Tornado Watch 193

Issued

May 12, 2004, 4:00 PM CDT (21:00 UTC)

Expired

May 12, 2004, 10:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

• Mesoscale Discussion 670May 12, 3:23 PM CDT
• Mesoscale Discussion 678May 12, 9:08 PM CDT

000 
WWUS20 KWNS 122101
SEL3  
SPC WW 122100
KSZ000-OKZ000-130300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 193
NWS STORM PREDICTION CENTER NORMAN OK
400 PM CDT WED MAY 12 2004

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

       SOUTH CENTRAL AND SOUTHWEST KANSAS
       NORTHWEST OKLAHOMA

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 400 PM UNTIL
1000 PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 50 MILES NORTHWEST OF GAGE OKLAHOMA TO 25
MILES NORTHEAST OF WICHITA 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 192...

DISCUSSION...VERY TO EXTREMELY UNSTABLE AIR MASS ACROSS OK INTO SRN
KS AHEAD OF STALLING FRONTAL ZONE ACROSS KS.  CAP HAS WEAKENED IN
AREA OF FRONTAL CONVERGENCE FOR RAPID SEVERE THUNDERSTORM
DEVELOPMENT.  SHEAR PROFILES ARE SUFFICIENT GIVEN THE AMOUNT OF
INSTABILITY FOR SUPERCELL DEVELOPMENT. ALONG WITH VERY LARGE
HAIL...TORNADOES ARE EXPECTED.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600.
MEAN STORM MOTION VECTOR 27025.


...HALES

375,1002 390,0970 364,0970 353,1002

Tornado Watches in Kansas, 2004Tornado Watches in Oklahoma, 2004Tornado Watches in Texas, 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.