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253 

WWUS20 KWNS 142227

SEL0

SPC WW 142227

KSZ000-NEZ000-OKZ000-TXZ000-150700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 170

NWS STORM PREDICTION CENTER NORMAN OK

525 PM CDT SAT APR 14 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       KANSAS

       FAR SOUTHWEST NEBRASKA

       WESTERN AND NORTHERN OKLAHOMA

       EASTERN TEXAS PANHANDLE



EFFECTIVE THIS SATURDAY AFTERNOON AND SUNDAY MORNING FROM 525 PM

UNTIL 200 AM CDT.



...THIS IS A PARTICULARLY DANGEROUS SITUATION...



DESTRUCTIVE TORNADOES...LARGE HAIL TO 2.5 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 100 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHEAST OF

CONCORDIA KANSAS TO 65 MILES SOUTH SOUTHWEST OF ENID OKLAHOMA.

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 165...WW 166...WW

167...WW 169...



DISCUSSION...SUPERCELLS WITH A HISTORY OF TORNADOES FROM NW HUT TO S

OF GAG ARE EXPECTED TO MOVE NEWD WITHIN A MODERATELY UNSTABLE AND

STRONGLY SHEARED ENVIRONMENT.  THE STRONGEST STORMS WILL REMAIN

CAPABLE OF SIGNIFICANT TORNADOES AND LARGE HAIL INTO TONIGHT.

ADDITIONAL STORMS WILL BE POSSIBLE THIS EVENING ALONG STATIONARY OR

SLOWLY RETREATING DRYLINE OVER WRN KS INTO THE ERN TX PNHDL WHERE

ENVIRONMENT WILL SUPPORT TORNADIC SUPERCELLS.



AVIATION...TORNADOES AND 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 24040.





...MEAD

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