Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 154, NWS Midland/Odessa, TX

October 24, 2000Gaines County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Oct 24, 2000, 3:30 PM CDT for Gaines County, Texas. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Oct 24, 2000, 3:30 PM CDT (20:30 UTC)
Expired: Oct 24, 2000, 4:30 PM CDT
In force: 60 min
Issued by: NWS Midland/Odessa, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Gaines County, TX

The radar

The Midland/Odessa radar (KMAF), 89 km from the middle of the area, began a volume at 20:31 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 24, 3:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 8.5 hours before the alert went out and 88 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 559 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 696 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 190 m²/s²
0-3 km storm-relative helicity: 229 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMAF 242031
SVRMAF
TXC165-242130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
330 PM CDT TUE OCT 24 2000

THE MIDLAND-ODESSA NATIONAL WEATHER SERVICE OFFICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL AND EASTERN GAINES COUNTY IN TEXAS

* UNTIL 430 PM CDT

* AT 326 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM 17 MILES SOUTH OF SEMINOLE...MOVING NORTHEAST
  AT 20 MPH.

* SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE...             
  CEDAR LAKE...THE FAIRVIEW COMMUNITY AND SEMINOLE.

HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN
THE WARNED AREA.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

LAT...LON 3253 10285 3253 10255 3281 10221 3293 10256

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 24, 2:50 PM CDT, 40 minutes earlier.

Area forecast discussion, Oct 24, 2:50 PM CDT, 40 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
250 PM CDT TUE OCT 24 2000

SHOWERS/FEW THUNDERSTORMS OCCURRING ACROSS THE NWRN FORECAST AREA.
19Z SFC ANALYSIS INDICATES SELY FLOW E OF MTNS WITH DEWPOINTS
MOSTLY IN THE 60S. VISIBLE SATELLITE IMAGERY DEPICTS ABUNDANT
SUNSHINE ALONG/W OF MTNS WHILE THICKER CLOUDS APPARENT MAF VICINITY
EWD. WATER VAPOR IMAGERY INDICATES UPPER LOW CENTERED OVER ERN UT
WITH JET MAX MOVING EWD ACROSS SONORA/SWRN NM. MODELS APPEARED TO
BE INITIALIZED WELL WITH REGARD TO THE CENTRAL ROCKIES LOW. RUC/ETA/
AVN SIMILAR IN DEPICTING NARROW INSTABILITY AXIS GENERALLY ALONG THE
ERN NM/W TX BORDER THIS EVENING. SFC BASED CAPES PROGGED FROM 1500-
2000 J/KG WITH LI/S APPROACHING MINUS 4. AS NRN MEXICO JET MAX
TRANSLATES EWD DURING NEXT FEW HOURS BELIEVE CONVECTION TO DEVELOP
FAIRLY SIGNIFICANLY E OF MTNS/PECOS RIVER VALLEY. THUS PER SWODY1/
SWOMCD/SPSMAF BELIEVE POTENTIAL EXISTS THIS EVENING FOR SEVERE
THUNDERSTORMS E OF MTNS AND WILL WRITE ZONES ACCORDINGLY. CELLS MAY
MOVE NEWD FAIRLY QUICKLY ALTHOUGH LINE MOVEMENT MAY BE SLOW OR
QUASISTATIONARY. SHEAR PROFILES AND MODEL HODOGRAPHS SUGGEST
SUPERCELL DEVELOPMENT INITIALLY. BELIEVE EVOLUTION TO BECOME
MULTICELLULAR THOUGH. THIS SCENARIO BODES WELL FOR HEAVY RAINFALL DUE
TO CELL TRAINING AND HIGH PWATS ON 24/12Z KMAF SOUNDING. WILL ALSO
ADD MENTION LOCALLY HEAVY RAINFALL TONIGHT. CENTRAL ROCKIES TROUGH TO
MOVE EWD WED. WILL KEEP MOSTLY CLOUDY/CHANCE PCPN E OF MTNS AS AMPLE
MOISTURE TO REMAIN ALONG WITH MID LEVEL FORCING PER H7-H5 NEG DIV Q
FIELDS. BEST PCPN CHANCES ACROSS CENTRAL/ERN SECTIONS WED NIGHT AND
WILL NOT MENTION POPS FOR WRN SECTIONS. SHORTWAVE RIDGING PROGGED
ACROSS THE AREA THURSDAY. THUS WILL FCST PARTLY CLOUDY WITH TEMPS A
CATEGORY OR SO WARMER VERSUS WED. EXTENDED PROGS INDICATE DIFFERING
SOLUTIONS REGARDING THE W COAST/SWRN U.S. LOW PRESSURE SYSTEMS. GIVEN
THE UNCERTAINTY WILL OPT FOR A DRY EXTENDED PERIOD WITH TEMPS NEAR
SEASONAL NORMALS FOR LATE OCT.
BF

MAF  60/70/57/74   5432
LSA  58/69/55/72   6543
6R6  62/73/60/75   5432
MRF  51/71/50/72   4321
CNM  57/74/55/77   4432

.MAF...
TX...NONE.
NM...2NONE.

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 23, 9:21 PM CDT	Flash Flood Warning	MAF	Terrell	4 hr
Oct 23, 9:33 PM CDT	Flash Flood Warning	MAF	Reagan, Upton	4 hr
Oct 24, 7:31 AM CDT	Flash Flood Warning	MAF	Gaines	3 hr
Oct 24, 3:03 PM CDT	Flash Flood Warning	MAF	Andrews, Gaines	3 hr
Oct 24, 5:07 PM CDT	Severe Thunderstorm Warning	MAF	Ector, Winkler	53 min
Oct 24, 5:21 PM CDT	Tornado Warning	MAF	Ector	24 min
Oct 24, 5:45 PM CDT	Tornado Warning	MAF	Ector	45 min
Oct 24, 6:19 PM CDT	Flash Flood Warning	MAF	Ector, Winkler	3 hr
Oct 24, 6:30 PM CDT	Severe Thunderstorm Warning	MAF	Ector	45 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000 Every severe thunderstorm warning 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.