Alert archive / Texas / Tornado Watches in 2000

Tornado Watch 44

February 22, 200040 counties in Texas

The Storm Prediction Center issued this tornado watch at Feb 22, 2000, 1:15 PM CST for 40 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Feb 22, 2000, 1:15 PM CST (19:15 UTC)
Expired
Feb 22, 2000, 7:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 40 counties

Borden County, TX, Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Crockett County, TX, Eastland County, TX, Edwards County, TX, Fisher County, TX, Garza County, TX, Glasscock County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Kent County, TX, Kerr County, TX, Kimble County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Real County, TX, Runnels County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Stephens County, TX, Sterling County, TX, Stonewall County, TX, Sutton County, TX, Taylor County, TX, Terrell County, TX, Throckmorton County, TX, Tom Green County, TX, Val Verde County, TX, Young County, TX

The radar

The San Angelo radar (KSJT), 32 km from the middle of the area, began a volume at 19:17 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Feb 22, 1:20 PM CSTTornado WarningMAFGlasscock, Reagan25 min
Feb 22, 2:37 PM CSTSevere Thunderstorm WarningMAFMitchell38 min
Feb 22, 2:40 PM CSTSevere Thunderstorm WarningSJTFisher, Nolan50 min
Feb 22, 3:24 PM CSTSevere Thunderstorm WarningSJTNolan, Taylor66 min
Feb 22, 4:17 PM CSTTornado WarningSJTTaylor43 min
Feb 22, 4:33 PM CSTSevere Thunderstorm WarningSJTCallahan, Shackelford57 min
Feb 22, 5:43 PM CSTSevere Thunderstorm WarningSJTCallahan32 min
Feb 22, 5:58 PM CSTSevere Thunderstorm WarningFWDStephens47 min
Feb 22, 6:14 PM CSTSevere Thunderstorm WarningFWDEastland46 min

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 7.3 hours before the alert went out and 171 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, Midland Regional, TX at 12:00Z on 2000-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 350 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 2000-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 255 square meters per square second.1939587897Sfc1 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
350 J/kg
Mixed-layer CIN
-278 J/kg
Mixed-layer LCL
1040 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
255 m²/s²
0-3 km storm-relative helicity
269 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

166 
WWUS9 KMKC 221856
SEL4  

SEL4  
MKC WW 221856
TXZ000-230100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 44
STORM PREDICTION CENTER NORMAN OK
1256 PM CST TUE FEB 22 2000

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

   NORTHWEST...CENTRAL AND SOUTHWEST TEXAS                        
     
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 115 PM UNTIL 700
PM CST.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 90 STATUTE MILES EAST AND WEST
OF A LINE FROM 90 MILES SOUTHWEST OF JUNCTION TEXAS TO 70 MILES
NORTH OF ABILENE TEXAS.

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...THUNDERSTORMS EXPECTED TO INTENSIFY THIS AFTERNOON  
OVER W TX AS PACIFIC COLD FRONT AND ASSOCIATED UPPER TROUGH
OVERTAKE SURFACE DRY LINE.  HODOGRAPHS SHOULD LENGTHEN WITH
TIME...ESPECIALLY ACROSS SRN HALF OF WATCH AREA...AS NRN NEXICO
SPEED MAX CONTINUES EWD.  THIS SHOULD ENHANCE SUPERCELL/POSSIBLE
TORNADO POTENTIAL DESPITE LINEAR FORCING OF DRY LINE.  
 
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. 
MEAN STORM MOTION VECTOR 23040.

...CORFIDI

332,0980 293,0991 293,1021 332,1011

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 22, 2:30 PM CSTSevere Thunderstorm WatchSPCArcher, Baylor, Childress, Clay, Collingsworth, Cottle and 9 more6 hr

Nearby

Tornado Watches in Texas, 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; radar from the NEXRAD Level II archive.