Alert archive / Texas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 21, NWS Lubbock, TX

March 18, 20125 counties in Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Mar 18, 2012, 11:29 PM CDT for 5 counties in Texas. It was in force for 61 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 18, 2012, 11:29 PM CDT (04:29 UTC)
Expired
Mar 19, 2012, 12:30 AM CDT
In force
61 min
Issued by
NWS Lubbock, TX
Area
Storm-based polygon

Counties Hockley County, TX, Lubbock County, TX, Lynn County, TX, Terry County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 54 km from the middle of the area, began a volume at 04:32 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
Mar 18, 10:50 PM CDTSevere Thunderstorm WatchSPC11 hr
Mar 18, 11:23 PM CDTTornado WatchSPC4 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 4.5 hours before the alert went out and 151 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.

406 
WUUS54 KLUB 190429
SVRLUB
TXC219-303-305-445-501-190530-
/O.NEW.KLUB.SV.W.0021.120319T0429Z-120319T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
1129 PM CDT SUN MAR 18 2012

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN HOCKLEY COUNTY IN NORTHWEST TEXAS.
  LUBBOCK COUNTY IN NORTHWEST TEXAS.
  WESTERN LYNN COUNTY IN NORTHWEST TEXAS.
  TERRY COUNTY IN NORTHWEST TEXAS.
  SOUTHEASTERN YOAKUM COUNTY IN NORTHWEST TEXAS.

* UNTIL 1230 AM CDT

* AT 1127 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 6 MILES NORTH OF ANTON TO 11
  MILES SOUTHWEST OF BROWNFIELD...OR ALONG A LINE EXTENDING FROM 11
  MILES EAST OF LITTLEFIELD TO 11 MILES SOUTHWEST OF BROWNFIELD...AND
  MOVING NORTHEAST AT 45 MPH.  

* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE UNION...REESE
  CENTER...SHALLOWATER...NEW MOORE...WOLFFORTH...LUBBOCK SOUTH PLAINS
  MALL...ODONNELL...O'DONNELL...SLIDE...TEXAS TECH UNIV....LUBBOCK...
  DOWNTOWN LUBBOCK...LUBBOCK INT. AIRPORT...WOODROW...TAHOKA...IDALOU
  AND RANSOM CANYON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

VERY SMALL...BRIEF...BUT DANGEROUS TORNADOES ARE POSSIBLE WITH THIS
STORM. STAY INDOORS AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY MORNING FOR
THE PANHANDLE AND NORTHWEST TEXAS. A SEVERE THUNDERSTORM WATCH ALSO
REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY MORNING FOR THE PANHANDLE
AND NORTHWEST TEXAS.

&&

LAT...LON 3296 10270 3383 10231 3383 10158 3295 10182
TIME...MOT...LOC 0429Z 242DEG 40KT 3390 10212 3308 10238

$$
3 follow-up statements
065 
WWUS54 KLUB 190443
SVSLUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
1143 PM CDT SUN MAR 18 2012

TXC501-190451-
/O.CAN.KLUB.SV.W.0021.000000T0000Z-120319T0530Z/
YOAKUM TX-
1143 PM CDT SUN MAR 18 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN YOAKUM COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA.

LAT...LON 3296 10258 3382 10222 3383 10158 3295 10182
TIME...MOT...LOC 0441Z 265DEG 35KT 3381 10199 3349 10211
          3295 10231

$$

TXC219-303-305-445-190530-
/O.CON.KLUB.SV.W.0021.000000T0000Z-120319T0530Z/
HOCKLEY TX-LUBBOCK TX-LYNN TX-TERRY TX-
1143 PM CDT SUN MAR 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR TERRY...
WESTERN LYNN...LUBBOCK AND EASTERN HOCKLEY COUNTIES UNTIL 1230 AM
CDT...

AT 1140 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED...
PRODUCING  QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 8 MILES
NORTH OF SHALLOWATER TO 6 MILES WEST OF WOLFFORTH TO ASHMORE...MOVING
EAST AT 40 MPH.  THIS SYSTEM HAS A HISTORY OF CIRCULATIONS ON THE 
LEADING EDGE OF THE LINE AND THERE IS AN ENHANCED RISK OF BRIEF 
TORNADO SPIN UPS.

LOCATIONS IMPACTED INCLUDE...
  TAHOKA...SHALLOWATER...REESE CENTER...UNION...WOLFFORTH...LUBBOCK
  SOUTH PLAINS MALL...TEXAS TECH UNIV....SLIDE...LUBBOCK...DOWNTOWN
  LUBBOCK...LUBBOCK INT. AIRPORT...NEW MOORE...WOODROW...IDALOU...
  RANSOM CANYON...ODONNELL...O'DONNELL...NEW DEAL...WFO LUB AND NEW
  HOME.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 3296 10258 3382 10222 3383 10158 3295 10182
TIME...MOT...LOC 0441Z 265DEG 35KT 3381 10199 3349 10211
          3295 10231

$$
262 
WWUS54 KLUB 190459
SVSLUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
1159 PM CDT SUN MAR 18 2012

TXC219-303-305-445-190530-
/O.CON.KLUB.SV.W.0021.000000T0000Z-120319T0530Z/
HOCKLEY TX-LUBBOCK TX-LYNN TX-TERRY TX-
1159 PM CDT SUN MAR 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
TERRY...WESTERN LYNN...LUBBOCK AND EASTERN HOCKLEY COUNTIES UNTIL
1230 AM CDT...

