SWOD48
SPC AC 040934
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0334 AM CST THU FEB 04 2010
VALID 071200Z - 121200Z
...DISCUSSION...
EARLY NEXT WEEK...MODEL GUIDANCE HAS SUGGESTED THAT AN UPR LOW
/PIECE OF THE POLAR VORTEX/ WILL EVOLVE OVER THE NRN PLAINS...THEN
TRAVEL E THROUGH THE MIDWEST AND MID-ATLANTIC REGION BY WEDNESDAY OR
THURSDAY 10-11 FEB. WHAT IS MORE UNCERTAIN IS TO WHAT MAGNITUDE
THIS FEATURE WILL PHASE WITH THE SRN STREAM AND MODEL SPREAD IS
QUITE LARGE. WHATEVER THE CASE...SHORT WAVELENGTH SRN STREAM
IMPULSES THAT TRAVERSE THE SRN TIER OF THE COUNTRY WILL LIKELY NOT
ALLOW SUFFICIENT RETURN OF MOISTURE/INSTABILITY TO SUPPORT SVR
WEATHER THROUGH NEXT WEEK.
..RACY.. 02/04/2010
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