Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 47, NWS Lake Charles, LA

March 27, 2000Cameron Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 27, 2000, 5:17 AM CST for Cameron Parish, Louisiana. It was in force for 58 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 27, 2000, 5:17 AM CST (11:17 UTC)
Expired
Mar 27, 2000, 6:15 AM CST
In force
58 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Cameron Parish, LA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 27, 2:00 AM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 11.3 hours before the alert went out and 30 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 00:00Z on 2000-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 88 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 00:00Z on 2000-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
88 J/kg
Mixed-layer CIN
-180 J/kg
Mixed-layer LCL
1225 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KLCH 271118
SVRLCH
LAC023-271215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
517 AM CST MON MAR 27 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 615 AM CST

* AT 514 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 24 MILES NORTHWEST OF CAMERON...MOVING
  SOUTHEAST AT 30 MPH.

* THIS STORM WILL BE NEAR...
  HACKBERRY BY 535 AM CST
  CAMERON BY 600 AM CST

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 AM CST MONDAY
MORNING FOR SOUTHWEST LOUISIANA.

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 27, 3:25 AM CST, 1 hour 52 minutes earlier.

Area forecast discussion, Mar 27, 3:25 AM CST, 1 hour 52 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
325 AM CST MON MAR 27 2000

UPPER LEVEL TROF EXTENDING FROM GREAT LAKES AREA SOUTHWEST TO
OKLAHOMA DROPPING QUICKLY TO THE SOUTH. AREA OF GOOD DIFFULENCE
SEEN OVER EXTREME EAST TEXAS AND LOUISIANA ON WATER VAPOR IMAGERY.

SURFACE COLD FRONT HAS MOVED INTO NORTHEAST TEXAS WITH DEWPOINTS
IN THE LOW TO MID 40S BACK IN OKLAHOMA.

RADAR SHOWS SQUALL LINE FROM EAST CENTRAL LOUISIANA CURVING BACK
INTO NORTHEAST TEXAS. 46 KT WIND GUST RECORDED AT AEX AT 140 AM
LOCAL. REPORTS OF TREES DOWN IN RAPIDES PARISH.

FORECAST PERIOD...
TODAY...UPPER LEVEL DYNAMICS WILL MOVE QUICKLY OFF TO THE EAST
DURING THE EARLY MORNING HOURS. SURFACE FRONT WILL MOVE INTO
FORECAST AREA SHORTLY AFTER 12Z AND EXIT BY 18Z. DRIER AIR AND
STRONG SUBSIDENCE TO MOVE ACROSS THE AREA BY AFTERNOON. THIS
WILL ALLOW SKIES TO CLEAR. WITH MAX SUNSHINE DURING THE AFTERNOON
SHOULD BE ENOUGH TO OVERCOME COLD AIR ADVECTION AND ALLOW TEMPS
TO WARM INTO THE UPPER 70S.

TONIGHT...
HIGH PRESSURE TO SETTLE ACROSS THE AREA. WITH WINDS RELAXING DURING
THE NIGHT AND CLEAR SKIES SHOULD SEE MAX RADIATIONAL COOLING.

TUESDAY...
HIGH SHIFTS EAST OF THE AREA WITH SE FLOW RETURNING GRADUALLY FROM
WEST TO EAST DURING THE DAY.

EXTENDED...WEDNESDAY THROUGH FRIDAY...
ZONAL FLOW DEVELOPS ACROSS THE AREA. SERIES OF VORT MAXES IN THE
FLOW TO MOVE ACROSS. THEREFORE...WILL MENTION CHANCE FOR SHOWERS
EACH DAY.

.LCH...SEVERE THUNDERSTORM WATCH INLAND SE TX...C AND S LA.
LA...SVA LAZ027>033-041>045-051>055 UNTIL 14Z.
TX...SVA TXZ180>182 UNTIL 10Z.

7-RUA

PRELIM NUMBERS...
AEX 78/46/80/53 5001
BPT 79/52/79/58 4001
LCH 79/49/79/57 6001
LFT 78/50/80/55 7001

In the hours before

Local storm report, Mar 27, 2:03 AM CST, 3 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
203 AM CST MON MAR 27 2000

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

140 AM    ALEXANDRIA                LA   ONE INCH HAIL REPORTED BY SHERIFF'S OFFICE
03/27/00   RAPIDES

0207 AM    ALEXANDRIA                LA   WIND DAMAGE
03/27/00   RAPIDES                        TREES REPORTED DOWN ACROSS
                                          ROADS AND ON ONE
                                          HOME.

KGK
Local storm report, Mar 27, 2:03 AM CST, 3 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
203 AM CST MON MAR 27 2000

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

140 AM     ALEXANDRIA                LA   ONE INCH HAIL REPORTED BY
03/27/00   RAPIDES                        SHERIFF'S OFFICE

145 AM     ALEXANDRIA                LA   WIND DAMAGE
03/27/00   RAPIDES                        TREES REPORTED DOWN
                                          ACROSS ROADS AND ON ONE
                                          HOME.

KGK
Local storm report, Mar 27, 2:46 AM CST, 2 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
246 AM CST MON MAR 27 2000

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

0140 AM    ALEXANDRIA                LA   1.00 INCH HAIL
03/27/00   RAPIDES

0145 AM    ALEXANDRIA                LA   WIND DAMAGE
03/27/00   RAPIDES                        TREES REPORTED DOWN ACROSS
                                          ROADS AND ONTO ONE
                                          HOME

KGK

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 1:10 AM CSTSevere Thunderstorm WarningLCHRapides65 min
Mar 27, 1:52 AM CSTSevere Thunderstorm WarningLCHAvoyelles58 min
Mar 27, 3:12 AM CSTSevere Thunderstorm WarningLCHSaint Landry63 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2000Every 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.