Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 2, NWS Midland/Odessa, TX

May 11, 2001Reeves County, Texas

NWS Midland/Odessa, TX issued this tornado warning at May 11, 2001, 10:20 PM CDT for Reeves County, Texas. It was in force for 40 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: May 11, 2001, 10:20 PM CDT (03:20 UTC)
Expired: May 11, 2001, 11:00 PM CDT
In force: 40 min
Issued by: NWS Midland/Odessa, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Reeves County, TX

The radar

The Midland/Odessa radar (KMAF), 180 km from the middle of the area, began a volume at 03:23 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 nearest sounding before it

Santa Teresa, NM (KEPZ), launched 00:00Z, 3.3 hours before the alert went out and 293 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: 6 J/kg
Mixed-layer CIN: -67 J/kg
Mixed-layer LCL: 4135 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -36 m²/s²
0-3 km storm-relative helicity: 24 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.

000 
WFUS54 KMAF 120321
TORMAF

TXC389-120400-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1020 PM CDT FRI MAY 11 2001

THE MIDLAND-ODESSA NATIONAL WEATHER SERVICE OFFICE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN REEVES COUNTY IN TEXAS

* UNTIL 1100 PM CDT

* AT 1018 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER BALMORHEA...MOVING
  SOUTHWEST AT 15 MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADIC STORM INCLUDE...    
  TOYAVALE...VERHALEN...SARAGOSA AND BALMORHEA.

LARGE HAIL AND DAMAGING THUNDERSTORM WINDS ARE ALSO POSSIBLE WITH
THIS STORM.

NIGHTTIME TORNADOES ARE ESPECIALLY DANGEROUS! TAKE COVER NOW! IF YOU
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A
SAFE PLACE!

THIS UPGRADES THE EARLIER SEVERE THUNDERSTORM WARNING FOR
REEVES COUNTY.

IF YOU SPOT A TORNADO...CONTACT YOUR LOCAL LAW ENFORCEMENT AGENCY AND
ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3105 10395 3079 10361 3109 10349 3126 10384

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 7:13 PM CDT	Severe Thunderstorm Warning	MAF	Ector, Winkler	47 min
May 11, 7:33 PM CDT	Severe Thunderstorm Warning	MAF	Ward, Winkler	42 min
May 11, 8:06 PM CDT	Severe Thunderstorm Warning	MAF	Reeves	39 min
May 11, 8:12 PM CDT	Severe Thunderstorm Warning	MAF	Ward, Winkler	48 min
May 11, 8:42 PM CDT	Severe Thunderstorm Warning	MAF	Reeves, Ward	48 min
May 11, 9:25 PM CDT	Severe Thunderstorm Warning	MAF	Gaines	65 min
May 11, 9:45 PM CDT	Severe Thunderstorm Warning	MAF	Reeves	60 min
May 11, 10:33 PM CDT	Severe Thunderstorm Warning	MAF	Jeff Davis	57 min

Nearby

Tornado Warnings in Texas, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.