Alert archive / Louisiana / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 184, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at May 8, 2020, 7:05 AM CDT for 4 parishes in Louisiana. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 8, 2020, 7:05 AM CDT (12:05 UTC)
- Expired
- May 8, 2020, 7:45 AM CDT
- In force
- 40 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Caldwell Parish, LA, Jackson Parish, LA, Ouachita Parish, LA, Winn Parish, LA
The radar
The Ft Polk radar (KPOE), 130 km from the middle of the area, began a volume at 12:06 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 8, 3:06 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 0.1 hours before the alert went out and 245 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
- 590 J/kg
- Mixed-layer CIN
- -306 J/kg
- Mixed-layer LCL
- 754 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 410 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at May 8, 6:26 AM CDT, 39 minutes earlier.
Area forecast discussion, May 8, 6:26 AM CDT, 39 minutes before
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</html>Hazardous weather outlook, May 8, 3:53 AM CDT, 3 hours 12 minutes before
Hazardous Weather Outlook National Weather Service Shreveport LA 353 AM CDT Fri May 8 2020 ARZ050-051-059>061-070>073-LAZ001>006-010>012-OKZ077-TXZ096-097- 108>112-124>126-137-138-151-091100- Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette- Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto- Red River-Bienville-McCurtain-Bowie-Franklin-Titus-Camp-Morris- Cass-Wood-Upshur-Marion-Gregg-Harrison-Panola- 353 AM CDT Fri May 8 2020 This Hazardous Weather Outlook is for portions of south central Arkansas, southwest Arkansas, north central Louisiana, northwest Louisiana, southeast Oklahoma and northeast Texas. .DAY ONE...Today and Tonight... A Severe Thunderstorm Watch is in effect for Southeast Oklahoma, Southwest Arkansas, and portions of Northeast Texas and Northwest and North Central Louisiana until 10 AM CDT this morning. A line of strong to severe thunderstorms will move southeast across the area today. Damaging winds and large hail will be the primary threats, but an isolated tornado cannot be completely ruled out, especially across Louisiana. The severe weather threat should end by late this afternoon as the storms exit the area to the southeast. .DAYS TWO THROUGH SEVEN...Saturday through Thursday... Scattered thunderstorms will be possible on Tuesday mainly west of a line from Lufkin TX to Prescott AR. Rain chances will diminish Tuesday night, but will remain in the forecast for Southeast Oklahoma and adjacent portions of Southwest Arkansas through Thursday. .SPOTTER INFORMATION STATEMENT... Activation of emergency management personnel...amateur radio operators...and storm spotters will be needed this morning through this afternoon. Please relay any information about observed severe weather to the NWS while following all local, state, and CDC guidelines. LAZ013-014-017>022-TXZ136-149-150-152-153-165>167-091100- Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-Caldwell-La Salle- Smith-Cherokee-Rusk-Nacogdoches-Shelby-Angelina-San Augustine- 353 AM CDT Fri May 8 2020 This Hazardous Weather Outlook is for portions of north central Louisiana, northwest Louisiana, east Texas and northeast Texas. .DAY ONE...Today and Tonight... A line of strong to severe thunderstorms will move southeast across the area today. Damaging winds and large hail will be the primary threats, but an isolated tornado cannot be completely ruled out, especially across Louisiana. The severe weather threat should end by late this afternoon as the storms exit the area to the southeast. .DAYS TWO THROUGH SEVEN...Saturday through Thursday... Scattered thunderstorms will be possible on Tuesday mainly west of a line from Lufkin TX to Prescott AR. Rain chances will diminish Tuesday night, but will remain in the forecast for Southeast Oklahoma and adjacent portions of Southwest Arkansas through Thursday. .SPOTTER INFORMATION STATEMENT... Activation of emergency management personnel...amateur radio operators...and storm spotters will be needed this morning through this afternoon. Please relay any information about observed severe weather to the NWS while following all local, state, and CDC guidelines. 09
In the hours before
Local storm report, May 8, 6:16 AM CDT, 49 minutes before
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</html>Local storm report, May 8, 6:18 AM CDT, 47 minutes before
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</html>Local storm report, May 8, 6:28 AM CDT, 37 minutes before
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</html>Local storm report, May 8, 6:34 AM CDT, 31 minutes before
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</html>Special weather statement, May 8, 6:41 AM CDT, 24 minutes before
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</html>Local storm report, May 8, 6:42 AM CDT, 23 minutes before
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</html>The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 1:12 AM CDT | Lake Wind Advisory | SHV | Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more | 18 hr |
| May 8, 3:24 AM CDT | Severe Thunderstorm Warning | SHV | Bowie, Red River | 66 min |
| May 8, 3:58 AM CDT | Severe Thunderstorm Warning | SHV | Bowie, Camp, Cass, Franklin, Morris, Red River and 2 more | 47 min |
| May 8, 4:05 AM CDT | Severe Thunderstorm Warning | SHV | Bowie, Cass, Red River | 40 min |
| May 8, 4:37 AM CDT | Severe Thunderstorm Warning | SHV | Bowie | 38 min |
| May 8, 4:46 AM CDT | Severe Thunderstorm Warning | SHV | Bowie, Cass, Morris | 28 min |
| May 8, 4:51 AM CDT | Severe Thunderstorm Warning | SHV | Camp, Cass, Franklin, Harrison, Marion, Morris and 3 more | 39 min |
| May 8, 5:11 AM CDT | Severe Thunderstorm Warning | SHV | Cass, Harrison, Marion | 49 min |
| May 8, 5:28 AM CDT | Special Weather Statement | SHV | Gregg, Smith, Upshur | 47 min |
| May 8, 7:26 AM CDT | Special Weather Statement | SHV | Gregg, Smith, Upshur, Wood | 49 min |
| May 8, 9:17 AM CDT | Special Weather Statement | SHV | Panola, Shelby | 43 min |
| May 8, 10:09 AM CDT | Special Weather Statement | SHV | Nacogdoches, San Augustine, Shelby | 66 min |
| May 8, 11:07 AM CDT | Special Weather Statement | SHV | Angelina, Sabine, San Augustine | 53 min |
| May 8, 11:59 AM CDT | Special Weather Statement | SHV | Angelina, Sabine | 46 min |
| May 8, 5:14 AM CDT | Severe Thunderstorm Warning | SHV | Webster | 46 min |
| May 8, 5:46 AM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, Caddo, Claiborne, De Soto, Lincoln and 3 more | 44 min |
| May 8, 6:24 AM CDT | Severe Thunderstorm Warning | SHV | Bienville, Claiborne, Jackson, Lincoln, Ouachita, Union | 51 min |
| May 8, 6:41 AM CDT | Special Weather Statement | SHV | Bienville, Red River, Winn | 49 min |
| May 8, 7:28 AM CDT | Special Weather Statement | SHV | LaSalle, Winn | 47 min |
| May 8, 9:01 AM CDT | Special Weather Statement | SHV | Grant, LaSalle, Natchitoches, Sabine, Winn | 44 min |
| May 8, 9:45 AM CDT | Special Weather Statement | SHV | Caldwell, Grant, LaSalle | 45 min |
| May 8, 11:50 AM CDT | Special Weather Statement | SHV | Grant | 25 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2020Every severe thunderstorm warning in 2020
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; radar from the NEXRAD Level II archive.