Alert archive / Texas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 14, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 17, 1987, 6:40 AM CST for Hardin County, Tyler County, Texas. It was in force for 80 min.
The area
The counties it named.
The facts
- Issued
- Mar 17, 1987, 6:40 AM CST (12:40 UTC)
- Expired
- Mar 17, 1987, 8:00 AM CST
- In force
- 80 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
Counties Hardin County, TX, Tyler 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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 0.7 hours before the alert went out and 123 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
- 133 J/kg
- Mixed-layer CIN
- -270 J/kg
- Mixed-layer LCL
- 658 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 544 m²/s²
- 0-3 km storm-relative helicity
- 810 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
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, Mar 17, 3:14 AM CST, 3 hours 26 minutes before
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</html>The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 6:40 AM CST | Severe Thunderstorm Warning | LCH | Angelina | 80 min |
| Mar 17, 7:50 AM CST | Severe Thunderstorm Warning | LCH | Jasper, Newton, Sabine, San Augustine | 70 min |
| Mar 17, 8:42 AM CST | Severe Thunderstorm Warning | LCH | Vernon | 63 min |
| Mar 17, 10:22 AM CST | Tornado Warning | LCH | Cameron | 38 min |
| Mar 17, 1:14 PM CST | Severe Thunderstorm Warning | LCH | Acadia, Evangeline, Vermilion | 76 min |
| Mar 17, 2:25 PM CST | Severe Thunderstorm Warning | LCH | Lafayette, Vermilion | 65 min |
| Mar 17, 2:49 PM CST | Severe Thunderstorm Warning | LCH | Acadia | 41 min |
| Mar 17, 3:30 PM CST | Severe Thunderstorm Warning | LCH | Lafayette, Vermilion | 45 min |
| Mar 17, 4:07 PM CST | Severe Thunderstorm Warning | LCH | Lafayette, Vermilion | 53 min |
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.