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.