Alert archive / Louisiana / Special Weather Statements in 2021

Special Weather Statement, NWS New Orleans, LA

July 3, 2021East Baton Rouge Parish, Louisiana

NWS New Orleans, LA issued this special weather statement at Jul 3, 2021, 4:58 PM CDT for East Baton Rouge Parish, Louisiana. It was in force for 32 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 3, 2021, 4:58 PM CDT (21:58 UTC)
Expired
Jul 3, 2021, 5:30 PM CDT
In force
32 min
Issued by
NWS New Orleans, LA

County East Baton Rouge Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.0 hours before the alert went out and 138 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, Slidell Radar S, LA at 12:00Z on 2021-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1029 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, Slidell Radar S, LA at 12:00Z on 2021-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -50 square meters per square second.193958Sfc1 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
1029 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
609 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-50 m²/s²
0-3 km storm-relative helicity
-48 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 Jul 3, 3:48 PM CDT, 1 hour 10 minutes earlier.

Area forecast discussion, Jul 3, 3:48 PM CDT, 1 hour 10 minutes before
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In the hours before

Local storm report, Jul 3, 3:19 PM CDT, 1 hour 39 minutes before
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Special weather statement, Jul 3, 4:39 PM CDT, 19 minutes before
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Special weather statement, Jul 3, 4:58 PM CDT, 0 minutes before
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      <p id="message2">
        Please try again in a few minutes.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 7:15 PM CDTFlash Flood WarningLIXAscension, East Baton Rouge3 hr
Jul 2, 7:48 PM CDTSpecial Marine WarningLIX57 min
Jul 2, 7:56 PM CDTSpecial Weather StatementLIXSaint Charles, Saint John the Baptist34 min
Jul 2, 8:14 PM CDTAreal Flood AdvisoryLIXEast Baton Rouge61 min
Jul 2, 8:56 PM CDTSpecial Marine WarningLIX64 min
Jul 2, 9:52 PM CDTSpecial Marine WarningLIX38 min
Jul 3, 1:23 PM CDTAreal Flood AdvisoryLIXJefferson, Orleans, Plaquemines, Saint Bernard, Saint Charles3 hr
Jul 3, 1:31 PM CDTFlash Flood WarningLIXJefferson, Orleans, Plaquemines, Saint Bernard111 min
Jul 3, 1:48 PM CDTAreal Flood AdvisoryLIXAscension, East Baton Rouge, Iberville, Livingston44 min
Jul 3, 2:25 PM CDTFlash Flood WarningLIXJefferson, Orleans3 hr
Jul 3, 3:02 PM CDTFlash Flood WarningLIXJefferson3 hr
Jul 3, 4:39 PM CDTSpecial Weather StatementLIXEast Baton Rouge36 min
Jul 3, 5:10 PM CDTAreal Flood AdvisoryLIXAscension, East Baton Rouge, Iberville, Livingston, West Baton Rouge3 hr

Nearby

Special Weather Statements in Louisiana, 2021Every special weather statement in 2021

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.