Alert archive / Texas / Flash Flood Warnings in 2017

Flash Flood Warning 12, NWS Midland/Odessa, TX

June 23, 20176 counties in Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jun 23, 2017, 5:44 PM CDT for 6 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: Jun 23, 2017, 5:44 PM CDT (22:44 UTC)
Expired: Jun 23, 2017, 8:45 PM CDT
In force: 3 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Flood severity: None

Counties Andrews County, TX, Dawson County, TX, Ector County, TX, Gaines County, TX, Martin County, TX, Midland County, TX

The radar

The Midland/Odessa radar (KMAF), 35 km from the middle of the area, began a volume at 22:43 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, 10.7 hours before the alert went out and 34 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: 653 J/kg
Mixed-layer CIN: -379 J/kg
Mixed-layer LCL: 2522 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 35 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

068 
WGUS54 KMAF 232244
FFWMAF
TXC003-115-135-165-317-329-240145-
/O.NEW.KMAF.FF.W.0012.170623T2244Z-170624T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
544 PM CDT FRI JUN 23 2017

The National Weather Service in Midland has issued a

* Flash Flood Warning for...
  Northeastern Ector County in western Texas...
  Andrews County in western Texas...
  Northern Midland County in western Texas...
  Gaines County in western Texas...
  Western Martin County in western Texas...
  Southwestern Dawson County in western Texas...

* Until 845 PM CDT

* At 542 PM CDT, Doppler radar indicated thunderstorms widely 
  producing very heavy rain within the warned area. Flash flooding 
  is expected to begin shortly. People in urban areas should be
  particularly alert to the threat of flooding. Visibilities in
  very heavy rain have also been reportly near zero in the heaviest
  downpours.

* Some locations that will experience flooding include...
  Midland, Andrews, Seminole, Seagraves, Greenwood, Seagraves
  Airport, Cotton Flat, Midland International Air and Space Port,
  Gaines County Airport, Frankel City, Higginbotham, Gaines County
  Park, Spraberry, Tarzan, Florey, Warfield, McKenzie Lake, Midland
  Airpark, Fairview and Courtney.

LAT...LON 3208 10178 3179 10178 3192 10225 3199 10249
      3214 10294 3295 10303 3295 10249

$$

05

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 3:37 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Gaines	53 min
Jun 23, 4:19 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Gaines	56 min
Jun 23, 4:27 PM CDT	Flash Flood Warning	MAF	Andrews, Gaines	3 hr
Jun 23, 4:38 PM CDT	Special Weather Statement	MAF	Culberson	67 min
Jun 23, 4:43 PM CDT	Severe Thunderstorm Warning	MAF	Mitchell, Scurry	62 min
Jun 23, 4:44 PM CDT	Special Weather Statement	MAF	Jeff Davis, Presidio	46 min
Jun 23, 5:05 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Ector, Gaines, Martin, Midland, Winkler	55 min
Jun 23, 5:22 PM CDT	Severe Thunderstorm Warning	MAF	Mitchell	68 min
Jun 23, 5:51 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Ector, Winkler	54 min
Jun 23, 5:53 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Dawson, Gaines, Martin	67 min
Jun 23, 5:54 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Ector, Glasscock, Martin, Midland	66 min
Jun 23, 6:16 PM CDT	Flash Flood Warning	MAF	Mitchell	3 hr
Jun 23, 6:27 PM CDT	Severe Thunderstorm Warning	MAF	Mitchell	26 min
Jun 23, 6:46 PM CDT	Severe Thunderstorm Warning	MAF	Crane, Pecos, Reeves, Upton, Ward	59 min
Jun 23, 6:49 PM CDT	Severe Thunderstorm Warning	MAF	Dawson, Glasscock, Howard, Martin	56 min

Nearby

Flash Flood Warnings in Texas, 2017 Every flash flood warning in 2017

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.