Alert archive / Texas / Tornado Warnings in 2007

Tornado Warning 1, NWS Midland/Odessa, TX

March 11, 2007Pecos County, Texas

NWS Midland/Odessa, TX issued this tornado warning at Mar 11, 2007, 4:35 PM CDT for Pecos County, Texas. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 11, 2007, 4:35 PM CDT (21:35 UTC)
Expired: Mar 11, 2007, 5:30 PM CDT
In force: 55 min
Issued by: NWS Midland/Odessa, TX
Area: Counties, with a storm outline in the text

County Pecos County, TX

The radar

The Midland/Odessa radar (KMAF), 116 km from the middle of the area, began a volume at 21:36 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
Mar 11, 1:58 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 9.6 hours before the alert went out and 117 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: 1106 J/kg
Mixed-layer CIN: -124 J/kg
Mixed-layer LCL: 862 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 165 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMAF 112135
TORMAF
TXC371-112230-
/O.NEW.KMAF.TO.W.0001.070311T2135Z-070311T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
435 PM CDT SUN MAR 11 2007

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL PECOS COUNTY IN SOUTHWEST TEXAS...

* UNTIL 530 PM CDT

* AT 431 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES
  SOUTHWEST OF GIRVIN...OR 12 MILES WEST OF BAKERSFIELD...MOVING
  SOUTHEAST AT 30 MPH.

* THE TORNADO WILL AFFECT THE FOLLOWING LOCATIONS...
  BAKERSFIELD...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR
SOUTHWESTERN TEXAS.

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

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. IF YOU WAIT TO SEE OR HEAR
IT COMING... IT MAY BE TOO LATE TO GET TO A SAFE PLACE. TAKE COVER
NOW.

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

LAT...LON 3099 10262 3083 10254 3065 10223 3092 10201
      3111 10249

$$

1 follow-up statement

000 
WWUS54 KMAF 112158
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
457 PM CDT SUN MAR 11 2007

TXC371-112230-
/O.CON.KMAF.TO.W.0001.000000T0000Z-070311T2230Z/
PECOS TX-
457 PM CDT SUN MAR 11 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR EAST
CENTRAL PECOS COUNTY...

AT 453 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS 
THUNDERSTORM WAS LOCATED NEAR BAKERSFIELD...MOVING SOUTHEAST AT 30 MPH.

PERSONS IN BAKERSFIELD SHOULD TAKE COVER NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR
SOUTHWESTERN TEXAS.

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

LAT...LON 3099 10262 3083 10254 3065 10223 3092 10201
      3111 10249

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 11, 8:55 AM CDT	Severe Thunderstorm Warning	MAF	Gaines	65 min
Mar 11, 3:16 PM CDT	Severe Thunderstorm Warning	MAF	Pecos	59 min
Mar 11, 3:55 PM CDT	Severe Thunderstorm Warning	MAF	Terrell	65 min
Mar 11, 4:05 PM CDT	Severe Thunderstorm Warning	MAF	Glasscock	26 min
Mar 11, 4:10 PM CDT	Flash Flood Warning	MAF	Glasscock	3 hr
Mar 11, 4:10 PM CDT	Severe Thunderstorm Warning	MAF	Pecos	65 min
Mar 11, 4:57 PM CDT	Severe Thunderstorm Warning	MAF	Upton	40 min
Mar 11, 4:57 PM CDT	Severe Thunderstorm Warning	MAF	Terrell	63 min

Nearby

Tornado Warnings in Texas, 2007 Every tornado warning in 2007 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.