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Boulder wind info
Newly available! Wind roses for Boulder by month that show the prevailing wind directions and speeds. Provided by the National Resource Conservation Service.| Jan | Feb | Mar |
| Apr | May | Jun |
| Jul | Aug | Sep |
| Oct | Nov | Dec |
Boulder has some of the highest peak winds of any city in the
US. What follows is a list of significant Boulder area wind events
and then a table of high winds per
month.
Inconsistent reporting may mean that events are missing or that the
wind speeds are not accurate.
For more recent events and for more detailed info, see: Storm Data
and Unusual Weather Phenomena in the US from NCDC (monthly
publication)
Other links of interest
- Seasonal cycle of strong Boulder winds
- recent boulder winds events
- Links to wind/weather teaching modules
- What causes wave clouds
All speeds in MPH unless indicated. Gust is peak gust in Boulder (or very near) unless indicated Dates with gusts greater or equal to 90 MPH are in bold
Date(s) time of day gusts comments
in Boulder area
Sep 13-14 1966 unk 60+ snow,extensive tree damage
Jan 15-16 1967 night 125 NCAR (75 city) Chinook Dec 6-7 1967 8am-noon ~75
Dec 4 1968 midday >50 Dec 11-12 1968 10pm-11am 50-75
Jan 7-8 1969 evening 130 NCAR freq gusts >100 6-9pm
96 in Boulder
25 roofs blown off
heavy damage in Boulder area
Mar 19 1969 am 60-70 estimated 80-90
Apr 6-7 1969 unk 50-60 started fires
June 25 1969 10am-midpm 120 Table Mesa (70 Boulder)
Dec 20 1969 8:30-10:30p >100 NCAR: 60-70 Boulder and Rocky Flats
widespread but moderate damage
*Dec 21 1969 2130 115mph NCAR
Jan 24-25 1970 aft to 122 wind 60-70 light widespread damage
evening next day along front range
*Jan 26 1970 0706 109 NCAR
Feb 2 1970 3pm to 12am > 100 60 to 100
*Feb 3 1970 1530,2100 115,102 NCAR
*Feb 17 1970 0100 90 NCAR
Apr 14 1970 45-60 most of state
*Nov 21 1970 1450 94mph Boulder
*Nov 25 1970 0200 97mph NCAR
Nov 30 1970 day > 60 80-90 in Boulder area
*Nov 30 1970 2245 112 NCAR
*Dec 1 1970 1230 107 NCAR
*Dec 28 1970 2100 87 NCAR
*Dec 31 1970 1400 92 NCAR
Jan 23 1971 147 at NCAR ONLY. One wind gust. Mar 31 1971 pm 45-65 foothills
Mar 6 1972 7-11pm 69 69 at 7:30 and 64 at 11
Jan 5 1972 day 85
Jan 9-10 1972 aft to morn 86 blew many trees down
Jan 11-12 1972 morn-morn 97 much damage to cars, buildings,
powerlines, etc. in Boulder
Jan 22 1972 early aft 71 killed motorcyclist
Jan 24 1972 aft 92 at 1:00pm
Jan 28 1972 night 90 at 10:45
Nov 29-30 1972 50-60 foothills
Oct 24 1972 morning 75 recorded at NIST
Dec 12 1972 morning > 100 120 in area at 7:30am
Nov 12 1974 > 80 foothills area
Jan 5-6 1975 5-6pm 5th > 75 house and business damage
am 6th
Jan 18 1975 XXXXX > 80 much damage along front range
Jan 20 1975 XXXXX > 80 Boulder/Longmont/Denver
Ap 27-28 1975 XXXXX > 85 85 evening 27th Fort Collins, Greeley
Jun 25-26 1975 night unknown strong winds
Oct 8 1975 XXXXX > 100 gusts over 60 front range and one
over 100mph in Boulder
Nov 30-
Dec 2 1975 XXXXX > 100 Chinook all along foothills
gusts > 100
Jan 15 1976 XXXXX 70-80 Chinook Wyoming to Co springs
Feb 7 1976 XXXXX 90 gusts 46-49 NCAR and 70-90
Feb 17-18 1976 XXXXX 30-60
June 14 1976 daytime 82 ERL had 82 mph at 14:32 87MPH
at Rocky Flats 99 200' above
ground widespread damage
Nov 22 1977 morning 101 SW Boulder
Nov 26 1977 midday 109 winds blew out windows and
injured some. 90mph Rocky Flats
Nov 29 1977 morning ? 85mph Wondervu
Dec 2 1977 morning 103 60-103 in Boulder
Dec 3 1977 all day 90 74-90 gusts in Boulder
Dec 6 1977 afternoon 85
