Alert archive / Texas / Flash Flood Warnings in 2020

Flash Flood Warning 13, NWS Midland/Odessa, TX

May 15, 20205 counties in Texas

NWS Midland/Odessa, TX issued this flash flood warning at May 15, 2020, 4:33 PM CDT for 5 counties in Texas. It was in force for 6 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 15, 2020, 4:33 PM CDT (21:33 UTC)
Expired: May 15, 2020, 10:30 PM CDT
In force: 6 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Flood severity: None

Counties Andrews County, TX, Glasscock County, TX, Howard County, TX, Martin County, TX, Midland County, TX

The radar

The Midland/Odessa radar (KMAF), 60 km from the middle of the area, began a volume at 21:35 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.

What was reported inside it

Time	Report	Where	Remark
May 15, 4:45 PM CDT	FLASH FLOOD	Stanton, TX	4 STALLED CARS
May 15, 6:05 PM CDT	FLASH FLOOD	1 Ne Stanton, TX	MINI VAN FLOOD UP TO STEERING WHEEL ON SERVICE ROAD AT MILE MARKER 158 ON I-20.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 9.6 hours before the alert went out and 61 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: 2781 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 1062 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 151 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

987 
WGUS54 KMAF 152133
FFWMAF
TXC003-173-227-317-329-160030-
/O.NEW.KMAF.FF.W.0013.200515T2133Z-200516T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
433 PM CDT Fri May 15 2020

The National Weather Service in Midland has issued a

* Flash Flood Warning for...
  Northwestern Glasscock County in western Texas...
  Northeastern Andrews County in western Texas...
  Northeastern Midland County in western Texas...
  Southwestern Howard County in western Texas...
  Martin County in western Texas...

* Until 730 PM CDT.

* At 432 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have
  already fallen. Flash flooding is ongoing or expected to begin
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  IMPACT...Flooding of small creeks and streams, urban areas, 
           highways, streets and underpasses as well as other 
           drainage and low lying areas.

* Some locations that will experience flooding include...
  Midland, Big Spring, Greenwood, Stanton, Sand Springs, Lomax,
  Lenorah, Tarzan, Big Spring Country Club, Courtney, Big Spring
  McMahon-Wrinkle Airpark, Knott, Stanton Municipal Aiport and Elbow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Stay away or be swept away. River banks and culverts can become
unstable and unsafe.

&&

LAT...LON 3241 10134 3217 10133 3194 10194 3243 10246

FLASH FLOOD...RADAR INDICATED

$$

10

2 follow-up statements

168 
WGUS54 KMAF 152211
FFWMAF
TXC003-173-227-317-329-160330-
/O.EXT.KMAF.FF.W.0013.000000T0000Z-200516T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
511 PM CDT Fri May 15 2020

The National Weather Service in Midland has extended the

* Flash Flood Warning for...
  Northwestern Glasscock County in western Texas...
  Northeastern Andrews County in western Texas...
  Northeastern Midland County in western Texas...
  Southwestern Howard County in western Texas...
  Martin County in western Texas...

* Until 1030 PM CDT.

* At 510 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to three inches of rain have 
  already fallen. Flash flooding is already occurring. Stalled cars 
  have been reported in Stanton.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Law Enforcement.

  IMPACT...Flooding of small creeks and streams, urban areas, 
           highways, streets and underpasses as well as other 
           drainage and low lying areas.

* Some locations that will experience flooding include...
  Midland, Big Spring, Greenwood, Stanton, Sand Springs, Lomax,
  Lenorah, Tarzan, Big Spring Country Club, Courtney, Big Spring
  McMahon-Wrinkle Airpark, Knott, Stanton Municipal Aiport and Elbow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Stay away or be swept away. River banks and culverts can become
unstable and unsafe.

&&

LAT...LON 3241 10134 3217 10133 3194 10194 3243 10246

FLASH FLOOD...RADAR INDICATED

$$

10

337 
WGUS74 KMAF 152359
FFSMAF

Flash Flood Statement
National Weather Service Midland/Odessa TX
659 PM CDT Fri May 15 2020

TXC003-173-227-317-329-160330-
/O.CON.KMAF.FF.W.0013.000000T0000Z-200516T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Glasscock TX-Andrews TX-Midland TX-Howard TX-Martin TX-
659 PM CDT Fri May 15 2020

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FRIDAY
FOR NORTHWESTERN GLASSCOCK...NORTHEASTERN ANDREWS...NORTHEASTERN
MIDLAND...SOUTHWESTERN HOWARD AND MARTIN COUNTIES...

At 659 PM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Up to three inches of rain have already
fallen. Flash flooding is already occurring and more rain is 
expected.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flooding of small creeks and streams, urban areas, 
         highways, streets and underpasses as well as other drainage 
         and low lying areas.

Some locations that will experience flooding include...
Midland, Big Spring, Greenwood, Stanton, Sand Springs, Lomax,
Lenorah, Tarzan, Big Spring Country Club, Courtney, Big Spring
McMahon-Wrinkle Airpark, Knott, Stanton Municipal Aiport and Elbow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Stay away or be swept away. River banks and culverts can become
unstable and unsafe.

