Tornado Watch 396

Issued

Jun 4, 2005, 7:00 PM CDT (00:00 UTC)

Expired

Jun 5, 2005, 2:00 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

The Omaha radar (KOAX), 104 km from the middle of the area, began a volume at 00:05 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 1158Jun 4, 3:46 PM CDT
• Mesoscale Discussion 1162Jun 4, 5:45 PM CDT
• Mesoscale Discussion 1167Jun 4, 7:55 PM CDT
• Mesoscale Discussion 1169Jun 4, 10:00 PM CDT
• Mesoscale Discussion 1173Jun 5, 12:55 AM CDT

000 
WWUS20 KWNS 050005
SEL6  
SPC WW 050005
IAZ000-NEZ000-SDZ000-050700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 396
NWS STORM PREDICTION CENTER NORMAN OK
700 PM CDT SAT JUN 4 2005

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

       CENTRAL AND NORTHERN IOWA
       CENTRAL AND EASTERN NEBRASKA
       EXTREME SOUTHEAST SOUTH DAKOTA

EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 700 PM UNTIL
200 AM CDT.

TORNADOES...HAIL TO 2 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 70 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 10 MILES NORTH NORTHWEST OF NORTH
PLATTE NEBRASKA TO 15 MILES SOUTHEAST OF WATERLOO IOWA.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU6).

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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 390. WATCH NUMBER 390 WILL NOT BE IN EFFECT AFTER 700
PM CDT. CONTINUE...WW 391...WW 392...WW 393...WW 394...WW 395...

DISCUSSION...THUNDERSTORMS EXPECTED TO INCREASE IN
COVERAGE/INTENSITY THROUGH TONIGHT AS WRN NEB UPR VORT CONTINUES
ENEWD. STRENGTHENING WARM ADVECTION AND GRADUALLY INCREASING LARGE
SCALE ASCENT SHOULD SUPPORT A FEW SUPERCELLS WITH LARGE HAIL/HIGH
WIND AND POSSIBLE TORNADOES.  IN THE NEAR TERM...TORNADIC THREAT
EXPECTED TO DIMINISH AFTER NIGHTFALL IN IMMEDIATE VICINITY OF VORT
AND ASSOCIATED SURFACE BOUNDARY OVER N CNTRL NEB.

AVIATION...TORNADOES AND 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 23025.


...CORFIDI

421,1004 432,0921 412,0921 401,1004

Tornado Watches in Nebraska, 2005Tornado Watches in Iowa, 2005Every tornado watch in 2005

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.