[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 020030
SWOMCD
SPC MCD 020030
ALZ000-TNZ000-MSZ000-MOZ000-ARZ000-020100-

MESOSCALE DISCUSSION 0452
NWS STORM PREDICTION CENTER NORMAN OK
0730 PM CDT SAT MAY 01 2010

AREAS AFFECTED...NERN AR/MO BOOTHEEL/WRN TN/NWRN MS

CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY

VALID 020030Z - 020100Z

NEW PDS TORNADO WATCH WILL BE NEEDED FOR NERN AR...MO BOOTHEEL...
WRN TN AND NWRN MS.

VISIBLE SATELLITE IMAGERY AND SURFACE OBSERVATIONS INDICATED
CLEARING SKIES LATE THIS AFTERNOON/EARLY EVENING FROM EAST CENTRAL
AR INTO FAR NWRN MS/SWRN TN HAVE ALLOWED TEMPERATURES TO RECOVER
INTO THE UPPER 70S WITH CONTINUED MOISTURE RETURN /SURFACE DEWPOINTS
LOWER-MID 70S/.  RECENT TRENDS IN THE MEM WSR-88D VWP INDICATED AN
INCREASE IN LOW LEVEL SHEAR/HODOGRAPH CURVATURE...WITH SFC-1 KM SRH
INCREASING FROM 100 M2/S2 AT 22Z TO 300 M2/S2 AT 00Z.  THIS COMBINED
WITH THE GREATER INSTABILITY ACROSS THIS REGION AND THE APPROACH OF
STRONG TO SEVERE STORMS FROM CENTRAL AR SUGGESTS A NEW TORNADO WATCH
WILL BE NEEDED TO THE E/NE OF WW 125.  GIVEN THE STRENGTH OF THE LOW
LEVEL SHEAR WITH A FURTHER INCREASE EXPECTED AS THE LLJ STRENGTHENS
ACROSS THIS AREA TONIGHT...THIS WATCH WILL ALSO NEED TO BE A PDS
TORNADO WATCH.

..PETERS.. 05/02/2010

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

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

LAT...LON   35169112 36199126 36498939 36478795 35148809 34278874
            33758984 33909065 34209104 35169112


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