Tornado Watch 147

Issued

Apr 24, 2002, 2:30 PM CDT (19:30 UTC)

Expired

Apr 24, 2002, 8:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

The St Louis radar (KLSX), 70 km from the middle of the area, began a volume at 19:33 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 241924
SEL7  
SPC WW 241919
ILZ000-MOZ000-250100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 147
STORM PREDICTION CENTER NORMAN OK
219 PM CDT WED APR 24 2002

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

   CENTRAL AND SOUTHERN ILLINOIS                           
   SOUTH-CENTRAL AND SOUTHEASTERN MISSOURI                        
  
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 230 PM UNTIL
800 PM 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 ALONG AND 110 STATUTE MILES EAST AND WEST
OF A LINE FROM 35 MILES WEST SOUTHWEST OF POPLAR BLUFF MISSOURI TO
35 MILES NORTH NORTHWEST OF DECATUR ILLINOIS.

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 SEVERE
THUNDERSTORM WATCH NUMBER 145.  WATCH NUMBER 145 WILL NOT BE IN
EFFECT AFTER 230 PM CDT.  CONTINUE...WW 146...

DISCUSSION...LINE OF STORMS INCLUDING SUPERCELLS WILL CONTINUE
ESEWD ACROSS WW.  LARGE PRESSURE FALL CENTER AND RESULTANT SLY LOW
LEVEL FLOW WILL INCREASE THE POTENTIAL FOR SUPERCELLS AND
TORNADOES.  VERY LARGE HAIL AND SEVERE WIND GUSTS CAN ALSO BE
EXPECTED.


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 28040.


...EVANS

401,0870 363,0890 363,0930 401,0911

WWUS20 KWNS 241924
SEL7  
SPC WW 241919
ILZ000-MOZ000-250100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 147
STORM PREDICTION CENTER NORMAN OK
219 PM CDT WED APR 24 2002

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

   CENTRAL AND SOUTHERN ILLINOIS                           
   SOUTH-CENTRAL AND SOUTHEASTERN MISSOURI                        
  
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 230 PM UNTIL
800 PM 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 ALONG AND 110 STATUTE MILES EAST AND WEST
OF A LINE FROM 35 MILES WEST SOUTHWEST OF POPLAR BLUFF MISSOURI TO
35 MILES NORTH NORTHWEST OF DECATUR ILLINOIS.

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 SEVERE
THUNDERSTORM WATCH NUMBER 145.  WATCH NUMBER 145 WILL NOT BE IN
EFFECT AFTER 230 PM CDT.  CONTINUE...WW 146...

DISCUSSION...LINE OF STORMS INCLUDING SUPERCELLS WILL CONTINUE
ESEWD ACROSS WW.  LARGE PRESSURE FALL CENTER AND RESULTANT SLY LOW
LEVEL FLOW WILL INCREASE THE POTENTIAL FOR SUPERCELLS AND
TORNADOES.  VERY LARGE HAIL AND SEVERE WIND GUSTS CAN ALSO BE
EXPECTED.


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 28040.


...EVANS

401,0870 363,0890 363,0930 401,0911

Tornado Watches in Illinois, 2002Tornado Watches in Missouri, 2002Tornado Watches in Indiana, 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.