URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 171
NWS STORM PREDICTION CENTER NORMAN OK
630 PM CDT SAT APR 14 2012
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL AND SOUTHEAST NEBRASKA
EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 630 PM
UNTIL 200 AM CDT.
...THIS IS A PARTICULARLY DANGEROUS SITUATION...
DESTRUCTIVE TORNADOES...LARGE HAIL TO 2 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 50 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 15 MILES WEST OF KEARNEY
NEBRASKA TO 40 MILES SOUTH OF OMAHA NEBRASKA. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU1).
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 166...WW 167...WW
169...WW 170...
DISCUSSION...SURFACE LOW N OF GLD WILL DEVELOP NEWD INTO CNTRL NEB
TONIGHT WITH AN ASSOCIATED WARM FRONT/OUTFLOW BOUNDARY LIFTING NWD
THROUGH S-CNTRL/SERN NEB. THE RETREAT OF THIS BOUNDARY WILL
COINCIDE WITH THE WRN EXTENSION OF A 50+ KT SLY LLJ WHICH WILL
ENHANCED VERTICAL SHEAR AND AIR MASS DESTABILIZATION. AS
SUCH...ENVIRONMENT IS EXPECTED TO REMAIN SUPPORTIVE OF SUPERCELLS
CAPABLE OF TORNADOES /SOME SIGNIFICANT/ AND LARGE HAIL.
AVIATION...TORNADOES AND 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 24035.
...MEAD
1 comment:
Nasty supercells are out. Expect more to develop. Supercells dominate till 10 central. VERY DANGEROUS CONDITIONS CONTINUE.
Post a Comment