Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 39, NWS Midland/Odessa, TX

August 26, 2016Pecos County, Terrell County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Aug 26, 2016, 6:40 PM CDT for Pecos County, Terrell 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
Aug 26, 2016, 6:40 PM CDT (23:40 UTC)
Expired
Aug 26, 2016, 9:45 PM CDT
In force
3 hr
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Flood severity
None

Counties Pecos County, TX, Terrell County, TX

The radar

The Midland/Odessa radar (KMAF), 192 km from the middle of the area, began a volume at 23:43 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

Del Rio, TX (KDLF), launched 12:00Z, 11.7 hours before the alert went out and 185 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 2016-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 809 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 2016-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
809 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
864 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

975 
WGUS54 KMAF 262340
FFWMAF
TXC371-443-270245-
/O.NEW.KMAF.FF.W.0039.160826T2340Z-160827T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
640 PM CDT FRI AUG 26 2016

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL PECOS COUNTY IN SOUTHWESTERN TEXAS...
  NORTHWESTERN TERRELL COUNTY IN SOUTHWESTERN TEXAS...

* UNTIL 945 PM CDT

* AT 638 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 EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SANDERSON AND LONGFELLOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN ENCOUNTERING FLOODED ROADS...TURN AROUND...DON'T DROWN. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3015 10249 3012 10260 3012 10266 3016 10271
      3020 10272 3028 10251 3035 10247 3044 10247
      3048 10234 3041 10228 3028 10235 3022 10236
      3011 10233 3009 10236

$$

70

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 3:13 AM CDTAreal Flood AdvisoryMAFPresidio3 hr
Aug 26, 3:37 AM CDTAreal Flood AdvisoryMAFBrewster, Presidio3 hr
Aug 26, 9:15 AM CDTRiver Flood WarningMAFBrewster46 hr
Aug 26, 9:15 AM CDTRiver Flood WarningMAFBrewster24 hr
Aug 26, 9:15 AM CDTRiver Flood WarningMAFBrewster54 hr
Aug 26, 2:12 PM CDTAreal Flood AdvisoryMAFUpton3 hr
Aug 26, 4:04 PM CDTAreal Flood AdvisoryMAFEctor, Midland3 hr

Nearby

Flash Flood Warnings in Texas, 2016Every flash flood warning in 2016

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.