Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 10, NWS Lubbock, TX

June 11, 1997Hale County, Texas

NWS Lubbock, TX issued this flash flood warning at Jun 11, 1997, 6:57 PM CDT for Hale 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
Jun 11, 1997, 6:57 PM CDT (23:57 UTC)
Expired
Jun 11, 1997, 9:00 PM CDT
In force
2 hr
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 23:55 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 12:00Z, 12.0 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 12:00Z on 1997-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1323 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, Amarillo Airport, TX at 12:00Z on 1997-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 295 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
1323 J/kg
Mixed-layer CIN
-121 J/kg
Mixed-layer LCL
625 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
295 m²/s²
0-3 km storm-relative helicity
363 m²/s²
Significant tornado parameter
0.8
Supercell composite
9.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBB 112358
FFWLBB
TXC189-120200-

BULLETIN...EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
657 PM CDT WED JUN 11 1997

THE NATIONAL WEATHER SERVICE IN LUBBOCK TX HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 900 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN TEXAS

   ...SOUTHWESTERN HALE COUNTY
 
RADAR IS INDICATING UPWARDS OF 5 INCHES OF RAIN HAS FALLEN OVER
EXTREME SOUTHWESTERN HALE COUNTY SINCE 5 PM.  THE HEAVIEST RAIN
HAS FALLEN BETWEEN COUNTY LINE AND COTTON CENTER.  STRONG
THUNDERSTORMS CONTINUE TO DEVELOP OVER THIS AREA PRODUCING VERY
HEAVY RAIN...AND THE POTENTIAL FOR FLOODING WILL CONTINUE THROUGH
9 PM.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.
 
JJ

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, Jun 11, 3:38 PM CDT, 3 hours 19 minutes before
TXZ022>044-112345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
338 PM CDT WED JUN 11 1997

...TORNADO WATCH IS IN EFFECT UNTIL 10 PM FOR NEARLY ALL OF THE SOUTH
   PLAINS...ALL OF THE LOW ROLLING PLAINS...AND MOST OF THE EXTREME
   SOUTHERN TEXAS PANHANDLE...

A TORNADO WATCH HAS BEEN ISSUED UNTIL 10 PM FOR THE FOLLOWING
COUNTIES: CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-
HALE-FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING-
YOAKUM-TERRY-LYNN-GARZA-KENT AND STONEWALL

CITIES AND COMMUNITIES INCLUDED IN THE TORNADO WATCH ARE LUBBOCK...
PLAINVIEW...DENVER CITY...TULIA...LITTLEFIELD...LEVELLAND...
CROSBYTON...POST...DICKENS...FLOYDADA...CHILDRESS AND ASPERMONT.

A DRYLINE NEAR THE TEXAS-NEW MEXICO BORDER ALONG WITH DAYTIME
HEATING AND HIGH ATMOSPHERIC MOISTURE IS PRODUCING THUNDERSTORMS
OVER THE AREA THIS AFTERNOON.  THUNDERSTORMS ARE EXPECTED TO
CONTINUE THIS AFTERNOON AND MOST OF THIS EVENING.

SOME OF THESE THUNDERSTORMS WILL LIKELY PRODUCE LARGE HAIL AND
DAMAGING WIND.  ISOLATED TORNADOES ARE ALSO POSSIBLE.

REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
SEVERE THUNDERSTORMS TO DEVELOP IN AND NEAR WATCH AREA...INCLUDING
THE POSSIBILITY OF TORNADOES.  RESIDENTS IN AND NEAR THE WATCH AREA
SHOULD CONTINUE TO MONITOR WEATHER CONDITIONS...AND BE PREPARED TO
MOVE TO A PLACE OF SAFETY IF A WARNING IS ISSUED OR IF SEVERE
WEATHER IS SPOTTED.

EOS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 4:54 PM CDTSevere Thunderstorm WarningLUBHockley51 min
Jun 11, 5:17 PM CDTSevere Thunderstorm WarningLUBHale63 min
Jun 11, 5:37 PM CDTSevere Thunderstorm WarningLUBLubbock63 min
Jun 11, 5:47 PM CDTSevere Thunderstorm WarningLUBBailey48 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.