

000 

WWUS20 KWNS 192225

SEL5

SPC WW 192225

IAZ000-MNZ000-WIZ000-200300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 705

NWS STORM PREDICTION CENTER NORMAN OK

525 PM CDT SAT JUL 19 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHERN IOWA

       SOUTHEAST MINNESOTA

       CENTRAL AND WESTERN WISCONSIN



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 525 PM UNTIL

1000 PM CDT.



TORNADOES...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 70 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH NORTHEAST OF

WAUSAU WISCONSIN TO 40 MILES SOUTH OF FORT DODGE IOWA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU5).



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 702...WW 703...WW 704...



DISCUSSION...STRONG/SEVERE THUNDERSTORMS EXPECTED TO CONTINUE ESEWD

ACROSS WW THIS EVENING...INTO MODERATE TO STRONG INSTABILITY.  LATE

AFTERNOON STORMS HAVE BEEN LOOSELY ORGANIZED IN THE FORM OF CLUSTERS

AND A FEW SUPERCELLS...WITH SHEAR REMAINING SUPPORTIVE OF SUPERCELLS

AND POSSIBLE EVOLUTION INTO BOW SEGMENTS THIS EVENING.  LARGE HAIL

AND DAMAGING WINDS...ALONG WITH HEAVY RAINFALL...ARE EXPECTED OVER

MUCH OF THE WATCH AREA.  IN ADDITION...ISOLATED TORNADOES REMAIN

POSSIBLE  AS STORMS INTERACT WITH SURFACE BOUNDARY OVER CENTRAL WI

AND INGEST VERY UNSTABLE AIR ACROSS NRN IA.



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

500. MEAN STORM MOTION VECTOR 28030.





...EVANS

