Alert archive / Texas / Tornado Warnings in 2007

Tornado Warning 18, NWS Midland/Odessa, TX

April 23, 2007Howard County, Mitchell County, Texas

NWS Midland/Odessa, TX issued this tornado warning at Apr 23, 2007, 6:28 PM CDT for Howard County, Mitchell County, Texas. It was in force for 47 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 23, 2007, 6:28 PM CDT (23:28 UTC)
Expired
Apr 23, 2007, 7:15 PM CDT
In force
47 min
Issued by
NWS Midland/Odessa, TX
Area
Counties, with a storm outline in the text

Counties Howard County, TX, Mitchell County, TX

The radar

The Midland/Odessa radar (KMAF), 91 km from the middle of the area, began a volume at 23:30 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.

What was reported inside it

TimeReportWhereRemark
Apr 23, 6:34 PM CDTHAIL 1.751 N Coahoma, TXGOLFBALL SIZE HAIL 1 MILE NORTH OF COAHOMA.
Apr 23, 7:09 PM CDTTORNADO9 W Westbrook, TXFUNNEL 1/2 WAY TO GROUND.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 23, 5:35 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 11.5 hours before the alert went out and 91 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 2007-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 820 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 2007-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 196 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
820 J/kg
Mixed-layer CIN
-206 J/kg
Mixed-layer LCL
1281 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
196 m²/s²
0-3 km storm-relative helicity
198 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMAF 232329
TORMAF
TXC227-335-240015-
/O.NEW.KMAF.TO.W.0018.070423T2328Z-070424T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
628 PM CDT MON APR 23 2007

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL HOWARD COUNTY IN WEST TEXAS...
  WEST CENTRAL MITCHELL COUNTY IN WEST TEXAS...

* UNTIL 715 PM CDT

* AT 625 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO JUST NORTHWEST
  OF BIG SPRING...MOVING EAST AT 25 MPH.

* THE TORNADO WILL AFFECT THE FOLLOWING LOCATIONS...
  MIDWAY...
  SAND SPRINGS...
  COAHOMA...
  INTERSTATE 20 FROM BIG SPRING TO COAHOMA...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT MONDAY EVENING
FOR WEST TEXAS.

A TORNADO MAY FORM AT ANY TIME... TAKE COVER NOW. ABANDON MOBILE
HOMES AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS.

TO REPORT SEVERE WEATHER ONLY... CALL THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN MIDLAND AT 1 800 597 3220.

LAT...LON 3233 10150 3226 10148 3226 10109 3245 10113

$$
1 follow-up statement
000 
WWUS54 KMAF 232349
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
649 PM CDT MON APR 23 2007

TXC227-335-240015-
/O.CON.KMAF.TO.W.0018.000000T0000Z-070424T0015Z/
HOWARD TX-MITCHELL TX-
649 PM CDT MON APR 23 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR WEST
CENTRAL MITCHELL AND EAST CENTRAL HOWARD COUNTIES...

AT 645 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT STRONG ROTATION IN A SEVERE THUNDERSTORM 9 MILES EAST OF
COAHOMA...OR ABOUT 18 MILES WEST OF COLORADO CITY...MOVING EAST AT 25
MPH.  A TORNADO MAY DEVELOP AT ANY TIME.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT MONDAY EVENING
FOR WEST TEXAS.

BRIDGES AND OVERPASSES DO NOT PROVIDE PROTECTION FROM TORNADIC WINDS.
VEHICLES STOPPED UNDER BRIDGES AND OVERPASSES BLOCK TRAFFIC AND
PREVENT OTHERS FROM REACHING SAFETY. IF YOU CANNOT SAFELY DRIVE AWAY
FROM THE TORNADO... SEEK SHELTER IN A CULVERT... DITCH... OR A LOW
LYING AREA AWAY FROM YOUR VEHICLE. LIE FLAT AND COVER YOUR HEAD WITH
YOUR HANDS.

TO REPORT SEVERE WEATHER ONLY... CALL THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN MIDLAND AT 1 800 597 3220.

LAT...LON 3233 10150 3226 10148 3226 10109 3245 10113

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 4:50 AM CDTHigh Wind WarningMAF41 hr
Apr 23, 3:24 PM CDTWind AdvisoryMAFAndrews, Gaines, Loving, Ward, Winkler31 hr
Apr 23, 3:42 PM CDTRed Flag WarningMAFAndrews, Borden, Crane, Dawson, Ector, Gaines and 12 more30 hr
Apr 23, 5:10 PM CDTSevere Thunderstorm WarningMAFMidland25 min
Apr 23, 5:20 PM CDTSevere Thunderstorm WarningMAFMartin40 min
Apr 23, 5:40 PM CDTSevere Thunderstorm WarningMAFHoward65 min
Apr 23, 6:08 PM CDTSevere Thunderstorm WarningMAFBorden67 min
Apr 23, 6:56 PM CDTSevere Thunderstorm WarningMAFMitchell, Scurry64 min

Nearby

Tornado Warnings in Texas, 2007Every tornado warning in 2007Tornadoes in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.