

000 

WWUS20 KWNS 101259

SEL5

SPC WW 101259

MNZ000-NDZ000-SDZ000-101800-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 675

NWS STORM PREDICTION CENTER NORMAN OK

800 AM CDT THU JUL 10 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN AND CENTRAL MINNESOTA

       SOUTHEAST NORTH DAKOTA

       EASTERN SOUTH DAKOTA



EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 800 AM UNTIL

100 PM CDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70

STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES NORTH OF

DETROIT LAKES MINNESOTA TO 15 MILES EAST SOUTHEAST OF BROOKINGS

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

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



DISCUSSION...SCTD SLIGHTLY ELEVATED SUSTAINED STORMS/POSSIBLE

SUPERCELLS...MAY PERSIST THROUGH ABOUT MIDDAY.  THESE MAY POSE A

THREAT FOR LARGE HAIL AND POSSIBLY DMGG WIND...GIVEN 12Z RAOB AND

VWP DATA AND EXPECTED INCREASE IN 925-850 MB MOISTURE.  IF STORMS

ARE ABLE TO DEVELOP A COHERENT COLD POOL...NOT CERTAIN ATTM...WIND

THREAT MAY INCREASE FARTHER SE INTO MN LATER THIS MORNING.



AVIATION...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 30030.





...CORFIDI

