Alert archive / Texas / Flash Flood Warnings in 2021
Flash Flood Warning 53, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this flash flood warning at Jul 11, 2021, 6:21 PM CDT for Glasscock County, Texas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 11, 2021, 6:21 PM CDT (23:21 UTC)
- Expired
- Jul 11, 2021, 10:15 PM CDT
- In force
- 4 hr
- Issued by
- NWS Midland/Odessa, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Glasscock County, TX
The radar
The Midland/Odessa radar (KMAF), 87 km from the middle of the area, began a volume at 23:21 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 12:00Z, 11.4 hours before the alert went out and 88 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
- 964 J/kg
- Mixed-layer CIN
- -244 J/kg
- Mixed-layer LCL
- 1122 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
688
WGUS54 KMAF 112321
FFWMAF
TXC173-120315-
/O.NEW.KMAF.FF.W.0053.210711T2321Z-210712T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
621 PM CDT Sun Jul 11 2021
The National Weather Service in Midland/Odessa has issued a
* Flash Flood Warning for...
Southeastern Glasscock County in western Texas...
* Until 1015 PM CDT.
* At 621 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas. Nearly 2
inches of rain has already fallen in some areas. More
rain is expected over the next few hours.
* Some locations that will experience flash flooding include...
mainly rural areas of Southeastern Glasscock County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3168 10127 3167 10132 3167 10134 3193 10139
3196 10127 3186 10127 3183 10127 3177 10127
3175 10127 3173 10127
FLASH FLOOD...RADAR INDICATED
$$
Samantha Zuber1 follow-up statement
414
WGUS74 KMAF 120055
FFSMAF
Flash Flood Statement
National Weather Service Midland/Odessa TX
755 PM CDT Sun Jul 11 2021
TXC173-120315-
/O.CON.KMAF.FF.W.0053.000000T0000Z-210712T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Glasscock TX-
755 PM CDT Sun Jul 11 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT THIS
EVENING FOR SOUTHEASTERN GLASSCOCK COUNTY...
At 755 PM CDT, Doppler radar indicated thunderstorms have ended
across the warned area. Radar does estimate 1 and 2 inches of rain
have fallen and it will take some time for water to recede. Flash
flooding or flooding of low water crossing is likely.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
mainly rural areas of Southeastern Glasscock County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3168 10127 3167 10132 3167 10134 3193 10139
3196 10127 3186 10127 3183 10127 3177 10127
3175 10127 3173 10127
FLASH FLOOD...RADAR INDICATED
$$
Gregory MurdochThe office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 11:13 AM CDT | Special Weather Statement | MAF | 47 min | |
| Jul 11, 12:45 PM CDT | Special Weather Statement | MAF | Cochran | 15 min |
| Jul 11, 4:07 PM CDT | Areal Flood Advisory | MAF | Borden, Dawson, Scurry | 3 hr |
| Jul 11, 4:37 PM CDT | Special Weather Statement | MAF | Borden, Dawson, Scurry | 38 min |
| Jul 11, 5:38 PM CDT | Special Weather Statement | MAF | Glasscock | 52 min |
| Jul 11, 5:50 PM CDT | Special Weather Statement | MAF | Jeff Davis | 40 min |
| Jul 11, 5:54 PM CDT | Areal Flood Advisory | MAF | Jeff Davis, Presidio | 3 hr |
| Jul 11, 6:01 PM CDT | Severe Thunderstorm Warning | MAF | Jeff Davis, Presidio | 59 min |
| Jul 11, 6:04 PM CDT | Areal Flood Advisory | MAF | Glasscock | 3 hr |
| Jul 11, 6:29 PM CDT | Flash Flood Warning | MAF | Jeff Davis | 3 hr |
| Jul 11, 6:35 PM CDT | Severe Thunderstorm Warning | MAF | Presidio | 55 min |
| Jul 11, 6:52 PM CDT | Special Weather Statement | MAF | Crane | 38 min |
| Jul 11, 6:57 PM CDT | Severe Thunderstorm Warning | MAF | Crane, Pecos, Ward | 63 min |
| Jul 11, 6:59 PM CDT | Severe Thunderstorm Warning | MAF | Jeff Davis, Presidio | 61 min |
Nearby
Flash Flood Warnings in Texas, 2021Every flash flood warning in 2021
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.