Tornado Watch 150

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 150
NWS STORM PREDICTION CENTER NORMAN OK
615 PM CDT MON MAR 31 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
A LARGE PART OF SOUTHERN AND EASTERN ARKANSAS
SMALL PART OF SOUTHEAST MISSOURI
SMALL PART OF SOUTHEAST OKLAHOMA
SMALL PART OF NORTHEAST TEXAS
EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 615 PM UNTIL
100 AM CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EITHER SIDE OF A LINE FROM 55 MILES EAST NORTHEAST OF
POPLAR BLUFF MISSOURI TO 55 MILES WEST OF TEXARKANA ARKANSAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU0).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
OTHER WATCH INFORMATION...CONTINUE...
WW 147
...
WW 148
...
WW 149
...
DISCUSSION...WELL DEVELOPED SEVERE SQUALL LINE FROM S CENTRAL MO
INTO SERN OK EXPECTED TO CONTINUE E/SE THRU THE EVENING. WITH MDT
INSTABILITY...50-60KT OF DEEP LAYER SHEAR...SUPERCELLS AND BOW
STRUCTURES EXPECTED TO BE ASSOCIATED WITH THE SQUALL LINE.
TORNADOES WILL BE POSSIBLE WITH ANY SUPERCELL AND LINEAR/BOW
SEGMENTS.
AVIATION...TORNADOES AND 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
550. MEAN STORM MOTION VECTOR 24035.
...HALES