Alert archive / Texas / Flash Flood Warnings in 2017

Flash Flood Warning 5, NWS Midland/Odessa, TX

May 19, 20174 counties in Texas

NWS Midland/Odessa, TX issued this flash flood warning at May 19, 2017, 8:29 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
May 19, 2017, 8:29 AM CDT (13:29 UTC)
Expired
May 19, 2017, 11:30 AM CDT
In force
3 hr
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Flood severity
None

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

The radar

The Midland/Odessa radar (KMAF), 76 km from the middle of the area, began a volume at 13:29 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 (KDLF), launched 12:00Z, 1.5 hours before the alert went out and 305 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-pSkew-T log-p diagram, Del Rio, TX at 12:00Z on 2017-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2399 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2017-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
2399 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
698 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
158 m²/s²
0-3 km storm-relative helicity
278 m²/s²
Significant tornado parameter
1.4
Supercell composite
10.4

Open this sounding in Storm Lab

The text

As transmitted.

126 
WGUS54 KMAF 191329
FFWMAF
TXC173-227-317-329-191630-
/O.NEW.KMAF.FF.W.0005.170519T1329Z-170519T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
829 AM CDT FRI MAY 19 2017

The National Weather Service in Midland has issued a

* Flash Flood Warning for...
  Northern Glasscock County in western Texas...
  Northeastern Midland County in western Texas...
  Southern Howard County in western Texas...
  Southeastern Martin County in western Texas...

* Until 1130 AM CDT

* At 824 AM CDT, Doppler radar estimated rainfall totals of 3 to 8 
  inches across the warned area. Flooding and Flash flooding is 
  expected along or near highway 87 and ranch roads 818 and 821. The 
  chance for additional rainfall is decreasing, but it will take 
  time for the flood waters to recede.

* Some locations that will experience flooding include...
  Big Spring south, Stanton south, Greenwood, Coahoma, Forsan, 
  Lomax, Lees, South Haven, Elbow, Spraberry, Sand Springs.

This includes low water crossings at County Road 16 at Dugout Creek 
, County Road 14 at Oveton Road and North Concho River Tributary.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3209 10126 3208 10127 3191 10127 3190 10189
      3209 10191 3234 10118 3209 10118

$$

49
1 follow-up statement
323 
WGUS74 KMAF 191516
FFSMAF

Flash Flood Statement
National Weather Service Midland/Odessa TX
1016 AM CDT FRI MAY 19 2017

TXC173-227-317-329-191630-
/O.CON.KMAF.FF.W.0005.000000T0000Z-170519T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Glasscock TX-Midland TX-Howard TX-Martin TX-
1016 AM CDT FRI MAY 19 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 AM CDT FOR
NORTHERN GLASSCOCK...NORTHEASTERN MIDLAND...SOUTHERN HOWARD AND
SOUTHEASTERN MARTIN COUNTIES...

At 1013 AM CDT, Doppler radar indicated heavy rain across the warned 
area. Doppler radar is estimating rainfall totals of 3 to 8 inches 
across the warned area. Flooding and Flash flooding is expected 
along or near highway 87 and ranch roads 818 and 821. The chance for 
additional rainfall is decreasing, but it will take time for the 
flood waters to recede.

Some locations that will experience flooding include...
Big Spring, Stanton, Greenwood, Coahoma, Forsan, Lomax, Lees, South
Haven, Elbow, Spraberry, Sand Springs, Big Spring Country Club, Big
Spring McMahon-Wrinkle Airpark and Midway.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3209 10126 3208 10127 3191 10127 3190 10189
      3209 10191 3234 10118 3209 10118

$$

Strobin

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 2:22 AM CDTSevere Thunderstorm WarningMAFHoward, Mitchell53 min
May 19, 2:39 AM CDTSevere Thunderstorm WarningMAFMitchell, Scurry66 min
May 19, 2:55 AM CDTSevere Thunderstorm WarningMAFAndrews, Ector, Midland65 min
May 19, 3:07 AM CDTSevere Thunderstorm WarningMAFGlasscock, Howard, Martin, Midland, Mitchell53 min
May 19, 3:28 AM CDTTornado WarningMAFMitchell32 min
May 19, 3:53 AM CDTSevere Thunderstorm WarningMAFMitchell67 min
May 19, 4:04 AM CDTSevere Thunderstorm WarningMAFGlasscock, Howard, Martin, Midland, Mitchell56 min
May 19, 4:25 AM CDTAreal Flood AdvisoryMAFGlasscock, Martin, Midland3 hr
May 19, 4:26 AM CDTFlash Flood WarningMAFMitchell7 hr
May 19, 4:43 AM CDTRed Flag WarningMAF16 hr
May 19, 4:50 AM CDTSpecial Weather StatementMAFEctor25 min
May 19, 5:07 AM CDTSpecial Weather StatementMAFHoward, Mitchell38 min
May 19, 5:26 AM CDTFlash Flood WarningMAFGlasscock, Howard, Martin, Midland3 hr
May 19, 5:35 AM CDTSpecial Weather StatementMAFEctor25 min
May 19, 6:02 AM CDTSpecial Weather StatementMAFMidland43 min
May 19, 7:49 AM CDTSevere Thunderstorm WarningMAFMitchell, Scurry26 min
May 19, 8:00 AM CDTSevere Thunderstorm WarningMAFMitchell, Scurry60 min
May 19, 8:59 AM CDTSevere Thunderstorm WarningMAFMitchell, Scurry61 min
May 19, 9:43 AM CDTFlash Flood WarningMAFMitchell, Scurry3 hr
May 19, 9:57 AM CDTSpecial Weather StatementMAFScurry48 min
May 19, 11:26 AM CDTAreal Flood WarningMAFHoward, Mitchell3 hr

Nearby

Flash Flood Warnings in Texas, 2017Every 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.