Alert archive / Texas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 77, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this severe thunderstorm warning at Sep 15, 2011, 9:18 PM CDT for Jeff Davis County, Texas. It was in force for 43 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
- Sep 15, 2011, 9:18 PM CDT (02:18 UTC)
- Expired
- Sep 15, 2011, 10:01 PM CDT
- In force
- 43 min
- Issued by
- NWS Midland/Odessa, TX
- Area
- Storm-based polygon
County Jeff Davis County, TX
The radar
The Midland/Odessa radar (KMAF), 233 km from the middle of the area, began a volume at 02:21 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, 2.3 hours before the alert went out and 233 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
- 2 J/kg
- Mixed-layer CIN
- -237 J/kg
- Mixed-layer LCL
- 810 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 195 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
044
WUUS54 KMAF 160218
SVRMAF
TXC243-160315-
/O.NEW.KMAF.SV.W.0077.110916T0218Z-110916T0315Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
918 PM CDT THU SEP 15 2011
THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL JEFF DAVIS COUNTY IN SOUTHWEST TEXAS...
* UNTIL 1015 PM CDT
* AT 912 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED OVER
WEST CENTRAL JEFF DAVIS COUNTY...OR 30 MILES SOUTHEAST OF VAN
HORN...MOVING NORTHEAST AT 30 MPH. THIS STORM WILL AFFECT ALFRED
MEANS RANCH ROAD...10 MILES NORTH OF VALENTINE.
* THE SEVERE THUNDERSTORM WILL AFFECT THE FOLLOWING LOCATIONS...
CENTRAL JEFF DAVIS COUNTY...
NORTHERN JEFF DAVIS COUNTY...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AWAY FROM WINDOWS.
&&
LAT...LON 3096 10436 3105 10421 3103 10406 3076 10393
3060 10454 3072 10464
TIME...MOT...LOC 0217Z 220DEG 24KT 3073 10449
$$2 follow-up statements
456
WWUS54 KMAF 160245
SVSMAF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
945 PM CDT THU SEP 15 2011
TXC243-160315-
/O.CON.KMAF.SV.W.0077.000000T0000Z-110916T0315Z/
JEFF DAVIS TX-
945 PM CDT THU SEP 15 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR CENTRAL JEFF DAVIS COUNTY...
AT 940 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED OVER CENTRAL JEFF DAVIS COUNTY...OR ABOUT 29 MILES SOUTHEAST
OF VAN HORN...MOVING NORTHEAST AT 20 MPH.
SOME LOCATIONS AFFECTED BY THE SEVERE THUNDERSTORM INCLUDE...CENTRAL
JEFF DAVIS COUNTY AND NORTH CENTRAL JEFF DAVIS COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...DEADLY CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. SEEK
SAFE SHELTER NOW.
&&
LAT...LON 3096 10436 3105 10421 3103 10406 3076 10393
3060 10454 3072 10464
TIME...MOT...LOC 0244Z 225DEG 18KT 3083 10440
$$263
WWUS54 KMAF 160301
SVSMAF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1001 PM CDT THU SEP 15 2011
TXC243-160311-
/O.CAN.KMAF.SV.W.0077.000000T0000Z-110916T0315Z/
JEFF DAVIS TX-
1001 PM CDT THU SEP 15 2011
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL JEFF DAVIS COUNTY IS
CANCELLED...
AT 1001 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAD
WEAKENED. THEREFORE THE SEVERE THUNDERSTORM WARNING IS CANCELLED.
LAT...LON 3096 10436 3105 10421 3103 10406 3076 10393
3060 10454 3072 10464
TIME...MOT...LOC 0301Z 225DEG 18KT 3088 10434
$$The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 4:50 PM CDT | Severe Thunderstorm Warning | MAF | Pecos | 55 min |
| Sep 16, 5:13 PM CDT | Tornado Warning | MAF | Pecos | 32 min |
| Sep 16, 5:44 PM CDT | Tornado Warning | MAF | Brewster, Jeff Davis, Pecos | 61 min |
| Sep 16, 6:46 PM CDT | Severe Thunderstorm Warning | MAF | Brewster, Pecos | 59 min |
Nearby
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.