Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 18, NWS Lubbock, TX

July 10, 1997Garza County, Lynn County, Texas

NWS Lubbock, TX issued this flash flood warning at Jul 10, 1997, 6:15 PM CDT for Garza County, Lynn County, Texas. It was in force for 2 hr. 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 10, 1997, 6:15 PM CDT (23:15 UTC)
Expired
Jul 10, 1997, 8:15 PM CDT
In force
2 hr
Issued by
NWS Lubbock, TX
Area
Whole counties

Counties Garza County, TX, Lynn County, TX

The radar

The Lubbock radar (KLBB), 58 km from the middle of the area, began a volume at 23:18 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 12:00Z, 11.3 hours before the alert went out and 149 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 1997-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 942 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 12:00Z on 1997-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
942 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
1224 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
73 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 
TTAA00 KLBB 102316
FFWLBB
TXC169-305-110115-

BULLETIN...EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
615 PM CDT THU JUL 10 1997

THE NATIONAL WEATHER SERVICE IN LUBBOCK TX HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 815 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN NORTHWESTERN TEXAS

   ...GARZA COUNTY
   ...EASTERN LYNN COUNTY
 
THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE MOVING NORTH AT 20
MPH INTO LYNN AND GARZA COUNTIES AT 610 PM CDT.  AS THESE STORMS MOVE
ACROSS EASTERN LYNN AND GARZA COUNTIES...WHERE UP TO 4 INCHES OF
RAIN HAD ALREADY FALLEN TODAY...FLASH FLOODING IS LIKELY.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATEzR DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

JW

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 10, 2:34 PM CDT, 3 hours 41 minutes before
TXZ021>044-110140-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
234 PM CDT THU JUL 10 1997

...A FEW FUNNELS MAY BE SEEN ACROSS THE SOUTH PLAINS...LOW ROLLING
PLAINS...AND SOUTHERN TEXAS PANHANDLE FOR THE REST OF THE AFTERNOON
AND EVENING...

SINCE 2 PM CDT...A FEW REPORTS OF FUNNEL CLOUDS HAVE BEEN
RECEIVED FROM THE PUBLIC. ONE OF THE FUNNEL CLOUDS MAY HAVE
BRIEFLY TOUCHED DOWN EAST OF CROSBYTON...BUT NO DAMAGE HAS BEEN
REPORTED. OTHER FUNNEL CLOUDS MAY FORM THROUGH THE EARLY EVENING
HOURS...BUT NONE THE FUNNELS ARE EXPECTED TO TOUCH DOWN.

IF A FUNNEL CLOUD APPROACHES...YOU SHOULD MOVE TO A SAFE LOCATION
SUCH AS A REINFORCED BUILDING. DAMAGE CAN BE INFLICTED AND DEBRIS
THROWN ABOUT IF A FUNNEL CLOUD TOUCHES THE GROUND.

CONDITIONS WILL REMAIN FAVORABLE FOR THE DEVELOPMENT OF FUNNELS UNTIL
9 PM.

EOS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 3:05 PM CDTSevere Thunderstorm WarningLUBGarza50 min

Nearby

Flash Flood Warnings in Texas, 1997Every flash flood warning in 1997

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.