Alert archive / Louisiana / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 84, NWS Lake Charles, LA

July 2, 2005Calcasieu Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Jul 2, 2005, 3:25 PM CDT for Calcasieu Parish, Louisiana. It was in force for 65 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 2, 2005, 3:25 PM CDT (20:25 UTC)
Expired: Jul 2, 2005, 4:30 PM CDT
In force: 65 min
Issued by: NWS Lake Charles, LA
Area: Counties, with a storm outline in the text

County Calcasieu Parish, LA

The radar

The Lake Charles radar (KLCH), 10 km from the middle of the area, began a volume at 20:25 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
Jul 2, 4:00 PM CDT	TSTM WND DMG	Lake Charles, LA	POWER LINES BLOWN DOWN IN THE CITY. REPORTED BY CALCASIEU PARISH SHERIFF OFFICE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 35 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.4 hours before the alert went out and 11 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: 2899 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 593 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 9 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.

000 
WUUS54 KLCH 022025
SVRLCH
LAC019-022130-
/O.NEW.KLCH.SV.W.0084.050702T2025Z-050702T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
325 PM CDT SAT JUL 2 2005

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 430 PM CDT

* AT 319 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 7 MILES WEST OF GILLIS TO VINTON...AND MOVING SOUTHEAST AT 25
  MPH.

* SEVERE THUNDERSTORMS EXPECTED TO BE NEAR...
   GILLIS BY 330 PM CDT
   SULPHUR BY 335 PM CDT
   MOSS BLUFF...WESTLAKE AND CARLYSS BY 340 PM CDT
   LAKE CHARLES BY 350 PM CDT
   HOLMWOOD BY 410 PM CDT

THE CITY OF DEQUINCY LOST POWER AS THESE STORMS PASSED THROUGH.  STRONG
WINDS WILL BE EXPERIENCED PRIOR TO THE THUNDERSTORMS ARRIVING.

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

LAT...LON 3008 9359 3022 9369 3041 9338 3040 9337
      3040 9318 3012 9299 3010 9296 3009 9299
      3006 9299

$$

13

1 follow-up statement

000 
WWUS54 KLCH 022103
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
402 PM CDT SAT JUL 2 2005

LAC019-022130-
/O.CON.KLCH.SV.W.0084.000000T0000Z-050702T2130Z/
CALCASIEU LA-
402 PM CDT SAT JUL 2 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 430 PM CDT FOR
CALCASIEU PARISH...

AT 400 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM LEBLEU TO CARLYSS..MOVING SOUTHEAST AT 25 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  HOLMWOOD BY 420 PM CDT
  BELL CITY AND HAYES BY 430 PM CDT

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT
SATURDAY EVENING FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS. A
SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR CENTRAL LOUISIANA.

LAT...LON 3008 9351 3021 9362 3041 9338 3040 9337
      3037 9305 3014 9300 3015 9291 3010 9291
      3010 9299 3006 9299

$$

SHAMBURGER

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 Jul 2, 2:31 PM CDT, 54 minutes earlier.

Area forecast discussion, Jul 2, 2:31 PM CDT, 54 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
231 PM CDT SAT JUL 2 2005

.DISCUSSION...
EXPECT THAT SHOWERS AND THUNDERSTORMS WILL HAVE DIMINISHED OVER THE
NORTHERN SECTIONS OF THE FORECAST AREA BY DARK WHILE SOME CHANCE OF
STORMS WILL CONTINUE OVER THE SOUTHERN PARTS OF THE AREA. MODELS SHOW
SUBSTANTIAL MOISTURE CONTINUING OVER THE AREA AS A SERIES OF UPPER
LEVELS DISTURBANCE APPROACH AND MOVE OVER THE AREA OVERNIGHT.

DRYING IS EXPECTED SUNDAY SO THAT CHANCES OF RAIN WILL BE SMALLER WITH
A CHANCE OF SHOWERS AND THUNDERSTORMS SOUTH MAINLY ASSOCIATED WITH SEA
BREEZE ACTIVITY.

A HIGH PRESSURE RIDGE IS PROGGED TO BUILD IN ALOFT BY MONDAY SO THAT
RELATIVELY DRY AND STABLE CONDITIONS WILL MAKE FOR SMALL CHANCES OF
RAIN SUNDAY NIGHT THROUGH MONDAY NIGHT.

