Tornado Watch 451

Issued

Jun 4, 2008, 2:46 PM CDT (19:46 UTC)

Expired

Jun 4, 2008, 9:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

3 in

Strongest gust expected

60 kt

The Grand Island radar (KUEX), 59 km from the middle of the area, began a volume at 19:47 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Two or more tornadoes

60%

One or more EF2 to EF5 tornadoes

40%

Ten or more severe wind reports

40%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

80%

One or more hailstones of 2 inches or more

50%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 1204Jun 4, 2:25 PM CDT
• Mesoscale Discussion 1207Jun 4, 4:09 PM CDT
• Mesoscale Discussion 1211Jun 4, 6:47 PM CDT
• Mesoscale Discussion 1212Jun 4, 7:55 PM CDT

000
WWUS20 KWNS 041945
SEL1  
SPC WW 041945
KSZ000-NEZ000-050200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 451
NWS STORM PREDICTION CENTER NORMAN OK
245 PM CDT WED JUN 4 2008

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

       NORTH CENTRAL KANSAS
       CENTRAL AND EASTERN NEBRASKA

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 245 PM UNTIL
900 PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 65 MILES WEST SOUTHWEST OF
KEARNEY NEBRASKA TO 25 MILES SOUTH SOUTHEAST OF OMAHA NEBRASKA. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU1).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.

OTHER WATCH INFORMATION...CONTINUE...WW 446...WW 447...WW
448...WW 449...WW 450...

DISCUSSION...SCATTERED THUNDERSTORMS ARE RAPIDLY DEVELOPING OVER
SOUTH CENTRAL NEB IN VICINITY OF WEAK SURFACE BOUNDARIES.  THESE
STORMS WILL LIKELY BECOME SUPERCELLULAR WITH A RISK OF VERY LARGE
HAIL AND DAMAGING WINDS.  ISOLATED TORNADOES ARE ALSO POSSIBLE...AND
THREAT WILL LIKELY INCREASE THROUGH THE EVENING AS LOW LEVEL WINDS
STRENGTHEN.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 25030.


...HART

Tornado Watches in Nebraska, 2008Tornado Watches in Kansas, 2008Tornado Watches in Iowa, 2008Every tornado watch in 2008

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.