DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 080923
SWOD48
SPC AC 080922

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0322 AM CST FRI NOV 08 2013

VALID 111200Z - 161200Z

...DISCUSSION...
THE MEDIUM RANGE GUIDANCE INDICATES THAT SIGNIFICANT UPPER TROUGH
AMPLIFICATION ACROSS THE EASTERN U.S. IS PROBABLE DURING THE EARLY
TO MIDDLE PORTIONS OF NEXT WEEK...ACCOMPANIED BY A SUBSTANTIVE
REINFORCING LOW-LEVEL COLD/DRY INTRUSION ACROSS MOST AREAS EAST OF
THE ROCKIES. THIS SHOULD CONTRIBUTE TO THE MAINTENANCE OF GENERALLY
STABLE CONDITIONS WITH LOW TO NEGLIGIBLE CONVECTIVE POTENTIAL INTO
THE LATTER PORTIONS OF NEXT WEEK...WHEN UPPER PATTERN DEVELOPMENTS
BECOME INCREASINGLY UNCLEAR DUE TO LARGE SPREAD AMONG THE MODELS AND
WITHIN THE VARIOUS MODEL ENSEMBLE DATA.

..KERR.. 11/08/2013

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