CHANCES OF RAIN ARE EXPECTED TO INCREASE TUESDAY WHEN A TROPICAL WAVE
MOVES INTO THE AREA BRINGING SUBSTANTIAL MOISTURE.
&&

.AVIATION...
THUNDERSTORMS ARE MOVING INTO THE ALEXANDRIA AREA AT THIS TIME AND
COULD AFFECT THE LAKE CHARLES AND LAFAYETTE AIRPORTS LATER TODAY.
&&

.MARINE...
WINDS SHOULD REMAIN RELATIVELY WEAK FOR THE SHORT TERM BUT INCREASE
SLIGHTLY AS THE TROPICAL WAVE MOVES THROUGH THE COASTAL WATERS.
&&

.PRELIMINARY POINT TEMPS/POPS...
KLCH  75  96  77  94 /  50  30  20  20
KBPT  76  95  77  94 /  50  30  20  20
KAEX  75  99  75  96 /  30  20  20  20
KLFT  75  96  77  94 /  50  30  20  20
&&

.LCH WATCHES/WARNINGS/ADVISORIES...
OUTDOOR BURING BANS CONTINUE FOR HARDIN...TYLER...JASPER AND NEWTON
COUNTIES IN SOUTHEAST TEXAS
LA...NONE.
TX...NONE.

&&

Hazardous weather outlook, Jul 2, 5:35 AM CDT, 9 hours 50 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
535 AM CDT SAT JUL 2 2005

GMZ450-455-470-475-LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-
041100-
ACADIA-ALLEN-AVOYELLES-BEAUREGARD-CALCASIEU-CAMERON-EVANGELINE-
HARDIN-IBERIA-JASPER-JEFFERSON-JEFFERSON DAVIS-LAFAYETTE-
LOWER ST. MARTIN-NEWTON-ORANGE-RAPIDES-ST. LANDRY-ST. MARY-TYLER-
UPPER ST. MARTIN-VERMILION-VERNON-
INCLUDING THE CITIES OF...WOODVILLE...PORT ARTHUR...ORANGE...
NEWTON...KOUNTZE...JASPER...BEAUMONT...OBERLIN...ABBEVILLE...
VILLE PLATTE...OPELOUSAS...NEW IBERIA...MORGAN CITY...MARKSVILLE...
LEESVILLE...LAKE CHARLES...LAFAYETTE...JENNINGS...DERIDDER...
CROWLEY...CAMERON AND ALEXANDRIA

.DAY ONE...TODAY AND TONIGHT
AN UPPER LEVEL DISTURBANCE ACROSS SOUTHEAST TEXAS WILL CONTINUE TO
PRODUCE NUMEROUS SHOWERS AND THUNDERSTORMS THIS MORNING ACROSS
CENTRAL AND SOUTHERN LOUISIANA. LOCALIZED FLOODING AND DAMAGING
WINDS WILL BE THE BIGGEST WEATHER THREAT TODAY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
FOR MONDAY...ISOLATED THUNDERSTORMS WILL BE POSSIBLE ACROSS
SOUTHEAST TEXAS...WITH SCATTERED THUNDERSTORMS EXPECTED FURTHER EAST
ACROSS CENTRAL AND SOUTHERN LOUISIANA. BY TUESDAY AND WEDNESDAY
...SHOWERS AND THUNDERSTORMS WILL INCREASE SIGNIFICANTLY WITH THE
APPROACH OF A TROPICAL DISTURBANCE CURRENTLY OVER THE NORTHWEST
CARIBBEAN.

BY THURSDAY INTO NEXT WEEKEND...EXPECT THE WEATHER PATTERN TO RETURN
TO NORMAL...WITH SCATTERED AFTERNOON AND EARLY EVENING SHOWERS AND
THUNDERSTORMS EXPECTED. AT THIS TIME...NO HAZARDOUS WEATHER IS
EXPECTED.

.SPOTTER INFORMATION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS, HAM RADIO OPERATORS, AND EMERGENCY
MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER OPERATIONS...
MAY BE REQUIRED TODAY.

DML

In the hours before

Local storm report, Jul 2, 10:09 AM CDT, 5 hours 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1009 AM CDT SAT JUL 02 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 AM     WATER SPOUT      22 S GRAND CHENIER      29.45N 92.97W
07/02/2005                   GMZ455             LA   PUBLIC

            PLATFORM OPERATOR REPORTS 3 WATERSPOUTS ENROUTE VIA
            HELICOPTER FROM GRAND CHENIER TO PLATFORM IN EAST CAMERON
            BLOCK 46.

