Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 4, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Feb 9, 1990, 5:14 PM CST for Nacogdoches County, Texas. It was in force for 46 min. 2 reports 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
- Feb 9, 1990, 5:14 PM CST (23:14 UTC)
- Expired
- Feb 9, 1990, 6:00 PM CST
- In force
- 46 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Nacogdoches 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 |
|---|---|---|---|
| Feb 9, 5:16 PM CST | Tornado F2 | Nacogdoches, TX | |
| Feb 9, 5:26 PM CST | Tornado F2 | Nacogdoches, 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
Longview/Gregg, TX (KGGG), launched 12:00Z, 11.2 hours before the alert went out and 82 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
- 891 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 661 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 4.3
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, Feb 9, 3:54 PM CST, 1 hour 20 minutes before
TXZ048-120000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORT ARTHUR TX 345 PM CST FRI FEB 08 1990 ...TORNADO WATCH IN EAST AND PART OF SOUTHEAST TEXAS... TORNADO WATCH 22 COVERS THE EAST TEXAS LAKES AREA AND PARTS OF SOUTHEAST TEXAS NORTH OF THE BEAUMONT/PORT ARTHUR/ORANGE METROLITAN AREA UNTIL 900 PM CST THIS EVENING. THE TORNADO WATCH DOES NOT INCLUDE JEFFERSON AND ORANGE COUNTIES. AT 330 PM CST...A AREA OF THUNDERSTORMS REA
Nearby
Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning in 1990
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.