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Day 4-8 Convective Outlook Issued on Aug 25, 2009
Updated: Tue Aug 25 08:30:05 UTC 2009
D4 | Fri, Aug 28, 2009 - Sat, Aug 29, 2009 |
D7 | Mon, Aug 31, 2009 - Tue, Sep 01, 2009 |
D5 | Sat, Aug 29, 2009 - Sun, Aug 30, 2009 |
D8 | Tue, Sep 01, 2009 - Wed, Sep 02, 2009 |
D6 | Sun, Aug 30, 2009 - Mon, Aug 31, 2009 |
(All days are valid from 12 UTC - 12 UTC) |
Note: A severe weather
area depicted in the Day 4-8 period indicates a 30% or higher probability
for severe thunderstorms within 25 miles of any point.
PREDICTABILITY TOO LOW means severe storms are possible.
However, no severe weather areas are included as the severe threat is
less than 30% due to expected limited coverage or uncertainty on the
timing and location of such an event.
POTENTIAL TOO LOW is used when the threat for organized areas
of severe storms appears highly unlikely during the entire period.
ZCZC SPCSWOD48 ALL
ACUS48 KWNS 250829
SPC AC 250829
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0329 AM CDT TUE AUG 25 2009
VALID 281200Z - 021200Z
...DISCUSSION...
LATEST MEDIUM RANGE MODEL GUIDANCE SUGGESTS TROUGHING MAY BECOME
MORE ESTABLISHED ACROSS THE ERN U.S. BY THIS WEEKEND...LEADING INTO
EARLY NEXT WEEK. IF THIS EVOLUTION OCCURS STRONGER FLOW WOULD ONCE
AGAIN DROP SOUTH ACROSS MUCH OF THE CONUS EAST OF THE ROCKIES
ENHANCING THE LIKELIHOOD FOR ORGANIZED THUNDERSTORMS. AT THIS TIME
THERE IS TOO MUCH UNCERTAINTY REGARDING BUOYANCY AND POTENTIAL
CONVECTIVE FEEDBACK PRIOR TO STRENGTHENING WIND FIELDS.
..DARROW.. 08/25/2009
CLICK TO GET WUUS48 PTSD48 PRODUCT
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