Thursday, April 15, 2010

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 150823
SWOD48
SPC AC 150822

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0322 AM CDT THU APR 15 2010

VALID 181200Z - 231200Z

...DISCUSSION...

LARGE SCALE PATTERN SHOULD REMAIN UNFAVORABLE FOR ORGANIZED SEVERE
THUNDERSTORMS...AT LEAST THROUGH EARLY PORTIONS OF NEXT WEEK. BY
MID WEEK BOTH THE GFS AND ECMWF SUGGEST A FAIRLY STRONG UPPER TROUGH
WILL PROGRESS ACROSS THE WRN U.S. TOWARD THE CNTRL/SRN PLAINS
STATES. THIS FEATURE...IF ACCURATELY PROJECTED...SHOULD FINALLY
BEGIN TO DRAW A FAIRLY MOIST AND POTENTIALLY MORE UNSTABLE AIRMASS
NWD ACROSS THE GOM INTO THE SRN PLAINS...THUS SETTING THE STAGE FOR
POSSIBLE SEVERE THUNDERSTORMS TOWARD THE END OF THE PERIOD.

..DARROW.. 04/15/2010

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