Alert archive / Louisiana / Special Weather Statements in 2016

Special Weather Statement, NWS Lake Charles, LA

July 14, 2016Allen Parish, Rapides Parish, Vernon Parish, Louisiana

NWS Lake Charles, LA issued this special weather statement at Jul 14, 2016, 4:38 PM CDT for Allen Parish, Rapides Parish, Vernon Parish, Louisiana. It was in force for 97 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 14, 2016, 4:38 PM CDT (21:38 UTC)
Expired
Jul 14, 2016, 6:15 PM CDT
In force
97 min
Issued by
NWS Lake Charles, LA

Counties Allen Parish, LA, Rapides Parish, LA, Vernon Parish, LA

The radar

The Ft Polk radar (KPOE), 25 km from the middle of the area, began a volume at 21:42 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

Shreveport, LA (KBAD), launched 12:00Z, 9.6 hours before the alert went out and 188 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, Shreveport, LA at 12:00Z on 2016-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 645 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, Shreveport, LA at 12:00Z on 2016-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 square meters per square second.1939Sfc1 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
645 J/kg
Mixed-layer CIN
-344 J/kg
Mixed-layer LCL
1134 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 14, 3:29 PM CDT, 1 hour 9 minutes earlier.

Area forecast discussion, Jul 14, 3:29 PM CDT, 1 hour 9 minutes before
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Hazardous weather outlook, Jul 14, 6:08 AM CDT, 10 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
608 AM CDT THU JUL 14 2016

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
151115-
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON-
EAST CAMERON-TYLER-HARDIN-JEFFERSON-ORANGE-NORTHERN JASPER-
NORTHERN NEWTON-SOUTHERN JASPER-SOUTHERN NEWTON-
608 AM CDT THU JUL 14 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
LOUISIANA...SOUTH CENTRAL LOUISIANA...SOUTHWEST LOUISIANA...WEST
CENTRAL LOUISIANA AND SOUTHEAST TEXAS.

.DAY ONE...TODAY AND TONIGHT

ISOLATED TO SCATTERED AND MAINLY AFTERNOON AND EARLY EVENING
SHOWERS AND THUNDERSTORMS ARE POSSIBLE. SEVERE THUNDERSTORMS ARE
NOT EXPECTED...BUT STRONGER STORMS WILL BE CAPABLE OF FREQUENT
LIGHTNING...GUSTY WINDS...AND LOCALLY HEAVY RAIN.

AFTERNOON HEAT INDEX VALUES WILL REMAIN ELEVATED...AVERAGING AROUND
105 DEGREES ACROSS THE AREA.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

ISOLATED TO SCATTERED AND MAINLY AFTERNOON AND EARLY EVENING
SHOWERS AND THUNDERSTORMS ARE POSSIBLE. SEVERE THUNDERSTORMS ARE
NOT EXPECTED...BUT STRONGER STORMS WILL BE CAPABLE OF FREQUENT
LIGHTNING...GUSTY WINDS...AND LOCALLY HEAVY RAIN.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

GMZ430-432-435-450-452-455-470-472-475-151115-
SABINE LAKE-CALCASIEU LAKE-VERMILION BAY-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM-
WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-
WATERS FROM  INTRACOASTAL CITY TO CAMERON LA FROM 20 TO 60 NM-
WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA FROM
20 TO 60 NM-
608 AM CDT THU JUL 14 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF GULF OF MEXICO.

.DAY ONE...TODAY AND TONIGHT

ISOLATED TO SCATTERED AND MAINLY OVERNIGHT AND EARLY MORNING
SHOWERS AND THUNDERSTORMS ARE POSSIBLE. SEVERE THUNDERSTORMS ARE
NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

ISOLATED TO SCATTERED AND MAINLY OVERNIGHT AND EARLY MORNING
SHOWERS AND THUNDERSTORMS ARE POSSIBLE. SEVERE THUNDERSTORMS ARE
NOT EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

13

In the hours before

Special weather statement, Jul 14, 10:41 AM CDT, 5 hours 57 minutes before
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Special weather statement, Jul 14, 1:43 PM CDT, 2 hours 55 minutes before
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Special weather statement, Jul 14, 2:33 PM CDT, 2 hours 5 minutes before
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Special weather statement, Jul 14, 2:38 PM CDT, 2 hours before
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Special weather statement, Jul 14, 3:03 PM CDT, 1 hour 35 minutes before
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Special weather statement, Jul 14, 4:38 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
438 PM CDT THU JUL 14 2016

LAZ027-028-030>032-142315-
EVANGELINE LA-RAPIDES LA-ALLEN LA-BEAUREGARD LA-VERNON LA-
438 PM CDT THU JUL 14 2016

...SPECIAL WEATHER STATEMENT...

AT 438 PM CDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM 6 MILES NORTH OF DRY CREEK TO NEAR ELIZABETH TO
NEAR OAKDALE. MOVEMENT WAS NORTH AT 20 MPH.

WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
ALEXANDRIA...OAKDALE...LEESVILLE...GLENMORA...ELIZABETH...MITTIE...
DRY CREEK...PITKIN...FORT POLK...SUGARTOWN...HINESTON...GRANT...
NEW LLANO...LACAMP...ALLEN PARISH AIRPORT...CRAVENS...FULLERTON...
BEAVER...OTIS AND SIEPER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH
FLOODED ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3124 9247 3064 9254 3065 9315 3118 9337
TIME...MOT...LOC 2138Z 160DEG 18KT 3075 9308 3084 9284 3085 9261

LANDRENEAU

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 10:41 AM CDTSpecial Weather StatementLCHSaint Martin49 min
Jul 14, 2:33 PM CDTSpecial Weather StatementLCHAcadia57 min
Jul 14, 2:38 PM CDTSpecial Weather StatementLCHJefferson Davis52 min
Jul 14, 3:03 PM CDTSpecial Weather StatementLCHAcadia42 min
Jul 14, 6:20 PM CDTSpecial Marine WarningLCH85 min

Nearby

Special Weather Statements in Louisiana, 2016Every special weather statement in 2016

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.