Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 71, NWS New Orleans, LA

April 15, 2021Amite County, Wilkinson County, Mississippi; East Feliciana Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Apr 15, 2021, 4:36 AM CDT for Amite County, Wilkinson County, Mississippi; East Feliciana Parish, Louisiana. It was in force for 24 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 15, 2021, 4:36 AM CDT (09:36 UTC)
Expired
Apr 15, 2021, 5:00 AM CDT
In force
24 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties East Feliciana Parish, LA, Amite County, MS, Wilkinson County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 9.6 hours before the alert went out and 159 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 00:00Z on 2021-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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 00:00Z on 2021-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 311 square meters per square second.19395878Sfc1 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
5 J/kg
Mixed-layer CIN
-620 J/kg
Mixed-layer LCL
709 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
311 m²/s²
0-3 km storm-relative helicity
272 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

418 
WUUS54 KLIX 150936
SVRLIX
LAC037-MSC005-157-151000-
/O.NEW.KLIX.SV.W.0071.210415T0936Z-210415T1000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
436 AM CDT Thu Apr 15 2021

The National Weather Service in New Orleans has issued a

* Severe Thunderstorm Warning for...
  Northeastern East Feliciana Parish in southeastern Louisiana...
  Southeastern Wilkinson County in southern Mississippi...
  Southwestern Amite County in southern Mississippi...

* Until 500 AM CDT.

* At 436 AM CDT, a severe thunderstorm was located near Woodville, or
  16 miles north of Jackson, moving east 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...
  Centreville, Woodville, Norwood and Felps. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in New Orleans.

&&

LAT...LON 3091 9087 3099 9118 3100 9118 3100 9122
      3102 9132 3115 9130 3116 9083
TIME...MOT...LOC 0936Z 276DEG 28KT 3107 9123 

