WATCHES: Severe Thunderstorm Watch Number 748

WWUS20 KWNS 250301
SEL8
SPC WW 250301
NEZ000-SDZ000-250800-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 748
NWS STORM PREDICTION CENTER NORMAN OK
1005 PM CDT THU JUL 24 2008

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

CENTRAL NEBRASKA
SOUTH CENTRAL SOUTH DAKOTA

EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 1005 PM
UNTIL 300 AM CDT.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 105
STATUTE MILES EITHER SIDE OF A LINE FROM 30 MILES NORTH NORTHWEST
OF MULLEN NEBRASKA TO 30 MILES SOUTHEAST OF BURWELL NEBRASKA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU8).

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 746...WW 747...

DISCUSSION...MATURING MCS NOW DEVELOPING ESEWD INTO CNTRL NE AND
SCNTRL SD WILL CONTINUE TO MAINTAIN THE THREAT OF HAIL AND DAMAGING
WINDS FOR AT LEAST A COUPLE MORE HOURS. PORTIONS OF THE MCS HAVE
BECOME DOMINATED BY EITHER OUTFLOW OR STRATIFORM MDT TO HVY RAIN.
HOWEVER...OUTFLOW INTERSECTIONS AND EMBEDDED ROTATING SEGMENTS
WITHIN THE COMPLEX WILL OCCASIONALLY POSE A THREAT FOR BOTH DAMAGING
WINDS AND HAIL.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 28035.

...CARBIN

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