Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 68, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Apr 15, 2021, 2:38 AM CDT for Pike County, Mississippi; Saint Helena Parish, Tangipahoa Parish, Washington Parish, Louisiana. It was in force for 27 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 15, 2021, 2:38 AM CDT (07:38 UTC)
- Expired
- Apr 15, 2021, 3:05 AM CDT
- In force
- 27 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Saint Helena Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA, Pike County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 15, 2:40 AM CDT | HAIL 1 | Kentwood, LA | REPORT RELAYED VIA BROADCAST MEDIA OF A PICTURE OF HAIL ESTIMATED TO 1 INCH IN DIAMETER IN THE KENTWOOD AREA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 7.6 hours before the alert went out and 102 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.
- 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
The text
As transmitted.
330 WUUS54 KLIX 150738 SVRLIX LAC091-105-117-MSC113-150830- /O.NEW.KLIX.SV.W.0068.210415T0738Z-210415T0830Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service New Orleans LA 238 AM CDT Thu Apr 15 2021 The National Weather Service in New Orleans has issued a * Severe Thunderstorm Warning for... East central St. Helena Parish in southeastern Louisiana... Northern Tangipahoa Parish in southeastern Louisiana... Northwestern Washington Parish in southeastern Louisiana... Southeastern Pike County in southern Mississippi... * Until 330 AM CDT. * At 237 AM CDT, a severe thunderstorm was located near Kentwood, or 9 miles east of Greensburg, moving northeast at 40 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Kentwood, Osyka, Mount Herman, Wilmer and Tangipahoa. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3079 9060 3090 9064 3112 9026 3081 9027 TIME...MOT...LOC 0737Z 242DEG 34KT 3088 9052 HAIL...1.00IN WIND...<50MPH $$ CAB
4 follow-up statements
646
WWUS54 KLIX 150739
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
239 AM CDT Thu Apr 15 2021
LAC091-150749-
/O.CAN.KLIX.SV.W.0068.000000T0000Z-210415T0830Z/
St. Helena LA-
239 AM CDT Thu Apr 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL ST. HELENA PARISH
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3112 9026 3081 9027 3079 9057 3094 9057
TIME...MOT...LOC 0739Z 242DEG 34KT 3089 9050
$$
LAC105-117-MSC113-150830-
/O.CON.KLIX.SV.W.0068.000000T0000Z-210415T0830Z/
Tangipahoa LA-Washington LA-Pike MS-
239 AM CDT Thu Apr 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT
FOR NORTHERN TANGIPAHOA...NORTHWESTERN WASHINGTON PARISHES IN
SOUTHEASTERN LOUISIANA AND SOUTHEASTERN PIKE COUNTIES...
At 239 AM CDT, a severe thunderstorm was located near Kentwood, or 10
miles north of Amite, moving northeast at 40 mph.
HAZARD...Half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Kentwood, Osyka, Mount Herman, Wilmer and Tangipahoa.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3112 9026 3081 9027 3079 9057 3094 9057
TIME...MOT...LOC 0739Z 242DEG 34KT 3089 9050
HAIL...1.25IN
WIND...<50MPH
$$
CAB519
WWUS54 KLIX 150746
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
246 AM CDT Thu Apr 15 2021
LAC105-117-MSC113-150830-
/O.CON.KLIX.SV.W.0068.000000T0000Z-210415T0830Z/
Tangipahoa LA-Washington LA-Pike MS-
246 AM CDT Thu Apr 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT
FOR NORTHERN TANGIPAHOA...NORTHWESTERN WASHINGTON PARISHES IN
SOUTHEASTERN LOUISIANA AND SOUTHEASTERN PIKE COUNTIES...
At 246 AM CDT, a severe thunderstorm was located near Kentwood, or 14
miles north of Amite, moving northeast at 40 mph.
HAZARD...Two inch hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect damage
to roofs, siding, windows, and vehicles.
Locations impacted include...