Dec 7 1977 all day 115 much damage to trailers and cars
Dec 22 1977 morning 93 Recorded at Table Mesa
Dec 23 1977 morning 90
Dec 24 1977 morning 70
Aug 14 1978 1500-1700 101 92-101
Nov 28 1978 all day 60-90 foothills
Dec 4 1978 afternoon ?150 50-150 Boulder area
(unclear where the 150 was)
Dec 23-24 1978 all day 90 90 in morning in Boulder
73 in afternoon
Feb 7 1979 aft,even 99 50-80 common along front range
Feb 8 1981 midday 50 Mar 29-31 1981 all day 60-70 foothill canyons
Jan 3-4 1982 all day 85 Table Mesa
Jan 14 1982 unknown 104 Chinook
Jan 16-17 1982 night-aft 137 at NCAR 2:30am; 20 gusts > ;120
40% of all Boulder buildings
damaged 136 Lyons
Jan 23 1982 unknown 60-80
Jan 24 1982 unknown 92 (mostly Fort Collins)
Mar 9 1982 mrn 60-90 Chinook
Mar 12 1982 unk 90
Mar 29-30 1982 all day 90
Apr 2 1982 all day 60-80 127 Rocky Flats
Apr 12 1982 unk 60 100 Jeffco airport
Aug 20 1982 eve 72 Thunderstorm SE Boulder
Dec 18-20 1982 midday 75-80 19th 62 evn of 20th
Jan 5-6 1983 unk 60-75
Jan 9-10 1983 unk 70-90
March 30 1983 aft 82 at NCAR 2:30
March 31 1983 aft 70
July 10 1983 evn 70 thunderstorm
Dec 5-8 1983 all day 102 on the 6th. Also on 8th, 97 SE
Boulder 60-70 in general
Jan 29 1984 0100-0400 71 Apr 11 1984 1430-1830 72 Rocky Flats; 70 in Boulder Chinook May 12 1984 evn 69 May 31 1984 1843 67 thunderstorm 7 miles E Boulder Nov 28 1984 mrn 60-80 Dec 22-23 1984 all day 108 Table Mesa 339 am and 1030
Mar 26 1985 1000-1700 76 widespread winds Apr 19 1985 all day 62 Longmont Jun 21 1985 0145 60 Longmont Oct 22 1985 0800-1300 89 eastern Boulder Dec 3 1985 mrn 78 Table Mesa at 816 Dec 14 1985 0710 61 Table Mesa Dec 25 1985 2051 68 Table Mesa (in snow)
Jan 2 1986 mrn 82 Table Mesa (60-80 in Boulder)
Jan 4 1986 1000 61 Longmont
Jan 18 1986 1605 60
Jan 20 1986 1100-2200 ? strong winds N Denver
Jan 28 1986 1020 67
Feb 15 1986 0000-1500 95 500 Boulder Chinook
Feb 16-17 1986 all day 89 Table Mesa 2333 Chinook
Feb 22 1986 1000-2000 60 Longmont
Feb 24 1986 0606 65
Mar 9 1986 0000-0800 60-70 N of col springs to Boulder
Apr 2 1986 1730-1900 70 thunderstorm winds
Apr 13 1996 0300-1300 79
May 4-5 1986 2000-1000 60-75 cold front
Sep 24 1986 all day 131 2200 Table Mesa; Davidson Mesa 118; IBM 92
trees down, power, out cars damages
Nov 15 1986 evn 81 Table Mesa; Chinook winds 1925
Jan 28-29 1987 all day 99 8 MST NCAR Rocky Flats 99 at night
Apr 19 1987 1530-1900 50-70 all along front range from cold
front
Dec 7 1987 mrn 93 NCAR at 8mst 76 in Boulder
Dec 10 1987 all day 60-75 most of NE Colorado
Dec 21 1987 mrn 97 NCAR at 1000; 78 Boulder,
85 Table Mesa
Jan 23 1988 mrn 105 Table Mesa at 534; 80-90 other
areas in Boulder broke many
windows and power out
Feb 9 1988 ??? 96 just east Boulder; 85 Rocky Flats
at 1345; > ;60 many places bet
1000 and 1800
Feb 15 1988 ? 75 615
Feb 21 1988 evn 90 just east Boulder
Feb 22 1988 mrn 83 0400
Mar 25 1988 midday 75 NW out of mountains at 1500
May 7 1988 mrn 110 Table Mesa 515; 12000 lost power
92 Rocky Flats; 91 Boulder
Sep 18 1988 evn 82 in Longmont 1800-2200
Oct 17 1988 210 62 east Boulder
Dec 12 1988 mrn 70 Table Mesa 722; 61 east Boulder
Dec 13 1988 unknown 66
Dec 22 1988 midnight-1000 95 N Boulder 80 Table Mesa 3-5
72 Boulder at 1800
Jan 2 1989 all day 60-70 along foothills
Jan 9 1989 4-11 am 115 Chinook; 115 Boulder airport, 103
S Table Mesa 92 SE Boulder
Jan 16 1989 midday-9 80 SW Boulder 2:28
100 Rollinsville
Mar 14 1989 morning 105 just east Boulder; 100 N city
Nov 6 1989 afternoon 54
Nov 7 1989 afternoon 60-70
Nov 8-9 1989 afternoon to am ? 95 Rollinsville
