Severe Local Storm Watch and Watch Cancellation Msg
Issued by NWS

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WWUS20 KWNS 241942
SEL0
SPC WW 241942
ARZ000-LAZ000-MOZ000-MSZ000-OKZ000-TNZ000-TXZ000-250400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 90
NWS STORM PREDICTION CENTER NORMAN OK
240 PM CDT THU APR 24 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
  CENTRAL AND EASTERN ARKANSAS
  NORTHERN LOUISIANA
  THE MISSOURI BOOTHEEL
  WESTERN AND NORTHERN MISSISSIPPI
  FAR SOUTHEAST OKLAHOMA
  WEST TENNESSEE
  NORTHEAST TEXAS

* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 240 PM UNTIL
  1100 PM CDT.

* PRIMARY THREATS INCLUDE...
  WIDESPREAD LARGE HAIL EXPECTED WITH ISOLATED VERY LARGE HAIL
    EVENTS TO 2.5 INCHES IN DIAMETER POSSIBLE
  SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS
    TO 75 MPH POSSIBLE
  A TORNADO OR TWO POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 105
STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHEAST OF
WALNUT RIDGE ARKANSAS TO 45 MILES SOUTH SOUTHWEST OF EL DORADO
ARKANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 89...

DISCUSSION...TSTMS EXPECTED TO FORM/STRENGTHEN ALONG SSW-NNE
PRE-FRONTAL CONFLUENCE AXIS NOW EXTENDING FROM NW LA TO N CNTRL AR
AS SFC HEATING AND MID-LVL COOLING/ASCENT ASSOCIATED WITH LEADING
EDGE OF POTENT NRN OK UPR VORT OVERSPREAD REGION. WHILE LOW-LVL
INSTABILITY PATTERN WILL REMAIN SOMEWHAT DISORGANIZED IN WAKE OF
MORNING ELEVATED STORMS/DEBRIS...SOME POTENTIAL MAY DEVELOP FOR ONE
OR TWO SFC-BASED STORMS WITH AN INCREASING RISK FOR A TORNADOES AS
LOW-LVL MOISTURE CONTINUES TO SPREAD NNE ACROSS ERN AR/WRN MS AND
500 MB WSW FLOW STRENGTHENS TO AOA 50 KTS. WERE SUCH A SCENARIO TO
MATERIALIZE...PARTS OF SRN/ERN AR...NE LA...AND WRN MS COULD REQUIRE
UPGRADE TO A TORNADO WATCH LATER IN THE DAY.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 25035.


...CORFIDI


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