Sunday, December 27, 2015

SPC Dec 27, 2015 0830 UTC Day 3 Severe Thunderstorm Outlook

SPC 0830Z Day 3 Outlook
Day 3 Outlook Image
DAY 3 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0216 AM CST SUN DEC 27 2015

VALID 291200Z - 301200Z

...NO SVR TSTM AREAS FORECAST...

...SUMMARY...
SHOWERS AND EMBEDDED THUNDERSTORMS WILL AFFECT THE SOUTHEAST U.S.
AND VICINITY ON TUESDAY.

...SYNOPSIS...
A WEAKENING UPPER LOW INITIALLY INVOF THE GREAT LAKES IS PROGGED TO
SHIFT EWD ACROSS SERN CANADA AND EVENTUALLY PARTS OF NEW ENGLAND
THIS PERIOD.  MEANWHILE...RIDGING/ANTICYCLONIC FLOW IS FORECAST TO
PREVAIL ACROSS MOST OF THE ERN U.S. AHEAD OF A SECOND TROUGH 
EXPANDING EWD FROM THE ROCKIES AND INTO THE CENTRAL U.S. WITH TIME. 
AT THE SURFACE...A WEAKENING FRONT WILL CROSS THE SOUTHEAST THROUGH
THE PERIOD...WHILE A SECOND COLD SURGE PROGRESSES ACROSS THE PLAINS
IN CONJUNCTION WITH THE EXPANDING UPPER TROUGH.  THOUGH SHOWERS AND
EMBEDDED THUNDERSTORMS WILL OCCUR INVOF THE INITIAL FRONT AS IT
CROSSES THE SERN U.S. AND A LATER EXPANSION OF ELEVATED STORMS MAY
OCCUR ACROSS THE LOWER MS VALLEY/CENTRAL GULF COAST
REGION...APPRECIABLE SEVERE RISK APPEARS UNLIKELY.

..GOSS.. 12/27/2015

Read more

from SPC Forecast Products http://ift.tt/tmgE4J

No comments:

Post a Comment