&&

LAT...LON 3241 10134 3217 10133 3194 10194 3243 10246

FLASH FLOOD...RADAR INDICATED

$$

10

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 7:42 PM CDT	Special Weather Statement	MAF	Terrell	48 min
May 14, 8:02 PM CDT	Severe Thunderstorm Warning	MAF	Pecos, Terrell	58 min
May 15, 11:56 AM CDT	Special Weather Statement	MAF	Brewster	34 min
May 15, 1:32 PM CDT	Special Weather Statement	MAF	Brewster	43 min
May 15, 2:18 PM CDT	Special Weather Statement	MAF	Brewster	27 min
May 15, 2:31 PM CDT	Severe Thunderstorm Warning	MAF	Brewster	59 min
May 15, 2:34 PM CDT	Special Weather Statement	MAF	Dawson	26 min
May 15, 2:35 PM CDT	Special Weather Statement	MAF	Glasscock	25 min
May 15, 2:40 PM CDT	Special Weather Statement	MAF	Martin	35 min
May 15, 2:48 PM CDT	Severe Thunderstorm Warning	MAF	Glasscock, Howard, Martin, Midland	57 min
May 15, 2:50 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Borden, Dawson, Martin	40 min
May 15, 3:00 PM CDT	Special Weather Statement	MAF	Andrews	30 min
May 15, 3:04 PM CDT	Special Weather Statement	MAF	Ector	41 min
May 15, 3:12 PM CDT	Flash Flood Warning	MAF	Brewster	3 hr
May 15, 3:23 PM CDT	Special Weather Statement	MAF	Andrews	37 min
May 15, 3:23 PM CDT	Severe Thunderstorm Warning	MAF	Borden, Dawson, Martin	82 min
May 15, 3:24 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Dawson, Gaines, Martin	66 min
May 15, 3:25 PM CDT	Special Weather Statement	MAF	Ector	50 min
May 15, 3:26 PM CDT	Severe Thunderstorm Warning	MAF	Glasscock, Howard, Martin, Midland	64 min
May 15, 3:29 PM CDT	Special Weather Statement	MAF	Gaines	31 min
May 15, 3:29 PM CDT	Severe Thunderstorm Warning	MAF	Brewster	61 min
May 15, 3:30 PM CDT	Areal Flood Advisory	MAF	Andrews, Borden, Dawson, Gaines, Howard, Martin	3 hr
May 15, 3:32 PM CDT	Special Weather Statement	MAF	Crane	58 min
May 15, 3:36 PM CDT	Special Weather Statement	MAF	Andrews	39 min
May 15, 3:37 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Ector	53 min
May 15, 3:46 PM CDT	Special Weather Statement	MAF	Terrell	59 min
May 15, 3:46 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Gaines	59 min
May 15, 3:48 PM CDT	Special Weather Statement	MAF	Borden	27 min
May 15, 3:50 PM CDT	Flash Flood Warning	MAF	Ector	3 hr
May 15, 3:53 PM CDT	Flash Flood Warning	MAF	Andrews, Borden, Dawson, Gaines, Martin	3 hr
May 15, 4:14 PM CDT	Special Weather Statement	MAF	Scurry	31 min
May 15, 4:28 PM CDT	Special Weather Statement	MAF	Ector	47 min
May 15, 4:31 PM CDT	Areal Flood Advisory	MAF	Ector	3 hr
May 15, 4:31 PM CDT	Severe Thunderstorm Warning	MAF	Borden, Dawson, Glasscock, Howard, Martin, Midland	59 min
May 15, 4:36 PM CDT	Areal Flood Advisory	MAF	Brewster, Pecos, Terrell	3 hr
May 15, 4:36 PM CDT	Special Weather Statement	MAF	Terrell	24 min
May 15, 4:41 PM CDT	Special Weather Statement	MAF	Scurry	49 min
May 15, 4:47 PM CDT	Special Weather Statement	MAF	Andrews	43 min
May 15, 4:48 PM CDT	Special Weather Statement	MAF	Terrell	42 min
May 15, 4:52 PM CDT	Severe Thunderstorm Warning	MAF	Midland	38 min
May 15, 5:01 PM CDT	Special Weather Statement	MAF	Crockett	44 min
May 15, 5:03 PM CDT	Special Weather Statement	MAF	Glasscock	27 min
May 15, 5:13 PM CDT	Severe Thunderstorm Warning	MAF	Glasscock	62 min
May 15, 5:22 PM CDT	Severe Thunderstorm Warning	MAF	Crane, Ector	30 min
May 15, 5:26 PM CDT	Special Weather Statement	MAF	Reagan	49 min
May 15, 5:29 PM CDT	Special Weather Statement	MAF	Midland	46 min
May 15, 5:32 PM CDT	Flash Flood Warning	MAF	Glasscock, Howard, Midland, Reagan, Upton	3 hr
May 15, 5:32 PM CDT	Special Weather Statement	MAF	Howard	43 min
May 15, 5:36 PM CDT	Severe Thunderstorm Warning	MAF	Glasscock, Howard	54 min
May 15, 5:51 PM CDT	Special Weather Statement	MAF	Ector	54 min
May 15, 5:58 PM CDT	Areal Flood Advisory	MAF	Borden, Howard, Mitchell, Scurry	3 hr
May 15, 6:04 PM CDT	Severe Thunderstorm Warning	MAF	Mitchell	56 min
May 15, 6:13 PM CDT	Severe Thunderstorm Warning	MAF	Glasscock	62 min
May 15, 6:45 PM CDT	Areal Flood Advisory	MAF	Ector	3 hr

Nearby

Flash Flood Warnings in Texas, 2020 Every flash flood warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.