Alert archive / Texas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 13, NWS Lubbock, TX

May 4, 1986Floyd County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at May 4, 1986, 11:00 PM CDT for Floyd County, Texas. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
May 4, 1986, 11:00 PM CDT (04:00 UTC)
Expired
May 5, 1986, 12:00 AM CDT
In force
60 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Floyd 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, 4.0 hours before the alert went out and 134 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 1986-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 810 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, Amarillo Airport, TX at 00:00Z on 1986-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 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
810 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
2313 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
226 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

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, May 4, 6:33 PM CDT, 4 hours 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
630 PM CDT SUN MAY 4 1986

...THUNDERSTORMS DEVELOPING ALONG THE TEXAS NEW MEXICO BORDER...

AT 625 PM CDT LUBBOCK RADAR SHOWED WIDELY SCATTERED THUNDERSTORMS
OVER THE WESTERN PORTION OF THE PANHANDLE AND OVER EASTERN NEW
MEXICO FROM NEAR TUCUMCARI SOUTHWARD TO 15 MILES SOUTH OF PORTALES.

MOVEMENT WAS TO EAST 30 MPH.

THE STRONGEST STORM WAS 15 MILES SOUTH OF PORTALES..AND WILL ENTER
THE SOUTHERN PORTION OF BAILEY COUNTY SHORTLY BEFORE 7 PM CDT. HEAVY
RAIN..FREQUENT LIGHTNING..STRONG WIND AND HAIL MAY BE EXPECTED WITH
PASSAGE OF THIS STORM.

STAY TUNED TO RADIO..TV OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS
OR LATER DEVELOPMENTS.
Special weather statement, May 4, 7:00 PM CDT, 4 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
700 PM CDT SUN MAY 4 1986

...STRONG THUNDERSTORMS MOVING INTO WESTERN SECTIONS OF THE SOUTH
   PLAINS...

AT 655 PM CDT LUBBOCK RADAR SHOWED SCATTERED THUNDERSTORMS FROM THE
WESTERN PORTION OF THE PANHANDLE SOUTHWARD THROUGH THE WESTERN PORTION
OF THE SOUTH PLAINS INTO SOUTHEAST NEW MEXICO.

MOVEMENT WAS TO EAST 30 MPH.

AT 655 PM CDT THE STRONGEST STORMS WERE OVER BAILEY AND COCHRAN
COUNTIES OF THE TEXAS SOUTH PLAINS.

HEAVY RAINFALL..STRONG WIND..FREQUENT LIGHTNING AND HAIL MAY BE
EXPECTED WITH PASSAGE OF THESE STORMS.

STAY TUNED TO RADIO..TV OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS
OR LATER DEVELOPMENTS.
Special weather statement, May 4, 7:44 PM CDT, 3 hours 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
745 PM CDT SUN MAY 4 1986

...STRONG THUNDERSTORMS MOVING THROUGH WESTERN SECTIONS OF THE SOUTH
   PLAINS...

AT 740 PM CDT LUBBOCK RADAR SHOWED SCATTERED THUNDERSTORMS FROM THE
SOUTHWESTERN PORTION OF THE PANHANDLE SOUTHWARD THROUGH THE WESTERN
PORTION OF THE SOUTH PLAINS INTO EXTREME SOUTHEAST NEW MEXICO.

MOVEMENT WAS TO EAST 30 MPH.

AT 740 PM CDT THE STRONGEST STORMS WERE OVER BAILEY..COCHRAN AND
HOCKLEY COUNTIES OF THE TEXAS SOUTH PLAINS.

THESE STORMS WILL PRODUCE HEAVY RAINFALL..STRONG WIND..FREQUENT
LIGHTNING AND SMALL HAIL AS THEY MOVE EAST THROUGH THE SOUTH PLAINS.

STAY TUNED TO RADIO..TV OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS
OR LATER DEVELOPMENTS.
Special weather statement, May 4, 8:30 PM CDT, 2 hours 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
830 PM CDT SUN MAY 4 1986

...STRONG THUNDERSTORMS MOVING INTO CENTRAL SECTIONS OF THE SOUTH
   PLAINS...

