

068 

WWUS20 KWNS 141659

SEL6

SPC WW 141659

NEZ000-150000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 166

NWS STORM PREDICTION CENTER NORMAN OK

1200 PM CDT SAT APR 14 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL AND EASTERN NEBRASKA



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM NOON UNTIL 700

PM CDT.



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



DESTRUCTIVE TORNADOES...LARGE HAIL TO 4 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 75 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTH SOUTHWEST OF

BROKEN BOW NEBRASKA TO 10 MILES SOUTH OF OMAHA NEBRASKA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU6).



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...



DISCUSSION...A CLUSTER OF SEVERE THUNDERSTORMS OVER CENTRAL KS IS

EXPECTED TO CONTINUE TO TRACK NORTHEASTWARD AND INTO CENTRAL/EASTERN

NEB THIS AFTERNOON.  MEANWHILE...STRONG LOW LEVEL WARM/MOIST

ADVECTION AND A WEAK CAP MAY RESULT IN OTHER CONVECTIVE DEVELOPMENT

ACROSS THE WATCH AREA DURING THE NEXT FEW HOURS.  LOW LEVEL VERTICAL

SHEAR IS VERY IMPRESSIVE THROUGH THE AFTERNOON/EVENING...SUGGESTING

AND INCREASING RISK OF SURFACE-BASED SUPERCELLS CAPABLE OF STRONG

TORNADOES AND VERY LARGE HAIL.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 25035.





...HART

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