Alert archive / Texas / Flash Flood Warnings in 1986

Flash Flood Warning 3, NWS Lubbock, TX

September 22, 1986Bailey County, Lamb County, Texas

NWS Lubbock, TX issued this flash flood warning at Sep 22, 1986, 8:02 PM CDT for Bailey County, Lamb County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Sep 22, 1986, 8:02 PM CDT (01:02 UTC)
Expired
Sep 22, 1986, 11:00 PM CDT
In force
3 hr
Issued by
NWS Lubbock, TX
Area
Whole counties

Counties Bailey County, TX, Lamb County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.0 hours before the alert went out and 153 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 1986-09-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 831 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 00:00Z on 1986-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 square meters per square second.1939Sfc1 km3 km6 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
831 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1275 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
18 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 230102
FFWLBB
TXC017-279-230400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
802 PM CDT MON SEP 22 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 1100 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

NORTHWEST TEXAS...BAILEY AND LAMB

AT 800 PM CDT..SURFACE REPORTS INDICATE VERY HEAVY RAINFALL
OCCURRING OVER EASTERN PARTS OF BAILEY AND WESTERN PARTS OF
LAMB COUNTY.  THE THUNDERSTORMS CAUSING THE RAIN ARE MOVING
VERY SLOWLY.  DURING THE PAST FEW MINUTES..SKYWARN SPOTTERS
REPORTED WATER COVERING HIGHWAY 84 BETWEEN SUDAN AND MULESHOE.
OTHER RURAL ROADWAYS IN BOTH COUNTIES ARE FLO3DDING.

THIS SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS
AND UNDERPASSES.

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, Sep 22, 2:48 PM CDT, 5 hours 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
245 PM CDT MON SEP 22 1986

...STRONG THUNDERSTORMS DEVELOPING OVER EXTREME WESTERN SECTIONS OF
   THE SOUTH PLAINS...

AT 240 PM CDT RADAR SHOWED STRONG THUNDERSTORMS DEVELOPING ALONG THE
TEXAS-NEW MEXICO BORDER FROM ABOUT 15 MILES SOUTHEAST OF CLOVIS NEW
MEXICO TO ABOUT 20 MILES NORTHWEST OF PLAINS TEXAS.  THE STRONGEST
STORM ON THE SOUTH PLAINS WAS LOCATED OVER NORTHWEST COCHRAN COUNTY..
OR ABOUT 10 MILES WEST OF MORTON.

MOVEMENT WAS TO THE NORTHEAST AT 15 MPH.

GUSTY WIND..BRIEF HEAVY RAIN..SMALL HAIL AND DANGEROUS LIGHTNING MAY
BE EXPECTED WITH PASSAGE OF THE STRONGER STORMS AS THEY PROGRESS
NORTHEASTWARD.

STAY TUNED TO YOUR LOCAL RADIO OR TV STATION..OR LISTEN TO NOAA
WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Sep 22, 3:43 PM CDT, 4 hours 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
340 PM CDT MON SEP 22 1986

...STRONG THUNDERSTORMS CONTINUE OVER NORTHWESTERN SECTIONS OF THE
   SOUTH PLAINS...

AT 335 PM CDT RADAR SHOWED SHOWERS AND A FEW STRONG THUNUDERSTORMS
OVER THE NORTHWEST PORTION OF THE SOUTH PLAINS AND THE SOUTHWEST
PORTION OF THE TEXAS PANHNDLE.  THE STRONGEST STORMS ON THE SOUTH
PLAINS WERE LOCATED NEAR MULESHOE IN NORTHEAST BAILEY COUNTY..AND
NEAR MORTON IN NORTHERN COCHRAN COUNTY.

AT 340 PM THE LEADING EDGE OF THE SHOWERS AND THUNDERSTORMS HAD ENTERED
LAMB AND HOCKLEY COUNTIES AS THE STORMS MOVED NORTHEAST AT 15 MPH.

GUSTY WIND..BRIEF HEAVY RAIN..SMALL HAIL AND DANGEROUS LIGHTNING MAY
BE EXPECTED WITH PASSAGE OF THE STRONGER STORMS AS THEY PASS THROUGH
THE AREA.
<
STAY TUNED TO YOUR LOCAL RADIO OR TV STATION..OR LISTEN TO NOAA WEATHER
RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Sep 22, 5:17 PM CDT, 2 hours 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
515 PM CDT MON SEP 22 1986

...SEVERE THUNDERSTORMS HAVE DEVELOPED OVER NORTHWEST HOCKLEY AND
   SOUTHERN LAMB...

AT 445 PM CDT RADAR INDICATED A POSSIBLE TORNADO ABOUT 8 MILES WEST
OF WHITHARRAL IN HOCKLEY COUNTY. THE STORM WAS MOVING TO THE NORTH-
EAST AT ABOUT 15 MILES AN HOUR BUT PRESENT RADAR INDICATIONS SHOW A
CHANGE IN MOVEMENT TO THE EAST AT 20  MILES AN HOUR. THIS MEANS THAT
IT SHOULD BE IN THE VICINITY OF WHITHARRAL ALMOST IMMEDIATELY.

ELSEWHERE OVER THE SOUTH PLAINS SCTTERED THUNDERSTORMS CONTINUE BUT
AT THE PRESENT TIME CONTAIN NO SEVERE WEATHER. THEY ARE PRODUCING
LOCALLY HEAVY RAINS..GUSTY WINDS AND DO HPAVE THE POTENTIAL FOR SMALL
HAIL.

STAY TUNED TO YOUR RADIO OR TV STATION OR TO NOAA WEATHER RADIO FOR
SEVERE WEATHER UPDATES.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 22, 7:23 PM CDTTornado WarningLUBHockley, Terry67 min
Sep 22, 8:37 PM CDTSevere Thunderstorm WarningLUBTerry68 min
Sep 22, 8:51 PM CDTFlash Flood WarningLUBTerry, Yoakum3 hr
Sep 23, 6:14 PM CDTSevere Thunderstorm WarningLUBLubbock61 min
Sep 23, 6:36 PM CDTFlash Flood WarningLUBHockley3 hr

Nearby

Flash Flood Warnings in Texas, 1986Every flash flood warning in 1986

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.