Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 3, NWS Lubbock, TX

April 25, 1997Briscoe County, Floyd County, Texas

NWS Lubbock, TX issued this flash flood warning at Apr 25, 1997, 12:51 PM CDT for Briscoe County, Floyd 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
Apr 25, 1997, 12:51 PM CDT (17:51 UTC)
Expired
Apr 25, 1997, 4:00 PM CDT
In force
3 hr
Issued by
NWS Lubbock, TX
Area
Whole counties

Counties Briscoe County, TX, Floyd County, TX

The radar

The Lubbock radar (KLBB), 88 km from the middle of the area, began a volume at 17:51 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, 5.9 hours before the alert went out and 111 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 1997-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1997-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
469 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
534 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 251752
FFWLBB
TXC045-153-252100-

BULLETIN...EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
1251 PM CDT FRI APR 25 1997

THE NATIONAL WEATHER SERVICE IN LUBBOCK TX HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 400 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN THE TEXAS PANHANDLE

   ...BRISCOE COUNTY

IN NORTHWESTERN TEXAS

   ...FLOYD COUNTY
 
HEAVY RAIN CONTINUES TO DEVELOP OVER FLOYD COUNTY AND MOVE SLOWLY
NORTHWARD INTO BRISCOE COUNTY.  RADAR ESTIMATED 2 TO 3 INCHES OF
RAIN HAS FALLEN FROM 1145 AM TO 1245 PM. THIS AREA RECEIVED 3 TO 4
INCHES OF RAIN LAST NIGHT...SO THE RAIN IS FALLING OVER SATURATED
GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE
ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON
FOOT. TO ESCAPE RISING WATER NMOVE UP 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, Apr 25, 11:00 AM CDT, 1 hour 51 minutes before
TXZ021>044-252000-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
1100 AM CDT FRI APR 25 1997

NO SEVERE THUNDERSTORMS ARE EXPECTED OVER THE SOUTH PLAINS...EXTREME
SOUTHERN PANHANDLE...OR THE LOW ROLLING PLAINS THIS AFTERNOON OR
EVENING.

WITH COLD AIR AT THE SURFACE...THE ATMOSPHERE WILL REMAIN
RELATIVELY STABLE OVER THE REGION.  THIS WILL PRECLUDE
THUNDERSTORM DEVELOPMENT THIS AFTERNOON OR EVENING.  HOWEVER...
WITH MOISTURE MOVING OVER THE COLDER AIR AT THE SURFACE...OCCASIONAL
LIGHT TO MODERATE RAIN WILL CONTINUE THROUGH THE DAY.

SPOTTER ACTIVATION WILL NOT BE LIKELY THIS AFTERNOON OR EVENING.

GPS
Special weather statement, Apr 25, 11:01 AM CDT, 1 hour 50 minutes before
TXZ021>044-252000-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
1100 AM CDT FRI APR 25 1997

NO SEVERE THUNDERSTORMS ARE EXPECTED OVER THE SOUTH PLAINS...EXTREME
SOUTHERN PANHANDLE...OR THE LOW ROLLING PLAINS THIS AFTERNOON OR
EVENING.

WITH COLD AIR AT THE SURFACE...THE ATMOSPHERE WILL REMAIN
RELATIVELY STABLE OVER THE REGION.  THIS WILL PRECLUDE
THUNDERSTORM DEVELOPMENT THIS AFTERNOON OR EVENING.  HOWEVER...
WITH MOISTURE MOVLING OVER THE COLDER AIR AT THE SURFACE...OCCASIONAL
LIGHT TO MODERATE RAIN WILL CONTINUE THROUGH THE DAY.

SPOTTER ACTIVATION WILL NOT BE LIKELY THIS AFTERNOON OR EVENING.

GPS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 1:21 PM CDTFlash Flood WarningLUBSwisher3 hr

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.