Kentwood, Osyka, Mount Herman and Tangipahoa.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3112 9026 3083 9028 3082 9056 3094 9057
TIME...MOT...LOC 0746Z 239DEG 33KT 3093 9044
HAIL...2.00IN
WIND...<50MPH
$$
CAB761 WWUS54 KLIX 150755 SVSLIX Severe Weather Statement National Weather Service New Orleans LA 255 AM CDT Thu Apr 15 2021 LAC105-117-MSC113-150830- /O.CON.KLIX.SV.W.0068.000000T0000Z-210415T0830Z/ Tangipahoa LA-Washington LA-Pike MS- 255 AM CDT Thu Apr 15 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT FOR NORTH CENTRAL TANGIPAHOA...NORTHWESTERN WASHINGTON PARISHES IN SOUTHEASTERN LOUISIANA AND SOUTHEASTERN PIKE COUNTIES... At 255 AM CDT, a severe thunderstorm was located over Mount Herman, or 13 miles northwest of Franklinton, moving northeast at 40 mph. HAZARD...Quarter size hail. SOURCE...Public. IMPACT...Damage to vehicles is expected. Locations impacted include... Mount Herman. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3086 9028 3087 9045 3099 9043 3112 9026 TIME...MOT...LOC 0755Z 243DEG 34KT 3095 9033 HAIL...1.00IN WIND...<50MPH $$ CAB
930
WWUS54 KLIX 150805
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
305 AM CDT Thu Apr 15 2021
LAC105-117-MSC113-150815-
/O.CAN.KLIX.SV.W.0068.000000T0000Z-210415T0830Z/
Tangipahoa LA-Washington LA-Pike MS-
305 AM CDT Thu Apr 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL TANGIPAHOA...
NORTHWESTERN WASHINGTON PARISHES IN SOUTHEASTERN LOUISIANA AND
SOUTHEASTERN PIKE COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
LAT...LON 3086 9028 3087 9045 3099 9043 3112 9026
TIME...MOT...LOC 0804Z 242DEG 34KT 3099 9023
$$
CABThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 9:04 PM CDT | River Flood Warning | LIX | Pearl River | 4 days |
| Apr 14, 9:34 PM CDT | Special Weather Statement | LIX | Hancock | 71 min |
| Apr 15, 2:44 AM CDT | Special Weather Statement | LIX | Pearl River | 61 min |
| Apr 15, 3:04 AM CDT | Severe Thunderstorm Warning | LIX | Jackson | 41 min |
| Apr 15, 3:10 AM CDT | Special Weather Statement | LIX | Walthall | 65 min |
| Apr 15, 3:16 AM CDT | Flash Flood Warning | LIX | Hancock, Harrison | 3 hr |
| Apr 15, 3:26 AM CDT | Special Weather Statement | LIX | George | 34 min |
| Apr 15, 3:35 AM CDT | Flash Flood Warning | LIX | Harrison, Jackson | 3 hr |
| Apr 15, 3:40 AM CDT | Special Weather Statement | LIX | Wilkinson | 95 min |
| Apr 15, 3:49 AM CDT | Severe Thunderstorm Warning | LIX | Jackson | 41 min |
| Apr 15, 3:59 AM CDT | Special Weather Statement | LIX | Wilkinson | 76 min |
| Apr 15, 4:34 AM CDT | Special Weather Statement | LIX | Jackson | 56 min |
| Apr 15, 4:36 AM CDT | Severe Thunderstorm Warning | LIX | Amite, Wilkinson | 24 min |
| Apr 15, 4:44 AM CDT | Severe Thunderstorm Warning | LIX | Jackson | 31 min |
| Apr 15, 6:40 AM CDT | River Flood Warning | LIX | Pearl River | 4 days |
| Apr 15, 6:44 AM CDT | River Flood Warning | LIX | Pike | 33 hr |
| Apr 15, 7:43 AM CDT | River Flood Warning | LIX | Harrison | 51 hr |
| Apr 14, 7:57 PM CDT | Special Weather Statement | LIX | Plaquemines | 63 min |
| Apr 14, 8:00 PM CDT | Special Marine Warning | LIX | 2 hr | |
| Apr 14, 8:22 PM CDT | Special Marine Warning | LIX | 113 min | |
| Apr 14, 9:12 PM CDT | River Flood Warning | LIX | East Baton Rouge | 72 hr |
| Apr 14, 9:18 PM CDT | River Flood Warning | LIX | Saint Helena | 62 hr |
| Apr 14, 9:18 PM CDT | River Flood Warning | LIX | Saint Helena | 70 hr |
| Apr 14, 9:18 PM CDT | River Flood Warning | LIX | Livingston | 4 days |
| Apr 14, 9:36 PM CDT | Special Marine Warning | LIX | 84 min | |
| Apr 14, 11:04 PM CDT | Areal Flood Advisory | LIX | Orleans, Saint Tammany | 3 hr |
| Apr 14, 11:06 PM CDT | Special Marine Warning | LIX | 84 min | |
