Tornado Watch 203

Issued

May 6, 2001, 2:30 PM CDT (19:30 UTC)

Expired

May 6, 2001, 8:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

The Norman radar (KTLX), 34 km from the middle of the area, began a volume at 19:29 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 061855
SEL3  

SEL3  
MKC WW 061850
OKZ000-070100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 203
STORM PREDICTION CENTER NORMAN OK
150 PM CDT SUN MAY 6 2001

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

   CENTRAL AND EASTERN OKLAHOMA                           

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 230 PM UNTIL 800
PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES EAST AND WEST
OF A LINE FROM 25 MILES SOUTH SOUTHWEST OF ARDMORE OKLAHOMA TO 15
MILES NORTH 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.


DISCUSSION... CONVERGENCE ALONG DRY LINE N/S THRU OK WILL AID IN
INITATION OF SEVERE THUNDERSTORMS.  VERY UNSTABLE AIR MASS WITH
CAPES AOA 3000 J/KG SRN OK TO 2500 J/KG NRN OK E OF DRY LINE. 
VEERING SHEAR PROFILES SUPPORT SUPERCELLS GIVEN STRONG
THERMODYNAMICS.  LOW WETBULB ZEROS  LEVELS AND SUPERCELLS COULD
RESULT IN VERY LARGE HAIL 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 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. 
MEAN STORM MOTION VECTOR 27020.


...HALES

;365,0945 335,0960 335,0981 365,0971;

Tornado Watches in Oklahoma, 2001Every tornado 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.