Tornado Watch 181

Issued

Apr 19, 2000, 10:15 PM CDT (03:15 UTC)

Expired

Apr 20, 2000, 4:00 AM CDT

In force

6 hr

Issued by

the Storm Prediction Center

352 
WWUS9 KMKC 200255
SEL1  

SEL1  
MKC WW 200255
OKZ000-200900-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 181
STORM PREDICTION CENTER NORMAN OK
955 PM CDT WED APR 19 2000

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

   CENTRAL AND EASTERN OKLAHOMA                           

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1015 PM
UNTIL 400 AM 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 20 MILES SOUTHWEST OF ARDMORE OKLAHOMA TO 20 MILES
NORTHEAST OF BARTLESVILLE OKLAHOMA.

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 178...WW 179...WW 180...

DISCUSSION...THUNDERSTORMS ARE BEGINNING TO FORM OVER SW OK AS
LARGE-SCALE FORCING ASSOCIATED WITH UPPER SYSTEM APPROACHES THE
AREA. ADDITIONAL STORMS ARE EXPECTED TO DEVELOP NEWD ALONG
DRYLINE/COLD FRONT OVERNIGHT. STRONG INSTABILITY AND FAVORABLE
SHEAR WILL SUPPORT SUPERCELLS AND ISOLATED TORNADOES.


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 550. 
MEAN STORM MOTION VECTOR 25025.


...VESCIO

365,0941 340,0955 340,0984 365,0971

Tornado Watches in Oklahoma, 2000Every tornado watch in 2000

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.