Nov 24 1989 afternoon 54 13:46
Jan 8 1990 all day 92 in mrn Table Mesa Jan 9 1990 0000-0900 50-70 Longmont and along front range Jan 10 1990 0000-0800 85 Chinook; very high temps Jan 29 1990 0000-2100 94 Table Mesa winds 50-90 Feb 8 1990 1000-1400 >50 Feb 10 1990 0000-0900 93 Roillinsville; mostly higher in foothills June 1 1990 1405 55 Thunderstorm winds June 1 1990 1805 53 unknown cause Oct 13 1990 1200-2000 96 NW Boulder 78 NCAR downslope winds Dec 2-3 1990 0800-0200 >50 downslope winds all along foothills Dec 14-15 1990 1030-1200 120 SW Boulder bora winds Dec 30 1990 0700-2100 91 Table Mesa downslope
Mar 3-4 1991 0000-2100 106 Shanahan ridge Mov 6 1991 0000 51 higher winds in foothills Nov 26 1991 0000-1200 45 in mrn; 51 Rocky Flat
Jan 24 1992 0000-2100 143 93 N Boulder (I think the 143 may be in knots) June 7 1992 1350 52 Thunderstorm winds Aug 3 1992 1725 50 Thunderstorm winds Dec 1 1992 0000-0600 71 Dec 9 1992 0500-2200 95 Table Mesa Dec 20 1992 1800-2400 69 Table Mesa
Jan 20-22 1993 0400-2000 55-65 75 at Rocky Flats Apr 18-19 1993 1000-1200 80 SW Boulder May 26 1993 1445-1500 90 Thunderstorm east Boulder June 7 1993 1300-2000 60-80 nonconvective winds June 26 1993 1615 80 Longmont thunderstorm Nov 20 1993 2215 72 Table Mesa Dec 5 1993 0200-1130 68 Table Mesa Dec 9 1993 0635 73 Boulder
Jul 2 1994 1810 57 Thunderstorm winds Boulder Sep 12 1994 2115 58 Microburst winds Boulder Oct 5 1994 1544 52 Thunderstorm winds Lafayette Oct 6 1994 0500-0600 68 High winds above 9500 Nov 17 1994 1050 57 High Winds Nov 28 1994 0630 63 High Winds Boulder Nov 29 1994 1500-1800 80 High Winds northern foothills Dec 11 1994 1130-1500 58kn High Winds Boulder Dec 19 1994 0130-2100 80kn Rocky Flats ; strong winds along front range
Aug 6 1995 1645-1700 50 Microburst Broomfield
Nov 9 1995 0400-1300 50-57k Downslope winds Boulder area
Nov 11 1995 0400-1400 84mph Downslope winds Boulder region
Nov 11-12 1995 2100-0630 124 at NCAR; other reports 90k table Mesa Golden gate canyon
86kn, Rocky Flats 74k
Jan 3 1996 0700 2100 90kts Boulder airport 85 s boulder 82 ncar
chinook winds Front Range Foothills
Jan 27-28 1996 2100-1730 75 kts NCAR part of pacific storm system
Feb 19 1996 0300-0600 70-75 mph Table Mesa
Feb 23 1996 0900-1300 61 kts Table Mesa
Apr 19 1996 0500-1300 65 kts Jeffco 85kts Table Mesa front range foothills
Apr 24,25 1996 1600m both 78 kts Table Mesa
Jun 5 1996 1801 60 mph dry microburs
Jun 20 1996 2145-2155 61 kts thunderstorm
Oct 29 1996 0430-1600 87 mph strong jet and A low in NE Plains: very strong
upper table mesa 101mph jeffco
Dec 2 1996 0500-0730 winds front range foothills: winds unclear in Boulder
Dec 4,5 1996 2215-1030 75 mph westerly flow: Shanahan ridge strong all over area
Dec 14 1996 0345-1215 70 mph Table Mesa
Dec 15,16 1996 2100-0600 70,75 mph Table Mesa
(added to: 12/11/2003) Jun 07 1997 1200-1700 F1 Tornado Baseline resevoir Dec 27 1997 0900-0200 70mph NCAR winds and snow
(added to: 12/10/2003) Feb 25 1998 0340-1530 60mph S Boulder (bora) Dec 30 1998 0130-1000 88mph Rocky Flats ; Boulder power outages
(added to: 12/09/2003)
Jan 10 1999 2230-0800 81mph NCAR 72mph Rocky Flats; large foothills area
Jan 14 1999 0900-1700 74mph Boulder ; foothill region
Jan 18 1999 0000-1300 72 Rocky Flats, 70 NCAR; downslope winds
Jan 26 1999 1500-2300 82mph Boulder 79 Rocky Flats 72 NCAR;
Feb 02 1999 1848-1015 103mph Rocky Flats, 97 Boulder, 93 NCAR; extensive damage; chinook windstorm
Feb 07 1999 0030-1200 90mph NCAR chinook winds
Feb 17 1999 2125-0030 90mph CU campus; 79mph NCAR: bora winds
