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Hazardous Weather Outlook


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
432 AM MDT SUN SEP 21 2008

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-221300-
BENNETT-BUTTE-CENTRAL BLACK HILLS-CUSTER CO PLAINS-FALL RIVER-HAAKON-
HARDING-HERMOSA FOOT HILLS-JACKSON-MELLETTE-NORTHEASTERN CROOK-
NORTHERN BLACK HILLS-NORTHERN CAMPBELL-NORTHERN FOOT HILLS-
NORTHERN MEADE CO PLAINS-PENNINGTON CO PLAINS-PERKINS-RAPID CITY-
SHANNON-SOUTHERN BLACK HILLS-SOUTHERN CAMPBELL-SOUTHERN FOOT HILLS-
SOUTHERN MEADE CO PLAINS-STURGIS/PIEDMONT FOOT HILLS-TODD-TRIPP-
WESTERN CROOK-WESTON-WYOMING BLACK HILLS-ZIEBACH-
432 AM MDT (532 AM CDT) SUN SEP 21 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND
NORTHEASTERN WYOMING.

.DAY ONE...TODAY AND TONIGHT

AN UPPER LEVEL DISTURBANCE WILL CROSS WESTERN SOUTH DAKOTA TODAY...
BRINGING SCATTERED THUNDERSTORMS. THERE IS A SLIGHT RISK OF SEVERE
THUNDERSTORMS OVER MUCH OF WESTERN SOUTH DAKOTA...WITH LARGE HAIL
AND DAMAGING WIND GUSTS.

A TIGHT PRESSURE GRADIENT WILL RESULT IN GUSTY SOUTH WINDS. SOUTH
WINDS OF 20 TO 35 MPH WITH HIGHER GUSTS CAN BE EXPECTED FROM SOUTH
CENTRAL SOUTH DAKOTA INTO NORTHWEST SOUTH DAKOTA.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A COLD FRONT WILL MOVE THROUGH WESTERN SOUTH DAKOTA MONDAY WITH
ADDITIONAL THUNDERSTORMS. THERE IS A SLIGHT RISK OF
SEVERE THUNDERSTORMS GENERALLY EAST OF A LINE FROM LEMMON TO
PINE RIDGE...WITH LARGE HAIL AND DAMAGING WIND GUSTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY.

$$




HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
405 AM MDT SUN SEP 21 2008

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-221200-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
405 AM MDT SUN SEP 21 2008 /505 AM CDT SUN SEP 21 2008/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWEST
NEBRASKA...NORTHWEST KANSAS AND EAST CENTRAL COLORADO.

.DAY ONE...TODAY AND TONIGHT

ISOLATED THUNDERSTORMS WILL BE POSSIBLE ACROSS THE ENTIRE AREA. A
FEW OF THESE STORMS COULD BECOME SEVERE WITH LARGE HAIL AND
DAMAGING WINDS BEING THE MAIN THREATS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THERE WILL BE A SLIGHT CHANCE OF THUNDERSTORMS FROM MONDAY NIGHT
INTO WEDNESDAY. AT THIS TIME...NONE OF THESE STORMS IS EXPECTED TO
BECOME SEVERE WITH OCCASIONAL CLOUD TO GROUND LIGHTNING BEING THE
MAIN THREAT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

$$

BULLER





HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
503 AM CDT SUN SEP 21 2008

