TSTM Watch for TX, OK, CO, KS

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SPC WW 200200
COZ000-KSZ000-OKZ000-TXZ000-200700-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 92
NWS STORM PREDICTION CENTER NORMAN OK
900 PM CDT MON APR 19 2004


THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF


SOUTHEAST CORNER OF COLORADO
SOUTHWEST KANSAS
NORTHWEST OKLAHOMA
NORTHERN TEXAS PANHANDLE


EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 900 PM UNTIL
200 AM CDT.


HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.


THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 110 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 25 MILES WEST OF DALHART TEXAS TO
10 MILES SOUTH OF HUTCHINSON KANSAS.


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...THIS SEVERE THUNDERSTORM WATCH REPLACES
TORNADO WATCH NUMBER 90. WATCH NUMBER 90 WILL NOT BE IN EFFECT
AFTER 900 PM CDT.


DISCUSSION...SEVERE THUNDERSTORMS EXPECTED TO CONTINUE DEVELOPING
NEWD AHEAD OF APPROACHING SRN ROCKIES TROUGH. WITH STRONG LOW LEVEL
SLY JET...MOISTURE AND INSTABILITY ADVECTING NWD INTO KS AND SERN
CORNER OF CO PROVIDING MODERATE INSTABILITY. SHEAR CONTINUES TO
SUPPORT SUPERCELLS...HOWEVER WITH BOUNDARY LAYER STABILIZING THE
THREAT SHOULD BE PRIMARILY LARGE HAIL AND BRIEF DAMAGING WINDS.


AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 24030.


...HALES


;373,1030 393,0975 362,0975 342,1030;