Alert archive / Texas / Flash Flood Warnings in 2012

Flash Flood Warning 32, NWS Midland/Odessa, TX

September 28, 2012Ector County, Midland County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Sep 28, 2012, 7:28 AM CDT for Ector County, Midland County, Texas. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 28, 2012, 7:28 AM CDT (12:28 UTC)
Expired
Sep 28, 2012, 10:30 AM CDT
In force
3 hr
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Flood severity
None

Counties Ector County, TX, Midland County, TX

The radar

The Midland/Odessa radar (KMAF), 18 km from the middle of the area, began a volume at 12:32 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.

What was reported inside it

TimeReportWhereRemark
Sep 28, 8:05 AM CDTFLASH FLOOD4 W Midland, TXBOTH ACCESS ROADS AT LOOP 250 WEST AND BI-20 FLOODED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 0.5 hours before the alert went out and 318 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 2012-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1643 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 2012-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
1643 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
464 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

035 
WGUS54 KMAF 281228
FFWMAF
TXC135-329-281530-
/O.NEW.KMAF.FF.W.0032.120928T1228Z-120928T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
728 AM CDT FRI SEP 28 2012

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ECTOR COUNTY IN WEST TEXAS...
  MIDLAND COUNTY IN WEST TEXAS...

* UNTIL 1030 AM CDT

* AT 725 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
  THUNDERSTORMS PRODUCING FLASH FLOODING ACROSS MIDLAND AND ODESSA.
  IN THE PAST...THIS TYPE OF RAINFALL HAS CAUSED MAJOR FLOODING ON 
  AREA ROADWAYS INCLUDING CARS BEING SWEPT AWAY.  LOCAL AREA EMERGENCIES
  REMAIN IN EFFECT FOR ECTOR AND MIDLAND COUNTIES.

* THE THUNDERSTORM PRODUCING FLASH FLOODING WILL AFFECT THE FOLLOWING
LOCATIONS...
  MIDLAND...
  ODESSA...
  GREENWOOD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3206 10277 3207 10179 3167 10180 3166 10275

$$
2 follow-up statements
795 
WGUS74 KMAF 281318
FFSMAF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
818 AM CDT FRI SEP 28 2012

TXC135-329-281530-
/O.CON.KMAF.FF.W.0032.000000T0000Z-120928T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ECTOR-MIDLAND-
818 AM CDT FRI SEP 28 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT FOR
MIDLAND AND ECTOR COUNTIES...

AT 814 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
MONITOR FLASH FLOODING ACROSS THE WARNED AREA. NUMEROUS ROADS ARE 
CLOSED DUE TO FLOODING AND SEVERAL CARS ARE STRANDED IN HIGH WATER 
IN BOTH MIDLAND AND ODESSA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WARFIELD...
VALLEY VIEW...SPRABERRY...NOTREES...NORTH COWDEN...MISSION DORADO...
MIDLAND INTERNATIONAL AIRPORT...MIDLAND...GREENWOOD...GOLDSMITH...
GARDENDALE AND COTTON FLAT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOST FLOODING DEATHS ARE PREVENTABLE. TURN AROUND... DONT
DROWN.

&&

LAT...LON 3206 10277 3207 10179 3167 10180 3166 10275

$$
237 
WGUS74 KMAF 281426
FFSMAF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
926 AM CDT FRI SEP 28 2012

TXC135-329-281530-
/O.CON.KMAF.FF.W.0032.000000T0000Z-120928T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ECTOR-MIDLAND-
926 AM CDT FRI SEP 28 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT FOR
MIDLAND AND ECTOR COUNTIES...

AT 918 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED AREA.
FLASH FLOODING CONTINUES ACROSS ECTOR AND MIDLAND COUNTIES WITH THE 
LAST REPORT OF WATER RESCUES BEING AROUND NINE AM.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WARFIELD...
VALLEY VIEW...SPRABERRY...NOTREES...NORTH COWDEN...MISSION DORADO...
MIDLAND INTERNATIONAL AIRPORT...MIDLAND...GREENWOOD...GOLDSMITH...
GARDENDALE AND COTTON FLAT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOST FLOODING DEATHS ARE PREVENTABLE. TURN AROUND... DONT
DROWN.

&&

LAT...LON 3206 10277 3207 10179 3167 10180 3166 10275

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 27, 7:04 PM CDTAreal Flood AdvisoryMAFMidland3 hr
Sep 28, 3:54 AM CDTAreal Flood AdvisoryMAFMidland3 hr
Sep 28, 4:11 AM CDTFlash Flood WatchMAFAndrews, Borden, Crane, Dawson, Ector, Gaines and 13 more33 hr
Sep 28, 4:45 AM CDTFlash Flood WarningMAFEctor, Midland3 hr
Sep 28, 5:13 AM CDTAreal Flood AdvisoryMAFBorden, Dawson, Howard, Martin3 hr
Sep 28, 5:53 AM CDTFlash Flood WarningMAFHoward3 hr
Sep 28, 7:03 AM CDTFlash Flood WarningMAFMartin3 hr
Sep 28, 7:07 AM CDTFlash Flood WarningMAFMitchell3 hr
Sep 28, 8:01 AM CDTAreal Flood AdvisoryMAFBorden, Scurry3 hr
Sep 28, 8:04 AM CDTAreal Flood AdvisoryMAFGlasscock3 hr
Sep 28, 9:02 AM CDTFlash Flood WarningMAFHoward4 hr
Sep 28, 9:49 AM CDTFlash Flood WarningMAFMitchell4 hr
Sep 28, 10:07 AM CDTAreal Flood AdvisoryMAFMartin3 hr
Sep 28, 10:21 AM CDTAreal Flood AdvisoryMAFCrane, Upton3 hr
Sep 28, 10:22 AM CDTFlash Flood WarningMAFEctor, Midland4 hr
Sep 28, 10:28 AM CDTAreal Flood AdvisoryMAFPecos, Terrell3 hr
Sep 28, 11:07 AM CDTAreal Flood AdvisoryMAFScurry3 hr
Sep 28, 12:06 PM CDTAreal Flood AdvisoryMAFWard114 min
Sep 28, 1:37 PM CDTRiver Flood WarningMAFMitchell7 hr
Sep 28, 2:03 PM CDTAreal Flood AdvisoryMAFPecos, Reeves, Ward3 hr
Sep 28, 2:53 PM CDTAreal Flood AdvisoryMAFBrewster, Jeff Davis, Pecos, Reeves3 hr
Sep 28, 5:53 PM CDTAreal Flood AdvisoryMAFEctor, Midland3 hr
Sep 28, 6:50 PM CDTRiver Flood WarningMAFPresidio16 hr

Nearby

Flash Flood Warnings in Texas, 2012Every flash flood warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.