Saturday, August 27, 2011

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 270518
SWODY1
SPC AC 270517

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1217 AM CDT SAT AUG 27 2011

VALID 271200Z - 281200Z

...THERE IS A SLGT RISK OF SVR TSTMS TODAY ACROSS A SMALL PORTION OF
NORTHEASTERN NORTH CAROLINA AND SOUTHEASTERN VIRGINIA COASTAL
AREAS...AND THE EXTREME SOUTHERN DELMARVA PENINSULA...

...SYNOPSIS...
CONSIDERABLE THUNDERSTORM ACTIVITY AGAIN APPEARS LIKELY TODAY ACROSS
PARTS OF SOUTHERN CALIFORNIA THROUGH MUCH OF THE CENTRAL AND
SOUTHERN INTERMOUNTAIN WEST AND ROCKIES...ASSOCIATED WITH THE
CONTINUING MOISTURE INFLUX FROM THE SUBTROPICAL EASTERN PACIFIC.
OTHERWISE...CONVECTIVE POTENTIAL ACROSS MUCH OF THE REST OF THE
NATION IS EXPECTED TO REMAIN AT A RELATIVE MINIMUM...AS HURRICANE
IRENE CONTINUES TO SLOWLY ACCELERATE NORTHWARD NEAR MID ATLANTIC
COASTAL AREAS.

...MID/NORTHERN MID ATLANTIC COAST STATES...
BASED ON THE CURRENT FORECAST TRACK OF THE CIRCULATION CENTER OF
IRENE...APPRECIABLE BOUNDARY LAYER AND LOWER/MID TROPOSPHERIC
DESTABILIZATION APPEARS UNLIKELY INLAND OF COASTAL AREAS...EXCEPT
PERHAPS THIS MORNING AND EARLY AFTERNOON ACROSS NORTHEASTERN NORTH
CAROLINA...PARTICULARLY THE OUTER BANKS...WHERE SLIGHT RISK SEVERE
PROBABILITIES ARE BEING MAINTAINED. AN ADDITIONAL TORNADO OR TWO IS
POSSIBLE ACROSS THIS AREA. OTHERWISE...THE RISK FOR TORNADOES
NORTHWARD INTO NORTHERN MID ATLANTIC COAST THROUGH THE REMAINDER OF
THE PERIOD APPEARS LOW...BUT PERHAPS NOT COMPLETELY NEGLIGIBLE.

..KERR/GARNER.. 08/27/2011

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