Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 52, NWS Midland/Odessa, TX

August 31, 2016Andrews County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Aug 31, 2016, 5:59 PM 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
Aug 31, 2016, 5:59 PM CDT (22:59 UTC)
Expired
Aug 31, 2016, 9:00 PM 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), 76 km from the middle of the area, began a volume at 23:02 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, 11.0 hours before the alert went out and 75 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 2016-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 134 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 2016-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
134 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
869 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
-7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

649 
WGUS54 KMAF 312259
FFWMAF
TXC003-010200-
/O.NEW.KMAF.FF.W.0052.160831T2259Z-160901T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
559 PM CDT WED AUG 31 2016

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN ANDREWS COUNTY IN WESTERN TEXAS...

* UNTIL 900 PM CDT

* AT 556 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS WESTERN ANDREWS COUNTY. UP TO ONE INCH OF RAIN
  HAS ALREADY FALLEN ON PORTIONS OF HIGHWAY 176 FROM 13 TO 25 MILES
  WEST OF ANDREWS...AND AT THE INTERSECTION OF RANCH ROAD 181 AND
  HIGHWAY 115 TO THE SOUTHWEST OF ANDREWS. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  FRANKEL CITY AND RURAL AREAS IN WESTERN ANDREWS COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

&&

LAT...LON 3252 10275 3209 10260 3209 10306 3252 10306

$$

67
1 follow-up statement
122 
WGUS74 KMAF 010000
FFSMAF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
700 PM CDT WED AUG 31 2016

TXC003-010200-
/O.CON.KMAF.FF.W.0052.000000T0000Z-160901T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ANDREWS TX-
700 PM CDT WED AUG 31 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
WESTERN ANDREWS COUNTY...

AT 656 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ALONG HIGHWAY 176 NEAR THE ANDREWS AND LEA COUNTY LINE.
ONE TO TWO INCHES OF RAIN HAVE FALLEN FROM 13 MILES WEST OF ANDREWS
TO THE ANDREWS AND LEA COUNTY LINE SINCE 5 PM CDT...THEREFORE FLASH
FLOODING IS LIKELY OCCURRING IN THESE AREAS. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FRANKEL CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

&&

LAT...LON 3252 10275 3209 10260 3209 10306 3252 10306

$$

67

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 7:42 PM CDTRiver Flood WarningMAFPresidio19 hr
Aug 30, 7:42 PM CDTRiver Flood WarningMAFBrewster, Presidio54 hr
Aug 30, 9:06 PM CDTRiver Flood WarningMAFBrewster47 hr
Aug 31, 3:58 AM CDTAreal Flood AdvisoryMAFGaines3 hr
Aug 31, 8:26 AM CDTRiver Flood WarningMAFPresidio3 days
Aug 31, 1:15 PM CDTFlash Flood WatchMAFAndrews, Gaines30 hr
Aug 31, 2:30 PM CDTAreal Flood AdvisoryMAFLoving, Winkler2 hr
Aug 31, 4:08 PM CDTAreal Flood AdvisoryMAFGaines3 hr
Aug 31, 6:05 PM CDTAreal Flood AdvisoryMAFMartin3 hr
Aug 31, 6:18 PM CDTAreal Flood AdvisoryMAFHoward, Martin3 hr
Aug 31, 6:46 PM CDTAreal Flood AdvisoryMAFEctor3 hr
Aug 31, 6:55 PM CDTAreal Flood AdvisoryMAFMitchell, Scurry3 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.