Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 65, NWS New Orleans, LA

April 14, 2021East Feliciana Parish, West Feliciana Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Apr 14, 2021, 8:24 AM CDT for East Feliciana Parish, West Feliciana Parish, Louisiana. It was in force for 12 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
Apr 14, 2021, 8:24 AM CDT (13:24 UTC)
Expired
Apr 14, 2021, 8:36 AM CDT
In force
12 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties East Feliciana Parish, LA, West Feliciana Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 1.4 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, Slidell Radar S, LA at 12:00Z on 2021-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1255 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

830 
WUUS54 KLIX 141324
SVRLIX
LAC037-125-141400-
/O.NEW.KLIX.SV.W.0065.210414T1324Z-210414T1400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
824 AM CDT Wed Apr 14 2021

The National Weather Service in New Orleans has issued a

* Severe Thunderstorm Warning for...
  Southeastern West Feliciana Parish in southeastern Louisiana...
  Central East Feliciana Parish in southeastern Louisiana...

* Until 900 AM CDT.

* At 824 AM CDT, a severe thunderstorm was located over St.
  Francisville, moving northeast at 35 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Jackson, St. Francisville, Clinton, Wilson and Norwood. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3100 9117 3100 9106 3082 9094 3070 9135
      3076 9137 3076 9141 3082 9145
TIME...MOT...LOC 1324Z 241DEG 29KT 3078 9135 

HAIL...1.00IN
WIND...60MPH
 
$$

KLG
1 follow-up statement
044 
WWUS54 KLIX 141336
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
836 AM CDT Wed Apr 14 2021

LAC037-125-141346-
/O.CAN.KLIX.SV.W.0065.000000T0000Z-210414T1400Z/
West Feliciana LA-East Feliciana LA-
836 AM CDT Wed Apr 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WEST FELICIANA
AND CENTRAL EAST FELICIANA PARISHES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However small hail is 
still possible with this thunderstorm.

LAT...LON 3100 9117 3100 9106 3082 9094 3070 9135
      3076 9137 3076 9141 3082 9145
TIME...MOT...LOC 1335Z 241DEG 29KT 3083 9125 

$$

KLG

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 7:36 PM CDTSpecial Weather StatementLIXAssumption24 min
Apr 13, 7:37 PM CDTSpecial Weather StatementLIXTerrebonne23 min
Apr 13, 9:31 PM CDTRiver Flood WarningLIXSaint Tammany4 days
Apr 13, 9:31 PM CDTRiver Flood WarningLIXSaint Tammany5 days
Apr 14, 7:29 AM CDTSpecial Weather StatementLIXPointe Coupee, West Feliciana46 min
Apr 14, 7:34 AM CDTSevere Thunderstorm WarningLIXPointe Coupee, West Feliciana41 min
Apr 14, 8:12 AM CDTSpecial Weather StatementLIXEast Feliciana48 min
Apr 14, 8:18 AM CDTSpecial Weather StatementLIXPointe Coupee, West Feliciana27 min
Apr 14, 8:49 AM CDTSpecial Weather StatementLIXEast Baton Rouge, West Baton Rouge56 min
Apr 14, 9:04 AM CDTSpecial Weather StatementLIXEast Feliciana, Saint Helena41 min
Apr 14, 9:09 AM CDTSevere Thunderstorm WarningLIXEast Baton Rouge, Iberville, Livingston, West Baton Rouge36 min
Apr 14, 9:12 AM CDTSpecial Weather StatementLIXTerrebonne33 min
Apr 14, 9:34 AM CDTAreal Flood AdvisoryLIXAscension, East Baton Rouge, Livingston, Saint Helena, West Baton Rouge116 min
Apr 14, 9:36 AM CDTSpecial Weather StatementLIXLivingston24 min
Apr 14, 9:41 AM CDTSpecial Weather StatementLIXAscension, Assumption, Livingston, Saint James34 min
Apr 14, 10:01 AM CDTSpecial Weather StatementLIXWashington29 min
Apr 14, 10:11 AM CDTSpecial Weather StatementLIXJefferson, Lafourche34 min
Apr 14, 10:15 AM CDTSpecial Weather StatementLIXSaint Tammany30 min
Apr 14, 10:16 AM CDTSpecial Weather StatementLIXSaint James, Saint John the Baptist29 min
Apr 14, 10:20 AM CDTSpecial Weather StatementLIXAssumption25 min
Apr 14, 10:24 AM CDTRiver Flood WarningLIXSaint Tammany3 days
Apr 14, 10:28 AM CDTSpecial Weather StatementLIXEast Feliciana, West Feliciana32 min
Apr 14, 10:30 AM CDTSpecial Weather StatementLIXSaint Tammany30 min
Apr 14, 10:47 AM CDTSpecial Weather StatementLIXJefferson28 min
Apr 14, 11:03 AM CDTSpecial Marine WarningLIX57 min
Apr 14, 11:05 AM CDTSpecial Weather StatementLIXLivingston, Saint Helena, Tangipahoa25 min
Apr 14, 11:07 AM CDTSpecial Marine WarningLIX53 min
Apr 14, 11:21 AM CDTSpecial Weather StatementLIXLafourche24 min
Apr 14, 11:28 AM CDTSpecial Weather StatementLIXTangipahoa, Washington32 min
Apr 14, 11:51 AM CDTSpecial Marine WarningLIX54 min
Apr 14, 11:58 AM CDTSpecial Weather StatementLIXPlaquemines32 min
Apr 14, 12:32 PM CDTSpecial Weather StatementLIXLafourche, Saint Charles, Terrebonne28 min
Apr 14, 1:02 PM CDTSpecial Weather StatementLIXJefferson, Lafourche28 min
Apr 14, 1:11 PM CDTSpecial Marine WarningLIX64 min
Apr 14, 1:32 PM CDTSpecial Weather StatementLIXJefferson28 min
Apr 14, 2:08 PM CDTSpecial Marine WarningLIX67 min
Apr 14, 2:55 PM CDTSpecial Marine WarningLIX65 min
Apr 14, 3:45 PM CDTSpecial Weather StatementLIXLivingston, Tangipahoa30 min
Apr 14, 4:12 PM CDTSpecial Weather StatementLIXSaint Tammany33 min
Apr 14, 4:24 PM CDTSpecial Marine WarningLIX96 min
Apr 14, 5:03 PM CDTAreal Flood AdvisoryLIXJefferson, Orleans, Plaquemines, Saint Bernard3 hr
Apr 14, 5:26 PM CDTSpecial Marine WarningLIX105 min
Apr 14, 5:27 PM CDTSpecial Weather StatementLIXSaint Charles33 min
Apr 14, 6:21 PM CDTSpecial Marine WarningLIX114 min
Apr 14, 6:24 PM CDTSpecial Weather StatementLIXJefferson96 min
Apr 14, 6:39 PM CDTSpecial Marine WarningLIX2 hr
Apr 14, 6:57 PM CDTSpecial Marine WarningLIX2 hr

Nearby

Severe Thunderstorm Warnings in Louisiana, 2021Every severe thunderstorm warning 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.