AT 825 PM CDT LUBBOCK RADAR SHOWED SCATTERED THUNDERSTORMS FROM THE
PANHANDLE SOUTHWARD THROUGH THE CENTRAL AND SOUTHWEST PORTIONS OF
THE SOUTH PLAINS.

MOVEMENT WAS TO EAST 25 MPH.

AT 825 PM CDT THE STRONGEST STORMS WERE OVER LAMB COUNTY AND THE
NORTHERN PORTION OF HOCKLEY COUNTY.

AT 800 PM CDT THE LAMB COUNTY SHERIFF'S OFFICE REPORTED MARBLE SIZE
HAIL AND HEAVY RAINFALL IN THE CITY OF SUDAN.

HEAVY RAINFALL..STONG WIND..FREQUENT LIGHTNING AND SMALL HAIL WILL
ACCOMPANY THESE THUNDERSTORMS AS THEY MOVE EASTWARD THROUGH THE SOUTH
PLAINS.

STAY TUNED TO LOCAL RADIO OR TV STATIONS..OR LISTEN TO NOAA WEATHER
RADIO FOR THE LATEST WEATHER INFORMATION.
Special weather statement, May 4, 8:32 PM CDT, 2 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
830 PM CDT SUN MAY 4 1986

...STRONG THUNDERSTORMS MOVING INTO CENTRAL SECTIONS OF THE SOUTH
   PLAINS...

AT 825 PM CDT LUBBOCK RADAR SHOWED SCATTERED THUNDERSTORMS FROM THE
PANHANDLE SOUTHWARD THROUGH THE CENTRAL AND SOUTHWEST PORTIONS OF
THE SOUTH PLAINS.

MOVEMENT WAS TO EAST 25 MPH.

AT 825 PM CDT THE STRONGEST STORMS WERE OVER LAMB COUNTY AND THE
NORTHERN PORTION OF HOCKLEY COUNTY.

AT 800 PM CDT THE LAMB COUNTY SHERIFF'S OFFICE REPORTED MARBLE SIZE
HAIL AND HEAVY RAINFALL IN THE CITY OF SUDAN.

HEAVY RAINFALL..STRONG WIND..FREQUENT LIGHTNING AND SMALL HAIL WILL
ACCOMPANY THESE THUNDERSTORMS AS THEY MOVE EASTWARD THROUGH THE SOUTH
PLAINS.

STAY TUNED TO LOCAL RADIO OR TV STATIONS..OR LISTEN TO NOAA WEATHER
RADIO FOR THE LATEST WEATHER INFORMATION.
Special weather statement, May 4, 9:42 PM CDT, 1 hour 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
945 PM CDT SUN MAY 4 1986

...SHOWERS AND THUNDERSTORMS MOVING THROUGH CENTRAL SECTIONS OF THE SOUTH
   PLAINS...

AT 940 PM CDT LUBBOCK RADAR SHOWED SCATTERED SHOWERS AND THUNDERSTORMS FROM
THE SOUTH CENTRAL PANHANDLE SOUTHWARD THROUGH THE CENTRAL PORTION OF THE
SOUTH PLAINS.

MOVEMENT WAS TO EAST AT 30 MPH.

AT 920 PM CDT HEAVY RAIN AND PEA SIZE HAIL WAS REPORTED AT EARTH TEXAS BY
THE EARTH FIRE DEPARTMENT.

AT 940 PM CDT THE STRONGEST STORMS WERE LOCATED OVER LAMB AND HALE
COUNTIES ON THE TEXAS SOUTH PLAINS.

HEAVY RAINFALL..STRONG WIND..FREQUENT LIGHTNING AND SMALL HAIL WILL
ACCOMPANY THESE THUNDERSTORMS #AS THEY MOVE EASTWARD THROUGH THE SOUTH
PLAINS.

STAY TUNED TO LOCAL RADIO OR TV STATIONS..OR LISTEN TO NOAA WEATHER
RADIO FOR THE LATEST WEATHER INFORMATION.

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 10:23 PM CDTSevere Thunderstorm WarningLUBHale52 min
May 4, 11:05 PM CDTTornado WarningLUBHale55 min
May 4, 11:50 PM CDTSevere Thunderstorm WarningLUBMotley45 min

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.