Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 15, NWS Lubbock, TX

May 26, 1987Floyd County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at May 26, 1987, 7:40 PM CDT for Floyd County, Texas. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
May 26, 1987, 7:40 PM CDT (00:40 UTC)
Expired
May 26, 1987, 8:45 PM CDT
In force
65 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, 0.7 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 1987-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2416 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 1987-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 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
2416 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
653 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
225 m²/s²
Significant tornado parameter
3.6
Supercell composite
11.8

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 26, 4:24 PM CDT, 3 hours 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
 {425 PM CDT TUE MAY 26 1987

 {...A TORNADO WATCH IS IN EFFECT FOR MOST OF THE TEXAS SOUTH PLAINS
UNTIL 10 PM CDT THIS EVENING...

AT 422 PM CDT A FEW THUNDERSHOWERS WERE SCATTERED OVER THE NORTHERN
PORTIONS OF THE SOUTH PLAINS. MOVEMENT WAS TO THE NORTHWEST AT 20 MPH.

INTENSE THUNDERSTORMS CONTINUE OVER PORTIONS OF THE TEXAS PANHANDLE...
AND INTENSE THUNDERSTORMS OVER THE PERMIAN BASIN ARE MOVING NORTHEAST
TOWARD THE SOUTH PLAINS.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES
AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN
THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS
AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. {
Special weather statement, May 26, 4:30 PM CDT, 3 hours 10 minutes before
SPECIAL WEATHER STATEMENT..CORRECTION
NATIONAL WEATHER SERVICE LUBBOCK TX
425 PM CDT TUE MAY 26 1987

{...A TORNADO WATCH IS IN EFFECT FOR MOST OF THE TEXAS SOUTH PLAINS
UNTIL 10 PM CDT THIS EVENING...

...A FLASH FLOOD WATCH IS IN EFFECT FOR TONIGHT FOR THE NORTHERN
   COUNTIES OF THE SOUTH PLAINS...

AT 422 PM CDT A FEW THUNDERSHOWERS WERE SCATTERED OVER THE NORTHERN
PORTIONS OF THE SOUTH PLAINS. MOVEMENT WAS TO THE NORTHEAST AT 20 MPH.

INTENSE THUNDERSTORMS CONTINUE OVER PORTIONS OF THE TEXAS PANHANDLE...
AND INTENSE THUNDERSTORMS OVER THE PERMIAN BASIN ARE MOVING NORTHEAST
TOWARD THE SOUTH PLAINS.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES
AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN
THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS
AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 26, 5:28 PM CDT, 2 hours 12 minutes before
SPECIAL WEATHER STATEMENT AND FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
425 PM CDT TUE MAY 26 1987

{...A TORNADO WATCH IS IN EFFECT FOR MOST OF THE TEXAS SOUTH PLAINS
UNTIL 10 PM CDT THIS EVENING...

...A FLASH FLOOD WATCH IS IN EFFECT FOR TONIGHT FOR THE NORTHERN
   COUNTIES OF THE SOUTH PLAINS...

AT 520 PM CDT A FEW THUNDERSTORMS WERE DEVELOPING OVER LUBBOCK COUNTY...
WITH OTHER THUNDERSTORMS WIDELY SCATTERED OVER THE WESTERN SOUTH
PLAINS. MOVEMENT WAS TOWARD THE NORTHEAST AT 15 TO 20 MPH.

INTENSE THUNDERSTORMS CONTINUE OVER THE PERMIAN BASIN MOVING NORTHEAST
TOWARD THE SOUTH PLAINS.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNmADOES
AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS SHOULD LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND
POSSIBLE WARNINGS.
Special weather statement, May 26, 5:31 PM CDT, 2 hours 9 minutes before
SPECIAL WEATHER STATEMENT AND FLASH FLOOD STATEMENT...CORECTION OF TIME
NATIONAL WEATHER SERVICE LUBBOCK TX
525 PM CDT TUE MAY 26 1987

{...A TORNADO WATCH IS IN EFFECT FOR MOST OF THE TEXAS SOUTH PLAINS
UNTIL 10 PM CDT THIS EVENING...

...A FLASH FLOOD WATCH IS IN EFFECT FOR TONIGHT FOR THE NORTHERN
   COUNTIES OF THE SOUTH PLAINS...

AT 520 PM CDT A FEW THUNDERSTORMS WERE DEVELOPING OVER LUBBOCK COUNTY...
WITH OTHER THUNDERSTORMS WIDELY SCATTERED OVER THE WESTERN SOUTH
PLAINS. MOVEMENT WAS TOWARD THE NORTHEAST AT 15 TO 20 MPH.

INTENSE THUNDERSTORMS CONTINUE OVER THE PERMIAN BASIN MOVING NORTHEAST
TOWARD THE SOUTH PLAINS.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARrE FAVORABLE FOR TORNADOES
AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS SHOULD LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND
POSSIBLE WARNINGS.
Special weather statement, May 26, 6:10 PM CDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT AND FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
610 PM CDT TUE MAY 26 1987

{...A TORNADO WATCH IS IN EFFECT FOR MOST OF THE TEXAS SOUTH PLAINS
UNTIL 10 PM CDT THIS EVENING...

...A FLASH FLOOD WATCH IS IN EFFECT FOR TONIGHT FOR THE NORTHERN
   COUNTIES OF THE SOUTH PLAINS...

AT 605 PM CDT STRONG THUNDERSTORMS WERE DEVELOPING OVER WESTERN
LUBBOCK AND HALE COUNTIES. THESE STORMS WERE MOVING TOWARD THE
NORTHEAST AT AROUND 20 MILES AN HOUR. STRONG GUSTY WINDS...SMALL
HAIL...DANGEROUS LIGHTNING AND HEAVY RAIN PRODUCING SOME POSSIBLE
FLOODING OF LOW LYING AREA ARE POSSIBLE AS THESE STORMS PASS THROUGH
THE AREA.

PERSONS SHOULD LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND
OR WARNINGS.
Special weather statement, May 26, 6:35 PM CDT, 1 hour 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 7:13 PM CDTSevere Thunderstorm WarningLUBHale62 min
May 27, 12:27 AM CDTSevere Thunderstorm WarningLUBLynn63 min
May 27, 12:45 AM CDTSevere Thunderstorm WarningLUBGarza60 min
May 27, 2:05 AM CDTSevere Thunderstorm WarningLUBLynn55 min
May 27, 2:49 AM CDTSevere Thunderstorm WarningLUBCottle, Dickens56 min
May 27, 2:55 PM CDTFlash Flood WarningLUBCottle, King3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1987Every severe thunderstorm warning in 1987

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.