Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 17, NWS Lake Charles, LA

March 3, 2001Vermilion Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 3, 2001, 8:09 AM CST for Vermilion Parish, Louisiana. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Mar 3, 2001, 8:09 AM CST (14:09 UTC)
Expired: Mar 3, 2001, 9:00 AM CST
In force: 51 min
Issued by: NWS Lake Charles, LA
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Vermilion Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 2.2 hours before the alert went out and 85 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 414 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 360 m²/s²
0-3 km storm-relative helicity: 423 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KLCH 031409
SVRLCH
LAC113-031500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
809 AM CST SAT MAR 3 2001

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  VERMILION PARISH IN SOUTHWEST LOUISIANA

* UNTIL 900 AM CST

* AT 805 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 30 MILES SOUTHWEST OF KAPLAN...MOVING NORTHEAST
  AT 30 MPH.

* THIS STORM WILL BE NEAR...
  ABBEVILLE...KAPLAN BY 850 AM CST

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

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

LAT...LON 2968 9266 2955 9252 2990 9200 3010 9221

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 3, 4:14 AM CST, 3 hours 55 minutes earlier.

Area forecast discussion, Mar 3, 4:14 AM CST, 3 hours 55 minutes before

SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
414 AM CST SAT MAR 3 2001

LOOKS LIKE ANOTHER DAY WITH HIGH POPS AHEAD AND NEAR A SURFACE LOW
PRESSURE CENTER WHICH IS EXPECTED TO MOVE TO SOUTH CENTRAL /
SOUTHEAST LOUISIANA ABOUT MID DAY TODAY. CHANCES OF RAIN WILL
DIMINISH FOR TONIGHT AS LOW MOVES OFF TO THE CAROLINAS EARLY SUNDAY
MORNING. CHANCES OF RAIN WILL BE NEXT TO ZERO IN DRY AIR OVER THE
REGION SUNDAY AND SUNDAY NIGHT.

SATELLITE LOOPS ARE SHOWING CLUSTER OF THUNDERSTORMS WELL OUT INTO
GULF OF MEXICO SOUTH OF SABINE BASS...APPARENTLY ASSOCIATED WITH
APPROACHING LOW PRESSURE CENTER. CURRENT TRACK OF THESE STORMS WILL
BRING THEM OVER LOUISIANA PART OF FORECAST AREA. WILL CONTINUE THE
FLOOD WATCH OVER THE LOUISIANA PART OF THE FORECAST AREA FOR TODAY.
THERE WILL BE A POTENTIAL FOR SEVERE WEATHER TODAY NEAR AND
EAST OF THE TRACK OF THE LOW PRESSURE CENTER.

.LCH...FLOOD WATCH ENTIRE AREA TODAY...
        TXZ180>182-201-215-216-LAZ027>033-041>045-051>055
    ...SMALL CRAFT ADVISORY...GMZ450-GMZ455-GMZ470-GMZ475
        ATCHAFALAYA RIVER TO HIGH ISLAND OUT 60 NAUTICAL MILES

.PRELIM NUMBERS...
AEX 56/48/64/40 +300
BPT 60/50/67/46 +100
LCH 60/50/67/46 +200
LFT 62/51/67/46 +300

20 / SPARKS

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 3, 8:56 AM CST	Severe Thunderstorm Warning	LCH	Lafayette	34 min
Mar 3, 9:22 AM CST	Severe Thunderstorm Warning	LCH	Saint Landry, Saint Martin	53 min
Mar 3, 11:23 AM CST	Severe Thunderstorm Warning	LCH	Lafayette, Saint Martin	37 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 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; the sounding from the Mesonet's radiosonde archive.