Alert archive / Texas / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 13, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this severe thunderstorm warning at Apr 11, 2009, 5:58 PM CDT for Dawson County, Gaines County, Texas. It was in force for 62 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 11, 2009, 5:58 PM CDT (22:58 UTC)
- Expired
- Apr 11, 2009, 7:00 PM CDT
- In force
- 62 min
- Issued by
- NWS Midland/Odessa, TX
- Area
- Storm-based polygon
Counties Dawson County, TX, Gaines County, TX
The radar
The Midland/Odessa radar (KMAF), 95 km from the middle of the area, began a volume at 23:00 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 11, 3:18 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 11.0 hours before the alert went out and 94 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1657 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 514 m²/s²
- 0-3 km storm-relative helicity
- 417 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS54 KMAF 112258
SVRMAF
TXC115-165-120000-
/O.NEW.KMAF.SV.W.0013.090411T2258Z-090412T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
558 PM CDT SAT APR 11 2009
THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN GAINES COUNTY IN WEST TEXAS...
EXTREME NORTHWESTERN DAWSON COUNTY IN WEST TEXAS...
* UNTIL 700 PM CDT
* AT 555 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS LINE OF STORMS
STRETCHED FROM 5 MILES WEST OF SEAGRAVES TO 8 MILES WEST OF
SEMINOLE... MOVING NORTHEAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL AFFECT THE FOLLOWING LOCATIONS...
SEMINOLE...
SEAGRAVES...
LOOP...
ASHMORE...
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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT
SATURDAY EVENING FOR SOUTHEAST NEW MEXICO AND SOUTHWESTERN TEXAS.
&&
LAT...LON 3258 10244 3252 10268 3295 10261 3296 10260
3295 10217
TIME...MOT...LOC 2256Z 230DEG 28KT 3271 10279
$$1 follow-up statement
000
WWUS54 KMAF 112351
SVSMAF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
651 PM CDT SAT APR 11 2009
TXC115-165-120000-
/O.CON.KMAF.SV.W.0013.000000T0000Z-090412T0000Z/
GAINES TX-DAWSON TX-
651 PM CDT SAT APR 11 2009
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR EXTREME NORTHWESTERN DAWSON AND EASTERN GAINES COUNTIES...
AT 640 PM CDT DOPPLER RADAR INDICATED A LARGE AREA OF SEVERE
THUNDERSTORMS COVERING THE EASTERN HALF OF GAINES COUNTY FROM
NEAR ASHMORE TO CEDAR LAKE TO 10 MILES SOUTH OF HIGHWAY 180.
THESE STORMS WERE MOVING TO THE NORTHEAST AT 30 MPH.
SOME LOCATIONS AFFECTED BY THE SEVERE THUNDERSTORM INCLUDE...
ASHMORE...CEDAR LAKE...SAND...PUNKIN CENTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS... DEADLY CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. REMEMBER... IF YOU CAN
HEAR THUNDER... YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. SEEK
SAFE SHELTER NOW.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT
SATURDAY EVENING FOR SOUTHEAST NEW MEXICO AND SOUTHWESTERN TEXAS.
&&
LAT...LON 3258 10244 3252 10268 3295 10261 3296 10260
3295 10217
TIME...MOT...LOC 2349Z 230DEG 28KT 3297 10241
$$The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 11:50 AM CDT | Wind Advisory | MAF | Borden, Crane, Ector, Glasscock, Howard, Martin and 9 more | 7 hr |
| Apr 11, 2:33 PM CDT | Fire Weather Watch | MAF | Pecos, Terrell | 15 hr |
| Apr 11, 3:56 PM CDT | Severe Thunderstorm Warning | MAF | Gaines | 49 min |
| Apr 11, 4:05 PM CDT | High Wind Watch | MAF | 14 hr | |
| Apr 11, 4:41 PM CDT | Tornado Warning | MAF | Gaines | 34 min |
| Apr 11, 5:12 PM CDT | Severe Thunderstorm Warning | MAF | Loving, Reeves, Ward, Winkler | 63 min |
| Apr 11, 5:17 PM CDT | Severe Thunderstorm Warning | MAF | Andrews, Ector, Gaines, Winkler | 43 min |
| Apr 11, 6:05 PM CDT | Severe Thunderstorm Warning | MAF | Andrews, Gaines | 55 min |
| Apr 11, 6:11 PM CDT | Severe Thunderstorm Warning | MAF | Andrews, Ector, Winkler | 34 min |
| Apr 11, 6:18 PM CDT | Severe Thunderstorm Warning | MAF | Crane, Ector, Ward, Winkler | 57 min |
| Apr 11, 6:36 PM CDT | Severe Thunderstorm Warning | MAF | Dawson, Gaines | 54 min |
| Apr 11, 6:45 PM CDT | Severe Thunderstorm Warning | MAF | Andrews, Crane, Dawson, Ector, Gaines, Martin and 1 more | 60 min |
| Apr 11, 6:46 PM CDT | Severe Thunderstorm Warning | MAF | Pecos, Reeves, Ward | 59 min |
| Apr 11, 6:49 PM CDT | Flash Flood Warning | MAF | Gaines | 3 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2009Every severe thunderstorm warning in 2009
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.