&&

MOGGED

Local storm report, Jul 2, 10:19 AM CDT, 5 hours 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1019 AM CDT SAT JUL 02 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1017 AM     FUNNEL CLOUD     18 S INTRACOASTAL CITY  29.52N 92.16W
07/02/2005                   GMZ455             LA   OTHER FEDERAL

            REPORTED BY FRESHWATER LOCKS OPERATOR.

&&

MOGGED

Special weather statement, Jul 2, 12:32 PM CDT, 2 hours 53 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1232 PM CDT SAT JUL 2 2005

.SEVERE THUNDERSTORM WATCH NUMBER 578 HAS BEEN ISSUED FOR PARTS OF
INTERIOR SOUTHEAST TEXAS...CENTRAL AND SOUTH-CENTRAL LOUISIANA. THE
WATCH WILL CONTINUE IN EFFECT THROUGH 6 PM CDT

LAZ027>033-044-TXZ180>182-022300-
ALLEN-AVOYELLES-BEAUREGARD-EVANGELINE-JASPER-LAFAYETTE-NEWTON-
RAPIDES-ST. LANDRY-TYLER-VERNON-
INCLUDING THE CITIES OF...WOODVILLE...NEWTON...JASPER...OBERLIN...
VILLE PLATTE...OPELOUSAS...MARKSVILLE...LEESVILLE...LAFAYETTE...
DERIDDER AND ALEXANDRIA

A LARGE CLUSTER OF NUMEROUS SHOWERS AND SEVERE THUNDERSTORMS IS
MOVING
SOUTHEAST 30 MPH ACROSS NORTHEAST TEXAS. SOME OF THE STORMS IN THIS
AREA WILL MOVE SOUTHEAST INTO NORTHWESTERN TYLER COUNTY IN SOUTHEAST
TEXAS AROUND 1 PM. THE AREA OF SHOWERS AND VERY STRONG THUNDERSTORMS
IS EXPECTED TO CONTINUE TO DEVELOP TO THE EAST AND SOUTHEAST OVER
INTERIOR SOUTHEAST TEXAS AND MAINLY CENTRAL LOUISIANA THROUGH 6 PM
THIS EVENING. SEVERE STORMS THAT COULD PRODUCE LARGE HAIL AND
DAMAGING WINDS WILL BE POSSIBLE WITH THESE STORMS.

SEVERE THUNDERSTORM WATCH NUMBER 578 HAS BEEN ISSUED FOR THE
FOLLOWING COUNTIES AND PARISHES IN INTERIOR SOUTHEAST TEXAS...CENTRAL
LOUISIANA AND A SMALL PART OF SOUTH-CENTRAL LOUISIANA.

IN SOUTHEAST TEXAS...
TYLER... JASPER... NEWTON

IN CENTRAL LOUISIANA...
VERNON... RAPIDES... AVOYELLES... BEAUREGARD... ALLEN...
EVANGELINE... SAINT LANDRY

IN SOUTH-CENTRAL LOUISIANA...
LAFAYETTE

PEOPLE IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND SHOULD LISTEN FOR LATER STATEMENTS AND
POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES.

Local storm report, Jul 2, 2:42 PM CDT, 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
242 PM CDT SAT JUL 02 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0232 PM     TSTM WND DMG     8 SW LEESVILLE          31.06N 93.37W
07/02/2005                   VERNON             LA   LAW ENFORCEMENT

            UTILITY POLE BLOWN DOWN ON HWY 8.

&&

MOGGED

Local storm report, Jul 2, 3:18 PM CDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
318 PM CDT SAT JUL 02 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0305 PM     TSTM WND DMG     ALEXANDRIA              31.29N 92.46W
07/02/2005                   RAPIDES            LA   LAW ENFORCEMENT

            RAPIDES 911 REPORTS NUMEROUS TREES AND POWERLINES DOWN.

&&

MOGGED

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 6:15 AM CDT	Severe Thunderstorm Warning	LCH	Allen, Beauregard	47 min
Jul 2, 9:48 AM CDT	Special Marine Warning	LCH		57 min
Jul 2, 2:09 PM CDT	Severe Thunderstorm Warning	LCH	Rapides, Vernon	66 min
Jul 2, 3:13 PM CDT	Severe Thunderstorm Warning	LCH	Allen, Evangeline, Rapides	62 min
Jul 2, 3:40 PM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Saint Landry	65 min
Jul 2, 4:31 PM CDT	Special Marine Warning	LCH		59 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2005 Every severe thunderstorm warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.