Alert archive / Texas / Flash Flood Warnings in 2018

Flash Flood Warning 8, NWS Midland/Odessa, TX

June 17, 20186 counties in Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jun 17, 2018, 12:43 AM CDT for 6 counties in Texas. It was in force for 6 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, 12:43 AM CDT (05:43 UTC)
Expired
Jun 17, 2018, 6:45 AM CDT
In force
6 hr
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Flood severity
None

Counties Brewster County, TX, Crane County, TX, Jeff Davis County, TX, Pecos County, TX, Reeves County, TX, Ward County, TX

The radar

The Midland/Odessa radar (KMAF), 133 km from the middle of the area, began a volume at 05:43 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 00:00Z, 5.7 hours before the alert went out and 133 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.

537 
WGUS54 KMAF 170543
FFWMAF
TXC043-103-243-371-389-475-171145-
/O.NEW.KMAF.FF.W.0008.180617T0543Z-180617T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
1243 AM CDT SUN JUN 17 2018

The National Weather Service in Midland has issued a

* Flash Flood Warning for...
  Northwestern Pecos County in southwestern Texas...
  Southeastern Reeves County in southwestern Texas...
  Northwestern Brewster County in southwestern Texas...
  Ward County in western Texas...
  Southeastern Jeff Davis County in southwestern Texas...
  West central Crane County in western Texas...

* Until 645 AM CDT Sunday.

* At 1238 AM CDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Up to 
  four inches of rain have already fallen in the Coyanosa area and 
  along the Reeves and Pecos County line. Flooding and flash 
  flooding is likely underway. 

* Some locations that will experience flooding include...
  Fort Stockton, Highway 285 near the Reeves and Pecos County line, 
  FM 1450 north of Coyanosa, Monahans, Grandfalls, Barstow, Pyote, 
  Wickett, Fort Stockton-Pecos County Airport, Toyah Lake, Coyanosa, 
  Imperial Reservoir, Royalty and Imperial.

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 3165 10279 3122 10255 3090 10286 3044 10346
      3047 10366 3060 10367 3164 10338

$$

49
1 follow-up statement
586 
WGUS74 KMAF 170934
FFSMAF

Flash Flood Statement
National Weather Service Midland/Odessa TX
434 AM CDT SUN JUN 17 2018

TXC043-103-243-371-389-475-171145-
/O.CON.KMAF.FF.W.0008.000000T0000Z-180617T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pecos TX-Reeves TX-Brewster TX-Ward TX-Jeff Davis TX-Crane TX-
434 AM CDT SUN JUN 17 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR
NORTHWESTERN PECOS...SOUTHEASTERN REEVES...NORTHWESTERN BREWSTER...
WARD...SOUTHEASTERN JEFF DAVIS AND WEST CENTRAL CRANE COUNTIES...

At 431 AM CDT, Doppler radar indicated showers and thunderstorms 
have mostly moved out of the warned area. However over 5 inches of 
rain has fallen in the area and flooding and flash flooding is 
likely occuring. 

Some locations that will experience flooding include...
Fort Stockton, Highway 285 between Pecos and fort Stockton, FM 1450 
and 1776, Monahans, Grandfalls, Barstow, Pyote, Wickett, Fort 
Stockton-Pecos County Airport, Toyah Lake, Coyanosa, Imperial 
Reservoir, Royalty and Imperial.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3165 10279 3122 10255 3090 10286 3044 10346
      3047 10366 3060 10367 3164 10338

$$

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, 3:18 AM CDTAreal Flood AdvisoryMAFBrewster, Pecos, Terrell3 hr
Jun 17, 3:58 AM CDTFlash Flood WarningMAFAndrews3 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.