Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 21, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 27, 1990, 6:51 PM CDT for Nacogdoches County, Texas. It was in force for 39 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
- Apr 27, 1990, 6:51 PM CDT (23:51 UTC)
- Expired
- Apr 27, 1990, 7:30 PM CDT
- In force
- 39 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 |
|---|---|---|---|
| Apr 27, 7:00 PM CDT | Thunderstorm Wind 0 | Nacogdoches, TX | |
| Apr 27, 7:40 PM CDT | Thunderstorm Wind 0 | 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, 11.9 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
- 81 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 634 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBPT 272351 SVRBPT TXC347-199-280030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PORT ARTHUR TX 651 PM CDT FRI APR 27 1990 THE NATIONAL WEATHER SERVICE IN PORT ARTHUR HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM CDT FOR PERSONS IN THE FOLLOWING COUNTIES IN NORTHEAST TEXAS ...NACOGDOCHES COUNTY IN SOUTHEAST TEXAS ...HARDIN COUNTY AT 645 PM CDT A SEVERE THUNDERSTORM WAS NORTH OF THE TOWN OF NACOGDOCHES TEXAS. ANOTHER SEVERE THUNDERSTORM WAS IN HARDIN COUNTY NEAR KOUNTZE TEXAS. THE MOVEMENT WAS EAST AT 20 MPH. THESE THUNDERSTORMS WILL PRODUCE DAMAGING WINDS ALONG WITH LARGE HAIL AND VERY HEAVY RAINS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. NNNN
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 6:39 PM CDT | Severe Thunderstorm Warning | LCH | Angelina | 66 min |
| Apr 27, 6:49 PM CDT | Severe Thunderstorm Warning | LCH | Tyler | 56 min |
| Apr 27, 6:51 PM CDT | Severe Thunderstorm Warning | LCH | Hardin | 39 min |
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.