ACUS48 KWNS 060857
SWOD48
SPC AC 060857
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0257 AM CST THU FEB 06 2014
VALID 091200Z - 141200Z
...DISCUSSION...
DOMINANCE OF AN EXPANSIVE SURFACE ANTICYCLONE OVER THE CNTRL TO ERN
CONUS WILL MAINTAIN A PERVASIVE MODIFIED CP AIR MASS E OF THE
ROCKIES. BY MID-WEEK /D6-7/...GUIDANCE HAS TRENDED TOWARDS INLAND
PENETRATION OF THE POLAR FRONT ALONG THE GULF COAST IN ADVANCE OF A
SRN STREAM SHORTWAVE TROUGH EJECTING INVOF THE SRN PLAINS. LOW
CONFIDENCE EXISTS IN THE AMPLITUDE OF POTENTIAL CYCLOGENESIS ALONG
WITH INTERACTION AND POTENTIAL PHASING OF NRN STREAM IMPULSES.
ALTHOUGH SOME INCREASE IN SEVERE POTENTIAL IS APPARENT...POOR
RUN-TO-RUN CONTINUITY AND LARGE SPREAD AMONG GUIDANCE SUGGEST ANY
CONSIDERATION OF HIGH-END PROBABILITIES IS PREMATURE ATTM.
..GRAMS.. 02/06/2014
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