Wednesday, November 25, 2009

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 251953
SWODY1
SPC AC 251952

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0152 PM CST WED NOV 25 2009

VALID 252000Z - 261200Z

...NO SVR TSTM AREAS FORECAST...

THE ONLY CHANGE TO THE 20Z OUTLOOK IS TO MOVE THE THUNDER LINE
SLIGHTLY SEWD ACROSS CNTRL FL TO ACCOUNT FOR THE MOVEMENT OF THE
ONGOING CONVECTION.

..BROYLES.. 11/25/2009

.PREV DISCUSSION... /ISSUED 1016 AM CST WED NOV 25 2009/

STRONG S/WV TROUGH DROPPING SEWD UPR MS VALLEY DEVELOPS A COLD UPPER
LOW OVER OH VALLEY BY 12Z THU. THE WEAK SRN BRANCH IMPULSE THAT
MOVED EWD ACROSS GULF OF MEXICO AND WHICH SUPPORTED THE STRONG
OVERNIGHT CONVECTION SRN FL WILL TRACK INTO ATLANTIC TO E OF FL THIS
AFTERNOON WITH RESULTANT LESSENING OF ANY STRONG CONVECTIVE THREAT
FL PENINSULA.


HAVE DROPPED PROBABILITIES FOR ANY SEVERE OVER SRN FL AS AIRMASS
FROM EARLIER CONVECTION HAS LOST MUCH OF INSTABILITY.

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