Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 82, NWS Lake Charles, LA

June 27, 2001Vernon Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Jun 27, 2001, 5:46 PM CDT for Vernon Parish, Louisiana. It was in force for 59 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: Jun 27, 2001, 5:46 PM CDT (22:46 UTC)
Expired: Jun 27, 2001, 6:45 PM CDT
In force: 59 min
Issued by: NWS Lake Charles, LA
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Vernon Parish, LA

What was reported inside it

Time	Report	Where	Remark
Jun 27, 5:53 PM CDT	Hail 0.88	Burr Ferry, 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 12:00Z, 10.8 hours before the alert went out and 107 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: 1130 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 1079 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

628 
WUUS54 KLCH 272246
SVRLCH
LAC115-272345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
546 PM CDT WED JUN 27 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  VERNON PARISH IN WEST CENTRAL LOUISIANA

* UNTIL 645 PM CDT

* AT 544 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 15 MILES SOUTHWEST OF LEESVILLE...MOVING EAST
  AT 10 MPH.

* THIS STORM WILL BE NEAR...
  NEW LLANO BY 635 PM CDT
  PICKERING...LEESVILLE BY 640 PM CDT
  FORT POLK BY 645 PM CDT

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 3114 9351 3094 9351 3093 9309 3120 9311

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 Jun 27, 2:15 PM CDT, 3 hours 31 minutes earlier.

Area forecast discussion, Jun 27, 2:15 PM CDT, 3 hours 31 minutes before

SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
215 PM CDT WED JUN 27 2001

AN UPPER LEVEL LOW PRESSURE SYSTEM OVER SOUTHERN MO IS SLOWLY
RETROGRADING SOUTHWEST AND WILL CONTINUE TO CAUSE A NORTHWEST FLOW ABOVE
15 THSD FEET IN SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS.  THE LCH
SOUNDING SHOWS A PRECIP WATER OF 1.74 AND A CAPE OF 2362.  THIS WILL
CONTINUE TOMORROW AND FRIDAY CAUSING SCATTERED SHOWERS AND
THUNDERSTORMS ONCE AGAIN...ESPECIALLY ALONG THE SEA BREEZE FRONT.
THE WINDS SHOULD INCREASE FROM THE SOUTHEAST TO BETWEEN 10 AND 15
MPH ON THURSDAY.  TEMPERATURES WILL REMAIN NEAR NORMAL FOR THIS TIME
OF YEAR WITH AMPLE AMOUNT OF SUNSHINE.

MARINE...BOY035 SHOWED A  SOUTH WIND AT 7 MPH AND 2 FOOT SEAS.
LITTLE MORE WIND AT NIGHT IS EXPECTED WITH LIGHT WINDS DURING THE
DAY.  SEAS SHOULD REMAIN ABOUT THE SAME FOR THE NEXT FEW DAYS.

EXTENDED...A SOUTH TO SOUTHEAST WIND WILL PREVAIL CAUSING SCATTERED
SHOWERS OR THUNDERSTORMS ALONG THE SEAS BREEZE FRONT TO CONTINUE
THROUGH THE WEEKEND.  WINDS AND SEAS WILL REMAIN LIGHT OVER THE
COASTAL WATERS THROUGH THE BEGINNING OF NEXT WEEK.

.PREVIOUdS NUMBERS...
AEX 71/89/70/89/71 24242
BPT 71/89/72/88/73 14141
LCH 72/88/72/88/72 15151
LFT 72/88/72/89/73 15151

.LCH...NONE.

55

In the hours before

Local storm report, Jun 27, 5:09 PM CDT, 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
509 PM CDT WED JUN 27 2001

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

0505 PM    3 N SULPHUR               LA   .75 INCH HAIL
06/27/01   CALCASIEU

THM

Local storm report, Jun 27, 5:36 PM CDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
536 PM CDT WED JUN 27 2001

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

0505 PM    3 N SULPHUR               LA   .75 INCH HAIL
06/27/01   CALCASIEU

0515 PM    4 W SULPHUR               LA   .75 INCH HAIL
06/27/01   CALCASIEU

0530 PM    CARLYSS                >   LA   .75 INCH HAIL
06/27/01   CALCASIEU                     THM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 4:07 PM CDT	Severe Thunderstorm Warning	LCH	Jefferson Davis	38 min
Jun 27, 4:56 PM CDT	Severe Thunderstorm Warning	LCH	Calcasieu	34 min
Jun 27, 5:27 PM CDT	Severe Thunderstorm Warning	LCH	Calcasieu	63 min
Jun 27, 6:55 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard	50 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.