Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 108, NWS Lake Charles, LA

March 7, 1998Jasper County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 7, 1998, 5:27 PM CST for Jasper County, Texas. It was in force for 48 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, 5:27 PM CST (23:27 UTC)
Expired: Mar 7, 1998, 6:15 PM CST
In force: 48 min
Issued by: NWS Lake Charles, LA
Area: Whole counties

County Jasper County, TX

The radar

The Lake Charles radar (KLCH), 104 km from the middle of the area, began a volume at 23:30 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, 5:35 PM CST	Hail 0.75	Jasper, 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, 11.5 hours before the alert went out and 105 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 666 J/kg
Mixed-layer CIN: -108 J/kg
Mixed-layer LCL: 549 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 201 m²/s²
0-3 km storm-relative helicity: 285 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.9

Open this sounding in Storm Lab

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, 1:30 PM CST, 3 hours 57 minutes earlier.

Area forecast discussion, Mar 7, 1:30 PM CST, 3 hours 57 minutes before

SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
130 PM CST SAT MAR 7 1998

APPEARS AFT WILL BE BUSY AS TSTMS BEGINNING TO REGENERATE. DECENT
TORNADO THREAT THIS AFTERNOON AS LOW LEVEL SHEAR INCREASING AS SFC
WINDS INCREASE. WILL HIT THE HIGH PTS OF FORECAST. MODELS IN BETTER
AGREEMENT THAN THEY HAVE BEEN WITH PREVIOUS RUNS. HAVE TRENDED CLOSE
TO ETA SOLN WITH UPCOMING FORECAST. AXIS OF DEEP MOISTURE WILL DICTATE
POPS FOR FIRST PD. IT MOVES EAST TONIGHT WELL AHEAD OF COLD AIR...ALONG
AND JUST AHEAD OF SFC TROF/DRY LINE CURRENTLY SOUTH OF DEVELOPING SFC
LOW BETWEEN LFK AND CLL. BEST CHC FOR SVR WILL BE THIS AFT/EARLY
EVE ACROSS AREA AS SOME HEATING OCCURS AND ATMOS FURTHER DESTABILIZES.

WOULD LIKE TO KKEP FFA FOR LA ZONES FOR PRIMARILY EVENING HVY RAIN
POTENTIAL...HOWEVER BEST MOISTURE WILL BE EAST OF SE TX BY 00Z SO WILL
LET FFA FOR THAT AREA EXPIRE AT 00Z.

LIKE SLIGHTLY COOLER HIGHS 2ND PD WITH CC REMAINING MOST OF DAY AND
DECENT CAA. WILL KEEP POPS FOR SUN MORNING WITH STRONG VORT ROUNDING
BASE OF TROF.

1

BPT 54/60/36/58 3200
LCH 55/60/37/58 6200  LFT 55/59/38/59 6200  AEX 53/57/36/57 6200

In the hours before

Local storm report, Mar 7, 2:30 PM CST, 2 hours 57 minutes before

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Local storm report, Mar 7, 2:30 PM CST, 2 hours 57 minutes before

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Local storm report, Mar 7, 3:12 PM CST, 2 hours 15 minutes before

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Local storm report, Mar 7, 3:12 PM CST, 2 hours 15 minutes before

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Local storm report, Mar 7, 3:25 PM CST, 2 hours 2 minutes before

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Local storm report, Mar 7, 4:28 PM CST, 59 minutes before

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The 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, 5:33 AM CST	Severe Thunderstorm Warning	LCH	Orange	47 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, 5:52 PM CST	Severe Thunderstorm Warning	LCH	Newton	63 min

Nearby

Severe Thunderstorm Warnings in Texas, 1998 Every 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.