

000 

WWUS20 KWNS 242325

SEL2

SPC WW 242325

NDZ000-250600-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 352

NWS STORM PREDICTION CENTER NORMAN OK

625 PM CDT SAT MAY 24 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTH CENTRAL NORTH DAKOTA



EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 625 PM

UNTIL 100 AM CDT.



TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 60 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 110 STATUTE

MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH OF BISMARCK

NORTH DAKOTA TO 60 MILES SOUTH SOUTHEAST OF BISMARCK NORTH

DAKOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



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 346...WW 347...WW

348...WW 349...WW 350...WW 351...



DISCUSSION...SCTD TSTMS/POSSIBLE SUPERCELLS EXPECTED TO DEVELOP NEWD

INTO WW AREA THIS EVENING AS ASCENT/COOLING ALOFT ASSOCIATED WITH

LEFT EXIT REGION OF NEB/SD JET STREAK OVERSPREADS CORRIDOR OF

LOW-LVL WARMING/MOISTENING NEAR OCCLUDED FRONT.  BACKED LOW-LEVEL

FLOW AND SMALL TEMP-DEW POINT SPREADS COULD YIELD A COUPLE TORNADOES

IN ADDITION TO SVR HAIL/WIND.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

400. MEAN STORM MOTION VECTOR 24035.





...CORFIDI

