Alert archive / Texas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 69, NWS Midland/Odessa, TX

September 15, 1986Gaines County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Sep 15, 1986, 6:11 PM CDT for Gaines County, Texas. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Sep 15, 1986, 6:11 PM CDT (23:11 UTC)
Expired
Sep 15, 1986, 7:15 PM CDT
In force
64 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Gaines 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 12:00Z, 11.2 hours before the alert went out and 97 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 1986-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 671 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1986-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939Sfc1 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
671 J/kg
Mixed-layer CIN
-99 J/kg
Mixed-layer LCL
1137 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm 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 15, 4:40 PM CDT, 1 hour 31 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIDLAND TX
440 PM CDT MON SEP 15 1986

AT 425 PM CDT...VERY HEAVY THUNDERSTORMS AND SHOWERS WERE ENCLOSED
WITHIN A 170 MILE WIDE AREA FROM 25 MILES SOUTHWEST OF MARFA TEXAS TO
25 MILES SOUTHWEST OF CLOVIS NEW MEXICO.

HEAVIEST ACTIVITY WAS LOCATED 20 MILES NORTH OF SEMINOLE..10 MILES
NORTHWEST OF SEMINOLE..5 MILES SOUTHWEST OF HOBBS..AND 15 MILES WEST OF
FORT STOCKTOlN.

HIGHS WINDS..SMALL HAIL..LIGHTNING..AND FLOODING OF LOW LYING AREAS CAN
BE EXPECTED. PLEASE SEEK SAFETY IF THREATENING WEATHER APPROACHES.

MOVEMENT  WAS TO THE NORTH AT 5 MILES AN HOUR.
Special weather statement, Sep 15, 5:38 PM CDT, 33 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIDLAND TX
535 PM CDT MON SEP 15 1986

AT 525 PM CDT...VERY HEAVY THUNDERSTORMS AND SHOWERS WERE SACATTERED
FROM SOUTH OF MARATHON TO NEAR PLAINVIEW THEN SOUTHWEST TO VAN HORN.

HEAVIEST ACTIVITY WAS LOCATED 10 MILES SOUTHEAST..AND 15 MILES NORTHEAST
OF SEMINOLE..AND FROM 25 MILES SOUTHWEST OF HOBBS NEW MEXICO TO 10 MILES
EAST OF HOBBS.

HIGHS WINDS..SMALL HAIL..LIGHTNING..AND FLOODING OF LOW LYING AREAS CAN
BE EXPECTED. SEAGRAVES HAS REPORTED FLOODING IN FLOOD PRONE AREAS.

MOVEMENT WAS TO THE NORTHEAST AT 5 MILES AN HOUR.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 6:11 PM CDTFlash Flood WarningMAFAndrews, Gaines3 hr
Sep 15, 6:11 PM CDTSevere Thunderstorm WarningMAFAndrews3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1986Every severe thunderstorm 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.