Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 42, NWS Midland/Odessa, TX

July 3, 20214 counties in Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jul 3, 2021, 12:59 AM CDT for 4 counties in 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 3, 2021, 12:59 AM CDT (05:59 UTC)
Expired: Jul 3, 2021, 4:00 AM CDT
In force: 3 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Flood severity: None

Counties Borden County, TX, Howard County, TX, Martin County, TX, Scurry County, TX

The radar

The Midland/Odessa radar (KMAF), 103 km from the middle of the area, began a volume at 06:02 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, 6.0 hours before the alert went out and 103 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1700 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1302 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 145 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

744 
WGUS54 KMAF 030559
FFWMAF
TXC033-227-317-415-030900-
/O.NEW.KMAF.FF.W.0042.210703T0559Z-210703T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
1259 AM CDT Sat Jul 3 2021

The National Weather Service in Midland/Odessa has issued a

* Flash Flood Warning for...
  Southeastern Borden County in western Texas...
  Northwestern Howard County in western Texas...
  Northeastern Martin County in western Texas...
  Northwestern Scurry County in western Texas...

* Until 400 AM CDT.

* At 1259 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in 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.

* Some locations that will experience flash flooding include...
  Snyder, Ackerly, Fluvanna, Knapp, Vealmoor, Randalls Corner, 
  Winston Field and Knott.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3232 10170 3233 10181 3239 10187 3245 10187
      3249 10183 3253 10177 3253 10169 3257 10169
      3263 10151 3270 10142 3279 10139 3289 10139
      3296 10134 3295 10112 3282 10089 3272 10083
      3268 10083 3265 10090 3261 10123

FLASH FLOOD...RADAR INDICATED

$$

Rick Hluchan

1 follow-up statement

488 
WGUS74 KMAF 030806
FFSMAF

Flash Flood Statement
National Weather Service Midland/Odessa TX
306 AM CDT Sat Jul 3 2021

TXC033-227-317-415-030900-
/O.CON.KMAF.FF.W.0042.000000T0000Z-210703T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Borden TX-Howard TX-Martin TX-Scurry TX-
306 AM CDT Sat Jul 3 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 4 AM CDT EARLY THIS 
MORNING FOR SOUTHEASTERN BORDEN, NORTHWESTERN HOWARD, NORTHEASTERN 
MARTIN AND NORTHWESTERN SCURRY COUNTIES...

At 306 AM CDT, Moderate rain continues across the area as flooding 
continues. Flooded roads are especially difficult to see at night. 
Travel is discouraged.

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...
  Snyder, Ackerly, Fluvanna, Knapp, Vealmoor, Randalls Corner, 
  Winston Field and Knott.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3232 10170 3233 10181 3239 10187 3245 10187
      3249 10183 3253 10177 3253 10169 3257 10169
      3263 10151 3270 10142 3279 10139 3289 10139
      3296 10134 3295 10112 3282 10089 3272 10083
      3268 10083 3265 10090 3261 10123

FLASH FLOOD...RADAR INDICATED

$$

Rick Hluchan

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 2, 7:04 PM CDT	Areal Flood Advisory	MAF	Dawson, Gaines	3 hr
Jul 2, 7:14 PM CDT	Special Weather Statement	MAF	Dawson	46 min
Jul 2, 7:24 PM CDT	Flash Flood Warning	MAF	Dawson, Gaines	3 hr
Jul 2, 7:48 PM CDT	Areal Flood Advisory	MAF	Andrews, Gaines, Winkler	3 hr
Jul 2, 7:58 PM CDT	Special Weather Statement	MAF	Winkler	47 min
Jul 2, 8:17 PM CDT	Special Weather Statement	MAF	Gaines	43 min
Jul 2, 8:26 PM CDT	Severe Thunderstorm Warning	MAF	Winkler	64 min
Jul 2, 8:30 PM CDT	Areal Flood Advisory	MAF	Dawson	4 hr
Jul 2, 8:31 PM CDT	Areal Flood Advisory	MAF	Winkler	2 hr
Jul 2, 9:07 PM CDT	Severe Thunderstorm Warning	MAF	Ward, Winkler	53 min
Jul 2, 9:26 PM CDT	Areal Flood Advisory	MAF	Dawson	5 hr
Jul 2, 10:26 PM CDT	Areal Flood Advisory	MAF	Borden	4 hr
Jul 2, 11:14 PM CDT	Flash Flood Warning	MAF	Andrews, Ector	3 hr
Jul 2, 11:31 PM CDT	Flash Flood Warning	MAF	Martin, Midland	3 hr
Jul 3, 1:03 AM CDT	Areal Flood Advisory	MAF	Borden, Howard, Martin, Mitchell, Scurry	3 hr
Jul 3, 1:19 AM CDT	Flash Flood Warning	MAF	Howard, Mitchell	3 hr
Jul 3, 3:20 AM CDT	Areal Flood Advisory	MAF	Glasscock	3 hr
Jul 3, 5:11 AM CDT	Areal Flood Advisory	MAF	Andrews, Borden, Dawson, Gaines, Howard, Martin	3 hr
Jul 3, 6:15 AM CDT	Flash Flood Warning	MAF	Borden, Dawson, Gaines, Howard, Martin	5 hr
Jul 3, 8:15 AM CDT	Flash Flood Warning	MAF	Mitchell	3 hr
Jul 3, 9:47 AM CDT	River Flood Warning	MAF	Mitchell	39 hr
Jul 3, 1:40 PM CDT	Flash Flood Warning	MAF	Jeff Davis	3 hr
Jul 3, 3:19 PM CDT	Areal Flood Advisory	MAF	Culberson	5 hr
Jul 3, 3:57 PM CDT	Areal Flood Advisory	MAF	Presidio	3 hr
Jul 3, 4:03 PM CDT	Flash Flood Warning	MAF	Culberson	5 hr
Jul 3, 4:29 PM CDT	Areal Flood Advisory	MAF	Brewster	3 hr
Jul 3, 6:08 PM CDT	Special Weather Statement	MAF	Culberson	52 min
Jul 3, 6:57 PM CDT	Areal Flood Advisory	MAF	Scurry	2 hr

Nearby

Flash Flood Warnings in Texas, 2021 Every 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.