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805 

WWUS20 KWNS 301908

SEL6

SPC WW 301908

KSZ000-MOZ000-310300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 66

NWS STORM PREDICTION CENTER NORMAN OK

205 PM CDT SAT MAR 30 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EASTERN KANSAS

       WEST CENTRAL AND SOUTHWEST MISSOURI



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 205 PM UNTIL

1000 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 75

STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH

NORTHEAST OF EMPORIA KANSAS TO 30 MILES SOUTHWEST OF JOPLIN

MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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.



DISCUSSION...TSTMS EXPECTED TO INCREASE IN COVERAGE/STRENGTH ALONG

AND S OF W-E OUTFLOW BOUNDARY DRIFTING SSE THROUGH ERN KS/FAR WRN

MO. CONTINUED SFC HEATING/STEEPENING LOW-LVL LAPSE RATES AHEAD OF

BOUNDARY...DEEP EML ALOFT...AND MODEST BUT STRENGTHENING LARGE-SCALE

ASCENT IN WNWLY MID-LVL FLOW SUGGEST POTENTIAL FOR SUSTAINED

STORMS/SUPERCELLS WITH LARGE HAIL AND POSSIBLY LOCALLY DMGG WIND.

STORMS SHOULD CONSOLIDATE INTO A SMALL SE-MOVING CLUSTER LATER THIS

EVE. A CONDITIONAL RISK FOR MORE ISOLD STORMS WILL EXIST ALONG SW-NE

WIND SHIFT NOW LOCATED W OF ICT. IF STORMS DO FORM ALONG THIS

FEATURE...THEY ALSO WILL HAVE THE POTENTIAL FOR LARGE HAIL.



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 31025.





...CORFIDI

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