Tornado Watch 231

Issued

Apr 16, 1998, 1:45 PM EST (18:45 UTC)

Expired

Apr 16, 1998, 8:00 PM EST

In force

6 hr

Issued by

the Storm Prediction Center

The Louisville radar (KLVX), 45 km from the middle of the area, began a volume at 18:49 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.

189 
WWUS9 KMKC 161825
SEL1  
MKC WW 161825
KYZ000-INZ000-OHZ000-170100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 231
STORM PREDICTION CENTER NORMAN OK
125 PM CDT THU APR 16 1998

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

   WESTERN AND CENTRAL KENTUCKY                           
   SOUTHEAST INDIANA                            
   SOUTHWEST OHIO                               

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 145 PM UNTIL 800
PM CDT.

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

THE TORNADO WATCH AREA IS ALONG AND 75 STATUTE MILES EAST AND WEST
OF A LINE FROM 15 MILES SOUTHWEST OF FORT CAMPBELL KENTUCKY TO 50
MILES NORTH NORTHEAST OF DAYTON OHIO.

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 228...WW 230...

DISCUSSION...INCREASING THREAT FOR SUPERCELLS AND POSSIBLE
TORNADOES THIS AFTERNOON AND EVENING AHEAD OF COLD FRONT AS REGION
OF ASCENT ASSOCIATED WITH HIGH LEVEL IMPULSE NOW OVER ERN AR SWEEPS
NEWD.  STRENGTH OF VERTICAL SHEAR...MID LEVEL SW FLOW IN EXCESS OF
70 KTS...INSTABILITY /CAPE TO 1500 J/KG/...AND MODEST FRONTAL
CONVERGENCE SUFFICIENT FOR SUSTAINED UPDRAFT DEVELOPMENT.

AVIATION...TORNADOES AND 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 450. 
MEAN STORM MOTION VECTOR 24045.


...CORFIDI

363,0890 403,0851 403,0822 363,0861

Tornado Watches in Kentucky, 1998Tornado Watches in Indiana, 1998Tornado Watches in Ohio, 1998Every tornado watch in 1998

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.