[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 252256
SWOMCD
SPC MCD 252256
TNZ000-KYZ000-MSZ000-MOZ000-ARZ000-260000-

MESOSCALE DISCUSSION 0967
NWS STORM PREDICTION CENTER NORMAN OK
0556 PM CDT WED MAY 25 2011

AREAS AFFECTED...ERN AR/WRN TN/NRN MS

CONCERNING...TORNADO WATCH 371...

VALID 252256Z - 260000Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 371 CONTINUES.

A THREAT OF LONG-TRACKED...STRONG TORNADOES IS PERSISTING OVER
PORTIONS OF ERN AR...PROGRESSING ENEWD INTO WRN TN AND NRN
MS...WHILE RIGHT-SPLITS WILL PROGRESS DUE EAST.

A SERIES OF DISCRETE SUPERCELLS ARE PERSISTING AHEAD OF AN EFFECTIVE
DRYLINE/FRONTAL MERGER EXTENDING FROM A SURFACE LOW IN NERN MO...SWD
THROUGH ERN AR...AND SWWD THROUGH TX. GIVEN THE EXPANSIVE WARM
SECTOR CHARACTERIZED BY MID TO UPPER 80S TEMPERATURES IN CONJUNCTION
WITH UPPER 60S DEW POINTS...THE ORIENTATION OF A STRONG SLY LOW
LEVEL JET /50 KTS AT 1 KFT AT MEMPHIS VAD/ PERSISTING AFTER SUNSET
WILL MAINTAIN AN INFLUX OF HIGHER THETA-E AIR. THIS WILL ALLOW
DANGEROUS STORMS TO CONTINUE. DEEP LAYER SHEAR VECTORS ORTHOGONAL TO
THE AFOREMENTIONED SURFACE BOUNDARIES AND SUBSTANTIALLY VEERING
WINDS WITH HEIGHT WILL REMAIN CONDUCIVE TO DISCRETE SUPERCELLS
CAPABLE OF PRODUCING LONG-TRACKED/STRONG TORNADOES.

..HURLBUT.. 05/25/2011

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...OHX...PAH...MEG...JAN...LZK...

LAT...LON   34188823 34009200 34399189 35659075 36359051 36538903
            36498816 34188823



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