Alert archive / Texas / Tornado Watches in 2000

Tornado Watch 71

March 7, 200015 counties in Oklahoma; 39 counties in Texas

The Storm Prediction Center issued this tornado watch at Mar 7, 2000, 2:30 PM CST for 15 counties in Oklahoma; 39 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 7, 2000, 2:30 PM CST (20:30 UTC)
Expired
Mar 7, 2000, 8:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 54 counties

Beaver County, OK, Beckham County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kiowa County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Baylor County, TX, Brown County, TX, Callahan County, TX, Childress County, TX, Coke County, TX, Coleman County, TX, Collingsworth County, TX, Concho County, TX, Cottle County, TX, Dickens County, TX, Donley County, TX, Fisher County, TX, Foard County, TX, Gray County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Hemphill County, TX, Irion County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Lipscomb County, TX, McCulloch County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Ochiltree County, TX, Roberts County, TX, Runnels County, TX, Scurry County, TX, Shackelford County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Wheeler County, TX, Wilbarger County, TX

Warnings issued inside it

29 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 7, 3:00 PM CSTSevere Thunderstorm WarningAMADonley, Gray60 min
Mar 7, 3:37 PM CSTSevere Thunderstorm WarningAMARoberts53 min
Mar 7, 3:40 PM CSTSevere Thunderstorm WarningSJTIrion, Tom Green65 min
Mar 7, 3:45 PM CSTSevere Thunderstorm WarningAMAWheeler45 min
Mar 7, 3:49 PM CSTSevere Thunderstorm WarningAMAOchiltree56 min
Mar 7, 3:57 PM CSTSevere Thunderstorm WarningAMAHemphill, Lipscomb63 min
Mar 7, 4:04 PM CSTSevere Thunderstorm WarningOUNHardeman41 min
Mar 7, 4:11 PM CSTSevere Thunderstorm WarningOUNHarmon49 min
Mar 7, 4:16 PM CSTSevere Thunderstorm WarningOUNFoard44 min
Mar 7, 4:18 PM CSTSevere Thunderstorm WarningOUNBeckham, Roger Mills42 min
Mar 7, 4:22 PM CSTSevere Thunderstorm WarningOUNJackson38 min
Mar 7, 4:25 PM CSTSevere Thunderstorm WarningOUNGreer50 min
Mar 7, 4:29 PM CSTSevere Thunderstorm WarningSJTCallahan, Taylor46 min
Mar 7, 4:32 PM CSTSevere Thunderstorm WarningAMABeaver58 min
Mar 7, 4:35 PM CSTSevere Thunderstorm WarningOUNBaylor, Wilbarger40 min
Mar 7, 4:48 PM CSTSevere Thunderstorm WarningSJTThrockmorton42 min
Mar 7, 4:55 PM CSTSevere Thunderstorm WarningOUNJackson50 min
Mar 7, 4:56 PM CSTSevere Thunderstorm WarningOUNBeckham, Washita49 min
Mar 7, 4:56 PM CSTSevere Thunderstorm WarningOUNRoger Mills49 min
Mar 7, 4:58 PM CSTSevere Thunderstorm WarningSJTColeman47 min
Mar 7, 4:59 PM CSTSevere Thunderstorm WarningOUNKiowa46 min
Mar 7, 5:06 PM CSTSevere Thunderstorm WarningOUNTillman39 min
Mar 7, 5:10 PM CSTSevere Thunderstorm WarningOUNBaylor, Wilbarger50 min
Mar 7, 5:18 PM CSTSevere Thunderstorm WarningOUNHarper42 min
Mar 7, 5:23 PM CSTSevere Thunderstorm WarningSJTBrown67 min
Mar 7, 5:23 PM CSTSevere Thunderstorm WarningSJTCallahan52 min
Mar 7, 5:31 PM CSTSevere Thunderstorm WarningOUNCuster, Washita44 min
Mar 7, 5:48 PM CSTSevere Thunderstorm WarningOUNKiowa27 min
Mar 7, 6:26 PM CSTSevere Thunderstorm WarningSJTBrown49 min

The nearest sounding before it

Fort Sill, OK (KFSI), launched 12:00Z, 8.5 hours before the alert went out and 202 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Fort Sill, OK at 12:00Z on 2000-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Sill, OK at 12:00Z on 2000-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
42 J/kg
Mixed-layer CIN
-290 J/kg
Mixed-layer LCL
631 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS9 KMKC 072002
MKC WW 072002
OKZ000-TXZ000-080200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 71
STORM PREDICTION CENTER NORMAN OK
202 PM CST TUE MAR 7 2000

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

   WESTERN OKLAHOMA                           
   NORTHWEST TEXAS                              

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 230 PM UNTIL 800
PM CST.

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 60 STATUTE MILES EAST AND WEST
OF A LINE FROM 30 MILES EAST SOUTHEAST OF SAN ANGELO TEXAS TO 50
MILES NORTH OF GAGE 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 68...WW 69...WW 70...

DISCUSSION...SQUALL LINE HAS FORMED WRN TX AND WILL MOVE RAPIDLY N
AND E INTO WRN OK/NWRN TX.  INSTABILITY AND WIND PROFILES WILL
BECOME INCREASINGLY FAVORABLE FOR SUPERCELLS AND TORNADOES AS LINE
MOVES EWD INTO DEEPER UNSTABLE AIRMASS.


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 500. 
MEAN STORM MOTION VECTOR 24040.


...HALES

;370,0984 311,0990 311,1010 370,1005;

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 7, 12:00 PM CSTTornado WatchSPCCimarron, Texas5 hr
Mar 7, 5:30 PM CSTTornado WatchSPCAlfalfa, Atoka, Blaine, Bryan, Caddo, Canadian and 36 more6 hr

Nearby

Tornado Watches in Texas, 2000Tornado Watches in Oklahoma, 2000Every tornado watch in 2000

Sources

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.