Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 27, NWS Midland/Odessa, TX

June 28, 2021Dawson County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jun 28, 2021, 4:44 AM CDT for Dawson 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: Jun 28, 2021, 4:44 AM CDT (09:44 UTC)
Expired: Jun 28, 2021, 8:45 AM CDT
In force: 4 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Flood severity: None

County Dawson County, TX

The radar

The Lubbock radar (KLBB), 96 km from the middle of the area, began a volume at 09:44 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, 9.7 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: 1 J/kg
Mixed-layer CIN: -139 J/kg
Mixed-layer LCL: 1096 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: -77 m²/s²
0-3 km storm-relative helicity: -58 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

As transmitted.

241 
WGUS54 KMAF 280944
FFWMAF
TXC115-281345-
/O.NEW.KMAF.FF.W.0027.210628T0944Z-210628T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
444 AM CDT Mon Jun 28 2021

The National Weather Service in Midland/Odessa has issued a

* Flash Flood Warning for...
  Eastern Dawson County in western Texas...

* Until 845 AM CDT.

* At 444 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 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...
  Lamesa Municipal Airport, Los Ybanez, Key, Hancock, Sparenberg and 
  Tenmile.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3296 10172 3296 10169 3267 10169 3263 10169
      3262 10169 3253 10169 3253 10175 3252 10180
      3253 10192 3296 10191 3296 10180 3296 10176
      3296 10175 3296 10174 3296 10173

FLASH FLOOD...RADAR INDICATED

$$

David Hennig

1 follow-up statement

410 
WGUS74 KMAF 281201
FFSMAF

Flash Flood Statement
National Weather Service Midland/Odessa TX
701 AM CDT Mon Jun 28 2021

TXC115-281345-
/O.CON.KMAF.FF.W.0027.000000T0000Z-210628T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dawson TX-
701 AM CDT Mon Jun 28 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 AM CDT THIS 
MORNING FOR EASTERN DAWSON COUNTY...

At 701 AM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 2 and 4 inches of rain have 
fallen. Additional rainfall amounts up to 1 inch 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...
  Lamesa Municipal Airport, Los Ybanez, Key, Hancock, Sparenberg and 
  Tenmile.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3296 10172 3296 10169 3267 10169 3263 10169
      3262 10169 3253 10169 3253 10175 3252 10180
      3253 10192 3296 10191 3296 10180 3296 10176
      3296 10175 3296 10174 3296 10173

FLASH FLOOD...RADAR INDICATED

$$

David Hennig

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 4:52 AM CDT	Areal Flood Advisory	MAF	Borden, Scurry	3 hr
Jun 28, 5:45 AM CDT	Flash Flood Warning	MAF	Ector, Midland	105 min
Jun 28, 6:00 AM CDT	Flash Flood Warning	MAF	Borden, Scurry	3 hr
Jun 28, 7:05 AM CDT	Flash Flood Warning	MAF	Andrews, Ector, Gaines	4 hr
Jun 28, 7:24 AM CDT	Areal Flood Warning	MAF	Reagan	3 hr
Jun 28, 7:34 AM CDT	Areal Flood Warning	MAF	Ector, Midland	3 hr
Jun 28, 7:43 AM CDT	Areal Flood Advisory	MAF	Dawson, Martin	3 hr
Jun 28, 9:13 AM CDT	Areal Flood Warning	MAF	Borden, Dawson, Howard, Mitchell, Scurry	3 hr
Jun 28, 10:32 AM CDT	Areal Flood Advisory	MAF	Ector, Midland	4 hr
Jun 28, 10:50 AM CDT	Areal Flood Advisory	MAF	Dawson, Martin	4 hr
Jun 28, 12:27 PM CDT	Areal Flood Warning	MAF	Borden, Dawson, Scurry	7 hr
Jun 28, 12:53 PM CDT	Areal Flood Advisory	MAF	Culberson, Loving, Reeves, Winkler	4 hr
Jun 28, 2:45 PM CDT	Flash Flood Warning	MAF	Culberson, Loving, Reeves, Winkler	3 hr
Jun 28, 3:03 PM CDT	Areal Flood Warning	MAF	Ector, Midland	3 hr
Jun 28, 3:36 PM CDT	Areal Flood Advisory	MAF	Culberson, Jeff Davis, Reeves	3 hr
Jun 28, 4:52 PM CDT	Areal Flood Advisory	MAF	Glasscock, Howard, Martin, Midland	3 hr
Jun 28, 5:03 PM CDT	Flash Flood Warning	MAF	Midland	98 min
Jun 28, 5:45 PM CDT	Flash Flood Warning	MAF	Loving, Reeves, Ward, Winkler	3 hr
Jun 28, 6:01 PM CDT	Areal Flood Advisory	MAF	Jeff Davis	3 hr
Jun 28, 6:12 PM CDT	Areal Flood Advisory	MAF	Crane, Upton	3 hr
Jun 28, 6:25 PM CDT	Areal Flood Advisory	MAF	Jeff Davis	3 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.