Alert archive / Texas / Flash Flood Warnings in 2021
Flash Flood Warning 55, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this flash flood warning at Jul 12, 2021, 10:06 AM CDT for Pecos County, Terrell County, Texas. It was in force for 3 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 12, 2021, 10:06 AM CDT (15:06 UTC)
- Expired
- Jul 12, 2021, 1:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Midland/Odessa, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Pecos County, TX, Terrell County, TX
The radar
The Laughlin AFB radar (KDFX), 189 km from the middle of the area, began a volume at 15:09 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
Del Rio, TX (KDRT), launched 12:00Z, 3.1 hours before the alert went out and 135 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
- 1504 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 908 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- -25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
113
WGUS54 KMAF 121506
FFWMAF
TXC371-443-121815-
/O.NEW.KMAF.FF.W.0055.210712T1506Z-210712T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
1006 AM CDT Mon Jul 12 2021
The National Weather Service in Midland/Odessa has issued a
* Flash Flood Warning for...
Southeastern Pecos County in southwestern Texas...
Terrell County in southwestern Texas...
* Until 115 PM CDT.
* At 1006 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. 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.
* Some locations that will experience flash flooding include...
Dryden, Sanderson and Terrell County Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3052 10257 3031 10174 3029 10176 2978 10176
2978 10181 2981 10182 2979 10183 2981 10185
2978 10193 2982 10198 2980 10199 2980 10203
2979 10205 2979 10212 2985 10219 2984 10222
2986 10225 2985 10226 2988 10232 3003 10254
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
658
WGUS74 KMAF 121609
FFSMAF
Flash Flood Statement
National Weather Service Midland/Odessa TX
1109 AM CDT Mon Jul 12 2021
TXC371-443-121815-
/O.CON.KMAF.FF.W.0055.000000T0000Z-210712T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pecos TX-Terrell TX-
1109 AM CDT Mon Jul 12 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM CDT THIS
AFTERNOON FOR SOUTHEASTERN PECOS AND TERRELL COUNTIES...
At 1109 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Dryden, Sanderson and Terrell County Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Remain alert for flooding even in locations not receiving rain.
Arroyos, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.
&&
LAT...LON 3052 10257 3031 10174 3029 10176 2978 10176
2978 10181 2981 10182 2979 10183 2981 10185
2978 10193 2982 10198 2980 10199 2980 10203
2979 10205 2979 10212 2985 10219 2984 10222
2986 10225 2985 10226 2988 10232 3003 10254
FLASH FLOOD...RADAR INDICATED
$$The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 7:50 PM CDT | Special Weather Statement | MAF | Ector | 40 min |
| Jul 11, 7:58 PM CDT | Severe Thunderstorm Warning | MAF | Andrews, Ector, Midland | 62 min |
| Jul 11, 8:06 PM CDT | Areal Flood Advisory | MAF | Ector | 3 hr |
| Jul 11, 8:34 PM CDT | Special Weather Statement | MAF | Crane | 41 min |
| Jul 12, 3:29 AM CDT | Areal Flood Advisory | MAF | Brewster | 3 hr |
| Jul 12, 9:04 AM CDT | Areal Flood Advisory | MAF | Brewster, Pecos, Terrell | 3 hr |
| Jul 12, 5:06 PM CDT | Special Weather Statement | MAF | Glasscock, Howard | 39 min |
| Jul 12, 6:25 PM CDT | Areal Flood Advisory | MAF | Andrews, Gaines | 3 hr |
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.