Particularly Dangerous Situation! Tornado Watch 363

Particularly Dangerous Situation!
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 363
NWS STORM PREDICTION CENTER NORMAN OK
330 PM CDT SUN MAY 25 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
A LARGE PART OF IOWA
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 330 PM UNTIL
1000 PM CDT.
...THIS IS A PARTICULARLY DANGEROUS SITUATION...
DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 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 60 MILES SOUTHWEST OF FORT
DODGE IOWA TO 50 MILES EAST SOUTHEAST OF CEDAR RAPIDS IOWA. FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU3).
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 357
...
WW 358
...
WW
359
...
WW 360
...
WW 361
...
DISCUSSION...VERY TO EXTREMELY UNSTABLE AIR MASS ACROSS MUCH OF IA
AHEAD OF COLD FRONT. THUNDERSTORMS WILL DEVELOP RAPIDLY AND WITH
STRONG DEEP LAYER SHEAR QUICKLY BECOME SUPERCELLS. VERY LARGE HAIL
AND TORNADOES ARE LIKELY WITH ANY SUPERCELL. POTENTIAL FOR LONG
LIVED SUPERCELLS WITH STRONG TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 24035.
...HALES