DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 110834
SWOD48
SPC AC 110834

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0334 AM CDT WED APR 11 2007

VALID 141200Z - 191200Z

..AN ORGANIZED SVR TSTM THREAT WILL EXIST ON SAT-14 APR THROUGH
SUN-15 APR FROM THE CNTRL/ERN GULF COAST STATES EWD INTO THE SERN
PARTS OF THE COUNTRY...

..DISCUSSION...
STRONG UPPER LOW MOVING INTO THE CNTRL PORTION OF THE COUNTRY
MID-WEEK WILL WEAKEN INTO A POSITIVE-TILT WAVE LATE FRI-EARLY SAT
ACROSS THE GRTLKS...MIDWEST...TN VLY...WRN GULF COAST STATES.
BUT...A STRONG JET STREAK DIGGING ALONG THE BACKSIDE OF THE TROUGH
WILL DEVELOP EWD THROUGH THE DEEP S LATE SAT. THIS WILL ENERGIZE
THE TROUGH AND DEEPEN A SFC LOW THAT WILL TRACK FROM NEAR WCNTRL AL
TO OFF THE NC/VA COAST BY SUNDAY NIGHT.

A BAND OF TSTMS WILL LIKELY BE ONGOING FROM THE OH VLY SWD INTO THE
WRN GULF COAST STATES EARLY SAT. AHEAD OF THE STORMS...A WEDGE OF
MARITIME AIR WILL WORK NWD INTO SERN MS...AL AND PARTS OF GA SAT
AFTN. TSTMS MAY STRENGTHEN AS THE SECONDARY IMPULSE ROUNDING THE
TROUGH ARRIVES SAT NIGHT. THE STORMS WILL THEN SWEEP ESEWD THROUGH
GA INTO NRN/CNTRL FL BY SUNDAY AFTN. A SECONDARY THREAT FOR SEVERE
STORMS WILL EXIST ALONG THE COAST OF NC/SC SAT NIGHT/EARLY SUNDAY
BEFORE THE SFC LOW DEVELOPS OFF THE COAST BY SUNDAY NIGHT.

.RACY.. 04/11/2007

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@PO.UIUC.EDU with
"unsub wx-storm" in the body of your message. For more information write chris@lib.siu.edu.