Alert archive / Louisiana / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 202, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 11, 2023, 10:28 AM CDT for Catahoula Parish, Franklin Parish, Tensas Parish, Louisiana. It was in force for 77 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 11, 2023, 10:28 AM CDT (15:28 UTC)
- Expired
- May 11, 2023, 11:45 AM CDT
- In force
- 77 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Catahoula Parish, LA, Franklin Parish, LA, Tensas Parish, LA
The radar
The Ft Polk radar (KPOE), 155 km from the middle of the area, began a volume at 15:27 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 11, 9:24 AM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 3.5 hours before the alert went out and 151 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
- 522 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 724 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
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 Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at May 11, 6:15 AM CDT, 4 hours 13 minutes earlier.
Area forecast discussion, May 11, 6:15 AM CDT, 4 hours 13 minutes before
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</html>Hazardous weather outlook, May 11, 5:13 AM CDT, 5 hours 15 minutes before
Hazardous Weather Outlook National Weather Service Jackson MS 513 AM CDT Thu May 11 2023 ARZ074-075-MSZ034-035-121015- Ashley-Chicot-Washington-Humphreys- 513 AM CDT Thu May 11 2023 This hazardous weather outlook is for portions of southeast Arkansas, central Mississippi, and northwest Mississippi. .DAY ONE...Today and Tonight FLOODING THREAT...Limited TIMING...Today Heavy rainfall could lead localized flooding, especially from late this morning through the afternoon. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Friday through Wednesday The probability for widespread hazardous weather is low. .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations is not expected through next Wednesday. MSZ018-019-025>033-121015- Bolivar-Sunflower-Leflore-Grenada-Carroll-Montgomery-Webster-Clay- Lowndes-Choctaw-Oktibbeha- 513 AM CDT Thu May 11 2023 This hazardous weather outlook is for portions of central Mississippi, and north central Mississippi. .DAY ONE...Today and Tonight The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Friday through Wednesday The probability for widespread hazardous weather is low. .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations is not expected through next Wednesday. LAZ007-121015- Morehouse- 513 AM CDT Thu May 11 2023 This hazardous weather outlook is for portions of northeast Louisiana. .DAY ONE...Today and Tonight FLOODING THREAT...Elevated TIMING...Today Heavy rainfall could lead localized flooding, especially from late this morning through the afternoon. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Friday through Wednesday The probability for widespread hazardous weather is low. .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations is not expected through next Wednesday. LAZ008-009-015-016-023>026-MSZ047-053-059>061-121015- West Carroll-East Carroll-Richland-Madison LA-Franklin LA- Catahoula-Tensas-Concordia-Warren-Claiborne-Jefferson-Adams- Franklin MS- 513 AM CDT Thu May 11 2023 This hazardous weather outlook is for portions of northeast Louisiana, southwest Mississippi, and west central Mississippi. .DAY ONE...Today and Tonight SEVERE THUNDERSTORMS THREAT...Marginal TIMING...Today through Tonight FLOODING THREAT...Elevated TIMING...Today This afternoon, isolated severe thunderstorms are possible. Some thunderstorms could produce damaging wind gusts and hail. (https://www.weather.gov/images/jan/graphicast/2.png) Heavy rainfall could lead to flash flooding later this morning and afternoon. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Friday through Wednesday The probability for widespread hazardous weather is low. .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations may be needed for portions of the region today through tonight. MSZ036>039-044>046-050>052-056>058-064>066-072>074-121015- Holmes-Attala-Winston-Noxubee-Leake-Neshoba-Kemper-Scott-Newton- Lauderdale-Smith-Jasper-Clarke-Jefferson Davis-Covington-Jones- Marion-Lamar-Forrest- 513 AM CDT Thu May 11 2023 This hazardous weather outlook is for portions of central Mississippi, east central Mississippi, south central Mississippi, and southeast Mississippi. .DAY ONE...Today and Tonight SEVERE THUNDERSTORMS THREAT...Marginal TIMING...This afternoon Today through tonight, isolated severe thunderstorms are possible. Some thunderstorms could produce damaging wind gusts and hail. A tornado cannot be ruled out. (https://www.weather.gov/images/jan/graphicast/2.png) .DAYS TWO THROUGH SEVEN...Friday through Wednesday The probability for widespread hazardous weather is low. .