Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 94, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 7, 1998, 5:33 AM CST for Orange County, Texas. It was in force for 47 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
- Mar 7, 1998, 5:33 AM CST (11:33 UTC)
- Expired
- Mar 7, 1998, 6:20 AM CST
- In force
- 47 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Orange County, TX
The radar
The Lake Charles radar (KLCH), 65 km from the middle of the area, began a volume at 11:35 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 |
|---|---|---|---|
| Mar 7, 6:05 AM CST | Hail 0.75 | Bridge City, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 7, 3:45 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 11.6 hours before the alert went out and 67 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
- 904 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 617 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.1
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 Mar 7, 1:55 AM CST, 3 hours 38 minutes earlier.
Area forecast discussion, Mar 7, 1:55 AM CST, 3 hours 38 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 155 AM CST SAT MAR 7 1998 STRONGEST ACTIVITY NOW PUSHING NORTHEAST OF FA WITH ACTIVITY REDEVELOPING ALONG COASTAL SECTIONS WHERE JET SUPPORT CONTINUES. NEXT BOUT OF SEVERE WEATHER STILL ON TAP BEGINNING LATE THIS MORNING... CONTINUING INTO THIS EVENING WHEN SURFACE COLD FRONT SWEEPS EAST ACROSS FA. MODELS STILL SHOWING IMPRESSIVE DIRECTIONAL DIVERGENCE UPSTREAM DEVELOPING/DEEPENING UPPER LEVEL LOW. FLASH FLOOD WATCH THROUGH THIS EVENING STILL LOOKS GOOD DUE TO RECENT RAINS...00Z LCH SOUNDING SHOWED PW VALUES AROUND 1.7 INCHES. PATCHY FOG REDEVELOPING ALONG COASTAL SECTIONS THIS MORNING...HOWEVER NOT EXPECTING WIDESPREAD DENSE FOG. LITTLE CHANGE IN TEMPERTURES EXPECTED TODAY AS THICKNESSES CHANGE LITTLE. 09 BPT 76/57/65 850 LCH 75/59/65 850 LFT 74/60/66 860 AEX 70/56/64 870 TX ZONES... LA ZONES...
In the hours before
Local storm report, Mar 7, 5:10 AM CST, 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
510 AM CST SAT MAR 7 1998
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
430 AM PORT NECHES 58 MPH TSTM GUST
03/07/98 JEFFERSON RECORDED AT HUNTSMAN PLANT
ERICKSONLocal storm report, Mar 7, 5:10 AM CST, 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
510 AM CST SAT MAR 7 1998
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
430 AM PORT NECHES 58 MPH TSTM GUST
03/07/98 JEFFERSON RECORDED AT HUNTSMAN PLANT
ERICKSONLocal storm report, Mar 7, 5:20 AM CST, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
520 AM CST SAT MAR 7 1998
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
500 AM INTRACOASTAL CITY LA 1.75 INCH HAIL
03/07/98 VERMILION
510 AM LECOMPTE LA 2.75 INCH HAIL
03/07/98 RAPIDES
425 AM OAKDALE LA 1.75 INCH HAIL
03/07/98 ALLEN
ERICKSONLocal storm report, Mar 7, 5:20 AM CST, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
520 AM CST SAT MAR 7 1998
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
500 AM INTRACOASTAL CITY LA 1.75 INCH HAIL
03/07/98 VERMILION
510 AM LECOMPTE LA 2.75 INCH HAIL
03/07/98 RAPIDES
425 AM OAKDALE LA 1.75 INCH HAIL
03/07/98 ALLEN
ERICKSONThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 11:48 PM CST | Severe Thunderstorm Warning | LCH | Jefferson Davis | |
| Mar 7, 2:42 AM CST | Severe Thunderstorm Warning | LCH | Cameron | 63 min |
| Mar 7, 3:41 AM CST | Severe Thunderstorm Warning | LCH | Allen | 59 min |
| Mar 7, 3:51 AM CST | Severe Thunderstorm Warning | LCH | Cameron | 34 min |
| Mar 7, 3:57 AM CST | Severe Thunderstorm Warning | LCH | Vermilion | 58 min |
| Mar 7, 4:36 AM CST | Severe Thunderstorm Warning | LCH | Rapides | 59 min |
| Mar 7, 4:40 AM CST | Tornado Warning | LCH | Vermilion | 65 min |
| Mar 7, 4:55 AM CST | Severe Thunderstorm Warning | LCH | Acadia | 45 min |
| Mar 7, 5:11 AM CST | Severe Thunderstorm Warning | LCH | Beauregard | 44 min |
| Mar 7, 5:17 AM CST | Severe Thunderstorm Warning | LCH | Iberia | 63 min |
| Mar 7, 5:57 AM CST | Severe Thunderstorm Warning | LCH | Calcasieu | 43 min |
| Mar 7, 6:24 AM CST | Severe Thunderstorm Warning | LCH | Cameron | 61 min |
| Mar 7, 6:36 AM CST | Severe Thunderstorm Warning | LCH | Calcasieu | 49 min |
| Mar 7, 6:45 AM CST | Flash Flood Warning | LCH | Calcasieu | 2 hr |
| Mar 7, 7:50 AM CST | Severe Thunderstorm Warning | LCH | Jefferson Davis | 40 min |
| Mar 7, 1:26 PM CST | Severe Thunderstorm Warning | LCH | Beauregard | 44 min |
| Mar 7, 1:50 PM CST | Severe Thunderstorm Warning | LCH | Allen | 45 min |
| Mar 7, 2:14 PM CST | Severe Thunderstorm Warning | LCH | Rapides | 56 min |
| Mar 7, 2:20 PM CST | Severe Thunderstorm Warning | LCH | Saint Landry | 60 min |
| Mar 7, 2:51 PM CST | Severe Thunderstorm Warning | LCH | Beauregard | 34 min |
| Mar 7, 2:58 PM CST | Severe Thunderstorm Warning | LCH | Vernon | 47 min |
| Mar 7, 3:49 PM CST | Severe Thunderstorm Warning | LCH | Vernon | 46 min |
| Mar 7, 4:11 AM CST | Severe Thunderstorm Warning | LCH | Jefferson | 49 min |
| Mar 7, 4:31 AM CST | Severe Thunderstorm Warning | LCH | Orange | 44 min |
| Mar 7, 5:21 AM CST | Severe Thunderstorm Warning | LCH | Jefferson | 59 min |
| Mar 7, 5:49 AM CST | Severe Thunderstorm Warning | LCH | Hardin | 31 min |
| Mar 7, 6:54 AM CST | Severe Thunderstorm Warning | LCH | Newton | 31 min |
| Mar 7, 5:27 PM CST | Severe Thunderstorm Warning | LCH | Jasper | 48 min |
| Mar 7, 5:52 PM CST | Severe Thunderstorm Warning | LCH | Newton | 63 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.