Feb 22 1999 0515-1530 80mph NCAR 75 Rocky Flates; bora
Feb 22 1999 1815-0310 82 Rockly Flats; 80 NCAR; 75 CU campus localized chinook
Jun 06 1999 0510-0600 87mph CU campus
Nov 18 1999 0545-1500 81mph NCAR: winds over a large region
Nov 25 1999 0300-0950 77mph NCAR chinook winds
1999 2230-0935 72mph NCAR chinook winds redeveloped
Dec 15 1999 0200-1500 77mph NCAR: strong upper level jet
Dec 16 1999 0100-0830 83mph NCAR
Dec 18 1999 1145-1400 72mph NCAR
(added to: 12/08/2003) Jan 3 2000 2300-0800 81mph NCAR Feb 25 2000 0500-1630 84mph Rocky Flats Environmental Test Facility Mar 5 2000 2000-0300 88mph NCAR, 82 Boulder Mar 7 2000 2300-0930 92mph South Boulder 100 NWTC, 101 Rocky Flats envir test facility; some damage Apr 5 2000 1845 83mph NCAR Apr 18 2000 1700 71mph NCAR May 17 2000 1300-1900 88mph NWTC, 84 Boulder, 80 NCAR; winds along with intense surface low June 19 2000 05:53 PM 58kts Dry Microburst Broomfield 68mph NWTC August 1 2000 08:50 PM 60kts Tstm Wind Boulder Sep 29 2000 04:51 PM 60kts Tstm Wind Boulder Dec 15 2000 0900 1000 72mph NCAR Dec 16 2000 0454-2300 72mph NCAR
(updated 12/11/03) Feb 04 2001 2300-0130 75moh CU campus Jun 13 2001 0100-0200 76mph NCAR 72mph southern hills middle school Oct 31 2001 1558-2200 74mph NCAR
(updated 12/15/03) Jan 12 2002 1820-2155 82mph Hi winds Boulderl at NCAR Jan 19 2002 0100-0455 74mph NCAR Feb 8 2002 1745-2230 75mph NCAR high winds
(added to june 12/10/2003) NCAR mesa labs wind measurement not operational Jan 19 2003 0600 75mph Natl Wind Tech Center Jan 30 2003 0100-1600 75mph Boulder : covered large region Feb 09 2003 1800-1133 73mph Natl Wind tech center Mar 05 2003 2325-1205 85mph US cam; 70mph Natl Wind Tech Center
| Year | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 00 | 01 | 02 | A | B |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 2 | 2 | 1 | 8 | 4 | 1 | 7 | 4 | 1 | 1 | 2 | 1 | 3 | 4 | 1 | 3 | 45 | 17 | ||||||||||||||||||
| Feb | 1 | 1 | 1 | 3 | 4 | 1 | 1 | 12 | 7 | |||||||||||||||||||||||||||
| Mar | 1 | 3 | 4 | 2 | 1 | 1 | 1 | 2 | 15 | 8 | ||||||||||||||||||||||||||
| Apr | 2 | 1 | 1 | 2 | 1 | 2 | 3 | 12 | 8 | |||||||||||||||||||||||||||
| May | 2 | 1 | 1 | 4 | 3 | |||||||||||||||||||||||||||||||
| Jun | 1 | 1 | 1 | 2 | 2 | |||||||||||||||||||||||||||||||
| Jul | 1 | 1 | 1 | |||||||||||||||||||||||||||||||||
| Aug | 1 | 1 | 2 | 2 | ||||||||||||||||||||||||||||||||
| Sep | 1 | 1 | 2 | 2 | ||||||||||||||||||||||||||||||||
| Oct | 1 | 1 | 1 | 1 | 1 | 5 | 5 | |||||||||||||||||||||||||||||
| Nov | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 13 | 10 | ||||||||||||||||||||||||
| Dec | 1 | 1 | 2 | 7 | 3 | 3 | 4 | 2 | 1 | 3 | 2 | 3 | 2 | 1 | 1 | 5 | 41 | 18 | ||||||||||||||||||
| Total | 5 | 3 | 10 | 1 | 10 | 3 | 9 | 5 | 1 | 3 | 16 | 11 | 5 | 3 | 11 | 6 | 9 | 5 | 9 | 2 | 3 | 6 | 2 | 3 | 13 | 1 | 1 | 16 | 9 | 3 | 3 | 175 | 72 | |||
| Year | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 00 | 01 | 02 | A | B |
B: Number of years with at least one day >70mph documented in month
[Pages are for curiosity only; there are no guarantees that the data is correct}
Boulder wind info
Newly available! Wind roses for Boulder by month that show the prevailing wind directions and speeds. Provided by the National Resource Conservation Service.| Jan | Feb | Mar |
| Apr | May | Jun |
| Jul | Aug | Sep |
| Oct | Nov | Dec |
Boulder has some of the highest peak winds of any city in the
US. What follows is a list of significant Boulder area wind events
and then a table of high winds per
month.
