Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 36, NWS Midland/Odessa, TX

August 25, 2016Dawson County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Aug 25, 2016, 2:47 PM CDT for Dawson 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 25, 2016, 2:47 PM CDT (19:47 UTC)
Expired
Aug 25, 2016, 5:45 PM CDT
In force
3 hr
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Flood severity
None

County Dawson County, TX

The radar

The Midland/Odessa radar (KMAF), 85 km from the middle of the area, began a volume at 19:47 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, 7.8 hours before the alert went out and 84 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 2016-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1007 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 2016-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 198 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
1007 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
911 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
198 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.1

Open this sounding in Storm Lab

The text

As transmitted.

924 
WGUS54 KMAF 251947
FFWMAF
TXC115-252245-
/O.NEW.KMAF.FF.W.0036.160825T1947Z-160825T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
247 PM CDT THU AUG 25 2016

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL DAWSON COUNTY IN WESTERN TEXAS...

* UNTIL 545 PM CDT

* AT 245 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA INCLUDING IN THE CITY OF LAMESA.
  UP TO ONE INCH OF RAIN HAS ALREADY FALLEN. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LAMESA...LOS YBANEZ...HANCOCK...LAMESA MUNICIPAL AIRPORT...
  FRIENDSHIP...ARVANA...TENMILE AND KLONDIKE.

ADDITIONAL RAINFALL AMOUNTS OF 1-2 INCHES 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 3255 10191 3257 10209 3286 10196 3284 10180

$$

03

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 10:22 PM CDTAreal Flood AdvisoryMAFAndrews, Ector113 min
Aug 25, 2:15 PM CDTSpecial Weather StatementMAFCulberson45 min
Aug 25, 2:37 PM CDTAreal Flood AdvisoryMAFBorden, Dawson, Gaines3 hr
Aug 25, 2:52 PM CDTAreal Flood AdvisoryMAFCulberson, Jeff Davis3 hr
Aug 25, 3:41 PM CDTSpecial Weather StatementMAF49 min
Aug 25, 3:42 PM CDTFlash Flood WarningMAFCulberson3 hr
Aug 25, 5:10 PM CDTSpecial Weather StatementMAFReeves50 min
Aug 25, 5:40 PM CDTSpecial Weather StatementMAFCrane50 min
Aug 25, 6:00 PM CDTFlash Flood WarningMAFPecos, Ward3 hr
Aug 25, 6:21 PM CDTAreal Flood AdvisoryMAFGaines3 hr
Aug 25, 6:56 PM CDTAreal Flood WarningMAFPecos2 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.