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-221200-
AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA-
CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE-
DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON-
IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN-
LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN-
OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN-
SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON-
503 AM CDT SUN SEP 21 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS...
SHOWERS AND A FEW THUNDERSTORMS ARE EXPECTED TO MOVE
NORTHEASTWARD ACROSS THIS AREA TONIGHT...ALTHOUGH THE ACTIVITY
MAY NOT MAKE IT AS FAR EAST AS JACKSON MINNESOTA TO STORM LAKE
IOWA. CONDITIONS ARE NOT VERY UNSTABLE TONIGHT...THEREFORE SEVERE
STORMS ARE NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS ARE EXPECTED TO OCCUR ONCE AGAIN MONDAY NIGHT.
CONDITIONS ARE FAIRLY UNSTABLE ALONG AND WEST OF THE JAMES RIVER
VALLEY MONDAY EVENING...WHERE SOME STORMS MAY BECOME SEVERE. AS
THE STORMS TRACK EAST AND NORTHEAST OVERNIGHT MONDAY
NIGHT...STABILIZING CONDITIONS SHOULD MEAN THAT THE CHANCES FOR
SEVERE WEATHER ARE MINIMAL APPROACHING THE I 29 CORRIDOR AND
POINTS EASTWARD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

$$




HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE HASTINGS NE
430 AM CDT SUN SEP 21 2008

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
220930-
PHILLIPS-SMITH-JEWELL-ROOKS-OSBORNE-MITCHELL-VALLEY-GREELEY-NANCE-
SHERMAN-HOWARD-MERRICK-POLK-DAWSON-BUFFALO-HALL-HAMILTON-YORK-
GOSPER-PHELPS-KEARNEY-ADAMS-CLAY-FILLMORE-FURNAS-HARLAN-FRANKLIN-
WEBSTER-NUCKOLLS-THAYER-
430 AM CDT SUN SEP 21 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL NEBRASKA AND
PORTIONS OF NORTH CENTRAL KANSAS.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS TODAY. THERE IS A CHANCE
OF THUNDERSTORMS TONIGHT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

SUSTAINED WIND SPEEDS WILL BE NEAR 30 MPH FROM THE SOUTH ON MONDAY
AFTERNOON.

THUNDERSTORMS ARE POSSIBLE EARLY MONDAY MORNING...MAINLY ALONG AND
EAST OF HIGHWAY 281.

THUNDERSTORMS ARE POSSIBLE MONDAY NIGHT...MAINLY AFTER MIDNIGHT.

THUNDERSTORMS ARE POSSIBLE TUESDAY AND TUESDAY NIGHT.

THUNDERSTORMS ARE POSSIBLE WEDNESDAY SOUTH OF A LINE FROM STOCKTON
TO HEBRON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

&&

MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB PAGE:
   HTTP://WWW.WEATHER.GOV/HASTINGS  (ALL LOWERCASE)

$$

HEINLEIN








HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTH PLATTE NE
352 AM CDT SUN SEP 21 2008

NEZ004>010-022>029-035>038-056>059-069>071-094-220900-
SHERIDAN-EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-GARDEN-
GRANT-HOOKER-THOMAS-BLAINE-LOUP-GARFIELD-WHEELER-ARTHUR-MCPHERSON-
LOGAN-CUSTER-DEUEL-KEITH-PERKINS-LINCOLN-CHASE-HAYES-FRONTIER-
WESTERN CHERRY-
352 AM CDT SUN SEP 21 2008 /252 AM MDT SUN SEP 21 2008/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN AND
NORTH CENTRAL NEBRASKA.

.DAY ONE...TODAY AND TONIGHT.

AN ACTIVE SEVERE WEATHER DAY COULD DEVELOP WITH ISOLATED TO
PERHAPS SCATTERED SEVERE THUNDERSTORMS DEVELOPING ALONG AND WEST
OF HIGHWAY 83 LATE THIS AFTERNOON AND SPREADING EAST TOWARD
HIGHWAY 183 DURING THE EVENING HOURS.

