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000 

WWUS20 KWNS 170050

SEL5

SPC WW 170050

MNZ000-NEZ000-SDZ000-170600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 695

NWS STORM PREDICTION CENTER NORMAN OK

750 PM CDT WED JUL 16 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WEST CENTRAL MINNESOTA

       NORTH CENTRAL NEBRASKA

       CENTRAL AND EASTERN SOUTH DAKOTA



EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 750 PM

UNTIL 100 AM 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 75

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF

ABERDEEN SOUTH DAKOTA TO 45 MILES SOUTH SOUTHEAST OF MULLEN

NEBRASKA.  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 694...



DISCUSSION...THUNDERSTORMS ARE INCREASING ALONG A COLD FRONT ACROSS

CENTRAL SD...WHILE OTHER INTENSE STORMS PERSIST OVER PARTS OF

NORTHERN NEB.  STRONG INSTABILITY...COUPLED WITH STRENGTHENING

SOUTHERLY LOW LEVEL JET THIS EVENING WILL PROMOTE CONTINUED

INTENSIFICATION OF STORMS FOR THE NEXT SEVERAL HOURS.

MULTICELL/SUPERCELL STORMS CAPABLE OF DAMAGING WINDS AND HAIL ARE

POSSIBLE.



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 27025.





...HART

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