Alert archive / Texas / Flash Flood Warnings in 2014

Flash Flood Warning 39, NWS Midland/Odessa, TX

September 6, 2014Pecos County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Sep 6, 2014, 6:35 PM CDT for Pecos 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
Sep 6, 2014, 6:35 PM CDT (23:35 UTC)
Expired
Sep 6, 2014, 9:30 PM CDT
In force
3 hr
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Flood severity
None

County Pecos County, TX

The radar

The Midland/Odessa radar (KMAF), 164 km from the middle of the area, began a volume at 23:35 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.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 11.6 hours before the alert went out and 164 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 12:00Z on 2014-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 145 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 12:00Z on 2014-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 square meters per square second.1939Sfc1 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
145 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
512 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

653 
WGUS54 KMAF 062335
FFWMAF
TXC371-070230-
/O.NEW.KMAF.FF.W.0039.140906T2335Z-140907T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
635 PM CDT SAT SEP 6 2014

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN PECOS COUNTY IN SOUTHWEST TEXAS...

* UNTIL 930 PM CDT

* AT 631 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED   
  STORMS WITH HEAVY RAIN CAPABLE OF FLASH FLOODING 6 MILES           
  SOUTHEAST OF FORT STOCKTON AND ALONG HIGHWAY 285 WESTWARD. THE     
  STORMS WERE MOVING NORTHWEST AT 15 MPH.

* THE THUNDERSTORM PRODUCING FLASH FLOODING WILL AFFECT THE FOLLOWING
LOCATIONS...
  FORT STOCKTON...
  RURAL AREAS ALONG AND NEAR HIGHWAYS 285 AND 385

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL IS EXPECTED WHICH COULD INCREASE THE POTENTIAL
FOR FLOODING IN THE WARNED AREA.

MOST FLOODING DEATHS ARE PREVENTABLE... AND MANY OCCUR WHEN MOTORISTS
DRIVE ACROSS FLOODED ROADWAYS. IT IS NEVER SAFE TO DRIVE ON FLOODED
ROADS. IT ONLY TAKES A FEW INCHES OF RAPIDLY FLOWING WATER TO QUICKLY
CARRY AWAY YOUR VEHICLE. TURN AROUND... DONT DROWN.

&&

LAT...LON 3077 10357 3100 10335 3093 10289 3087 10274
      3036 10243 3022 10278 3041 10307

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 9:28 PM CDTAreal Flood AdvisoryMAFGaines3 hr
Sep 6, 6:55 AM CDTRiver Flood WarningMAFPresidio24 hr
Sep 6, 8:11 AM CDTRiver Flood WarningMAFPresidio4 days
Sep 6, 9:10 AM CDTRiver Flood WarningMAFPresidio24 hr
Sep 6, 9:10 AM CDTRiver Flood WarningMAFPresidio24 hr
Sep 6, 9:17 AM CDTAreal Flood AdvisoryMAFWard, Winkler3 hr
Sep 6, 9:33 AM CDTAreal Flood WarningMAFPresidio5 hr
Sep 6, 12:23 PM CDTAreal Flood AdvisoryMAFPecos, Reeves, Ward, Winkler3 hr
Sep 6, 4:46 PM CDTAreal Flood AdvisoryMAFPecos119 min

Nearby

Flash Flood Warnings in Texas, 2014Every flash flood warning in 2014

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.