Inconsistent reporting may mean that events are missing or that the
wind speeds are not accurate.
For more recent events and for more detailed info, see: Storm Data
and Unusual Weather Phenomena in the US from NCDC (monthly
publication)
Other links of interest
- Seasonal cycle of strong Boulder winds
- recent boulder winds events
- Links to wind/weather teaching modules
- What causes wave clouds
All speeds in MPH unless indicated. Gust is peak gust in Boulder (or very near) unless indicated Dates with gusts greater or equal to 90 MPH are in bold
Date(s) time of day gusts comments
in Boulder area
Sep 13-14 1966 unk 60+ snow,extensive tree damage
Jan 15-16 1967 night 125 NCAR (75 city) Chinook Dec 6-7 1967 8am-noon ~75
Dec 4 1968 midday >50 Dec 11-12 1968 10pm-11am 50-75
Jan 7-8 1969 evening 130 NCAR freq gusts >100 6-9pm
96 in Boulder
25 roofs blown off
heavy damage in Boulder area
Mar 19 1969 am 60-70 estimated 80-90
Apr 6-7 1969 unk 50-60 started fires
June 25 1969 10am-midpm 120 Table Mesa (70 Boulder)
Dec 20 1969 8:30-10:30p >100 NCAR: 60-70 Boulder and Rocky Flats
widespread but moderate damage
*Dec 21 1969 2130 115mph NCAR
Jan 24-25 1970 aft to 122 wind 60-70 light widespread damage
evening next day along front range
*Jan 26 1970 0706 109 NCAR
Feb 2 1970 3pm to 12am > 100 60 to 100
*Feb 3 1970 1530,2100 115,102 NCAR
*Feb 17 1970 0100 90 NCAR
Apr 14 1970 45-60 most of state
*Nov 21 1970 1450 94mph Boulder
*Nov 25 1970 0200 97mph NCAR
Nov 30 1970 day > 60 80-90 in Boulder area
*Nov 30 1970 2245 112 NCAR
*Dec 1 1970 1230 107 NCAR
*Dec 28 1970 2100 87 NCAR
*Dec 31 1970 1400 92 NCAR
Jan 23 1971 147 at NCAR ONLY. One wind gust. Mar 31 1971 pm 45-65 foothills
Mar 6 1972 7-11pm 69 69 at 7:30 and 64 at 11
Jan 5 1972 day 85
Jan 9-10 1972 aft to morn 86 blew many trees down
Jan 11-12 1972 morn-morn 97 much damage to cars, buildings,
powerlines, etc. in Boulder
Jan 22 1972 early aft 71 killed motorcyclist
Jan 24 1972 aft 92 at 1:00pm
Jan 28 1972 night 90 at 10:45
Nov 29-30 1972 50-60 foothills
Oct 24 1972 morning 75 recorded at NIST
Dec 12 1972 morning > 100 120 in area at 7:30am
Nov 12 1974 > 80 foothills area
Jan 5-6 1975 5-6pm 5th > 75 house and business damage
am 6th
Jan 18 1975 XXXXX > 80 much damage along front range
Jan 20 1975 XXXXX > 80 Boulder/Longmont/Denver
Ap 27-28 1975 XXXXX > 85 85 evening 27th Fort Collins, Greeley
Jun 25-26 1975 night unknown strong winds
Oct 8 1975 XXXXX > 100 gusts over 60 front range and one
over 100mph in Boulder
Nov 30-
Dec 2 1975 XXXXX > 100 Chinook all along foothills
gusts > 100
Jan 15 1976 XXXXX 70-80 Chinook Wyoming to Co springs
Feb 7 1976 XXXXX 90 gusts 46-49 NCAR and 70-90
Feb 17-18 1976 XXXXX 30-60
June 14 1976 daytime 82 ERL had 82 mph at 14:32 87MPH
at Rocky Flats 99 200' above
ground widespread damage
Nov 22 1977 morning 101 SW Boulder
Nov 26 1977 midday 109 winds blew out windows and
injured some. 90mph Rocky Flats
Nov 29 1977 morning ? 85mph Wondervu
Dec 2 1977 morning 103 60-103 in Boulder
Dec 3 1977 all day 90 74-90 gusts in Boulder
Dec 6 1977 afternoon 85
Dec 7 1977 all day 115 much damage to trailers and cars
Dec 22 1977 morning 93 Recorded at Table Mesa
Dec 23 1977 morning 90
Dec 24 1977 morning 70
Aug 14 1978 1500-1700 101 92-101
Nov 28 1978 all day 60-90 foothills
Dec 4 1978 afternoon ?150 50-150 Boulder area
