WATCHES: Severe Thunderstorm Watch Number 695

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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