Severe Storm Outlook Narrative (AC)
Issued by NWS

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000
ACUS02 KWNS 200603
SWODY2
SPC AC 200602

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1202 AM CST SAT DEC 20 2014

VALID 211200Z - 221200Z

...NO SVR TSTM AREAS FORECAST...

...SUMMARY...
NUMEROUS SHOWERS AND POSSIBLY A FEW THUNDERSTORMS WILL OCCUR OVER
THE NORTHERN HALF OF FLORIDA INTO SOUTHERN GEORGIA SUNDAY INTO
SUNDAY NIGHT.

...SYNOPSIS...

AMPLIFIED SYNOPTIC PATTERN WILL PERSIST SUNDAY WITH A BROAD UPPER
TROUGH EVOLVING OVER THE CNTRL STATES AND GRADUALLY SHIFTING EWD
TOWARD THE OH AND TN VALLEYS. SRN STREAM SHORTWAVE TROUGH EMBEDDED
WITHIN THE BASE OF THIS FEATURE WILL MOVE THROUGH THE GULF COAST
STATES...WHILE A WARM FRONT MOVES INTO THE NRN GULF.

...CNTRL THROUGH NRN FL...

RICHER GULF MOISTURE WILL REMAIN OFFSHORE...BUT PARTIALLY MODIFIED
GULF AIR WITH DEWPOINTS IN THE 50S TO NEAR 60F WILL ADVECT NWD INTO
THE FL PENINSULA. MODEST MOISTURE RETURN AND WEAK MID-LEVEL LAPSE
RATES SHOULD LIMIT MUCAPE TO AOB 300 J/KG. APPROACH OF THE SHORTWAVE
TROUGH WILL PROMOTE A MODEST SWLY LLJ WITH INCREASING ISENTROPIC
ASCENT...ESPECIALLY NORTH OF THE FRONT FROM SRN PORTIONS OF THE GULF
COAST STATES INTO NRN FL SUNDAY NIGHT. NUMEROUS RAIN SHOWERS WILL
LIKELY DEVELOP IN THIS REGIME ALONG WITH THE POSSIBILITY OF A FEW
THUNDERSTORMS.

..DIAL.. 12/20/2014




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