(unclear where the 150 was)
Dec 23-24 1978 all day 90 90 in morning in Boulder
73 in afternoon
Feb 7 1979 aft,even 99 50-80 common along front range
Feb 8 1981 midday 50 Mar 29-31 1981 all day 60-70 foothill canyons
Jan 3-4 1982 all day 85 Table Mesa
Jan 14 1982 unknown 104 Chinook
Jan 16-17 1982 night-aft 137 at NCAR 2:30am; 20 gusts > ;120
40% of all Boulder buildings
damaged 136 Lyons
Jan 23 1982 unknown 60-80
Jan 24 1982 unknown 92 (mostly Fort Collins)
Mar 9 1982 mrn 60-90 Chinook
Mar 12 1982 unk 90
Mar 29-30 1982 all day 90
Apr 2 1982 all day 60-80 127 Rocky Flats
Apr 12 1982 unk 60 100 Jeffco airport
Aug 20 1982 eve 72 Thunderstorm SE Boulder
Dec 18-20 1982 midday 75-80 19th 62 evn of 20th
Jan 5-6 1983 unk 60-75
Jan 9-10 1983 unk 70-90
March 30 1983 aft 82 at NCAR 2:30
March 31 1983 aft 70
July 10 1983 evn 70 thunderstorm
Dec 5-8 1983 all day 102 on the 6th. Also on 8th, 97 SE
Boulder 60-70 in general
Jan 29 1984 0100-0400 71 Apr 11 1984 1430-1830 72 Rocky Flats; 70 in Boulder Chinook May 12 1984 evn 69 May 31 1984 1843 67 thunderstorm 7 miles E Boulder Nov 28 1984 mrn 60-80 Dec 22-23 1984 all day 108 Table Mesa 339 am and 1030
Mar 26 1985 1000-1700 76 widespread winds Apr 19 1985 all day 62 Longmont Jun 21 1985 0145 60 Longmont Oct 22 1985 0800-1300 89 eastern Boulder Dec 3 1985 mrn 78 Table Mesa at 816 Dec 14 1985 0710 61 Table Mesa Dec 25 1985 2051 68 Table Mesa (in snow)
Jan 2 1986 mrn 82 Table Mesa (60-80 in Boulder)
Jan 4 1986 1000 61 Longmont
Jan 18 1986 1605 60
Jan 20 1986 1100-2200 ? strong winds N Denver
Jan 28 1986 1020 67
Feb 15 1986 0000-1500 95 500 Boulder Chinook
Feb 16-17 1986 all day 89 Table Mesa 2333 Chinook
Feb 22 1986 1000-2000 60 Longmont
Feb 24 1986 0606 65
Mar 9 1986 0000-0800 60-70 N of col springs to Boulder
Apr 2 1986 1730-1900 70 thunderstorm winds
Apr 13 1996 0300-1300 79
May 4-5 1986 2000-1000 60-75 cold front
Sep 24 1986 all day 131 2200 Table Mesa; Davidson Mesa 118; IBM 92
trees down, power, out cars damages
Nov 15 1986 evn 81 Table Mesa; Chinook winds 1925
Jan 28-29 1987 all day 99 8 MST NCAR Rocky Flats 99 at night
Apr 19 1987 1530-1900 50-70 all along front range from cold
front
Dec 7 1987 mrn 93 NCAR at 8mst 76 in Boulder
Dec 10 1987 all day 60-75 most of NE Colorado
Dec 21 1987 mrn 97 NCAR at 1000; 78 Boulder,
85 Table Mesa
Jan 23 1988 mrn 105 Table Mesa at 534; 80-90 other
areas in Boulder broke many
windows and power out
Feb 9 1988 ??? 96 just east Boulder; 85 Rocky Flats
at 1345; > ;60 many places bet
1000 and 1800
Feb 15 1988 ? 75 615
Feb 21 1988 evn 90 just east Boulder
Feb 22 1988 mrn 83 0400
Mar 25 1988 midday 75 NW out of mountains at 1500
May 7 1988 mrn 110 Table Mesa 515; 12000 lost power
92 Rocky Flats; 91 Boulder
Sep 18 1988 evn 82 in Longmont 1800-2200
Oct 17 1988 210 62 east Boulder
Dec 12 1988 mrn 70 Table Mesa 722; 61 east Boulder
Dec 13 1988 unknown 66
Dec 22 1988 midnight-1000 95 N Boulder 80 Table Mesa 3-5
72 Boulder at 1800
Jan 2 1989 all day 60-70 along foothills
Jan 9 1989 4-11 am 115 Chinook; 115 Boulder airport, 103
S Table Mesa 92 SE Boulder
Jan 16 1989 midday-9 80 SW Boulder 2:28
100 Rollinsville
Mar 14 1989 morning 105 just east Boulder; 100 N city
Nov 6 1989 afternoon 54
Nov 7 1989 afternoon 60-70
Nov 8-9 1989 afternoon to am ? 95 Rollinsville
