Tornado Watch 73

Issued

Mar 7, 2000, 5:30 PM CST (23:30 UTC)

Expired

Mar 7, 2000, 11:00 PM CST

In force

6 hr

Issued by

the Storm Prediction Center

015 
WWUS9 KMKC 072309
SEL3  

SEL3  
MKC WW 072309
OKZ000-TXZ000-080500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 73
STORM PREDICTION CENTER NORMAN OK
509 PM CST TUE MAR 7 2000

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

   CENTRAL AND EASTERN OKLAHOMA                           
   NORTH TEXAS                              

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 530 PM UNTIL 1100
PM CST.

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 85 STATUTE MILES EAST AND WEST
OF A LINE FROM 85 MILES SOUTHWEST OF DURANT OKLAHOMA TO 20 MILES
NORTH OF PONCA CITY 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 70...WW 71...WW 72...

DISCUSSION...THREAT FOR WIDESPREAD DAMAGING DERECHO WINDS WITH
EMBEDDED TORNADOES THIS EVENING ACROSS WATCH AREA.  EXISTING SQUALL
LINE OVER WRN OK/NW TX EXPECTED TO ACCELERATE NEWD AS NEW CELL
DEVELOPMENT INTENSIFIES ON DOWNSHEAR SIDE OF WELL-DEVELOPED SURFACE
COLD POOL.  STRONG DPVA OVER KS ASSOCIATED WITH EJECTING UPPER
SHORTWAVE WILL MAINTAIN PRESSURE FALL CENTER OVER KS...KEEPING LOW
LEVEL FLOW BACKED ACROSS WATCH AREA AND ENHANCING POTENTIAL FOR
EMBEDDED SUPERCELLS/TORNADOES.  

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 20045.

...CORFIDI

370,0953 330,0955 330,0985 370,0983

Tornado Watches in Oklahoma, 2000Tornado Watches in Texas, 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.