Alert archive / Texas / Flash Flood Warnings in 2007

Flash Flood Warning 21, NWS Lubbock, TX

July 13, 2007Hale County, Texas

NWS Lubbock, TX issued this flash flood warning at Jul 13, 2007, 3:37 AM CDT for Hale County, Texas. It took effect at Jul 13, 2007, 3:43 AM CDT. It was in force for 77 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 13, 2007, 3:37 AM CDT (08:37 UTC)
In effect from
Jul 13, 2007, 3:43 AM CDT
Expired
Jul 13, 2007, 5:00 AM CDT
In force
77 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Hale County, TX

The radar

The Lubbock radar (KLBB), 46 km from the middle of the area, began a volume at 08:37 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 8.6 hours before the alert went out and 129 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, Amarillo Airport, TX at 00:00Z on 2007-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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, Amarillo Airport, TX at 00:00Z on 2007-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
4 J/kg
Mixed-layer CIN
-233 J/kg
Mixed-layer LCL
1960 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
-3 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KLUB 130843
FFWLUB
TXC189-131000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
337 AM CDT FRI JUL 13 2007

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN HALE COUNTY IN NORTHWEST TEXAS.

* UNTIL 500 AM CDT

* AT 336 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  LOCALIZED BUT VERY HEAVY RAIN OVER NORTHERN HALE COUNTY. RAINFALL  
  RATES BETWEEN 1 AND 2 INCHES PER HOUR WERE FALLING AS              
  THUNDERSTORMS CONTINUALLY TRACK EASTWARD ALONG HIGHWAY 70 AND OVER 
  THE CITY OF PLAINVIEW...WHERE THE WEST TEXAS MESONET RECORDED 1.30 
  INCHES OF RAINFALL IN A THIRTY MINUTE PERIOD AROUND MIDNIGHT.      
  ADDITIONAL RAINFALL WILL INCREASE THE LIKELIHOOD OF FLASH          
  FLOODING THROUGH 5 AM.

* SOME LOCATIONS THAT MAY EXPERIENCE FLOODING FROM THIS STORM INCLUDE
  PLAINVIEW...HALFWAY...U.S. HIGHWAY 70...AND INTERSTATE 27.

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.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

LAT...LON 3428 10206 3411 10207 3401 10157 3429 10159

$$
1 follow-up statement
000 
WGUS74 KLUB 130912
FFSLUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
410 AM CDT FRI JUL 13 2007

TXC189-131000-
HALE TX-
410 AM CDT FRI JUL 13 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR
NORTHERN HALE COUNTY...

AT 410 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODING IN 
NUMEROUS CITY STREETS WITH WATER FLOWING ABOVE THE CURBS AND INTO 
YARDS AND PARKING LOTS IN PLAINVIEW. THUNDERSTORMS PRODUCING VERY 
HEAVY RAIN WILL BEGIN TO DIMINISH OVER PLAINVIEW AND THE SURROUNDING 
WITHIN THE NEXT HALF HOUR...HOWEVER...RUNOFF MAY CONTINUE TO PRESENT 
A FLASH FLOOD THREAT THROUGH 5 AM.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

LAT...LON 3428 10206 3411 10207 3401 10157 3429 10159

$$

The office that day

Everything else NWS Lubbock, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 13, 6:47 AM CDTFlash Flood WarningLUBKent118 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.