Alert archive / Texas / Tornado Watches in 2000

Tornado Watch 764

October 28, 2000Lea County, New Mexico; 31 counties in Texas

The Storm Prediction Center issued this tornado watch at Oct 28, 2000, 10:00 AM MDT for Lea County, New Mexico; 31 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Oct 28, 2000, 10:00 AM MDT (16:00 UTC)
Expired
Oct 28, 2000, 3:00 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center
All 32 counties

Lea County, NM, Andrews County, TX, Borden County, TX, Coke County, TX, Crane County, TX, Crockett County, TX, Dawson County, TX, Ector County, TX, Gaines County, TX, Garza County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Kent County, TX, Loving County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Pecos County, TX, Reagan County, TX, Reeves County, TX, Schleicher County, TX, Scurry County, TX, Sterling County, TX, Sutton County, TX, Terry County, TX, Tom Green County, TX, Upton County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX

The radar

The Midland/Odessa radar (KMAF), 54 km from the middle of the area, began a volume at 16:15 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
Oct 28, 12:18 PM MDTSevere Thunderstorm WarningMAFGaines42 min
Oct 28, 12:31 PM MDTSevere Thunderstorm WarningMAFPecos59 min
Oct 28, 12:35 PM MDTSevere Thunderstorm WarningSJTSutton55 min
Oct 28, 1:28 PM MDTSevere Thunderstorm WarningMAFPecos62 min
Oct 28, 1:31 PM MDTSevere Thunderstorm WarningSJTCrockett74 min
Oct 28, 1:57 PM MDTFlash Flood WarningMAFUpton3 hr
Oct 28, 2:18 PM MDTFlash Flood WarningMAFPecos, Reagan, Terrell3 hr
Oct 28, 2:18 PM MDTSevere Thunderstorm WarningSJTSterling72 min
Oct 28, 2:46 PM MDTFlash Flood WarningMAFGlasscock3 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 4.0 hours before the alert went out and 53 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.

970 
WWUS9 KMKC 281546
SEL4  

SEL4  
MKC WW 281536
NMZ000-TXZ000-282100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 764
STORM PREDICTION CENTER NORMAN OK
1036 AM CDT SAT OCT 28 2000

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

   SOUTHEAST NEW MEXICO                         
   WESTERN AND SOUTHWEST TEXAS                              

EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 1100 AM UNTIL
400 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 110 STATUTE MILES EAST AND WEST
OF A LINE FROM 65 MILES NORTHEAST OF HOBBS NEW MEXICO TO 60 MILES
SOUTHEAST OF FORT STOCKTON 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...  CONTINUE...WW 763...

DISCUSSION...THUNDERSTORMS FORMING ATTM ALONG COLD FRONT IN SE NM
EXPECTED TO INTENSIFY AS ASSOCIATED UPPER SYSTEM BEGINS TO
ACCELERATE NEWD EARLY THIS AFTERNOON.  APPROACH OF UPPER SYSTEM AND
50-60 KT MID-LEVEL SWLY JET WILL LENGTHEN SHEAR VECTORS ACROSS
REGION.  COUPLED WITH HIGH SURFACE DEWPOINTS AND SSELY LOW-LEVEL
FLOW...MAIN CONVECTIVE MODE SHOULD BE A SEGMENTED SQUALL LINE WITH
EMBEDDED SUPERCELLS/ISOLATED TORNADOES AS ACTIVITY ENCOUNTERS
WARMING SURFACE ENVIRONMENT ACROSS W TX.  

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

331,1003 301,1002 301,1040 331,1041

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 28, 8:45 AM MDTSevere Thunderstorm WatchSPCCurry, Harding, Quay, Roosevelt, Union6 hr
Oct 28, 2:15 PM MDTTornado WatchSPCArcher, Bandera, Baylor, Borden, Brown, Callahan and 54 more6 hr
Oct 28, 3:00 PM MDTTornado WatchSPCArmstrong, Briscoe, Carson, Childress, Collingsworth, Donley and 10 more5 hr

Nearby

Tornado Watches in Texas, 2000Tornado Watches in New Mexico, 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.