Tornado Watch 368

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 368
NWS STORM PREDICTION CENTER NORMAN OK
755 PM CDT SUN MAY 25 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHERN...CENTRAL AND EASTERN IOWA
NORTHWESTERN ILLINOIS
NORTHEAST MISSOURI
EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 755 PM UNTIL
300 AM 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 130 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES NORTHWEST OF DUBUQUE
IOWA TO 15 MILES EAST OF LAMONI IOWA. FOR A COMPLETE DEPICTION
OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS
WOU8).
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...THIS TORNADO WATCH REPLACES
TORNADO
WATCH NUMBER 363
. WATCH NUMBER 363 WILL NOT BE IN EFFECT AFTER
755 PM CDT. CONTINUE...
WW 358
...
WW 360
...
WW 361
...
WW 362
...
WW
364
...
WW 365
...
WW 366
...
WW 367
...
DISCUSSION...TSTMS/SUPERCELLS EXPECTED TO PERSIST ALONG AND AHEAD OF
COLD FRONT AND PREFRONTAL TROUGH OVER IA/NW IL. OTHER STORMS MAY
FORM LATER THIS EVENING INVOF DIFFUSE WARM FRONT OVER FAR WRN IL.
AMPLE SHEAR AND LOW-LEVEL MOISTURE ARE PRESENT TO SUGGEST THREAT FOR
ADDITIONAL TORNADOES...DESPITE EXPECTED TENDENCY FOR STORM MODE TO
BECOME LESS DISCRETE WITH TIME. OTHER SVR STORMS...MAINLY POSING A
THREAT FOR HIGH WIND AND PERHAPS HAIL...EXPECTED TO
FORWARD-PROPAGATE ENE INTO WW FROM MCS NOW IN NE KS/SE NEB.
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
550. MEAN STORM MOTION VECTOR 27035.
...CORFIDI