Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 122, NWS Lake Charles, LA

April 20, 1995San Augustine County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 20, 1995, 1:40 PM CDT for San Augustine County, Texas. It was in force for 50 min.

The area

The counties it named.

The facts

Issued: Apr 20, 1995, 1:40 PM CDT (18:40 UTC)
Expired: Apr 20, 1995, 2:30 PM CDT
In force: 50 min
Issued by: NWS Lake Charles, LA
Area: Whole counties

County San Augustine County, TX

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 6.7 hours before the alert went out and 127 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: 40 J/kg
Mixed-layer CIN: -299 J/kg
Mixed-layer LCL: 1106 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 168 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

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.

In the hours before

Special weather statement, Apr 20, 1:08 PM CDT, 32 minutes before

TXZ165-152-167-166-202015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
108 PM CDT THU APR 20 1995

...A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF EAST TEXAS AND A PORTION
OF SOUTHEAST TEXAS UNTIL 400 PM...

AT 105 PM THIS AFTERNOON...A LINE OF STRONG THUNDERSTORMS WAS LOCATED
FROM NEAR MONROE LOUISIANA TO NATCHITOCHES LOUISIANA TO NEAR LUFKIN TO
HUNTSVILLE TO COLUMBUS. THIS THUNDERSTORM ACTIVITY WAS MOVING TO THE
NORTHEAST AT 25 TO 30 MILES AN HOUR.

A STRONG THUNDERSTORM WAS LOCATED NEAR LUFKIN IN ANGELINA COUNTY. THIS
STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND GUSTY WINDS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA SOURCES FOR FURTHER
WEATHER INFORMATION.

LINHARES

NNNN

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 20, 5:45 AM CDT	Severe Thunderstorm Warning	LCH	Vernon	60 min
Apr 20, 6:44 AM CDT	Severe Thunderstorm Warning	LCH	Rapides	46 min
Apr 20, 6:55 AM CDT	Severe Thunderstorm Warning	LCH	Grant	50 min
Apr 20, 7:17 AM CDT	Severe Thunderstorm Warning	LCH	LaSalle, Rapides	58 min
Apr 20, 5:10 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard	65 min
Apr 20, 5:28 PM CDT	Severe Thunderstorm Warning	LCH	Allen	62 min
Apr 20, 6:05 PM CDT	Severe Thunderstorm Warning	LCH	Rapides	55 min
Apr 20, 6:35 PM CDT	Severe Thunderstorm Warning	LCH	Grant	40 min
Apr 20, 10:47 AM CDT	Severe Thunderstorm Warning	LCH	Angelina	58 min
Apr 20, 11:16 AM CDT	Severe Thunderstorm Warning	LCH	Nacogdoches, San Augustine	59 min
Apr 20, 3:38 PM CDT	Severe Thunderstorm Warning	LCH	Angelina	67 min
Apr 20, 3:55 PM CDT	Tornado Warning	LCH	Jefferson	65 min
Apr 20, 4:31 PM CDT	Severe Thunderstorm Warning	LCH	Sabine	44 min
Apr 20, 4:34 PM CDT	Severe Thunderstorm Warning	LCH	Jasper, Newton	41 min

Nearby

Severe Thunderstorm Warnings in Texas, 1995 Every severe thunderstorm warning in 1995

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.