SEVERE STORMS THIS AFTERNOON WILL BE CAPABLE OF LARGE HAIL...WIND
DAMAGE AND LOCAL STORM ENVIRONMENTS MAY BE SUFFICIENT FOR THE
DEVELOPMENT OF AN ISOLATED TORNADO. DURING THE EVENING HOURS AND
AFTER DARK...THE MAIN THREAT WILL BE LARGE HAIL AS THE STORM
SYSTEM SHIFTS ALONG AND EAST OF HIGHWAY 83 TO NEAR HIGHWAY 183.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

SCATTERED SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP AGAIN AS A
STALLED OUT COLD FRONT ACROSS NORTH CENTRAL NEBRASKA ACTS AS A
FOCUS FOR SCATTERED SEVERE THUNDERSTORMS CAPABLE OF LARGE HAIL AND
WIND DAMAGE DURING THE LATE AFTERNOON. THE AREA OF GREATEST
CONCERN IS ALONG AND NORTH OF INTERSTATE 80 AND MOISTURE WILL BE
SUFFICIENT FOR INTENSE RAINFALL RATES WITH STRONGEST STORMS IN
ADDITION TO THE THREAT OF SEVERE WEATHER.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED AFTER 3 PM CDT...2 PM MDT THIS
AFTERNOON.

&&

THIS PRODUCT IS NOW AVAILABLE...ALONG WITH OTHER WEATHER...
HYDROLOGICAL AND CLIMATOLOGICAL INFORMATION...AT
HTTP://WWW.WEATHER.GOV/NORTHPLATTE

$$

CDC





HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
502 PM CDT SAT SEP 20 2008

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-211215-
MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-
PAGE-KNOX-CEDAR-THURSTON-ANTELOPE-PIERCE-WAYNE-BOONE-MADISON-
STANTON-CUMING-BURT-PLATTE-COLFAX-DODGE-WASHINGTON-BUTLER-
SAUNDERS-DOUGLAS-SARPY-SEWARD-LANCASTER-CASS-OTOE-SALINE-
JEFFERSON-GAGE-JOHNSON-NEMAHA-PAWNEE-RICHARDSON-
502 PM CDT SAT SEP 20 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
IOWA...WEST CENTRAL IOWA...EAST CENTRAL NEBRASKA...NORTHEAST
NEBRASKA AND SOUTHEAST NEBRASKA.

.DAY ONE...TONIGHT AND SUNDAY

PATCHY DENSE FOG WILL BE POSSIBLE LATE TONIGHT AND EARLY SUNDAY
MORNING IN LOW LYING PORTIONS OF SOUTHEAST NEBRASKA AND SOUTHWEST
IOWA.

.DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH SATURDAY

SCATTERED THUNDERSTORMS WILL BE POSSIBLE ACROSS PARTS OF THE
OUTLOOK AREA FROM SUNDAY NIGHT THROUGH TUESDAY NIGHT. THE BEST
CHANCE FOR SEVERE STORMS WILL REMAIN TO THE WEST OF THE OUTLOOK AREA.

WINDY CONDITIONS ARE ANTICIPATED FOR MONDAY INTO MONDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT AND SUNDAY.

$$

GRIFFIS





HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER CO
1109 AM MDT SAT SEP 20 2008

COZ030>051-211200-
JACKSON COUNTY BELOW 9000 FEET-WEST JACKSON AND WEST GRAND
COUNTIES ABOVE 9000 FEET-GRAND AND SUMMIT COUNTIES BELOW 9000
FEET-SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-SOUTH AND SOUTHEAST
GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/GILPIN/CLEAR CREEK/
SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND
BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-JEFFERSON AND WEST
DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK
COUNTIES BELOW 9000 FEET-CENTRAL AND SOUTHEAST PARK COUNTY-LARIMER
COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-BOULDER AND JEFFERSON
COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-NORTH DOUGLAS
COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/
EAST BROOMFIELD COUNTY-ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES
ABOVE 6000 FEET-NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD
COUNTY-MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN
COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS
COUNTY-
1109 AM MDT SAT SEP 20 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL
COLORADO.

