SWODY2
SPC AC 290437
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1137 PM CDT FRI OCT 28 2011
VALID 301200Z - 311200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
A BROAD UPPER TROUGH WILL STRETCH FROM THE PLAINS STATES EWD TO THE
ATLANTIC COAST...WITH EMBEDDED STRONG SHORTWAVES WITHIN. THE LEAD
WAVE WILL MOVE QUICKLY NEWD FROM NEW ENGLAND INTO SERN
CANADA...WHILE ANOTHER WAVE DIGS SEWD INTO THE UPPER MS VALLEY WITH
70+ KT MID LEVEL JET NOSING INTO THE MID MO VALLEY.
THIS SECOND SHORTWAVE WILL INDUCE A WEAK SURFACE LOW...OVER WI AT
00Z...WITH COLD FRONT TRAILING SWWD INTO SRN MO. GIVEN PRESENCE OF
HIGH PRESSURE OVER THE SERN U.S...MOISTURE FOR INSTABILITY WILL BE
EXTREMELY LIMITED...AND MAY NOT EXIST AT ALL DESPITE STRONG LIFT AND
COOLING ALOFT. AS SUCH...ANY CONVECTION THAT DOES FORM ALONG THE
FRONT WILL NOT BE SEVERE.
ELSEWHERE...MOIST PROFILES WILL REMAIN OVER SRN FL...WHERE A WEAK
INSTABILITY GRADIENT WILL EXIST WITH ESELY WINDS OFF THE ATLANTIC.
HERE...LAPSE RATE PROFILES WILL BE QUITE POOR...BUT AN ISOLATED
LIGHTNING STRIKE CANNOT BE RULED OUT.
..JEWELL.. 10/29/2011
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