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

PG

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 9:04 PM CDTRiver Flood WarningLIXPearl River4 days
Apr 14, 9:34 PM CDTSpecial Weather StatementLIXHancock71 min
Apr 15, 2:38 AM CDTSevere Thunderstorm WarningLIXPike27 min
Apr 15, 2:44 AM CDTSpecial Weather StatementLIXPearl River61 min
Apr 15, 3:04 AM CDTSevere Thunderstorm WarningLIXJackson41 min
Apr 15, 3:10 AM CDTSpecial Weather StatementLIXWalthall65 min
Apr 15, 3:16 AM CDTFlash Flood WarningLIXHancock, Harrison3 hr
Apr 15, 3:26 AM CDTSpecial Weather StatementLIXGeorge34 min
Apr 15, 3:35 AM CDTFlash Flood WarningLIXHarrison, Jackson3 hr
Apr 15, 3:40 AM CDTSpecial Weather StatementLIXWilkinson95 min
Apr 15, 3:49 AM CDTSevere Thunderstorm WarningLIXJackson41 min
Apr 15, 3:59 AM CDTSpecial Weather StatementLIXWilkinson76 min
Apr 15, 4:34 AM CDTSpecial Weather StatementLIXJackson56 min
Apr 15, 4:44 AM CDTSevere Thunderstorm WarningLIXJackson31 min
Apr 15, 6:40 AM CDTRiver Flood WarningLIXPearl River4 days
Apr 15, 6:44 AM CDTRiver Flood WarningLIXPike33 hr
Apr 15, 7:43 AM CDTRiver Flood WarningLIXHarrison51 hr
Apr 14, 7:57 PM CDTSpecial Weather StatementLIXPlaquemines63 min
Apr 14, 8:00 PM CDTSpecial Marine WarningLIX2 hr
Apr 14, 8:22 PM CDTSpecial Marine WarningLIX113 min
Apr 14, 9:12 PM CDTRiver Flood WarningLIXEast Baton Rouge72 hr
Apr 14, 9:18 PM CDTRiver Flood WarningLIXSaint Helena62 hr
Apr 14, 9:18 PM CDTRiver Flood WarningLIXSaint Helena70 hr
Apr 14, 9:18 PM CDTRiver Flood WarningLIXLivingston4 days
Apr 14, 9:36 PM CDTSpecial Marine WarningLIX84 min
Apr 14, 11:04 PM CDTAreal Flood AdvisoryLIXOrleans, Saint Tammany3 hr
Apr 14, 11:06 PM CDTSpecial Marine WarningLIX84 min
Apr 14, 11:22 PM CDTSpecial Weather StatementLIXTangipahoa53 min
Apr 14, 11:36 PM CDTAreal Flood AdvisoryLIXSaint Tammany, Tangipahoa3 hr
Apr 15, 12:10 AM CDTFlash Flood WarningLIXSaint Tammany2 hr
Apr 15, 12:15 AM CDTSpecial Marine WarningLIX60 min
Apr 15, 12:24 AM CDTSpecial Weather StatementLIXSaint Tammany81 min
Apr 15, 12:33 AM CDTSevere Thunderstorm WarningLIXSaint Tammany57 min
Apr 15, 12:49 AM CDTFlash Flood WarningLIXSaint Tammany106 min
Apr 15, 1:03 AM CDTSpecial Marine WarningLIX87 min
Apr 15, 1:07 AM CDTSpecial Marine WarningLIX98 min
Apr 15, 1:38 AM CDTSpecial Marine WarningLIX97 min
Apr 15, 2:01 AM CDTSpecial Weather StatementLIXSaint Helena44 min
Apr 15, 2:03 AM CDTSpecial Weather StatementLIXWashington57 min
Apr 15, 2:27 AM CDTSpecial Marine WarningLIX33 min
Apr 15, 3:23 AM CDTSpecial Marine WarningLIX22 min
Apr 15, 3:50 AM CDTSpecial Marine WarningLIX55 min
Apr 15, 4:06 AM CDTSmall Craft AdvisoryLIX12 hr
Apr 15, 4:46 AM CDTSpecial Marine WarningLIX44 min
Apr 15, 4:58 AM CDTSpecial Weather StatementLIXSaint Helena47 min
Apr 15, 5:03 AM CDTSpecial Weather StatementLIXPointe Coupee42 min
Apr 15, 5:59 AM CDTSpecial Weather StatementLIXAscension, Livingston, Saint James31 min
Apr 15, 6:11 AM CDTSpecial Weather StatementLIXWashington34 min
Apr 15, 6:16 AM CDTSpecial Marine WarningLIX59 min
Apr 15, 6:22 AM CDTSpecial Weather StatementLIXAssumption53 min
Apr 15, 6:28 AM CDTSevere Thunderstorm WarningLIXAscension, Saint Charles, Saint James, Saint John the Baptist18 min
Apr 15, 6:38 AM CDTRiver Flood WarningLIXWashington3 days
Apr 15, 7:01 AM CDTSpecial Weather StatementLIXOrleans, Saint Charles44 min
Apr 15, 7:10 AM CDTSpecial Marine WarningLIX65 min
Apr 15, 7:40 AM CDTSpecial Weather StatementLIXTerrebonne50 min
Apr 15, 7:45 AM CDTSpecial Weather StatementLIXOrleans30 min
Apr 15, 7:57 AM CDTSpecial Marine WarningLIX63 min
Apr 15, 8:01 AM CDTSpecial Marine WarningLIX29 min
Apr 15, 8:04 AM CDTSpecial Marine WarningLIX56 min
Apr 15, 8:16 AM CDTSpecial Weather StatementLIXJefferson, Plaquemines89 min
Apr 15, 8:40 AM CDTSpecial Marine WarningLIX95 min
Apr 15, 8:57 AM CDTSpecial Marine WarningLIX63 min
Apr 15, 9:58 AM CDTSpecial Marine WarningLIX92 min
Apr 15, 10:04 AM CDTRiver Flood WarningLIXAscension, Livingston21 days
Apr 15, 10:04 AM CDTRiver Flood WarningLIXAscension, Livingston5 days
Apr 15, 10:14 AM CDTRiver Flood WarningLIXTangipahoa27 hr
Apr 15, 11:15 AM CDTSpecial Weather StatementLIXLafourche60 min
Apr 15, 11:16 AM CDTRiver Flood WarningLIXTangipahoa21 hr
Apr 15, 11:21 AM CDTSpecial Marine WarningLIX54 min
Apr 15, 11:49 AM CDTSpecial Marine WarningLIX42 min
Apr 15, 12:39 PM CDTSpecial Marine WarningLIX66 min
Apr 15, 12:46 PM CDTSpecial Marine WarningLIX59 min
Apr 15, 1:38 PM CDTSpecial Marine WarningLIX67 min
Apr 15, 1:41 PM CDTSpecial Marine WarningLIX12 min
Apr 15, 2:40 PM CDTSpecial Marine WarningLIX45 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021Severe 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.