SPC AC 231725
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1125 AM CST FRI JAN 23 2015
VALID 241200Z - 251200Z
...NO SVR TSTM AREAS FORECAST...
...SUMMARY...
ISOLATED THUNDERSTORMS WILL BE POSSIBLE SATURDAY MORNING ACROSS THE
FLORIDA PENINSULA...AS WELL AS ALONG THE NORTH CAROLINA OUTER BANKS
VICINITY.
...DISCUSSION...
THE LARGE-SCALE UPPER PATTERN ACROSS THE U.S. WILL FEATURE A WRN
RIDGE/ERN TROUGH CONFIGURATION THROUGH THE PERIOD...WITH LITTLE
OVERALL CHANGE ON THE LARGE SCALE. ON THE SMALLER SCALE...A STRONG
SHORT-WAVE TROUGH PROGGED TO BE CROSSING THE CENTRAL AND SRN
APPALACHIANS VICINITY AT THE START OF THE PERIOD WILL MOVE QUICKLY
INTO THE WRN ATLANTIC DURING THE DAY. MEANWHILE...SECONDARY
SHORT-WAVE TROUGHING INITIALLY OVER ALBERTA/SASKATCHEWAN IS FORECAST
TO DIG RAPIDLY SEWD INTO THE N CENTRAL U.S./UPPER MIDWEST -- THUS
HELPING TO MAINTAIN LONGWAVE TROUGHING OVER THE ERN HALF OF THE
COUNTRY IN THE WAKE OF THE INITIAL/DEPARTING FEATURE.
AT THE SURFACE...A DEEPENING CYCLONE IS PROGGED TO LIE OFF THE
MID-ATLANTIC COAST AT THE START OF THE PERIOD...WITH A TRAILING COLD
FRONT EXTENDING SSWWD ACROSS THE NC OUTER BANKS VICINITY AND INTO
CENTRAL FL. SHOWERS AND ISOLATED THUNDERSTORMS SHOULD BE ONGOING
NEAR/AHEAD OF THE FRONT...BUT SHOULD REMAIN WEAK/SUB-SEVERE UNTIL
MOVING OFF THE NC COAST DURING THE MORNING...AND THE FL ATLANTIC
COAST THROUGH MIDDAY. ELSEWHERE...WITH STABLE CONTINENTAL AIR
PREVAILING ACROSS THE U.S. IN THE WAKE OF THIS FRONT...THUNDERSTORMS
ARE NOT EXPECTED.
..GOSS.. 01/23/2015
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NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 0700Z
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