Alert archive / Texas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 36, NWS Midland/Odessa, TX

April 7, 2012Crane County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Apr 7, 2012, 6:01 PM CDT for Crane County, Texas. It was in force for 31 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
Apr 7, 2012, 6:01 PM CDT (23:01 UTC)
Expired
Apr 7, 2012, 6:32 PM CDT
In force
31 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon

County Crane County, TX

The radar

The Midland/Odessa radar (KMAF), 63 km from the middle of the area, began a volume at 23:01 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.

IssuedProductOfficeLasted
Apr 7, 3:01 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 11.0 hours before the alert went out and 63 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 2012-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 993 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 2012-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 square meters per square second.193958Sfc1 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
993 J/kg
Mixed-layer CIN
-242 J/kg
Mixed-layer LCL
1189 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
148 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

235 
WUUS54 KMAF 072301
SVRMAF
TXC103-080000-
/O.NEW.KMAF.SV.W.0036.120407T2301Z-120408T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
601 PM CDT SAT APR 7 2012

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN CRANE COUNTY IN WEST TEXAS...

* UNTIL 700 PM CDT

* AT 556 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 11
  MILES NORTHWEST OF CRANE...MOVING SOUTHEAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT THE FOLLOWING LOCATIONS...     
  CRANE...FM 1601 NORTHWEST OF CRANE...US HIGHWAY 385 NEAR CRANE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
SATURDAY EVENING FOR SOUTHWESTERN TEXAS.

&&

LAT...LON 3139 10232 3126 10246 3148 10263 3158 10247
TIME...MOT...LOC 2300Z 327DEG 9KT 3148 10248

$$
1 follow-up statement
206 
WWUS54 KMAF 072332
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
632 PM CDT SAT APR 7 2012

TXC103-072342-
/O.CAN.KMAF.SV.W.0036.000000T0000Z-120408T0000Z/
CRANE TX-
632 PM CDT SAT APR 7 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CRANE COUNTY IS
CANCELLED...

AT 632 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAD WEAKENED.
THEREFORE THE SEVERE THUNDERSTORM WARNING IS CANCELLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
SATURDAY EVENING FOR SOUTHWESTERN TEXAS.

&&

LAT...LON 3139 10232 3126 10246 3148 10263 3158 10247
TIME...MOT...LOC 2332Z 327DEG 9KT 3141 10243

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 8:52 PM CDTSevere Thunderstorm WarningMAFCrane23 min
Apr 6, 9:15 PM CDTSevere Thunderstorm WarningMAFCrane60 min
Apr 6, 10:13 PM CDTSevere Thunderstorm WarningMAFCrane, Upton62 min
Apr 7, 3:07 PM CDTSevere Thunderstorm WarningMAFMitchell53 min
Apr 7, 3:58 PM CDTSevere Thunderstorm WarningMAFMitchell62 min
Apr 7, 4:16 PM CDTTornado WarningMAFMitchell29 min
Apr 7, 4:41 PM CDTTornado WarningMAFMitchell34 min
Apr 7, 4:43 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos62 min
Apr 7, 4:58 PM CDTSevere Thunderstorm WarningMAFMitchell62 min
Apr 7, 5:29 PM CDTAreal Flood AdvisoryMAFMitchell3 hr
Apr 7, 5:34 PM CDTSevere Thunderstorm WarningMAFBrewster56 min
Apr 7, 5:59 PM CDTAreal Flood AdvisoryMAFPecos3 hr
Apr 7, 6:17 PM CDTSevere Thunderstorm WarningMAFGlasscock28 min
Apr 7, 6:43 PM CDTSevere Thunderstorm WarningMAFEctor62 min
Apr 7, 6:45 PM CDTAreal Flood AdvisoryMAFBrewster3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2012Every severe thunderstorm warning in 2012

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.