Alert archive / Texas / Flash Flood Warnings in 2018

Flash Flood Warning 9, NWS Midland/Odessa, TX

June 17, 2018Andrews County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jun 17, 2018, 3:58 AM CDT for Andrews County, 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 17, 2018, 3:58 AM CDT (08:58 UTC)
Expired
Jun 17, 2018, 7:00 AM CDT
In force
3 hr
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Flood severity
None

County Andrews County, TX

The radar

The Midland/Odessa radar (KMAF), 50 km from the middle of the area, began a volume at 08:57 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, 9.0 hours before the alert went out and 49 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, Midland Regional, TX at 00:00Z on 2018-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 585 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, Midland Regional, TX at 00:00Z on 2018-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.193958Sfc1 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
585 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
2094 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

294 
WGUS54 KMAF 170858
FFWMAF
TXC003-171200-
/O.NEW.KMAF.FF.W.0009.180617T0858Z-180617T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
358 AM CDT SUN JUN 17 2018

The National Weather Service in Midland has issued a

* Flash Flood Warning for...
  Andrews County in western Texas...

* Until 700 AM CDT.

* At 357 AM CDT, Doppler radar indicated heavy rain across the 
  warned area. Up to one and one half inch of rain has already 
  fallen in the Andrews. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Andrews, Florey, Frankel City and Andrews County Airport. 

Additional rainfall amounts of one inch are possible in the warned 
area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3251 10222 3209 10222 3209 10276 3251 10280

$$

49

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 7:55 PM CDTSpecial Weather StatementMAF50 min
Jun 16, 9:30 PM CDTAreal Flood AdvisoryMAFEctor, Midland2 hr
Jun 16, 9:45 PM CDTFlash Flood WarningMAFBrewster, Crane, Jeff Davis, Pecos, Reeves, Ward3 hr
Jun 16, 10:05 PM CDTAreal Flood AdvisoryMAFBrewster, Jeff Davis, Presidio3 hr
Jun 17, 12:43 AM CDTFlash Flood WarningMAFBrewster, Crane, Jeff Davis, Pecos, Reeves, Ward6 hr
Jun 17, 3:18 AM CDTAreal Flood AdvisoryMAFBrewster, Pecos, Terrell3 hr
Jun 17, 4:03 AM CDTAreal Flood AdvisoryMAFCrane, Ector3 hr
Jun 17, 4:47 AM CDTFlash Flood WarningMAFEctor3 hr
Jun 17, 6:06 AM CDTAreal Flood AdvisoryMAFMidland114 min
Jun 17, 6:43 AM CDTAreal Flood AdvisoryMAFBrewster, Crane, Jeff Davis, Pecos, Reeves, Ward3 hr
Jun 17, 7:33 AM CDTAreal Flood AdvisoryMAFBrewster, Presidio3 hr

Nearby

Flash Flood Warnings in Texas, 2018Every flash flood warning in 2018

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.