Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 11, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Jan 13, 1998, 11:15 AM CST for Tyler County, Texas. It was in force for 65 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
- Jan 13, 1998, 11:15 AM CST (17:15 UTC)
- Expired
- Jan 13, 1998, 12:20 PM CST
- In force
- 65 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Tyler County, TX
The radar
The Lake Charles radar (KLCH), 132 km from the middle of the area, began a volume at 17:17 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 13, 11:25 AM CST | Hail 1.75 | Spurger, 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.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 5.3 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
- 1061 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 476 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
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.
NWS Lake Charles, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 13, 9:50 AM CST, 1 hour 25 minutes earlier.
Area forecast discussion, Jan 13, 9:50 AM CST, 1 hour 25 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 950 AM CST TUE JAN 13 1998 BUSY MORNING WITH THUNDERSTORMS PUSHING INLAND OVER MOST OF FA. BOUNDRY LOCATED OVER CENTRAL SECTIONS OF SE TX...EXTENDING INTO NORTHERN LA NOT MAKING MUCH PROGRESS. WITH SHOWERS AND THUDNERSTORMS DEVELOPING ALONG COASTAL SECTIONS OF SE TX AND MOVING INLAND... SUGEST PUTTING SE TX BACK INTO FLASH FLOOD WATCH FOR TODAY AND INCREASING POPS OVER HARDIN...TYLER...JASPER AND NEWTON COUNTIES TO 50% CHANCE OF SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL POSSIBLE. 12
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 13, 8:40 AM CST | Flash Flood Warning | LCH | Calcasieu | 2 hr |
| Jan 13, 1:27 PM CST | Flash Flood Warning | LCH | Beauregard | 118 min |
| Jan 13, 10:48 AM CST | Flash Flood Warning | LCH | Hardin | 2 hr |
| Jan 13, 11:58 AM CST | Severe Thunderstorm Warning | LCH | Jasper | 32 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm warning in 1998
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; radar from the NEXRAD Level II archive.