Alert archive / Texas / Tornado Watches in 2000

Tornado Watch 765

October 28, 2000Jefferson County, Oklahoma; 60 counties in Texas

The Storm Prediction Center issued this tornado watch at Oct 28, 2000, 3:15 PM CDT for Jefferson County, Oklahoma; 60 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Oct 28, 2000, 3:15 PM CDT (20:15 UTC)
Expired
Oct 28, 2000, 9:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 61 counties

Jefferson County, OK, Archer County, TX, Bandera County, TX, Baylor County, TX, Borden County, TX, Brown County, TX, Callahan County, TX, Clay County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Cottle County, TX, Crockett County, TX, Dickens County, TX, Eastland County, TX, Edwards County, TX, Erath County, TX, Fisher County, TX, Foard County, TX, Garza County, TX, Glasscock County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jack County, TX, Jones County, TX, Kent County, TX, Kerr County, TX, Kimble County, TX, King County, TX, Knox County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Mills County, TX, Mitchell County, TX, Montague County, TX, Motley County, TX, Nolan County, TX, Palo Pinto County, TX, Reagan County, TX, Real County, TX, Runnels County, TX, San Saba 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, Upton County, TX, Val Verde County, TX, Wichita County, TX, Wilbarger County, TX, Young County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Oct 28, 3:18 PM CDTFlash Flood WarningMAFPecos, Reagan, Terrell3 hr
Oct 28, 3:18 PM CDTSevere Thunderstorm WarningSJTSterling72 min
Oct 28, 3:20 PM CDTSevere Thunderstorm WarningLUBCrosby, Dickens40 min
Oct 28, 3:28 PM CDTSevere Thunderstorm WarningMAFTerrell62 min
Oct 28, 3:46 PM CDTFlash Flood WarningMAFGlasscock3 hr
Oct 28, 4:58 PM CDTTornado WarningEWXVal Verde47 min
Oct 28, 5:39 PM CDTSevere Thunderstorm WarningOUNBaylor, Wilbarger51 min
Oct 28, 6:36 PM CDTTornado WarningSJTSutton24 min
Oct 28, 6:57 PM CDTTornado WarningSJTSutton63 min
Oct 28, 7:03 PM CDTTornado WarningEWXEdwards57 min
Oct 28, 7:37 PM CDTTornado WarningSJTKimble53 min
Oct 28, 7:46 PM CDTSevere Thunderstorm WarningSJTMcCulloch44 min
Oct 28, 7:57 PM CDTSevere Thunderstorm WarningEWXEdwards48 min
Oct 28, 8:19 PM CDTSevere Thunderstorm WarningSJTBrown, Coleman56 min
Oct 28, 8:55 PM CDTSevere Thunderstorm WarningSJTKimble35 min
Oct 28, 8:56 PM CDTSevere Thunderstorm WarningFWDMontague49 min

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 8.3 hours before the alert went out and 161 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 2000-10-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 878 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 2000-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 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
878 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

938 
WWUS9 KMKC 282002
SEL5  

SEL5  
MKC WW 281951
TXZ000-290200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 765
STORM PREDICTION CENTER NORMAN OK
251 PM CDT SAT OCT 28 2000

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

   WESTERN AND NORTHERN TEXAS                              

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 315 PM UNTIL 900
PM CDT.

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 105 STATUTE MILES EAST AND WEST
OF A LINE FROM 90 MILES EAST SOUTHEAST OF SANDERSON TEXAS TO 35
MILES WEST NORTHWEST OF WICHITA FALLS 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.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO WATCH
NUMBER 764.  WATCH NUMBER 764 WILL NOT BE IN EFFECT AFTER 315 PM
CDT.  CONTINUE...WW 763...

DISCUSSION...A FEW SUPERCELLS EXPECTED TO PERSIST ALONG BROKEN
SQUALL LINES CROSSING WRN AND NRN TX THIS EVENING...WHERE SHEAR
VECTORS WILL SIGNIFICANTLY LENGTHEN AS NM SHORTWAVE CONTINUES
EWD...AND 60 KT MID LEVEL FLOW BECOMES WSWLY.  SUFFICIENT
INSTABILITY APPEARS PRESENT /PER 18Z MAF SOUNDING/ TO SUPPORT LARGE
HAIL/SMALL SCALE BOWS AND ISOLATED TORNADOES.  

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 500. 
MEAN STORM MOTION VECTOR 22040.

...CORFIDI

340,0971 293,0991 293,1024 340,1005

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 28, 9:45 AM CDTSevere Thunderstorm WatchSPCBeaver, Cimarron, Texas6 hr
Oct 28, 4:00 PM CDTTornado WatchSPCBeaver, Beckham, Custer, Dewey, Ellis, Greer and 10 more5 hr
Oct 28, 11:00 AM CDTTornado WatchSPCAndrews, Borden, Coke, Crane, Crockett, Dawson and 25 more5 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.