Nov 24 1989 afternoon 54 13:46
Jan 8 1990 all day 92 in mrn Table Mesa Jan 9 1990 0000-0900 50-70 Longmont and along front range Jan 10 1990 0000-0800 85 Chinook; very high temps Jan 29 1990 0000-2100 94 Table Mesa winds 50-90 Feb 8 1990 1000-1400 >50 Feb 10 1990 0000-0900 93 Roillinsville; mostly higher in foothills June 1 1990 1405 55 Thunderstorm winds June 1 1990 1805 53 unknown cause Oct 13 1990 1200-2000 96 NW Boulder 78 NCAR downslope winds Dec 2-3 1990 0800-0200 >50 downslope winds all along foothills Dec 14-15 1990 1030-1200 120 SW Boulder bora winds Dec 30 1990 0700-2100 91 Table Mesa downslope
Mar 3-4 1991 0000-2100 106 Shanahan ridge Mov 6 1991 0000 51 higher winds in foothills Nov 26 1991 0000-1200 45 in mrn; 51 Rocky Flat
Jan 24 1992 0000-2100 143 93 N Boulder (I think the 143 may be in knots) June 7 1992 1350 52 Thunderstorm winds Aug 3 1992 1725 50 Thunderstorm winds Dec 1 1992 0000-0600 71 Dec 9 1992 0500-2200 95 Table Mesa Dec 20 1992 1800-2400 69 Table Mesa
Jan 20-22 1993 0400-2000 55-65 75 at Rocky Flats Apr 18-19 1993 1000-1200 80 SW Boulder May 26 1993 1445-1500 90 Thunderstorm east Boulder June 7 1993 1300-2000 60-80 nonconvective winds June 26 1993 1615 80 Longmont thunderstorm Nov 20 1993 2215 72 Table Mesa Dec 5 1993 0200-1130 68 Table Mesa Dec 9 1993 0635 73 Boulder
Jul 2 1994 1810 57 Thunderstorm winds Boulder Sep 12 1994 2115 58 Microburst winds Boulder Oct 5 1994 1544 52 Thunderstorm winds Lafayette Oct 6 1994 0500-0600 68 High winds above 9500 Nov 17 1994 1050 57 High Winds Nov 28 1994 0630 63 High Winds Boulder Nov 29 1994 1500-1800 80 High Winds northern foothills Dec 11 1994 1130-1500 58kn High Winds Boulder Dec 19 1994 0130-2100 80kn Rocky Flats ; strong winds along front range
Aug 6 1995 1645-1700 50 Microburst Broomfield
Nov 9 1995 0400-1300 50-57k Downslope winds Boulder area
Nov 11 1995 0400-1400 84mph Downslope winds Boulder region
Nov 11-12 1995 2100-0630 124 at NCAR; other reports 90k table Mesa Golden gate canyon
86kn, Rocky Flats 74k
Jan 3 1996 0700 2100 90kts Boulder airport 85 s boulder 82 ncar
chinook winds Front Range Foothills
Jan 27-28 1996 2100-1730 75 kts NCAR part of pacific storm system
Feb 19 1996 0300-0600 70-75 mph Table Mesa
Feb 23 1996 0900-1300 61 kts Table Mesa
Apr 19 1996 0500-1300 65 kts Jeffco 85kts Table Mesa front range foothills
Apr 24,25 1996 1600m both 78 kts Table Mesa
Jun 5 1996 1801 60 mph dry microburs
Jun 20 1996 2145-2155 61 kts thunderstorm
Oct 29 1996 0430-1600 87 mph strong jet and A low in NE Plains: very strong
upper table mesa 101mph jeffco
Dec 2 1996 0500-0730 winds front range foothills: winds unclear in Boulder
Dec 4,5 1996 2215-1030 75 mph westerly flow: Shanahan ridge strong all over area
Dec 14 1996 0345-1215 70 mph Table Mesa
Dec 15,16 1996 2100-0600 70,75 mph Table Mesa
(added to: 12/11/2003) Jun 07 1997 1200-1700 F1 Tornado Baseline resevoir Dec 27 1997 0900-0200 70mph NCAR winds and snow
(added to: 12/10/2003) Feb 25 1998 0340-1530 60mph S Boulder (bora) Dec 30 1998 0130-1000 88mph Rocky Flats ; Boulder power outages
(added to: 12/09/2003)
Jan 10 1999 2230-0800 81mph NCAR 72mph Rocky Flats; large foothills area
Jan 14 1999 0900-1700 74mph Boulder ; foothill region
Jan 18 1999 0000-1300 72 Rocky Flats, 70 NCAR; downslope winds
Jan 26 1999 1500-2300 82mph Boulder 79 Rocky Flats 72 NCAR;
