Severe Thunderstorm Watch 430

Issued

Jun 14, 2001, 6:30 PM CDT (23:30 UTC)

Expired

Jun 15, 2001, 12:00 AM CDT

In force

6 hr

Issued by

the Storm Prediction Center

The Chicago radar (KLOT), 83 km from the middle of the area, began a volume at 23:26 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 
WWUS9 KMKC 142308
SEL0  

SEL0  
MKC WW 142304
ILZ000-WIZ000-150500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 430
STORM PREDICTION CENTER NORMAN OK
604 PM CDT THU JUN 14 2001

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   NORTHERN AND CENTRAL ILLINOIS                           
   EASTERN WISCONSIN                          
   LAKE MICHIGAN
  
EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 630 PM UNTIL
MIDNIGHT CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 60 STATUTE MILES
EAST AND WEST OF A LINE FROM 20 MILES SOUTH SOUTHWEST OF DECATUR
ILLINOIS TO 20 MILES NORTH OF OSHKOSH WISCONSIN.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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.  SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.

OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES
SEVERE THUNDERSTORM WATCH NUMBER 426.  WATCH NUMBER 426 WILL NOT BE
IN EFFECT AFTER 630 PM CDT.  CONTINUE...WW 424...WW 425...WW
427...WW 428...WW 429...

DISCUSSION...INTENSE SQUALL LINE MOVING RAPIDLY NEWD ACROSS WRN IL.
WITH AIRMASS REMAINING VERY MOIST AND UNSTABLE EWD ACROSS IL AND
SRN WI...POTENTIAL FOR DAMAGING WINDS WILL CONTINUE WITH LINE.


AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.  MEAN STORM
MOTION VECTOR 24045.


...HALES

;441,0872 393,0875 393,0900 441,0894;

Severe Thunderstorm Watches in Illinois, 2001Severe Thunderstorm Watches in Wisconsin, 2001Every severe thunderstorm watch in 2001

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.