Severe Storm Outlook Narrative (AC)
Issued by NWS

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000
ACUS03 KWNS 190832
SWODY3
SPC AC 190830

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0230 AM CST FRI DEC 19 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 THROUGH THE OH AND TN VALLEYS.
A 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. THE MODEST MOISTURE RETURN AND WEAK MID-LEVEL
LAPSE RATES WILL LIMIT MUCAPE TO AOB 300 J/KG. THE APPROACH OF THE
SHORTWAVE TROUGH WILL PROMOTE AN INCREASE IN THE LLJ AND ISENTROPIC
ASCENT...ESPECIALLY NORTH OF THE FRONT FROM SRN PORTIONS OF THE GULF
COAST STATES INTO NRN FL. NUMEROUS RAIN SHOWERS WILL LIKELY DEVELOP
IN THIS REGIME ALONG WITH THE POSSIBILITY OF A FEW THUNDERSTORMS.

..DIAL.. 12/19/2014




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