Alert archive / Texas / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 21, NWS Lubbock, TX

March 28, 2007Castro County, Parmer County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Mar 28, 2007, 9:00 PM CDT for Castro County, Parmer County, Texas. It was in force for 60 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 28, 2007, 9:00 PM CDT (02:00 UTC)
Expired
Mar 28, 2007, 10:00 PM CDT
In force
60 min
Issued by
NWS Lubbock, TX
Area
Counties, with a storm outline in the text

Counties Castro County, TX, Parmer County, TX

The radar

The Cannon AFB radar (KFDX), 97 km from the middle of the area, began a volume at 02:01 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
Mar 28, 3:14 PM CDTTornado Watch PDSSPC8 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.0 hours before the alert went out and 114 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 00:00Z on 2007-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1596 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2007-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.1939587897117Sfc1 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
1596 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1565 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.5
Supercell composite
5.7

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KLUB 290203
SVRLUB
TXC069-369-290300-
/O.NEW.KLUB.SV.W.0021.070329T0200Z-070329T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
900 PM CDT WED MAR 28 2007

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PARMER COUNTY IN THE PANHANDLE OF TEXAS.
  CASTRO COUNTY IN THE PANHANDLE OF TEXAS.

* UNTIL 1000 PM CDT

* AT 856 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  LINE OF SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE 
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS LINE OF STORMS 
  EXTENDED NEAR SUMMERFIELD TO MULESHOE...MOVING NORTHEAST AT 30 MPH. 
  ANOTHER SEVERE STORM WILL MOVE INTO SOUTHWESTERN CASTRO COUNTY...AND 
  MAY PRODUCE HAIL LARGER THAN GOLFBALLS.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE FRIONA...
  BLACK...HART...DIMMITT...EASTER AND SUMMERFIELD.

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 3432 10298 3433 10202 3474 10201 3473 10286

$$
2 follow-up statements
000 
WWUS54 KLUB 290219
SVSLUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
918 PM CDT WED MAR 28 2007

TXC069-369-290300-
/O.CON.KLUB.SV.W.0021.000000T0000Z-070329T0300Z/
PARMER TX-CASTRO TX-
918 PM CDT WED MAR 28 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR CASTRO AND EASTERN PARMER COUNTIES...

AT 913 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING HALF
DOLLAR SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM EASTER TO 6 MILES
SOUTHWEST OF LAZBUDDIE...OR ALONG A LINE EXTENDING FROM 8 MILES SOUTH
OF HEREFORD TO 8 MILES NORTH OF MULESHOE...MOVING EAST AT 20 MPH.

SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE NAZARETH...
HART...BLACK...LAZBUDDIE...EASTER AND DIMMITT.

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

LAT...LON 3432 10288 3433 10202 3474 10201 3473 10260

$$
000 
WWUS54 KLUB 290240
SVSLUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
939 PM CDT WED MAR 28 2007

TXC069-369-290300-
/O.CON.KLUB.SV.W.0021.000000T0000Z-070329T0300Z/
PARMER TX-CASTRO TX-
939 PM CDT WED MAR 28 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR CASTRO AND EASTERN PARMER COUNTIES...

AT 935 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING HALF
DOLLAR SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 65 MPH.  THESE 
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM SUMMERFIELD TO  
LAZBUDDIE...MOVING EAST AT 25 MPH.

SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE NAZARETH...
HART...LAZBUDDIE...SUMMERFIELD...EASTER AND DIMMITT.

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

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS.

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

LAT...LON 3431 10275 3433 10202 3474 10201 3475 10253

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 8:23 PM CDTSevere Thunderstorm WarningLUBBailey67 min
Mar 28, 8:36 PM CDTSevere Thunderstorm WarningLUBLamb54 min
Mar 28, 8:41 PM CDTSevere Thunderstorm WarningLUBCochran, Yoakum64 min
Mar 28, 9:30 PM CDTSevere Thunderstorm WarningLUBBailey, Lamb60 min
Mar 28, 9:49 PM CDTSevere Thunderstorm WarningLUBCochran, Hockley, Terry, Yoakum56 min
Mar 28, 10:00 PM CDTSevere Thunderstorm WarningLUBCastro30 min
Mar 28, 10:21 PM CDTSevere Thunderstorm WarningLUBHale, Swisher54 min
Mar 28, 10:30 PM CDTSevere Thunderstorm WarningLUBLamb45 min
Mar 28, 10:40 PM CDTSevere Thunderstorm WarningLUBHockley, Lubbock, Lynn, Terry65 min
Mar 28, 11:15 PM CDTSevere Thunderstorm WarningLUBBriscoe, Floyd, Hale, Swisher60 min
Mar 28, 11:47 PM CDTSevere Thunderstorm WarningLUBLynn, Terry43 min
Mar 29, 12:05 AM CDTSevere Thunderstorm WarningLUBCrosby, Lubbock25 min
Mar 29, 12:16 AM CDTFlash Flood WarningLUBCrosby119 min
Mar 29, 12:30 AM CDTSevere Thunderstorm WarningLUBGarza, Lynn45 min
Mar 29, 12:37 AM CDTSevere Thunderstorm WarningLUBBriscoe, Hall38 min
Mar 29, 1:01 AM CDTSevere Thunderstorm WarningLUBMotley44 min
Mar 29, 1:15 AM CDTSevere Thunderstorm WarningLUBGarza, Lynn45 min
Mar 29, 1:15 AM CDTSevere Thunderstorm WarningLUBHall45 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.