WATCHES: Severe Thunderstorm Watch Number 83

WWUS20 KWNS 032320
SEL3
SPC WW 032320
KSZ000-MOZ000-040500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 83
NWS STORM PREDICTION CENTER NORMAN OK
620 PM CDT SUN APR 3 2011

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

EASTERN KANSAS
NORTHERN MISSOURI

EFFECTIVE THIS SUNDAY NIGHT FROM 620 PM UNTIL MIDNIGHT CDT.

HAIL TO 3 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 50
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES SOUTHWEST
OF MANHATTAN KANSAS TO 10 MILES EAST SOUTHEAST OF KIRKSVILLE
MISSOURI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

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 82...

DISCUSSION...THUNDERSTORMS HAVE BEGUN TO RAPIDLY INTENSIFY ALONG AND
NORTH OF A COLD FRONT OVER NORTHEAST KS. THESE STORMS ARE EXPECTED
TO BECOME MORE NUMEROUS AND SPREAD EAST-SOUTHEASTWARD ACROSS THE
WATCH AREA THIS EVENING. VERY STEEP MID LEVEL LAPSE RATES AND
STRONG VERTICAL SHEAR WILL PROMOTE SUPERCELL STORMS...WITH VERY
LARGE HAIL BEING THE MAIN THREAT. DAMAGING WINDS MAY ALSO BECOME
MORE OF A THREAT THIS EVENING AS THE ACTIVITY BEGINS TO SURGE
SOUTHEASTWARD.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 25040.

...HART

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