Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 37, NWS Lake Charles, LA

March 19, 2000Calcasieu Parish, Jefferson Davis Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 19, 2000, 7:22 AM CST for Calcasieu Parish, Jefferson Davis Parish, Louisiana. It was in force for 68 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 19, 2000, 7:22 AM CST (13:22 UTC)
Expired: Mar 19, 2000, 8:30 AM CST
In force: 68 min
Issued by: NWS Lake Charles, LA
Area: Whole counties

Counties Calcasieu Parish, LA, Jefferson Davis Parish, LA

The radar

The Lake Charles radar (KLCH), 19 km from the middle of the area, began a volume at 13:24 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.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 1.4 hours before the alert went out and 18 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: 680 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 530 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KLCH 191323
SVRLCH
LAC019-053-191430-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
722 AM CST SUN MAR 19 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON DAVIS PARISH IN SOUTHWEST LOUISIANA
  CALCASIEU PARISH IN SOUTHWEST LOUISIANA

* UNTIL 830 AM CST

* AT 719 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER EXTREME SOUTHEASTERN CALCASIEU PARISH...
  MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IN THE WARNING INCLUDE BELL CITY...FENTON...HAYES...
  IOWA...LACASSINE...LEBLEU SETTLEMENT...ROANOKE AND WELSH

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

THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY LARGE HAIL WHICH COULD
CAUSE SIGNIFICANT DAMAGE TO PROPERTY.

DESTRUCTIVE WINDS CAN BE EXPECTED - TAKE COVER NOW! VEHICLES AND
MOBILE HOMES ARE NOT SAFE.

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 Mar 19, 4:11 AM CST, 3 hours 11 minutes earlier.

Area forecast discussion, Mar 19, 4:11 AM CST, 3 hours 11 minutes before

SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
411 AM CST SUN MAR 19 2000

SHOWERS AND TSTMS HOLDING TOGETHER AS RADAR AND STLT SHOWS ACTIVITY
PROPAGATING RAPIDLY EASTWARD AT 50 KTS. WELL RAISE THE STAKES ON
POPS ACCORDINGLY AS VIGOROUS VORT CTR APPROACHES. PCPN MAINLY
MORNING FOR ALL XCPT CEN AND S CEN LA.

11

.LCH...
LA...NONE
TX...NONE

.UPDATED NUMBERS...
BPT 67/45/[74/51 3000
LCH 66/45/74/49 3000
LFT 64/49/75/48 5000
AEX 63/45/71/48 4000

In the hours before

Local storm report, Mar 19, 6:30 AM CST, 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
630 AM CST SUN MAR 19 2000

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0525 AM    WESTLAKE                  LA   WIND DAMAGE
03/19/00   CALCASIEU                      THUNDERSTORM WINDS BLEW
                                          DOWN TREE ACROSS POWER
                                          LINES. POWER WAS
                                          KNOCKED OUT.

0542 AM    MOSS BLUFF                LA   WIND DAMAGE
03/19/00   CALCASIEU                      THUNDERESTORM WINDS BLEW
                                          DOWN LARGE PINE TREE AT
                                          NORTH PERKINS FERRY
                                          ROAD.

0520 AM    SULPHUR                   LA   WIND DAMAGE
03/19/00   CALCASIEU                      THUNDERSTORM WINDS BLEW
                                          DOWN LARGE TREE LIMB NEAR
                                          POST OAK ROAD AND
                                          MAPLEWOOD STREET.

LS

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 19, 5:13 AM CST	Severe Thunderstorm Warning	LCH	Allen, Rapides, Vernon	62 min
Mar 19, 5:13 AM CST	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu, Jefferson Davis	62 min
Mar 19, 8:02 AM CST	Severe Thunderstorm Warning	LCH	Cameron	58 min
Mar 19, 8:50 AM CST	Severe Thunderstorm Warning	LCH	Saint Landry	55 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2000 Every severe thunderstorm warning in 2000

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; radar from the NEXRAD Level II archive.