Tornado Watch 700

Issued

Aug 3, 2004, 5:00 PM CDT (22:00 UTC)

Expired

Aug 3, 2004, 10:00 PM CDT

In force

5 hr

Issued by

the Storm Prediction Center

The Omaha radar (KOAX), 15 km from the middle of the area, began a volume at 22:01 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.

• Mesoscale Discussion 1855Aug 3, 1:16 PM CDT
• Mesoscale Discussion 1857Aug 3, 3:00 PM CDT
• Mesoscale Discussion 1858Aug 3, 3:55 PM CDT
• Mesoscale Discussion 1860Aug 3, 4:52 PM CDT
• Mesoscale Discussion 1866Aug 3, 6:45 PM CDT
• Mesoscale Discussion 1870Aug 3, 9:16 PM CDT

000 
WWUS20 KWNS 032202
SEL0  
SPC WW 032200
IAZ000-NEZ000-040300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 700
NWS STORM PREDICTION CENTER NORMAN OK
500 PM CDT TUE AUG 3 2004

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

       SOUTHWEST IOWA
       EASTERN NEBRASKA

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 500 PM UNTIL
1000 PM CDT.

TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS ALONG AND 50 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 90 MILES EAST OF OMAHA NEBRASKA TO 25 MILES
WEST SOUTHWEST OF COLUMBUS NEBRASKA.

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 697...WW 698...WW 699...

DISCUSSION...EXPLOSIVE SEVERE THUNDERSTORM DEVELOPMENT EXPECTED
ALONG E/W BOUNDARY ERN NEB WHERE MUCAPES IN EXCESS OF 6000 J/KG. 
WITH VEERING SHEAR PROFILES AND 40-50 KT OF DEEP LAYER
SHEAR...CONDITIONS FAVORABLE FOR SUPERCELLS.  IN ADDITION TO VERY
DAMAGING DOWNBURST WINDS...ISOLATED TORNADOES ARE EXPECTED AS STORMS
DEVELOP EWD INTO SWRN IA.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
600. MEAN STORM MOTION VECTOR 27025.


...HALES

403,0940 403,0974 420,0974 420,0940

Tornado Watches in Nebraska, 2004Tornado Watches in Iowa, 2004Every tornado watch in 2004

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.