Alert archive / Texas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 55, NWS Lubbock, TX
NWS Lubbock, TX issued this severe thunderstorm warning at Jul 14, 1987, 8:31 PM CDT for Floyd County, Texas. It was in force for 59 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 14, 1987, 8:31 PM CDT (01:31 UTC)
- Expired
- Jul 14, 1987, 9:30 PM CDT
- In force
- 59 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 14, 9:35 PM CDT | Hail 2 | Floyd, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 1.5 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.
- Mixed-layer CAPE
- 1594 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1607 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 184 m²/s²
- 0-3 km storm-relative helicity
- 308 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 11.3
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, Jul 14, 7:15 PM CDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
{715 PM CDT TUE JUL 14 1987
{...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL MIDNIGHT FOR
ALL OF THE COUNTIES ON THE SOUTH PLAINS...
AT 710 PM CDT RADAR INDICATED NO PRECIPITATION OVER THE SOUTH
PLAINS.
AN AREA OF VERY HEAVY THUNDERSTORMS WAS LOCATED OVER THE TEXAS
PANHANDLE MOVING TOWARD THE SOUTHEAST AT AROUND 10 MILES AN
HOUR.
ANOTHER AREA OF HEAVY THUNDERSTORMS WAS DEVELOPING OVER NORTHEAST
NEW MEXICO.
PERSONS ON THE SOUTH PLAINS SHOULD CONTINUE TO MONITOR NOAA
WEATHER RADIO FOR FURTHER UPDATES OR POSSIBLE WARNINGS.Special weather statement, Jul 14, 8:00 PM CDT, 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LUBBOCK TX 800 PM CDT TUE JUL 14 1987 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL MIDNIGHT FOR ALL OF THE COUNTIES ON THE SOUTH PLAINS... AT 755 PM CDT RADAR INDICATED NO PRECIPITATION OVER THE SOUTH PLAINS. THE NEAREST HEAVY THUNDERSTORM WAS LOCATED 75 MILES NORTH- NORTHEAST OF LUBBOCK IN ARMSTRONG COUNTY. RADAR HAS SHOWN LITTLE CHANGE IN THE INTENSITY OF THE STORMS OVER THE TEXAS PANHANDLE DURING THE PAST HALF HOUR. THE STORMS CONTINUE TO MOVE TO THE SOUTH AT ABOUT 20 MPH. ANOTHER AREA OF HEAVY THUNDERSTORMS DEVELOPED OVER EASTERN NEW MEXICO JUST TO THE NORTHWEST OF CLOVIS. THESE STORMS ARE MOVING TO THE SOUTH- EAST AT AROUND 25 MPH. PERSONS ON THE SOUTH PLAINS SHOULD CONTINUE TO MONITOR NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND OR WARNINGS.
The office that day
Everything else NWS Lubbock, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 9:20 PM CDT | Severe Thunderstorm Warning | LUB | Floyd, Hale | 55 min |
| Jul 14, 11:26 PM CDT | Flash Flood Warning | LUB | Lubbock | 3 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.