Tuesday, March 23, 2010

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 240058
SWODY1
SPC AC 240057

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0757 PM CDT TUE MAR 23 2010

VALID 240100Z - 241200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
NRN EXTENT OF A CLOSED LOW THAT MOVED INLAND OVER NRN BAJA TODAY
WILL CONTINUE TO DE-AMPLIFY/SHEAR ENEWD FROM NRN SONORA...REACHING
FAR SW TX/SERN NM BY 12Z WEDNESDAY...WHILE AN UPPER TROUGH CONTINUES
TO AMPLIFY SEWD INTO THE CENTRAL-SRN ROCKIES TONIGHT.

...SERN AZ/SWRN NM...
FORCING FOR ASCENT ATTENDANT TO THE NRN SONORA IMPULSE AND HEIGHT
FALLS AHEAD OF THE CENTRAL/SRN ROCKIES TROUGH SHOULD MAINTAIN A
POTENTIAL FOR A FEW TSTMS YET INTO THE EARLY EVENING OVER SERN AZ
AND POSSIBLY SWRN NM.

...NRN OK AND SOUTH CENTRAL-SERN KS...
EARLY EVENING SURFACE ANALYSIS SHOWED A BOUNDARY EXTENDING FROM NRN
MO SWWD THROUGH KS TO NWRN OK AND INTO W AND SW TX. A LEAD
SHORTWAVE TROUGH...CURRENTLY LOCATED OVER NM PER WATER VAPOR
IMAGERY...WILL TRACK NEWD TOWARD NRN OK AND KS TONIGHT. INCREASING
LOW LEVEL WAA ALONG THE NOSE OF A STRENGTHENING SLY LLJ WITH THE
APPROACH OF THE NM TROUGH MAY SUPPORT A FEW TSTMS TO DEVELOP BETWEEN
06-12Z IN THE VICINITY OF THE SURFACE BOUNDARY IN NRN OK/SRN KS.
WEAK INSTABILITY IS EXPECTED TO PRECLUDE A SEVERE WEATHER THREAT.

...FOUR CORNERS REGION INTO MUCH OF CO...
LOSS OF DAYTIME HEATING...STABILIZING THE AIR MASS...SHOULD GREATLY
LIMIT THE LIKELIHOOD FOR ADDITIONAL LIGHTNING STRIKES ACROSS THIS
REGION THROUGH THE EVENING/OVERNIGHT...WITH ANY REMAINING GENERAL
TSTM COVERAGE EXPECTED TO BE LESS THAN 10 PERCENT.

..PETERS.. 03/24/2010

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