.DAY ONE...TODAY AND TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS WILL FORM OVER THE MOUNTAINS
AND HIGH VALLEYS OF NORTH CENTRAL COLORADO BY EARLY THIS AFTERNOON
AS AN UPPER LEVEL WEATHER DISTURBANCE MOVES IN FROM THE WEST. BY
LATE THIS AFTERNOON A FEW THUNDERSTORMS MAY FORM AS WELL IN THE
FOOTHILLS AND OVER PORTIONS OF THE I-25 URBAN CORRIDOR. THE STORMS
MAY PRODUCE BRIEF LIGHT TO MODERATE RAINFALL...OCCASIONAL LIGHTNING
AND GUSTY WINDS. AS THIS WEATHER SYSTEM MOVES CLOSER TO THE AREA
OVERNIGHT EXPECT SCATTERED RAIN AND SNOW SHOWERS IN THE MOUNTAINS
AND ISOLATED TO WIDELY SCATTERED RAIN SHOWERS ON THE PLAINS. ANY
PRECIPITATION SHOULD BE LIGHT BECAUSE TO A RELATIVELY DRY LOWER
ATMOSPHERE.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THIS UPPER LEVEL WEATHER DISTURBANCE WILL BRUSH NORTHEASTERN
COLORADO ON SUNDAY WITH SCATTERED SHOWERS AND THUNDERSTORMS
DECREASING FROM WEST TO EAST DURING THE DAY. THERE IS A SLIGHT
CHANCE FOR A SEVERE STORM OR TWO ACROSS THE FAR NORTHEAST PLAINS OF
COLORADO SUNDAY AFTERNOON...WITH THE POTENTIAL FOR STRONG WINDS AND
HAIL.

ANOTHER WEAK DISTURBANCE WILL MOVE ACROSS NORTHERN COLORADO LATE
MONDAY WITH ISOLATED THUNDERSTORMS...MAINLY OVER THE MOUNTAINS AND
FAR EASTERN PLAINS. DRIER AND WARMER CONDITIONS ARE EXPECTED FOR THE
REMAINDER OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

$$
BAKER/ENTREKIN



HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
953 AM MDT SAT SEP 20 2008

NEZ001>003-019>021-054-055-WYZ060-068-070-211600-
SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-
CHEYENNE-NIOBRARA-GOSHEN-PINE BLUFFS-
953 AM MDT SAT SEP 20 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA
PANHANDLE AND SOUTHEAST WYOMING.

.DAY ONE...TODAY AND TONIGHT

ISOLATED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE FROM LATE THIS
AFTERNOON INTO THE EVENING HOURS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE IS A CHANCE OF LATE DAY THUNDERSTORMS EAST OF THE LARAMIE
RANGE ON SUNDAY AND MONDAY...WITH A SLIGHT CHANCE OF LATE DAY
THUNDERSTORMS WEST OF THE LARAMIE RANGE. A FEW OF THE STORMS IN
THE NEBRASKA PANHANDLE COULD BE STRONG WITH LARGE HAIL BEING THE
MAIN THREAT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND
CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT...
HTTP://WEATHER.GOV/CHEYENNE

$$









Short Term Forecast


SHORT TERM FORECAST
NATIONAL WEATHER SERVICE NORTH PLATTE NE
532 AM CDT SUN SEP 21 2008

NEZ004-022>024-035-036-094-211130-
ARTHUR-GARDEN-GRANT-HOOKER-MCPHERSON-SHERIDAN-WESTERN CHERRY-
INCLUDING THE CITIES OF...ARTHUR...HYANNIS...MERRIMAN...MULLEN...
OSHKOSH...RUSHVILLE...TRYON
532 AM CDT (432 AM MDT) SUN SEP 21 2008

.NOW...
EARLY THIS MORNING ACROSS PARTS OF WESTERN NEBRASKA...ISOLATED
SHOWERS WILL DRIFT EAST AT 20 MPH. LESS THAN 1/4 INCH OF RAIN WILL
FALL AS THE SHOWERS MOVE THROUGH.

$$

CDC




U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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