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640 

WWUS20 KWNS 271916

SEL4

SPC WW 271916

KSZ000-280200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 194

NWS STORM PREDICTION CENTER NORMAN OK

215 PM CDT FRI APR 27 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL AND EASTERN KANSAS



EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 215 PM UNTIL 900

PM CDT.



TORNADOES...HAIL TO 3 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 85 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH OF CONCORDIA

KANSAS TO 50 MILES SOUTH SOUTHWEST OF CHANUTE KANSAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU4).



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.



DISCUSSION...STORMS ARE EXPECTED TO CONTINUE DEVELOPING ALONG THE

DRY LINE OVER CENTRAL KS IN RESPONSE TO INCREASING FORCING FROM A

STRONG VORTICITY MAX MOVING OVER WRN KS.  HEATING IN ADVANCE OF THE

DRY LINE OVER CENTRAL INTO SOUTH CENTRAL KS IS CONTINUING TO

DESTABILIZE THE AIR MASS AND WEAKEN THE CAP...WITH RADAR AND VISIBLE

SATELLITE SHOWING EARLY STAGES OF DEEPENING CONVECTION.  CURRENT

STRONG/SEVERE STORMS OVER NORTH CENTRAL KS WILL MOVE NEWD TOWARD

NERN KS...WHILE OTHER STORMS ARE EXPECTED TO INTENSIFY OVER SOUTH

CENTRAL/SERN KS.  VAD AND WIND PROFILER DATA SUPPORT SUPERCELL

FORMATION WITH POTENTIAL FOR VERY LARGE HAIL...TORNADOES...AND

DAMAGING WIND GUSTS FROM STRONGER CELLS.



AVIATION...TORNADOES AND 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 22035.





...WEISS

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