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964 

WWUS20 KWNS 071855

SEL2

SPC WW 071855

ARZ000-LAZ000-MOZ000-MSZ000-TNZ000-TXZ000-080100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 62

NWS STORM PREDICTION CENTER NORMAN OK

155 PM CDT WED APR 7 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL AND EASTERN ARKANSAS

       NORTHERN LOUISIANA

       MISSOURI BOOTHEEL

       NORTHWEST MISSISSIPPI

       WESTERN TENNESSEE

       NORTHEAST TEXAS



EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 155 PM UNTIL

800 PM CDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTHWEST OF

DYERSBURG TENNESSEE TO 60 MILES SOUTH SOUTHEAST OF LONGVIEW

TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



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 61...



DISCUSSION...THUNDERSTORMS WILL CONTINUE TO INTENSIFY ALONG THE

SURFACE COLD FRONT FROM CENTRAL AR INTO NORTHEAST TX.  CLOUDS AHEAD

OF THE FRONT HAVE LIMITED HEATING/DESTABILIZATION.  HOWEVER...COOL

TEMPERATURES ALOFT AND RETURNING MOISTURE WILL PROVIDE SUFFICIENT

CAPE FOR A RISK OF A FEW SEVERE STORMS CAPABLE OF HAIL AND DAMAGING

WINDS.  STORMS ARE EXPECTED TO BECOME MORE ORGANIZED INTO A SQUALL

LINE BY LATE AFTERNOON WITH AN INCREASING RISK OF DAMAGING WINDS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM

MOTION VECTOR 24030.





...HART

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