Alert archive / Texas / Flash Flood Warnings in 2007

Flash Flood Warning 13, NWS Midland/Odessa, TX

September 7, 2007Gaines County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Sep 7, 2007, 11:58 PM CDT for Gaines 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
Sep 7, 2007, 11:58 PM CDT (04:58 UTC)
Expired
Sep 8, 2007, 3:00 AM CDT
In force
3 hr
Issued by
NWS Midland/Odessa, TX
Area
Counties, with a storm outline in the text
Flood severity
None

County Gaines County, TX

The radar

The Midland/Odessa radar (KMAF), 104 km from the middle of the area, began a volume at 05:02 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 00:00Z, 5.0 hours before the alert went out and 103 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 2007-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 855 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 00:00Z on 2007-09-08The 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
855 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
2302 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
41 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 080459
FFWMAF
TXC165-080800-
/X.NEW.KMAF.FF.W.0013.070908T0458Z-070908T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1158 PM CDT FRI SEP 7 2007

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GAINES COUNTY IN WEST TEXAS...

* UNTIL 300 AM CDT

* AT 1157 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
  A THUNDERSTORM NEAR SEMINOLE CAPABLE OF PRODUCING FLASH FLOODING.  
  THIS IS THE THIRD STORM TO MOVE THROUGH THE COUNTY TONIGHT AND IS 
  MOVING EAST AT 10 MPH.  FLOODING IN SEMINOLE IS EXPECTED.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. ACT QUICKLY IF FLOODING IS OBSERVED. MOVE TO
HIGHER GROUND.

LAT...LON 3293 10304 3293 10222 3253 10222 3254 10302
TIME...MOT...LOC 0458Z 277DEG 12KT 3273 10262

$$
1 follow-up statement
000 
WGUS74 KMAF 080517
FFSMAF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1217 AM CDT SAT SEP 8 2007

TXC165-080800-
/X.CON.KMAF.FF.W.0013.000000T0000Z-070908T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GAINES-
1217 AM CDT SAT SEP 8 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 AM CDT FOR
GAINES COUNTY...

AT 1212 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH 
FLOODING IN SEAGRAVES.  WATER WAS RUNNING CURB DEEP AT THE INTERSECTION
OF 385 AND S.H. 83.  THIS STORM WAS LOCATED NEAR SEMINOLE...MOVING 
EAST AT 10 MPH.

THE THUNDERSTORM PRODUCING FLASH FLOODING WILL AFFECT THE FOLLOWING
LOCATIONS...SEMINOLE...FAIRVIEW AND CEDAR LAKE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. ACT QUICKLY IF FLOODING IS OBSERVED. MOVE TO
HIGHER GROUND.

LAT...LON 3293 10304 3293 10222 3253 10222 3254 10302
TIME...MOT...LOC 0517Z 277DEG 12KT 3272 10255

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 9:06 PM CDTFlash Flood WarningMAFGaines3 hr
Sep 7, 10:07 PM CDTFlash Flood WarningMAFDawson3 hr
Sep 7, 10:37 PM CDTFlash Flood WarningMAFAndrews3 hr
Sep 8, 1:19 AM CDTFlash Flood WarningMAFDawson4 hr
Sep 8, 4:00 PM CDTSevere Thunderstorm WarningMAFBrewster45 min
Sep 8, 4:07 PM CDTSevere Thunderstorm WarningMAFCulberson53 min

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.