Alert archive / Louisiana / Special Weather Statements in 2022

Special Weather Statement, NWS New Orleans, LA

August 7, 2022Iberville Parish, West Baton Rouge Parish, Louisiana

NWS New Orleans, LA issued this special weather statement at Aug 7, 2022, 3:52 PM CDT for Iberville Parish, West Baton Rouge Parish, Louisiana. It was in force for 53 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
Aug 7, 2022, 3:52 PM CDT (20:52 UTC)
Expired
Aug 7, 2022, 4:45 PM CDT
In force
53 min
Issued by
NWS New Orleans, LA
Hail
0.00 in
Wind
40

Counties Iberville Parish, LA, West Baton Rouge Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.9 hours before the alert went out and 162 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 12:00Z on 2022-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2373 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 12:00Z on 2022-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 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
2373 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
701 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
-25 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 New Orleans, LA wrote its last area forecast discussion before this special weather statement went out at Aug 7, 11:20 AM CDT, 4 hours 32 minutes earlier.

Area forecast discussion, Aug 7, 11:20 AM CDT, 4 hours 32 minutes before
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In the hours before

Special weather statement, Aug 7, 2:16 PM CDT, 1 hour 36 minutes before
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Special weather statement, Aug 7, 2:54 PM CDT, 58 minutes before
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Special weather statement, Aug 7, 3:18 PM CDT, 34 minutes before
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Special weather statement, Aug 7, 3:52 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service New Orleans LA
352 PM CDT Sun Aug 7 2022

LAZ034-046-047-072145-
Iberville LA-Pointe Coupee LA-West Baton Rouge LA-
352 PM CDT Sun Aug 7 2022

...Strong thunderstorms will impact portions of West Baton Rouge,
southeastern Pointe Coupee and Iberville Parishes through 445 PM
CDT...

At 349 PM CDT, Doppler radar was tracking strong thunderstorms over
mainly rural areas of Iberville, West Baton Rouge, and Pointe Coupee
Parishes, moving northwest at 15 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Plaquemine, Addis, Brusly, Livonia, Maringouin, Rosedale, Grosse
Tete, Ramah and Erwinville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3062 9132 3021 9119 3013 9146 3019 9147
      3020 9149 3023 9148 3024 9157 3026 9159
      3032 9163 3035 9163 3036 9164 3038 9163
      3044 9164 3050 9171 3051 9175
TIME...MOT...LOC 2049Z 152DEG 14KT 3022 9134

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

BL

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 7, 2:16 PM CDTSpecial Weather StatementLIXSaint James44 min
Aug 7, 2:54 PM CDTSpecial Weather StatementLIXAscension36 min
Aug 7, 3:18 PM CDTSpecial Weather StatementLIXAssumption42 min
Aug 7, 4:18 PM CDTSpecial Weather StatementLIXSaint Tammany27 min
Aug 7, 4:43 PM CDTSpecial Weather StatementLIXWest Baton Rouge32 min
Aug 7, 4:51 PM CDTSpecial Weather StatementLIXSaint Tammany24 min
Aug 7, 5:14 PM CDTSpecial Weather StatementLIXSaint Tammany31 min
Aug 7, 5:21 PM CDTSpecial Weather StatementLIXAmite24 min

Nearby

Special Weather Statements in Louisiana, 2022Every special weather statement in 2022

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.