

698 

WWUS20 KWNS 090807

SEL5

SPC WW 090807

NDZ000-091400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 365

NWS STORM PREDICTION CENTER NORMAN OK

300 AM CDT SAT JUN 9 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN AND NORTHERN NORTH DAKOTA



EFFECTIVE THIS SATURDAY MORNING FROM 300 AM UNTIL 900 AM CDT.



HAIL TO 1.5 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 80

STATUTE MILES EAST AND WEST OF A LINE FROM 75 MILES NORTHWEST OF

MINOT NORTH DAKOTA TO 45 MILES WEST OF GARRISON NORTH 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.



OTHER WATCH INFORMATION...CONTINUE...WW 364...



DISCUSSION...NE MT TSTM CLUSTER WITH EMBEDDED SUSTAINED

STORMS/OCCASIONAL SUPERCELLS EXPECTED TO CONTINUE NEWD INTO

ND...WITH PERHAPS SOME ADDITIONAL DEVELOPMENT ON ITS ERN FLANK.

AREA OBSERVATIONS...FCST SOUNDINGS...AND CONTINUED ENE ADVANCE OF

ASSOCIATED UPR TROUGH SUGGEST LIKELIHOOD FOR SVR HAIL / LOCALLY DMGG

WINDS DESPITE POSSIBILITY THAT THE CONVECTION MAY BECOME SLIGHTLY

ELEVATED WITH TIME.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 22035.





...CORFIDI

