Alert archive / Texas / Flash Flood Warnings in 1986

Flash Flood Warning 2, NWS Midland/Odessa, TX

May 29, 1986Dawson County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at May 29, 1986, 8:01 PM CDT for Dawson County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 29, 1986, 8:01 PM CDT (01:01 UTC)
Expired
May 30, 1986, 12:00 AM CDT
In force
4 hr
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Dawson 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

Midland Regional, TX (KMAF), launched 00:00Z, 1.0 hours before the alert went out and 91 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 00:00Z on 1986-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 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 00:00Z on 1986-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
20 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
2339 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
8 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 
TTAAOO KMAF 300101
FFWMAF
TXC115-317-329-300500-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
801 PM CDT THU MAY 29 1986
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL MIDNIGHT CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
 
IN NORTHWEST TEXAS
          ..DAWSON..MARTIN
IN SOUTHWEST TEXAS
          ..EASTERN MIDLAND

AT 758 PM CDT SPOTTER REPORTED 3.30 INCHES OF RAIN FELL IN GREENWOOD
TEXAS IN EASTERN MIDLAND COUNTY..WHICH FELL IN ONE HOUR. THE GROUND
WAS REPORTED TO BE COVERED WITH WATER.
 
 
GROUND IN THE PERMIAN BASIN AREA HAS BEEN STATURATED BY PREVIOUS
RAINS AND ADDITIONAL WATER WILL RUN OFF CAUSING FLASH FLOODING AND
FLOODING OF LOW AREAS.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED, ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS, RIVERS, OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

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, May 29, 2:45 PM CDT, 5 hours 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND TX
240 PM CDT THU MAY 29 1986

...VERY HEAVY THUNDERSTORMS OVER SOUTH PLAINS...

AT 230 PM CDT VERY HEAVY THUNDERSTORMS WERE OCCURING 20 MILES EAST AND
10 MILES NORTHWEST OF SNYDER..15 MILES SOUTHWEST OF LUBBOCK..VICINITY
OF TATUM NEW MEXICO..AND 5 MILES WEST OF BALMORHEA.
ELSEWHERE...WIDELY SCATTERED RAINSHOWERS AND THUNDERSTORMS WERE
OCCURING OVER WEST TEXAS AND SOUTHEAST NEW MEXICO.

MOVEMENT WAS EAST AT 25 MILES AN HOUR.

CONDITIONS LOOK FAVORABLE FOR FURTHER STRENGTHENING OF THESE STORMS.
STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO/TV FOR FURTHER STATEMENTS
OR POSSIBLE WARNINGS.
Special weather statement, May 29, 3:44 PM CDT, 4 hours 17 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIDLAND TX
340 PM CDT THU MAY 29 1986

...VERY HEAVY THUNDERSTORMS OVER SOUTH PLAINS...

AT 330 PM CDT VERY HEAVY THUNDERSTORMS WERE OCCURING FROM 25 MILES NORTH
TO 25 MILES EAST OF SNYDER..15 MILES SOUTH OF LUBBOCK..10 MILES SOUTH TO
20 MILES EAST OF TATUM NEW MEXICO..AND 40 MILES SOUTHWEST OF PECOS.
ELSEWHERE...WIDELY SCATTERED RAINSHOWERS AND THUNDERSTORMS WERE
OCCURING OVER WEST TEXAS AND SOUTHEAST NEW MEXICO.

MOVEMENT WAS EAST AT 25 MILES AN HOUR.

CONDITIONS LOOK FAVORABLE FOR FURTHER STRENGTHENING OF THESE STORMS.
STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO/TV FOR FURTHER STATEMENTS
OR POSSIBLE WARNINGS.

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 29, 8:01 PM CDTFlash Flood WarningMAFMartin, Midland4 hr
May 29, 9:43 PM CDTFlash Flood WarningMAFAndrews, Ector2 hr
May 29, 9:43 PM CDTFlash Flood WarningMAFGlasscock, Howard2 hr
May 30, 12:04 AM CDTFlash Flood WarningMAFAndrews, Ector, Midland3 hr
May 30, 12:04 AM CDTFlash Flood WarningMAFGlasscock, Howard, Martin3 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.