Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 156, NWS Lake Charles, LA

November 27, 2001Beauregard Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Nov 27, 2001, 11:03 PM CST for Beauregard Parish, Louisiana. It was in force for 57 min. 1 report came from 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, with what was reported inside it.

The facts

Issued: Nov 27, 2001, 11:03 PM CST (05:03 UTC)
Expired: Nov 28, 2001, 12:00 AM CST
In force: 57 min
Issued by: NWS Lake Charles, LA
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Beauregard Parish, LA

The radar

The Ft Polk radar (KPOE), 62 km from the middle of the area, began a volume at 05:07 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 27, 11:05 PM CST	Thunderstorm Wind	Singer, LA

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 00:00Z, 5.1 hours before the alert went out and 70 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: 1018 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 497 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 199 m²/s²
0-3 km storm-relative helicity: 256 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.1

Open this sounding in Storm Lab

The text

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

010 
WUUS54 KLCH 280504
SVRLCH
LAC011-280600-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1103 PM CST TUE NOV 27 2001

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL MIDNIGHT CST

* AT 1103 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM ALONG A LINE EXTENDING FROM 4 MILES WEST OF
  MERRYVILLE TO 5 MILES NORTHWEST OF SINGER TO 15 MILES SOUTH OF
  SINGER...MOVING NORTHEAST AT 40 MPH.

* THIS STORM WILL BE NEAR...
  DE RIDDER BY 1110 PM CST
  BUNDICK LAKE BY 1120 PM CST
  SUGARTOWN BY 1130 PM CST

DESTRUCTIVE WINDS UP TO 70 MPH CAN BE EXPECTED - TAKE COVER NOW 
VEHICLES AND MOBIL HOMES ARE NOT SAFE.

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

LAT...LON 3076 9357 3068 9344 3045 9335 3086 9298
          3086 9350

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 27, 8:55 PM CST, 2 hours 8 minutes earlier.

Area forecast discussion, Nov 27, 8:55 PM CST, 2 hours 8 minutes before

SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
855 PM CST TUE NOV 27 2001

UPDATED ZONES TO INCLUDE TORNADO WATCH 834 UNTIL 1 AM. ALSO REDRAWN
ZONES WITH NECESSARY UPDATES TO TEMPS...WINDS...AND POPS DUE TO THE
FRONT BUCKLING A BIT FURTHER NORTH TONIGHT. THIS DECREASED
POPS/INCREASED TEMPS THE FURTHER SOUTH AND EAST OF THE FRONT...BUT
THE GREATER POSSIBILITY OF SEVERE STORMS. DID NOT CHANGE FLOOD
WATCH CONFIGURATION.

8

.UPDATED NUMBERS...
AEX 57/62/41/52/33/58/38 8+9-000
BPT 62/65/53/54/35/60/42 ++9-000
LCH 64/65/50/54/36/59/41 ++9-000
LFT 68/77/47/55/37/58/41 8+92000

.LCH...
FLOOD WATCH TONIGHT...FFA...LAZ001-003-009-011-019-023-039-053-
055-079-097-113-115-TXZ199-241-245 -351-361-457.

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 27, 11:14 PM CST	Special Marine Warning	LCH		2 hr
Nov 27, 11:14 PM CST	Special Marine Warning	LCH		2 hr
Nov 28, 1:12 AM CST	Special Marine Warning	LCH		63 min
Nov 28, 1:12 AM CST	Special Marine Warning	LCH		63 min
Nov 28, 2:10 AM CST	Special Marine Warning	LCH		65 min
Nov 28, 3:36 AM CST	Severe Thunderstorm Warning	LCH	Cameron	54 min
Nov 28, 4:24 AM CST	Tornado Warning	LCH	Cameron	36 min
Nov 28, 4:37 AM CST	Tornado Warning	LCH	Calcasieu	53 min
Nov 28, 10:37 AM CST	Tornado Warning	LCH	Beauregard, Calcasieu	53 min
Nov 28, 1:29 PM CST	Special Marine Warning	LCH		61 min
Nov 28, 1:47 PM CST	Severe Thunderstorm Warning	LCH	Rapides	58 min
Nov 28, 3:10 PM CST	Severe Thunderstorm Warning	LCH	Calcasieu	65 min
Nov 28, 3:53 PM CST	Severe Thunderstorm Warning	LCH	Allen, Jefferson Davis	67 min
Nov 28, 4:54 PM CST	Severe Thunderstorm Warning	LCH	Rapides	66 min
Nov 28, 5:28 PM CST	Severe Thunderstorm Warning	LCH	Beauregard	62 min
Nov 28, 5:48 PM CST	Special Marine Warning	LCH		57 min
Nov 28, 5:48 PM CST	Special Marine Warning	LCH		57 min
Nov 28, 5:48 PM CST	Special Marine Warning	LCH		57 min
Nov 28, 5:48 PM CST	Special Marine Warning	LCH		57 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.