AT 1153 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED...
PRODUCING  QUARTER SIZE HAIL.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM ABERNATHY TO WELCH...MOVING EAST AT 30 MPH.  THERE IS 
AN ENHANCED THREAT OF BRIEF TORNADOES ALONG THE LEADING EDGE OF THIS 
SQUALL LINE. ESPECIALLY NORTH FROM THE LUBBOCK AIRPORT TO HALE 
CENTER.

LOCATIONS IMPACTED INCLUDE...
  TAHOKA...TEXAS TECH UNIV....SLIDE...LUBBOCK...DOWNTOWN LUBBOCK...
  LUBBOCK INT. AIRPORT...NEW MOORE...WOODROW...IDALOU...RANSOM
  CANYON...ODONNELL...O'DONNELL...NEW DEAL...WFO LUB...NEW HOME AND
  WILSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 3296 10248 3338 10235 3382 10214 3383 10158
      3295 10182
TIME...MOT...LOC 0457Z 271DEG 25KT 3381 10182 3297 10216

$$
021 
WWUS54 KLUB 190515
SVSLUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
1215 AM CDT MON MAR 19 2012

TXC219-303-305-445-190530-
/O.CON.KLUB.SV.W.0021.000000T0000Z-120319T0530Z/
HOCKLEY TX-LUBBOCK TX-LYNN TX-TERRY TX-
1215 AM CDT MON MAR 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
TERRY...WESTERN LYNN...LUBBOCK AND SOUTHEASTERN HOCKLEY COUNTIES
UNTIL 1230 AM CDT...

AT 1210 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED...
PRODUCING  QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 8 MILES 
SOUTHWEST OF PETERSBURG TO PRIDE...MOVING EAST AT 30 MPH.  THERE IS 
AN ENHANCED THREAT OF BRIEF TORNADOES ALONG THE LEADING EDGE OF THE 
SQUALL LINE

LOCATIONS IMPACTED INCLUDE...
  TAHOKA...IDALOU...RANSOM CANYON...ODONNELL...O'DONNELL AND WILSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 3296 10236 3382 10200 3383 10158 3295 10182
TIME...MOT...LOC 0515Z 271DEG 25KT 3381 10167 3297 10201

$$

The office that day

Everything else NWS Lubbock, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 18, 7:10 PM CDTSevere Thunderstorm WarningLUBCrosby, Lubbock65 min
Mar 18, 7:31 PM CDTSevere Thunderstorm WarningLUBCrosby, Floyd, Hale, Lubbock30 min
Mar 18, 7:46 PM CDTSevere Thunderstorm WarningLUBFloyd, Hale59 min
Mar 18, 8:19 PM CDTSevere Thunderstorm WarningLUBBriscoe, Hall41 min
Mar 18, 8:25 PM CDTSpecial Weather StatementLUBCrosby35 min
Mar 18, 9:00 PM CDTSevere Thunderstorm WarningLUBBriscoe, Hall15 min
Mar 18, 9:03 PM CDTSevere Thunderstorm WarningLUBBriscoe, Hall12 min
Mar 18, 9:33 PM CDTSpecial Weather StatementLUBMotley12 min
Mar 18, 9:52 PM CDTSpecial Weather StatementLUBMotley23 min
Mar 18, 10:19 PM CDTSpecial Weather StatementLUBHockley, Terry, Yoakum26 min
Mar 18, 10:26 PM CDTSpecial Weather StatementLUBChildress34 min
Mar 18, 10:32 PM CDTSpecial Weather StatementLUBChildress28 min
Mar 18, 10:32 PM CDTSevere Thunderstorm WarningLUBHockley, Terry, Yoakum58 min
Mar 18, 10:35 PM CDTSpecial Weather StatementLUBLamb25 min
Mar 18, 11:00 PM CDTSevere Thunderstorm WarningLUBHale, Lamb30 min
Mar 18, 11:09 PM CDTTornado WarningLUBHockley, Terry21 min
Mar 18, 11:14 PM CDTSpecial Weather StatementLUBSwisher31 min
Mar 18, 11:20 PM CDTSpecial Weather StatementLUBHale25 min
Mar 18, 11:30 PM CDTSevere Thunderstorm WarningLUBHale, Lamb60 min
Mar 19, 12:30 AM CDTSpecial Weather StatementLUBBriscoe, Crosby, Floyd, Garza, Hale, Lubbock and 2 more60 min
Mar 19, 1:27 AM CDTSpecial Weather StatementLUBBriscoe, Crosby, Dickens, Floyd, Garza, Hall and 2 more33 min
Mar 19, 1:37 AM CDTSevere Thunderstorm WarningLUBBriscoe, Childress, Cottle, Floyd, Hall, Motley53 min
Mar 19, 2:08 AM CDTSevere Thunderstorm WarningLUBChildress, Cottle, Hall52 min
Mar 19, 3:00 AM CDTSpecial Weather StatementLUBChildress, Cottle, Dickens, Garza, Kent, King and 1 more30 min
Mar 19, 3:36 AM CDTSpecial Weather StatementLUBCottle, Dickens, Kent, King, Motley, Stonewall39 min
Mar 19, 4:20 AM CDTSpecial Weather StatementLUBDickens, Kent, King40 min
Mar 19, 3:35 PM CDTSpecial Weather StatementLUBCochran25 min
Mar 19, 3:52 PM CDTSpecial Weather StatementLUBHockley, Lamb23 min
Mar 19, 4:15 PM CDTSpecial Weather StatementLUBHockley, Lamb30 min
Mar 19, 4:47 PM CDTSpecial Weather StatementLUBHale28 min
Mar 19, 5:53 PM CDTSpecial Weather StatementLUBBailey37 min

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.