Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 9, NWS Lubbock, TX

June 8, 1997Lynn County, Texas

NWS Lubbock, TX issued this flash flood warning at Jun 8, 1997, 12:33 PM CDT for Lynn 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 counties it named.

The facts

Issued
Jun 8, 1997, 12:33 PM CDT (17:33 UTC)
Expired
Jun 8, 1997, 3:35 PM CDT
In force
3 hr
Issued by
NWS Lubbock, TX
Area
Whole counties

County Lynn County, TX

The radar

The Lubbock radar (KLBB), 53 km from the middle of the area, began a volume at 17:33 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, 5.6 hours before the alert went out and 141 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 1997-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1285 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 1997-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 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
1285 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
770 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
1.1
Supercell composite
5.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBB 081733
FFWLBB
TXC305-082035-

BULLETIN...EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
1233 PM CDT SUN JUN 8 1997

THE NATIONAL WEATHER SERVICE IN LUBBOCK TX HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 335 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN TEXAS

   ...LYNN COUNTY

THUNDERSTORMS CONTINUE TO MOVE THROUGH LYNN COUNTY AND ARE CAUSING
MODERATE TO OCCASIONALLY HEAVY RAINFALL.  ADDITIONAL THUNDERSTORMS
OVER THE NORTHERN PERMIAN BASIN ARE ALSO MOVING TOWARD THE AREA.
RAINFALL HAS ALREADY CAUSED SOME FLOODING OVER SOME ROADWAYS AND
LOW-LYING AREAS...AND THE ADDITIONAL RAINFALL MOVING TOWARD THE AREA
WILL CAUSE ADDITIONAL FLOODING...ESPECIALLY OVER LOW-LYING AREAS.

THE COOP OBSERVER IN TAHOKA REPORTED 2.78 INCHES OF RAINFALL SINCE
MIDNIGHT...WITH MODERATE TO HEAVY RAINFALL CONTINUING.

 
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.
 

&

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 8, 11:34 AM CDT, 59 minutes before
TXZ021>044-082000-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
1134 AM CDT SUN JUN 8 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PORTIONS OF THE
SOUTH PLAINS...AND THE SOUTHERN LOW ROLLING PLAINS THIS AFTERNOON OR
EVENING.

THE THREAT FOR SEVERE WEATHER IS GENERALLY SOUTH OF A LINE FROM
LITTLEFIELD...TO FLOYDADA...TO PADUCAH.

LATE THIS MORNING...A SURFACE BOUNDARY WAS LOCATED FROM THE NORTHERN
PERMIAN BASIN AND EXTREME SOUTHEASTERN NEW MEXICO NORTHEASTWARD TO
NEAR SPUR.  ADDITIONALLY...AN UPPER LEVEL LOW OVER CENTRAL
NEW MEXICO CONTINUES TO MOVE SLOWLY TO THE NORTHEAST TOWARD THE
REGION.

THE ATMOSPHERE IS EXPECTED TO BECOME MORE UNSTABLE THIS AFTERNOON AS
THE UPPER LEVEL SYSTEM APPROACHES THE REGION.  THUNDERSTORMS ARE
EXPECTED TO CONTINUE TO DEVELOP OVER THE AREA THIS AFTERNOON AND
EVENING.

ADDITIONALLY...THE SURFACE BOUNDARY OVER THE PERMIAN BASIN
AND SOUTHERN SOUTH PLAINS WILL ACT AS AN ADDITIONAL FOCUS FOR
THUNDERSTORM DEVELOPMENT LATER TODAY...WITH THUNDERSTORMS LIKELY
FORMING NEAR THIS BOUNDARY AND MOVING TO THE NORTHEAST INTO THE
SOUTHERN SOUTH PLAINS AND LOW ROLLING PLAINS.

A FEW OF THE THUNDERSTORMS COULD BECOME SEVERE LATE THIS AFTERNOON
AND EVENING MAINLY OVER THE SOUTHERN SOUTH PLAINS AND SOUTHERN LOW
ROLLING PLAINS...WITH LARGE HAIL AND HIGH WIND BEING THE MAIN THREAT.

SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON OR EVENING.

EOO

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.