124 
WWUS20 KWNS 310235
SEL4  
SPC WW 310235
MNZ000-NEZ000-SDZ000-310300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH - NUMBER 634 
NWS STORM PREDICTION CENTER NORMAN OK 
935 PM CDT MON AUG 30 2010

THE NWS STORM PREDICTION CENTER HAS CANCELLED 
SEVERE THUNDERSTORM WATCH NUMBER 634 ISSUED AT 325 PM CDT FOR PORTIONS OF

         MINNESOTA
         NEBRASKA
         SOUTH DAKOTA

129 
WOUS64 KWNS 310235
WOU4  

SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 634
NWS STORM PREDICTION CENTER NORMAN OK
935 PM CDT MON AUG 30 2010

SEVERE THUNDERSTORM WATCH 634 IS NO LONGER IN EFFECT.

MNZ000-NEZ000-SDZ000-310300-
/O.CAN.KWNS.SV.A.0634.000000T0000Z-100831T0300Z/

NO COUNTIES OR PARISHES REMAIN IN THE WATCH.

$$

ATTN...WFO...ABR...FSD...LBF...GID...OAX...



 

500 
WWUS40 KWNS 302025
WWP4  

SEVERE THUNDERSTORM WATCH PROBABILITIES FOR WS 0634
NWS STORM PREDICTION CENTER NORMAN OK
0325 PM CDT MON AUG 30 2010

WS 0634
PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES                        :  20%
PROB OF 1 OR MORE STRONG /F2-F5/ TORNADOES         :  05%
PROB OF 10 OR MORE SEVERE WIND EVENTS              :  60%
PROB OF 1 OR MORE WIND EVENTS >= 65 KNOTS          :  40%
PROB OF 10 OR MORE SEVERE HAIL EVENTS              :  40%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES          :  30%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS :  90%

&&
ATTRIBUTE TABLE:
MAX HAIL /INCHES/                            : 2.0
MAX WIND GUSTS SURFACE /KNOTS/               : 70
MAX TOPS /X 100 FEET/                        : 550
MEAN STORM MOTION VECTOR /DEGREES AND KNOTS/ : 22035
PARTICULARLY DANGEROUS SITUATION             : NO

&&
FOR A COMPLETE GEOGRAPHICAL DEPICTION OF THE WATCH AND
WATCH EXPIRATION INFORMATION SEE WOUS64 FOR WOU4.

$$