Alert archive / Texas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 9, NWS Midland/Odessa, TX

March 19, 2012Dawson County, Martin County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Mar 19, 2012, 1:41 AM CDT for Dawson County, Martin County, Texas. It was in force for 64 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
Mar 19, 2012, 1:41 AM CDT (06:41 UTC)
Expired
Mar 19, 2012, 2:45 AM CDT
In force
64 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon

Counties Dawson County, TX, Martin County, TX

The radar

The Midland/Odessa radar (KMAF), 61 km from the middle of the area, began a volume at 06:43 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
Mar 19, 1:50 AM CDTHAIL 2Lenorah, TXPEA SIZE TO 2 INCHES COVERING THE GROUND.
Mar 19, 2:45 AM CDTHAIL 1Ackerly, TXPEA TO QUARTER SIZED HAIL.

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
Mar 18, 10:50 PM CDTSevere Thunderstorm WatchSPC11 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 6.7 hours before the alert went out and 61 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 00:00Z on 2012-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 786 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 00:00Z on 2012-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.19395878Sfc1 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
786 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
2412 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.7

Open this sounding in Storm Lab

The text

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

510 
WUUS54 KMAF 190641
SVRMAF
TXC115-317-190745-
/O.NEW.KMAF.SV.W.0009.120319T0641Z-120319T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
141 AM CDT MON MAR 19 2012

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN DAWSON COUNTY IN WEST TEXAS...
  MARTIN COUNTY IN WEST TEXAS...

* UNTIL 245 AM CDT

* AT 139 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES
  WEST OF COURTNEY...OR 10 MILES NORTH OF MIDLAND...MOVING NORTHEAST
  AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT THE FOLLOWING LOCATIONS...
  COURTNEY...
  TARZAN...
  STANTON...
  GRADY...
  LENORAH...
  BROWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY
MORNING FOR SOUTHWESTERN TEXAS.

&&

LAT...LON 3263 10181 3261 10171 3212 10174 3209 10219
TIME...MOT...LOC 0642Z 230DEG 30KT 3216 10200

$$
1 follow-up statement
289 
WWUS54 KMAF 190659
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
159 AM CDT MON MAR 19 2012

TXC115-317-190745-
/O.CON.KMAF.SV.W.0009.000000T0000Z-120319T0745Z/
DAWSON TX-MARTIN TX-
159 AM CDT MON MAR 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR MARTIN AND SOUTHEASTERN DAWSON COUNTIES...

AT 157 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR LENORAH...OR ABOUT 13 MILES NORTH OF STANTON...MOVING
NORTHEAST AT 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY
MORNING FOR SOUTHWESTERN TEXAS.

&&

LAT...LON 3263 10181 3261 10171 3212 10174 3209 10219
TIME...MOT...LOC 0659Z 230DEG 30KT 3231 10185

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 10:22 PM CDTSevere Thunderstorm WarningMAFAndrews, Gaines53 min
Mar 18, 10:29 PM CDTSevere Thunderstorm WarningMAFEctor, Ward, Winkler61 min
Mar 18, 11:27 PM CDTSevere Thunderstorm WarningMAFEctor, Winkler63 min
Mar 18, 11:47 PM CDTAreal Flood AdvisoryMAFEctor3 hr
Mar 19, 2:09 AM CDTSevere Thunderstorm WarningMAFBorden, Dawson, Howard, Martin, Scurry66 min
Mar 19, 2:45 AM CDTSevere Thunderstorm WarningMAFHoward, Martin39 min
Mar 19, 3:19 AM CDTSevere Thunderstorm WarningMAFMidland, Upton56 min
Mar 19, 3:21 AM CDTWind AdvisoryMAFLoving, Ward, Winkler16 hr
Mar 19, 3:46 AM CDTTornado WarningMAFGlasscock, Midland29 min
Mar 19, 4:14 AM CDTSevere Thunderstorm WarningMAFGlasscock, Howard, Martin, Midland61 min
Mar 19, 4:47 AM CDTAreal Flood AdvisoryMAFHoward3 hr
Mar 19, 5:22 AM CDTSevere Thunderstorm WarningMAFGlasscock, Howard, Mitchell53 min
Mar 19, 5:50 AM CDTAreal Flood AdvisoryMAFMitchell, Scurry3 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.