Alert archive / Texas / Flash Flood Warnings in 2007

Flash Flood Warning 4, NWS Midland/Odessa, TX

August 30, 2007Ector County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Aug 30, 2007, 8:18 PM CDT for Ector 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 30, 2007, 8:18 PM CDT (01:18 UTC)
Expired
Aug 30, 2007, 11:15 PM CDT
In force
3 hr
Issued by
NWS Midland/Odessa, TX
Area
Counties, with a storm outline in the text
Flood severity
None

County Ector County, TX

The radar

The Midland/Odessa radar (KMAF), 42 km from the middle of the area, began a volume at 01:18 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 00:00Z, 1.3 hours before the alert went out and 42 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 00:00Z on 2007-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 176 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 00:00Z on 2007-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
176 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1827 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
34 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.

000 
WGUS54 KMAF 310126
FFWMAF
TXC135-310415-
/X.NEW.KMAF.FF.W.0004.070831T0118Z-070831T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
818 PM CDT THU AUG 30 2007

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

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

* UNTIL 1115 PM CDT

* AT 812 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS 
  DETECTED SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY 
  RAINFALL ACROSS WESTERN ECTOR COUNTY. AT 818 PM CDT...
  DOPPLER RADAR ESTIMATES RAINFALL AMOUNTS OF 1 TO 3 INCHES
  ALONG FARM TO MARKET ROAD 866 AND ALONG STATE HIGHWAY 302
  WEST OF NOTREES. SHOWERS AND THUNDERSTORMS WILL MOVE TO THE
  SOUTHWEST AROUND 10 MPH AND WILL BE CAPABLE OF PRODUCING
  AN ADDITIONAL 1 TO 2 INCHES OF RAINFALL THROUGH 10 PM CDT. 
  
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST
  ODESSA...NOTREES...GOLDSMITH...STATE HIGHWAY 302 AND FARM TO
  MARKET ROAD 866.

FLASH FLOODING OF CREEKS AND STREAMS... STREETS AND UNDERPASSES...LOW
WATER CROSSINGS... AND LOW LYING FARMLAND IS LIKELY. DO NOT DRIVE
ACROSS FLOODED ROADS.

MOST FLOODING DEATHS ARE PREVENTABLE...AND MANY OCCUR WHEN MOTORISTS 
DRIVE ACROSS FLOODED ROADWAYS. 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 3208 10279 3207 10252 3174 10244 3166 10247
      3166 10279
TIME...MOT...LOC 0118Z 180DEG 0KT 3184 10250

$$
2 follow-up statements
000 
WGUS74 KMAF 310233
FFSMAF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
920 PM CDT THU AUG 30 2007

TXC135-310415-
/X.CON.KMAF.FF.W.0004.000000T0000Z-070831T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ECTOR-
920 PM CDT THU AUG 30 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
WESTERN ECTOR COUNTY...

AT 916 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
DETECT SHOWERS ACROSS WESTERN ECTOR COUNTY. ALTHOUGH PRECIPITATION 
INTENSITY CONTINUES TO DECREASE...RUNOFF FROM EARLIER VERY HEAVY 
RAINFALL WILL CONTINUE TO POSE A FLASH FLOOD THREAT ACROSS PORTIONS 
OF WESTERN ECTOR COUNTY...INCLUDING FARM TO MARKET ROADS 866...2020 
AND 1601. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST 
ODESSA...NOTREES...AND GOLDSMITH

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.

FLASH FLOODING OF CREEKS AND STREAMS... STREETS AND UNDERPASSES...LOW
WATER CROSSINGS... AND LOW LYING FARMLAND IS LIKELY. DO NOT DRIVE
ACROSS FLOODED ROADS.

LAT...LON 3208 10279 3207 10252 3174 10244 3166 10247
      3166 10279
TIME...MOT...LOC 0220Z 180DEG 0KT 3178 10259

$$
000 
WGUS74 KMAF 310304
FFSMAF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
957 PM CDT THU AUG 30 2007

TXC135-310415-
/X.CON.KMAF.FF.W.0004.000000T0000Z-070831T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ECTOR-
957 PM CDT THU AUG 30 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
WESTERN ECTOR COUNTY...

AT 930 PM CDT...TRAINED WEATHER SPOTTERS REPORTED ONE FOOT OF WATER 
OVER THE ROADWAY AT THE INTERSECTION OF SOUTH KNOX AVENUE AND WEST 
EDNA STREET IN WEST ODESSA. 

AT 956 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE 
HEAVY RAINFALL HAD COME TO AN END ACROSS WESTERN ECTOR COUNTY...WITH 
ONLY LIGHT SHOWERS EXPECTED THROUGH 1115 PM CDT. HOWEVER...RUNOFF 
FROM EARLIER VERY HEAVY RAINFALL WILL CONTINUE TO POSE A FLASH FLOOD 
THREAT ACROSS PORTIONS OF WESTERN ECTOR COUNTY.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST 
ODESSA...NOTREES...GOLDSMITH...FARM TO MARKET ROADS 866 AND 2020. 

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.

FLASH FLOODING OF CREEKS AND STREAMS... STREETS AND UNDERPASSES...LOW
WATER CROSSINGS... AND LOW LYING FARMLAND IS LIKELY. DO NOT DRIVE
ACROSS FLOODED ROADS.

LAT...LON 3208 10279 3207 10252 3174 10244 3166 10247
      3166 10279
TIME...MOT...LOC 0257Z 180DEG 0KT 3178 10259

$$

Nearby

Flash Flood Warnings in Texas, 2007Every flash flood warning in 2007

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.