Alert archive / Texas / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 49, NWS Lubbock, TX

April 17, 2007Lubbock County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Apr 17, 2007, 1:21 PM CDT for Lubbock County, Texas. It was in force for 39 min. 8 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
Apr 17, 2007, 1:21 PM CDT (18:21 UTC)
Expired
Apr 17, 2007, 2:00 PM CDT
In force
39 min
Issued by
NWS Lubbock, TX
Area
Counties, with a storm outline in the text

County Lubbock County, TX

The radar

The Lubbock radar (KLBB), 6 km from the middle of the area, began a volume at 18:22 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
Apr 17, 1:25 PM CDTTORNADO5 Nnw Shallowater, TXMULTIPLE REPORTS OF AN INTERMITTENT TORNADO BETWEEN ROUNDUP AND SHALLOWATER. NO DAMAGE REPORTED. EVENT DURATION 125-135PM.
Apr 17, 1:40 PM CDTHAIL 1Lubbock, TXPENNY TO QUARTER SIZE HAIL COVERED THE GROUND IN SOUTHWEST LUBBOCK. MULTIPLE REPORTS. EVENT DURATION 140-150PM.
Apr 17, 1:40 PM CDTTORNADO2 Wnw Slaton, TXA TORNADO WAS PHOTOGRAPHED IN OPEN FIELDS BY A LOCAL BROADCAST MEDIA AFFILIATE. EVENT DURATION 140-150PM.
Apr 17, 1:44 PM CDTHAIL 1.5Idalou, TXIDALOU FD REPORTED PING-PONG SIZE HAIL
Apr 17, 2:00 PM CDTTORNADOLubbock, TXMULTIPLE REPORTS OF A TORNADO NEAR UNIVERSITY AND KENT...AND NEAR U.S. HIGHWAY 84 AND QUAKER IN LUBBOCK. A WALL PANEL WAS BLOWN OFF OF A LARGE MEDAL BUILDING AND TREE LIMBS WERE BROKEN. EVENT DURATION 200-203PM.
Apr 17, 2:00 PM CDTTORNADOLubbock, TXLANDSPOUT TORNADO RESULTING IN SMALL TREE LIMBS DOWN AT N. UNIVERSITY AND KENT
Apr 17, 2:03 PM CDTTORNADO3 Ese Lubbock Int. Airp, TXTEXAS DEPARTMENT OF PUBLIC SAFETY REPORTED A 50 YARD WIDE TORNADO IN OPEN FIELDS JUST SOUTH OF THE INTERSECTION OF U.S. HIGHWAY 62/82 AND FARM TO MARKET ROAD 1729. NO DAMAGE REPORTED. EVENT DURATION 203-204PM.
Apr 17, 2:03 PM CDTTORNADOLubbock, TXDPS REPORTED LANDSPOUT TORNADO 2 MILES SOUTH OF 62/82...SE OF LUBBOCK AIRPORT

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 6.4 hours before the alert went out and 176 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, Amarillo Airport, TX at 12:00Z on 2007-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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, Amarillo Airport, TX at 12:00Z on 2007-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -174 square meters per square second.1939587897117136Sfc1 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
7 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
931 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-174 m²/s²
0-3 km storm-relative helicity
-21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KLUB 171821
SVRLUB
TXC303-171900-
/O.NEW.KLUB.SV.W.0049.070417T1821Z-070417T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
121 PM CDT TUE APR 17 2007

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LUBBOCK COUNTY IN NORTHWEST TEXAS.

* UNTIL 200 PM CDT

* AT 118 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS   
  STORM WAS LOCATED OVER SOUTHWEST LUBBOCK...OR ABOUT 19 MILES WEST  
  OF SLATON...MOVING EAST AT 5 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE LUBBOCK SOUTH
  PLAINS MALL...SHALLOWATER...RANSOM CANYON...WOODROW...LUBBOCK INT.
  AIRPORT...LUBBOCK...DOWNTOWN LUBBOCK...TEXAS TECH UNIV. AND IDALOU.

LARGE HAIL...DAMAGING WINDS...AND VERY HEAVY RAINS ARE EXPECTED WITH
THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER.

TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE
AT 8 0 6 7 4 5 1 2 9 0.

LAT...LON 3383 10207 3340 10207 3340 10158 3381 10162

$$
1 follow-up statement
000 
WWUS54 KLUB 171826
SVSLUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
125 PM CDT TUE APR 17 2007

TXC303-171900-
/O.CON.KLUB.SV.W.0049.000000T0000Z-070417T1900Z/
LUBBOCK TX-
125 PM CDT TUE APR 17 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR LUBBOCK COUNTY...

AT 122 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.
THIS STORM WAS LOCATED OVER SOUTHWEST LUBBOCK...MOVING EAST AT 15 MPH.

A SECOND STORM WAS LOCATED OVER NORTHWESTERN LUBBOCK COUNTY ALONG 
HIGHWAY 84.

LARGE HAIL...DAMAGING WINDS...AND VERY HEAVY RAINS ARE EXPECTED WITH
THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER.

LAT...LON 3383 10207 3340 10207 3340 10158 3381 10162

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 17, 1:34 PM CDTTornado WarningLUBLubbock26 min
Apr 17, 2:01 PM CDTSevere Thunderstorm WarningLUBLubbock44 min
Apr 17, 2:03 PM CDTTornado WarningLUBHale27 min
Apr 17, 2:21 PM CDTSevere Thunderstorm WarningLUBGarza34 min

Nearby

Severe Thunderstorm Warnings in Texas, 2007Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.