Tornado Watch 250

Issued

May 7, 2002, 4:00 PM CDT (21:00 UTC)

Expired

May 7, 2002, 10:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

The Vance AFB radar (KVNX), 81 km from the middle of the area, began a volume at 21:03 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.

000 
WWUS20 KWNS 072053
SEL0  
SPC WW 072047
KSZ000-OKZ000-080300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 250
STORM PREDICTION CENTER NORMAN OK
347 PM CDT TUE MAY 7 2002

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

   CENTRAL AND NORTHEAST KANSAS                             
   NORTHWEST AND NORTH CENTRAL OKLAHOMA                           

EFFECTIVE THIS TUESDAY 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 EAST AND WEST
OF A LINE FROM 50 MILES EAST SOUTHEAST OF GAGE OKLAHOMA TO 35 MILES
NORTHWEST OF MANHATTAN 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 248...WW 249...

DISCUSSION...STRONG SURFACE DRYLINE EXTENDS FROM COLD FRONTAL
BOUNDARY JUST EAST OF DDC SWWD INTO THE TX PANHANDLE.  INSOLATION
HAS DESTABILIZED PART OF CENTRAL KS WHERE SURFACE BASED CAPE IS NOW
BETWEEN 4000 AND 5000 J/KG.  VAD WIND PROFILES SHOW THAT LOW LEVEL
WINDS HAVE BACKED ACROSS CENTRAL KS INCREASING DEEP LAYER SHEAR
ACROSS THE REGION.  CAP STILL PREVALENT SWD INTO WRN OK...AND WILL
CONTINUE TO MONITOR THIS AREA FOR FURTHER DEVELOPMENT.


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 25040.


...MCCARTHY

392,0953 360,0973 360,1002 392,0983

WWUS20 KWNS 072053
SEL0  
SPC WW 072047
KSZ000-OKZ000-080300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 250
STORM PREDICTION CENTER NORMAN OK
347 PM CDT TUE MAY 7 2002

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

   CENTRAL AND NORTHEAST KANSAS                             
   NORTHWEST AND NORTH CENTRAL OKLAHOMA                           

EFFECTIVE THIS TUESDAY 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 EAST AND WEST
OF A LINE FROM 50 MILES EAST SOUTHEAST OF GAGE OKLAHOMA TO 35 MILES
NORTHWEST OF MANHATTAN 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 248...WW 249...

DISCUSSION...STRONG SURFACE DRYLINE EXTENDS FROM COLD FRONTAL
BOUNDARY JUST EAST OF DDC SWWD INTO THE TX PANHANDLE.  INSOLATION
HAS DESTABILIZED PART OF CENTRAL KS WHERE SURFACE BASED CAPE IS NOW
BETWEEN 4000 AND 5000 J/KG.  VAD WIND PROFILES SHOW THAT LOW LEVEL
WINDS HAVE BACKED ACROSS CENTRAL KS INCREASING DEEP LAYER SHEAR
ACROSS THE REGION.  CAP STILL PREVALENT SWD INTO WRN OK...AND WILL
CONTINUE TO MONITOR THIS AREA FOR FURTHER DEVELOPMENT.


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 25040.


...MCCARTHY

392,0953 360,0973 360,1002 392,0983

Tornado Watches in Kansas, 2002Tornado Watches in Oklahoma, 2002Every tornado watch in 2002

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.