Tuesday, September 1, 2009

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 020103
SWODY1
SPC AC 020100

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0800 PM CDT TUE SEP 01 2009

VALID 020100Z - 021200Z

...NO SVR TSTM AREAS FORECAST...

...HIGH PLAINS...
ISOLATED TO SCATTERED TSTMS WILL CONTINUE ACROSS THE HIGH PLAINS
TONIGHT...MAINLY ACROSS THE WESTERN DAKOTAS AHEAD OF MIGRATORY UPPER
LOW...WITH OTHER STORMS CONTINUING ACROSS SOUTHEAST CO/EASTERN NM
MAINLY OVER THE NEXT SEVERAL HOURS. LATE TONIGHT...VIA AN INCREASING
SOUTHERLY LOW LEVEL JET/WARM ADVECTION REGIME...OTHER STORMS MAY
FORM ON THE EDGE OF THE EML ACROSS EASTERN KS AND SURROUNDING
PORTIONS OF OK/NEB. SOME MARGINALLY SEVERE HAIL CANNOT BE RULED OUT
WITHIN THESE AFOREMENTIONED REGIMES...BUT MODEST MOISTURE AND/OR A
DECOUPLING BOUNDARY LAYER IS SUGGESTIVE OF A LIMITED SEVERE RISK
OVERALL.

...SOUTHERN AZ...
HOT/DEEPLY MIXED AIRMASS MAY PROMOTE LOCALIZED GUSTY WINDS/BLOWING
DUSTS WITH WESTWARD DEVELOPING STORMS/OUTFLOW THIS EVENING...BUT A
QUASI-ORGANIZED SEVERE RISK SEEMS UNLIKELY.

..GUYER.. 09/02/2009

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