Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 160, NWS Lake Charles, LA

November 28, 2001Jasper County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Nov 28, 2001, 2:48 PM CST for Jasper County, Texas. It was in force for 57 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: Nov 28, 2001, 2:48 PM CST (20:48 UTC)
Expired: Nov 28, 2001, 3:45 PM CST
In force: 57 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 20:49 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
Nov 28, 2:54 PM CST	Hail 1.75	Magnolia Spgs, 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, 8.8 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: 1980 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 487 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 199 m²/s²
0-3 km storm-relative helicity: 237 m²/s²
Significant tornado parameter: 2.9
Supercell composite: 10.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

464 
WUUS54 KLCH 282048
SVRLCH
TXC241-282145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
248 PM CST WED NOV 28 2001

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JASPER COUNTY IN SOUTHEAST TEXAS

* UNTIL 345 PM CST

* AT 244 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 24 MILES SOUTH OF JASPER...MOVING NORTH AT 40
  MPH.

* THIS STORM WILL BE NEAR...
  MT. UNION BY 310 PM CST
  MAGNOLIA SPRINGS BY 320 PM CST
  JASPER BY 345 PM CST

SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CST WEDNESDAY
AFTERNOON FOR SOUTHWESTERN LOUISIANA. A TORNADO WATCH ALSO REMAINS IN
EFFECT UNTIL 800 PM CST WEDNESDAY EVENING FOR SOUTHWESTERN LOUISIANA.

CALL 337-477-5285 TO REPORT SEVERE WEATHER TO THE WEATHER SERVICE.

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 Nov 28, 1:57 PM CST, 51 minutes earlier.

Area forecast discussion, Nov 28, 1:57 PM CST, 51 minutes before

SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
157 PM CST WED NOV 28 2001

.TONIGHT...
STATIONARY COLD FRONT...WHICH EXTENDS ACROSS SOUTHEAST TEXAS AND
THROUGH WEST CENTRAL LOUISIANA...IS FORECAST TO MIGRATE EAST INTO
SOUTH CENTRAL LOUISIANA BY EARLY MORNING. PRE-FRONTAL SHOWERS AND
THUNDERSTORMS ARE EXPECTED. WILL RETAIN SEVERE WORDING ACROSS SOUTH
CENTRAL AND EAST CENTRAL LOUISIANA.

POST FRONTAL RAINS WILL PERSIST...AS DEEP SOUTHERLIES OVER-GLIDE THE
COOLER SURFACE AIR. WILL RETAIN FLASH FLOOD WATCH ACROSS ALL OF
SOUTHWEST LOUISIANA AND ACROSS SOUTHEAST TEXAS.

WINDS WILL PICK UP ACROSS THE COASTAL WATERS. THE MARINE FORECASTER
WILL ISSUE A SMALL CRAFT ADVISORY.

.THURSDAY...
A POLAR TROUGH WILL MOVE THROUGH SOUTHWEST LOUISIANA...USHERING IN
DRIER AIR. RAINS EXPECTED TO END FROM THE WEST...HOWEVER CLOUDS AND
ROBUST COLD AIR ADVECTION WILL CAUSE SUBNORMAL MAXIMUMS.

.PRELIMINARY NUMBERS...
AEX 44/45/30/60/40/67/45 +800000
BPT 40/49/35/64/50/70/50 7500002
LCH 46/50/33/65/47/70/50 9700002
LFT 67/60/32/64/45/71/48 +800002

.LCH...FLOOD WATCH TONIGHT...LAZ027>029-030>033-041>045-051>055
       FLOOD WATCH TONIGHT...TXZ180>182-201-215-216
       SMALL CRAFT ADVISORY...GMZ450-455-470-475

TRARES

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 28, 2:37 PM CST	Severe Thunderstorm Warning	LCH	Hardin	53 min
Nov 28, 3:14 PM CST	Severe Thunderstorm Warning	LCH	Tyler	61 min
Nov 28, 4:55 PM CST	Severe Thunderstorm Warning	LCH	Orange	65 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001 Every severe thunderstorm warning in 2001

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.