Alert archive / Texas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 13, NWS Lubbock, TX
NWS Lubbock, TX issued this severe thunderstorm warning at Apr 21, 2011, 8:11 PM CDT for Kent County, Stonewall County, Texas. It was in force for 42 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
- Apr 21, 2011, 8:11 PM CDT (01:11 UTC)
- Expired
- Apr 21, 2011, 8:53 PM CDT
- In force
- 42 min
- Issued by
- NWS Lubbock, TX
- Area
- Storm-based polygon
Counties Kent County, TX, Stonewall County, TX
The radar
The Dyess AFB radar (KDYX), 119 km from the middle of the area, began a volume at 01:14 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 nearest sounding before it
Midland Regional, TX (KMAF), launched 00:00Z, 1.2 hours before the alert went out and 221 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.
- Mixed-layer CAPE
- 1962 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 2427 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
840
WUUS54 KLUB 220111
SVRLUB
TXC263-433-220200-
/O.NEW.KLUB.SV.W.0013.110422T0111Z-110422T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
811 PM CDT THU APR 21 2011
THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN KENT COUNTY IN NORTHWEST TEXAS.
STONEWALL COUNTY IN NORTHWEST TEXAS.
* UNTIL 900 PM CDT
* AT 806 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 11 MILES SOUTH OF ASPERMONT
TO 11 MILES SOUTH OF CLAIREMONT...AND WERE MOVING NORTHEAST AT 40
MPH.
* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE OLD GLORY...
SWENSON AND GIRARD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAINS ARE EXPECTED WITH
THESE STORMS. TAKE COVER IN A SUBSTANTIAL SHELTER.
&&
LAT...LON 3296 10018 3296 10084 3339 10069 3339 9998
3318 9999
TIME...MOT...LOC 0110Z 225DEG 34KT 3302 10025 3304 10074
$$
MCZ3 follow-up statements
794
WWUS54 KLUB 220127
SVSLUB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
827 PM CDT THU APR 21 2011
TXC263-433-220200-
/O.CON.KLUB.SV.W.0013.000000T0000Z-110422T0200Z/
KENT TX-STONEWALL TX-
827 PM CDT THU APR 21 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR STONEWALL AND
EASTERN KENT COUNTIES UNTIL 900 PM CDT...
AT 824 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PING
PONG BALL SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM ASPERMONT TO 9 MILES
SOUTH OF JAYTON...AND WERE MOVING NORTHEAST AT 40 MPH.
LOCATIONS IN THE PATH OF THESE STORMS INCLUDE ASPERMONT...SWENSON
AND JAYTON.
LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAINS ARE EXPECTED WITH
THESE STORMS. TAKE COVER IN A SUBSTANTIAL SHELTER.
LAT...LON 3296 10018 3304 10080 3339 10069 3339 9998
3318 9999
TIME...MOT...LOC 0124Z 225DEG 34KT 3316 10020 3309 10062
$$
MCZ675
WWUS54 KLUB 220146
SVSLUB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
846 PM CDT THU APR 21 2011
TXC263-220153-
/O.CAN.KLUB.SV.W.0013.000000T0000Z-110422T0200Z/
KENT TX-
846 PM CDT THU APR 21 2011
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN KENT COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS EXITED INTO STONEWALL
COUNTY.
LAT...LON 3303 10012 3305 10052 3329 10052 3339 10042
3339 9998 3318 9999
TIME...MOT...LOC 0143Z 241DEG 29KT 3320 10000 3312 10046
$$
TXC433-220200-
/O.CON.KLUB.SV.W.0013.000000T0000Z-110422T0200Z/
STONEWALL TX-
846 PM CDT THU APR 21 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR STONEWALL
COUNTY UNTIL 900 PM CDT...
AT 843 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A BROKEN LINE OF SEVERE THUNDERSTORMS EXTENDING FROM 5
MILES NORTHEAST OF OLD GLORY TO 6 MILES SOUTHWEST OF PEACOCK. THESE
STORMS WERE MOVING EAST-NORTHEAST AT 35 MPH AND WILL BE CAPABLE OF
PRODUCING HAIL TO THE SIZE OF QUARTERS AND DAMAGING WIND GUSTS TO 60
MPH.
LOCATIONS IN THE PATH OF THESE STORMS INCLUDE PEACOCK..SWENSON AND
ASPERMONT.
LAT...LON 3303 10012 3305 10052 3329 10052 3339 10042
3339 9998 3318 9999
TIME...MOT...LOC 0143Z 241DEG 29KT 3320 10000 3312 10046
$$
MCZ144
WWUS54 KLUB 220153
SVSLUB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
853 PM CDT THU APR 21 2011
TXC433-220203-
/O.CAN.KLUB.SV.W.0013.000000T0000Z-110422T0200Z/
STONEWALL TX-
853 PM CDT THU APR 21 2011
...THE SEVERE THUNDERSTORM WARNING FOR STONEWALL COUNTY IS
CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED CONSIDERABLY AND
NO LONGER POSE A SEVERE THREAT.
LAT...LON 3303 10012 3305 10052 3329 10052 3339 10042
3339 9998 3318 9999
TIME...MOT...LOC 0153Z 225DEG 34KT 3328 9996 3329 10018
3318 10040
$$
MCZNearby
Severe Thunderstorm Warnings in Texas, 2011Every severe thunderstorm warning in 2011
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.