| Apr 14, 11:22 PM CDT | Special Weather Statement | LIX | Tangipahoa | 53 min |
| Apr 14, 11:36 PM CDT | Areal Flood Advisory | LIX | Saint Tammany, Tangipahoa | 3 hr |
| Apr 15, 12:10 AM CDT | Flash Flood Warning | LIX | Saint Tammany | 2 hr |
| Apr 15, 12:15 AM CDT | Special Marine Warning | LIX | 60 min | |
| Apr 15, 12:24 AM CDT | Special Weather Statement | LIX | Saint Tammany | 81 min |
| Apr 15, 12:33 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany | 57 min |
| Apr 15, 12:49 AM CDT | Flash Flood Warning | LIX | Saint Tammany | 106 min |
| Apr 15, 1:03 AM CDT | Special Marine Warning | LIX | 87 min | |
| Apr 15, 1:07 AM CDT | Special Marine Warning | LIX | 98 min | |
| Apr 15, 1:38 AM CDT | Special Marine Warning | LIX | 97 min | |
| Apr 15, 2:01 AM CDT | Special Weather Statement | LIX | Saint Helena | 44 min |
| Apr 15, 2:03 AM CDT | Special Weather Statement | LIX | Washington | 57 min |
| Apr 15, 2:27 AM CDT | Special Marine Warning | LIX | 33 min | |
| Apr 15, 3:23 AM CDT | Special Marine Warning | LIX | 22 min | |
| Apr 15, 3:50 AM CDT | Special Marine Warning | LIX | 55 min | |
| Apr 15, 4:06 AM CDT | Small Craft Advisory | LIX | 12 hr | |
| Apr 15, 4:46 AM CDT | Special Marine Warning | LIX | 44 min | |
| Apr 15, 4:58 AM CDT | Special Weather Statement | LIX | Saint Helena | 47 min |
| Apr 15, 5:03 AM CDT | Special Weather Statement | LIX | Pointe Coupee | 42 min |
| Apr 15, 5:59 AM CDT | Special Weather Statement | LIX | Ascension, Livingston, Saint James | 31 min |
| Apr 15, 6:11 AM CDT | Special Weather Statement | LIX | Washington | 34 min |
| Apr 15, 6:16 AM CDT | Special Marine Warning | LIX | 59 min | |
| Apr 15, 6:22 AM CDT | Special Weather Statement | LIX | Assumption | 53 min |
| Apr 15, 6:28 AM CDT | Severe Thunderstorm Warning | LIX | Ascension, Saint Charles, Saint James, Saint John the Baptist | 18 min |
| Apr 15, 6:38 AM CDT | River Flood Warning | LIX | Washington | 3 days |
| Apr 15, 7:01 AM CDT | Special Weather Statement | LIX | Orleans, Saint Charles | 44 min |
| Apr 15, 7:10 AM CDT | Special Marine Warning | LIX | 65 min | |
| Apr 15, 7:40 AM CDT | Special Weather Statement | LIX | Terrebonne | 50 min |
| Apr 15, 7:45 AM CDT | Special Weather Statement | LIX | Orleans | 30 min |
| Apr 15, 7:57 AM CDT | Special Marine Warning | LIX | 63 min | |
| Apr 15, 8:01 AM CDT | Special Marine Warning | LIX | 29 min | |
| Apr 15, 8:04 AM CDT | Special Marine Warning | LIX | 56 min | |
| Apr 15, 8:16 AM CDT | Special Weather Statement | LIX | Jefferson, Plaquemines | 89 min |
| Apr 15, 8:40 AM CDT | Special Marine Warning | LIX | 95 min | |
| Apr 15, 8:57 AM CDT | Special Marine Warning | LIX | 63 min | |
| Apr 15, 9:58 AM CDT | Special Marine Warning | LIX | 92 min | |
| Apr 15, 10:04 AM CDT | River Flood Warning | LIX | Ascension, Livingston | 21 days |
| Apr 15, 10:04 AM CDT | River Flood Warning | LIX | Ascension, Livingston | 5 days |
| Apr 15, 10:14 AM CDT | River Flood Warning | LIX | Tangipahoa | 27 hr |
| Apr 15, 11:15 AM CDT | Special Weather Statement | LIX | Lafourche | 60 min |
| Apr 15, 11:16 AM CDT | River Flood Warning | LIX | Tangipahoa | 21 hr |
| Apr 15, 11:21 AM CDT | Special Marine Warning | LIX | 54 min | |
| Apr 15, 11:49 AM CDT | Special Marine Warning | LIX | 42 min | |
| Apr 15, 12:39 PM CDT | Special Marine Warning | LIX | 66 min | |
| Apr 15, 12:46 PM CDT | Special Marine Warning | LIX | 59 min | |
| Apr 15, 1:38 PM CDT | Special Marine Warning | LIX | 67 min | |
| Apr 15, 1:41 PM CDT | Special Marine Warning | LIX | 12 min | |
| Apr 15, 2:40 PM CDT | Special Marine Warning | LIX | 45 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2021Severe Thunderstorm Warnings in Mississippi, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.