Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 11, NWS Midland/Odessa, TX

February 25, 2000Glasscock County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Feb 25, 2000, 1:15 AM CST for Glasscock 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: Feb 25, 2000, 1:15 AM CST (07:15 UTC)
Expired: Feb 25, 2000, 2:15 AM CST
In force: 60 min
Issued by: NWS Midland/Odessa, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Glasscock County, TX

The radar

The Midland/Odessa radar (KMAF), 69 km from the middle of the area, began a volume at 07:18 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
Feb 25, 12:00 AM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 7.3 hours before the alert went out and 70 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: 1080 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 1676 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 74 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMAF 250715
SVRMAF
TXC173-250815-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
115 AM CST FRI FEB 25 2000

THE MIDLAND-ODESSA NATIONAL WEATHER SERVICE OFFICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GLASSCOCK COUNTY IN TEXAS

* UNTIL 215 AM CST

* AT 113 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  LINE OF SEVERE THUNDERSTORMS FROM 7 MILES NORTHEAST OF GARDEN CITY
  TO 5 MILES EAST OF BIGBY CORNER...MOVING NORTHEAST AT 30 MPH.

* SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE...             
  ST. LAWRENCE AND GARDEN CITY AND BIGBY CORNER.

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN
EXCESS OF 57 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

A TORNADO WATCH ALSO REMAINS IN EFFECT FOR THIS AREA.

LAT...LON 3168 10172 3168 10134 3189 10129 3209 10130

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 Feb 24, 3:20 PM CST, 9 hours 55 minutes earlier.

Area forecast discussion, Feb 24, 3:20 PM CST, 9 hours 55 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIDLAND TX
320 PM CST THU FEB 24 2000

POTENT NEGATIVELY TILTED UPPER TROUGH/LOW MOVING INTO WESTERN UTAH
AT THE MOMENT. LOW LEVEL WINDS HAVE BACKED TO THE SOUTH ALL THE WAY
WESTWARD TO THE NEW MEXICO MOUNTAINS IN RESPONSE TO APPROACH OF
TROUGH. EXPECTING LOW LEVEL MOISTURE TO CONTINUE TO INCREASE
THIS EVENING AND TONIGHT AS TROUGH CONTINUES TO APPROACH REGION. DRY
LINE WILL ALSO SHARPEN WITH COLD AIR ADVECTION BEGINNING IN THE MID
LEVELS THIS EVENING. DESPITE EXTENSIVE HIGH CLOUD SHIELD TO THE WEST
STILL EXPECTING STRENGTH OF UPPER TROUGH TO TRIGGER CONVECTION THIS
EVENING AND TONIGHT IN THE EASTERN HALF OF THE PERMIAN BASIN AHEAD
OF THE DRY LINE. WILL INCLUDE CHANCE OF THUNDERSTORMS INCLUDING AND
EAST OF AN ANDREWS...ODESSA...FORT STOCKTON LINE AND MENTION
POSSIBLE SEVERE. WILL GO WITH WINDY WORDING BEHIND DRY LINE ALL
AREAS PER GRADIENT. WILL ISSUE A HIGH WIND WARNING TONIGHT FOR THE
GUADALUPE MOUNTAINS AS 50 KNOT 700 MILLIBAR WEST WIND TRANSLATES
INTO THE REGION LATER TONIGHT.

STRONG WIND FIELDS TO OCCUR FRIDAY PARTICULARLY ACROSS THE NORTHERN
THIRD OF THE COUNTY WARNING AREA AND MOUNTAINS. CHECKLIST INDICATES
POSSIBLE HIGH WIND EVENT IN NORTHERN LOWLANDS AND PROBABLE IN THE
MOUNTAINS. WILL ISSUE A HIGH WIND WATCH FOR THE NORTHERN LOWLANDS
AND WARNING FOR THE DAVIS AND GUADALUPE MOUNTAINS. WITH THE STRONG
WINDS WILL MENTION BLOWING DUST.

WEATHER TO QUIET DOWN FRIDAY NIGHT AND SATURDAY BUT STRENGTH OF
DEPARTING SYSTEM WILL KEEP WINDS AND TEMPERATURES UP FRIDAY NIGHT
WITH MENTION OF WINDY WORDING ACR0SS THE NORTHERN THIRD OF THE
COUNTY WARNING AREA ON SATURDAY.

IN THE EXTENDED NEXT AMPLIFIED DISTURBANCE DUE INTO SOUTHERN PLAINS
ON MONDAY. ECMWF AND UKMET HAVE BECOME MORE IN AGREEMENT WITH MRF ON
AMPLIFICATION OF THIS SYSTEM. MENTIONED A SLIGHT CHANCE OF
THUNDERSTORMS ACROSS EASTERN COUNTY WARNING AREA AHEAD OF DRY LINE
ON MONDAY. TEMPERATURES TO REMAIN ABOVE SEASONAL NORMALS.

MAF  47/67/40/70  3000
LSA  45/65/37/67  3000
E41  46/67/40/68  3000
6R6  52/72/45/73  3000
MRF  38/65/33/62  -000
CNM  43/67/37/72  0000

.MAF...
TX...HIGH WIND WARNING TONIGHT AND FRIDAY GUADALUPE MOUNTAINS AND
GUADALUPE PASS TXZ-057. HIGH WIND WATCH FRIDAY FOR THE NORTHERN
HALF OF THE PERMIAN BASIN AND DAVIS MOUNTAINS
TXZ045>048-050>053-058>063-067-074

NM...HIGH WIND WARNING TONIGHT AND FRIDAY FOR THE GUADALUPE
MOUNTAINS OF EDDY COUNTY TXZ-027. HIGH WIND WATCH FRIDAY FOR EDDY
AND LEA COUNTY PLAINS TXZ-028>029

12

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 24, 11:24 PM CST	Severe Thunderstorm Warning	MAF	Borden, Howard	51 min
Feb 24, 11:49 PM CST	Severe Thunderstorm Warning	MAF	Glasscock, Midland	56 min
Feb 25, 12:00 AM CST	Severe Thunderstorm Warning	MAF	Scurry	60 min
Feb 25, 12:16 AM CST	Severe Thunderstorm Warning	MAF	Howard	59 min
Feb 25, 12:29 AM CST	Severe Thunderstorm Warning	MAF	Upton	61 min
Feb 25, 12:33 AM CST	Tornado Warning	MAF	Glasscock	42 min
Feb 25, 12:50 AM CST	Severe Thunderstorm Warning	MAF	Reagan	55 min
Feb 25, 12:51 AM CST	Severe Thunderstorm Warning	MAF	Mitchell	54 min
Feb 25, 12:59 AM CST	Severe Thunderstorm Warning	MAF	Scurry	61 min
Feb 25, 1:45 AM CST	Severe Thunderstorm Warning	MAF	Reagan	60 min
Feb 25, 1:51 AM CST	Severe Thunderstorm Warning	MAF	Borden, Howard, Mitchell, Scurry	54 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.