Tornado Watch 446

Issued

Jun 12, 2004, 11:45 AM CDT (16:45 UTC)

Expired

Jun 12, 2004, 7:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

The Topeka radar (KTWX), 125 km from the middle of the area, began a volume at 16:45 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 1212Jun 12, 10:30 AM CDT
• Mesoscale Discussion 1215Jun 12, 12:43 PM CDT
• Mesoscale Discussion 1217Jun 12, 1:12 PM CDT
• Mesoscale Discussion 1219Jun 12, 1:53 PM CDT
• Mesoscale Discussion 1226Jun 12, 5:00 PM CDT

000 
WWUS20 KWNS 121643
SEL6  
SPC WW 121645
IAZ000-KSZ000-MOZ000-NEZ000-130000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 446
NWS STORM PREDICTION CENTER NORMAN OK
1145 AM CDT SAT JUN 12 2004

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

       SOUTHERN AND WESTERN IOWA
       EASTERN KANSAS
       NORTHWEST MISSOURI
       EASTERN NEBRASKA

EFFECTIVE THIS SATURDAY MORNING AND EVENING FROM 1145 AM UNTIL 700
PM CDT.

TORNADOES...HAIL TO 4 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 100 STATUTE MILES EAST AND
WEST OF A LINE FROM 35 MILES WEST NORTHWEST OF FORT DODGE IOWA TO
40 MILES SOUTH SOUTHEAST OF SALINA KANSAS.

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 445...

DISCUSSION...SEVERE THUNDERSTORMS ARE DEVELOPING IN AN EXTREMELY
UNSTABLE AIR MASS ACROSS WATCH AREA.  WITH CONTINUED HEATING
POTENTIAL WILL INCREASE DURING AFTERNOON FOR TORNADIC SUPERCELLS
ALONG WITH VERY LARGE DAMAGING HAIL.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 22030.


...HALES

424,0925 381,0953 381,0991 424,0964

Tornado Watches in Iowa, 2004Tornado Watches in Kansas, 2004Tornado Watches in Nebraska, 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.