Alert archive / Texas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 13, NWS Midland/Odessa, TX

March 19, 20124 counties in Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Mar 19, 2012, 4:14 AM CDT for 4 counties in Texas. It was in force for 61 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, 4:14 AM CDT (09:14 UTC)
Expired: Mar 19, 2012, 5:15 AM CDT
In force: 61 min
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon

Counties Glasscock County, TX, Howard County, TX, Martin County, TX, Midland County, TX

The radar

The Midland/Odessa radar (KMAF), 62 km from the middle of the area, began a volume at 09:16 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

Time	Report	Where	Remark
Mar 19, 4:45 AM CDT	HAIL 1	Lees, TX
Mar 19, 4:53 AM CDT	HAIL 1	Big Spring, TX

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.

Issued	Product	Office	Lasted
Mar 18, 10:50 PM CDT	Severe Thunderstorm Watch	SPC	11 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 9.2 hours before the alert went out and 62 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: 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.

935 
WUUS54 KMAF 190914
SVRMAF
TXC173-227-317-329-191015-
/O.NEW.KMAF.SV.W.0013.120319T0914Z-120319T1015Z/

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

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN GLASSCOCK COUNTY IN WEST TEXAS...
  SOUTHERN HOWARD COUNTY IN WEST TEXAS...
  SOUTHEASTERN MARTIN COUNTY IN WEST TEXAS...
  NORTHEASTERN MIDLAND COUNTY IN WEST TEXAS...

* UNTIL 515 AM CDT

* AT 412 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE... DAMAGING HAIL UP
  TO GOLF BALL SIZE.  THIS STORM WAS LOCATED NEAR SPRABERRY...OR 14
  MILES SOUTH OF STANTON...MOVING NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT THE FOLLOWING LOCATIONS...
  LOMAX...
  ELBOW...
  SOUTH HAVEN...
  BIG SPRING...
  MIDWAY...
  SAND SPRINGS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER... HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
MIDLAND.

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

&&

LAT...LON 3242 10165 3236 10128 3210 10126 3179 10178
      3193 10194
TIME...MOT...LOC 0914Z 223DEG 31KT 3194 10178

$$

1 follow-up statement

987 
WWUS54 KMAF 190940
SVSMAF

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

TXC173-227-317-329-191015-
/O.CON.KMAF.SV.W.0013.000000T0000Z-120319T1015Z/
GLASSCOCK TX-HOWARD TX-MARTIN TX-MIDLAND TX-
440 AM CDT MON MAR 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 AM CDT
FOR NORTHEASTERN MIDLAND...SOUTHEASTERN MARTIN...SOUTHERN HOWARD AND
NORTHWESTERN GLASSCOCK COUNTIES...

AT 436 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE DAMAGING HAIL
UP TO GOLF BALL SIZE.  THIS STORM WAS LOCATED NEAR LOMAX...OR ABOUT
10 MILES EAST OF STANTON...MOVING NORTHEAST AT 35 MPH.

SOME LOCATIONS AFFECTED BY THE SEVERE THUNDERSTORM INCLUDE...ELBOW...
SOUTH HAVEN...BIG SPRING...MIDWAY...SAND SPRINGS AND COAHOMA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS DETECTED WEAK ROTATION WITHIN THIS STORM. WHILE NOT
IMMEDIATELY LIKELY... A TORNADO MAY STILL DEVELOP. IF A TORNADO IS
SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE... SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

TO REPORT SEVERE WEATHER... HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
MIDLAND.

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

&&

LAT...LON 3242 10165 3236 10128 3210 10126 3179 10178
      3193 10194
TIME...MOT...LOC 0940Z 222DEG 31KT 3213 10160

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 10:22 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Gaines	53 min
Mar 18, 10:29 PM CDT	Severe Thunderstorm Warning	MAF	Ector, Ward, Winkler	61 min
Mar 18, 11:27 PM CDT	Severe Thunderstorm Warning	MAF	Ector, Winkler	63 min
Mar 18, 11:47 PM CDT	Areal Flood Advisory	MAF	Ector	3 hr
Mar 19, 1:41 AM CDT	Severe Thunderstorm Warning	MAF	Dawson, Martin	64 min
Mar 19, 2:09 AM CDT	Severe Thunderstorm Warning	MAF	Borden, Dawson, Howard, Martin, Scurry	66 min
Mar 19, 2:45 AM CDT	Severe Thunderstorm Warning	MAF	Howard, Martin	39 min
Mar 19, 3:19 AM CDT	Severe Thunderstorm Warning	MAF	Midland, Upton	56 min
Mar 19, 3:21 AM CDT	Wind Advisory	MAF	Loving, Ward, Winkler	16 hr
Mar 19, 3:46 AM CDT	Tornado Warning	MAF	Glasscock, Midland	29 min
Mar 19, 4:47 AM CDT	Areal Flood Advisory	MAF	Howard	3 hr
Mar 19, 5:22 AM CDT	Severe Thunderstorm Warning	MAF	Glasscock, Howard, Mitchell	53 min
Mar 19, 5:50 AM CDT	Areal Flood Advisory	MAF	Mitchell, Scurry	3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2012 Every 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.