Feb 02 1999 1848-1015 103mph Rocky Flats, 97 Boulder, 93 NCAR; extensive damage; chinook windstorm
Feb 07 1999 0030-1200 90mph NCAR chinook winds
Feb 17 1999 2125-0030 90mph CU campus; 79mph NCAR: bora winds
Feb 22 1999 0515-1530 80mph NCAR 75 Rocky Flates; bora
Feb 22 1999 1815-0310 82 Rockly Flats; 80 NCAR; 75 CU campus localized chinook
Jun 06 1999 0510-0600 87mph CU campus
Nov 18 1999 0545-1500 81mph NCAR: winds over a large region
Nov 25 1999 0300-0950 77mph NCAR chinook winds
1999 2230-0935 72mph NCAR chinook winds redeveloped
Dec 15 1999 0200-1500 77mph NCAR: strong upper level jet
Dec 16 1999 0100-0830 83mph NCAR
Dec 18 1999 1145-1400 72mph NCAR
(added to: 12/08/2003) Jan 3 2000 2300-0800 81mph NCAR Feb 25 2000 0500-1630 84mph Rocky Flats Environmental Test Facility Mar 5 2000 2000-0300 88mph NCAR, 82 Boulder Mar 7 2000 2300-0930 92mph South Boulder 100 NWTC, 101 Rocky Flats envir test facility; some damage Apr 5 2000 1845 83mph NCAR Apr 18 2000 1700 71mph NCAR May 17 2000 1300-1900 88mph NWTC, 84 Boulder, 80 NCAR; winds along with intense surface low June 19 2000 05:53 PM 58kts Dry Microburst Broomfield 68mph NWTC August 1 2000 08:50 PM 60kts Tstm Wind Boulder Sep 29 2000 04:51 PM 60kts Tstm Wind Boulder Dec 15 2000 0900 1000 72mph NCAR Dec 16 2000 0454-2300 72mph NCAR
(updated 12/11/03) Feb 04 2001 2300-0130 75moh CU campus Jun 13 2001 0100-0200 76mph NCAR 72mph southern hills middle school Oct 31 2001 1558-2200 74mph NCAR
(updated 12/15/03) Jan 12 2002 1820-2155 82mph Hi winds Boulderl at NCAR Jan 19 2002 0100-0455 74mph NCAR Feb 8 2002 1745-2230 75mph NCAR high winds
(added to june 12/10/2003) NCAR mesa labs wind measurement not operational Jan 19 2003 0600 75mph Natl Wind Tech Center Jan 30 2003 0100-1600 75mph Boulder : covered large region Feb 09 2003 1800-1133 73mph Natl Wind tech center Mar 05 2003 2325-1205 85mph US cam; 70mph Natl Wind Tech Center
| Year | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 00 | 01 | 02 | A | B |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 2 | 2 | 1 | 8 | 4 | 1 | 7 | 4 | 1 | 1 | 2 | 1 | 3 | 4 | 1 | 3 | 45 | 17 | ||||||||||||||||||
| Feb | 1 | 1 | 1 | 3 | 4 | 1 | 1 | 12 | 7 | |||||||||||||||||||||||||||
| Mar | 1 | 3 | 4 | 2 | 1 | 1 | 1 | 2 | 15 | 8 | ||||||||||||||||||||||||||
| Apr | 2 | 1 | 1 | 2 | 1 | 2 | 3 | 12 | 8 | |||||||||||||||||||||||||||
| May | 2 | 1 | 1 | 4 | 3 | |||||||||||||||||||||||||||||||
| Jun | 1 | 1 | 1 | 2 | 2 | |||||||||||||||||||||||||||||||
| Jul | 1 | 1 | 1 | |||||||||||||||||||||||||||||||||
| Aug | 1 | 1 | 2 | 2 | ||||||||||||||||||||||||||||||||
| Sep | 1 | 1 | 2 | 2 | ||||||||||||||||||||||||||||||||
| Oct | 1 | 1 | 1 | 1 | 1 | 5 | 5 | |||||||||||||||||||||||||||||
| Nov | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 13 | 10 | ||||||||||||||||||||||||
| Dec | 1 | 1 | 2 | 7 | 3 | 3 | 4 | 2 | 1 | 3 | 2 | 3 | 2 | 1 | 1 | 5 | 41 | 18 | ||||||||||||||||||
| Total | 5 | 3 | 10 | 1 | 10 | 3 | 9 | 5 | 1 | 3 | 16 | 11 | 5 | 3 | 11 | 6 | 9 | 5 | 9 | 2 | 3 | 6 | 2 | 3 | 13 | 1 | 1 | 16 | 9 | 3 | 3 | 175 | 72 | |||
| Year | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 00 | 01 | 02 | A | B |
B: Number of years with at least one day >70mph documented in month
[Pages are for curiosity only; there are no guarantees that the data is correct}