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations may be needed for portions of the region today through tonight. MSZ040>043-048-049-054-055-062-063-121015- Issaquena-Sharkey-Yazoo-Madison MS-Hinds-Rankin-Copiah-Simpson- Lincoln-Lawrence- 513 AM CDT Thu May 11 2023 This hazardous weather outlook is for portions of central Mississippi, south central Mississippi, and west central Mississippi. .DAY ONE...Today and Tonight SEVERE THUNDERSTORMS THREAT...Marginal TIMING...This afternoon FLOODING THREAT...Limited TIMING...Today Isolated severe thunderstorms are possible mainly this afternoon. Some storms could produce damaging wind gusts and hail. (https://www.weather.gov/images/jan/graphicast/2.png) Today, localized flash flooding is possible, particularly in low lying and urban areas. Minor river flooding is also possible. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Friday through Wednesday The probability for widespread hazardous weather is low. .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations may be needed for portions of the region today through tonight. 0 && ...HAZARD LEGEND... *FLOODING* Extreme...Widespread and significant flooding is likely. Significant...Widespread flash flooding is likely and significant flooding is possible. Elevated...Areas of flash flooding likely. Limited...Localized flash flooding is possible. *SEVERE THUNDERSTORMS* High...Significant severe thunderstorms and tornadoes are likely with strong or violent tornadoes possible. Moderate...Significant severe thunderstorms and tornadoes are likely with strong tornadoes possible. Enhanced...Severe thunderstorms are likely and tornadoes are possible. Slight...Severe thunderstorms and tornadoes are possible. Marginal...Isolated severe thunderstorms are possible. ...USEFUL WEATHER WEB PAGES (URLS)... NWS JAN Home page... https://www.weather.gov/jan Stay Aware, Stay Safe NWS JAN Briefing Page... https://www.weather.gov/jan/safe Latest Weather Briefing... https://www.weather.gov/jan/weather_briefing Find NWS JAN on Facebook... https://www.facebook.com/NWSJacksonMS Follow NWS JAN on Twitter... @NWSJacksonMS Follow NWS JAN on Youtube... https://www.youtube.com/user/NWSJacksonMiss ...ADDITIONAL URLS FOR FLOODING ISSUES... Current Watches and Warnings... https://www.weather.gov/jan/safe_HeavyRain Observed Precipitation Images... https://www.weather.gov/jan/precipmaps River Forecast Center... https://www.weather.gov/lmrfc/ Significant River Flood Outlook... https://www.wpc.ncep.noaa.gov/nationalfloodoutlook/index.html Day 1 through 3 Excessive Rainfall... https://www.wpc.ncep.noaa.gov/qpf/excess_rain.shtml Excessive Rainfall Discussion... https://www.wpc.ncep.noaa.gov/discussions/qpferd.html Day 1 through 7 QPF... https://www.wpc.ncep.noaa.gov/qpf/qpf2.shtml QPF Discussion... https://www.wpc.ncep.noaa.gov/discussions/qpfpfd.html ...ADDITIONAL URLS FOR SEVERE WEATHER ISSUES... Storm Prediction Center (SPC)... https://www.spc.noaa.gov/ Meso Analysis... https://www.spc.noaa.gov/exper/mesoanalysis/ Day 1 through 3 Outlooks... https://www.spc.noaa.gov/products/outlook/ Storm Reports... https://www.spc.noaa.gov/climo/online/
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 12:17 PM CDT | Severe Thunderstorm Warning | JAN | Claiborne, Issaquena, Warren | 73 min |
| May 11, 12:23 PM CDT | Severe Thunderstorm Warning | JAN | Adams, Claiborne, Franklin, Jefferson | 97 min |
| May 11, 12:50 PM CDT | Severe Thunderstorm Warning | JAN | Issaquena, Sharkey, Warren | 70 min |
| May 11, 1:25 PM CDT | Severe Thunderstorm Warning | JAN | Claiborne, Copiah, Hinds, Issaquena, Madison, Rankin and 3 more | 95 min |
| May 11, 1:31 PM CDT | Severe Thunderstorm Warning | JAN | Humphreys, Issaquena, Madison, Sharkey, Washington, Yazoo | 74 min |
| May 11, 1:59 PM CDT | Special Weather Statement | JAN | Lincoln | 46 min |
| May 11, 2:02 PM CDT | Special Weather Statement | JAN | Jefferson | 28 min |
| May 11, 2:23 PM CDT | Special Weather Statement | JAN | Attala, Carroll, Holmes | 67 min |
| May 11, 2:36 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Carroll, Holmes, Leake, Leflore, Madison and 1 more | 54 min |
| May 11, 2:43 PM CDT | Severe Thunderstorm Warning | JAN | Leake, Rankin, Scott, Smith | 62 min |
| May 11, 2:58 PM CDT | Special Weather Statement | JAN | Jefferson | 32 min |
| May 11, 3:17 PM CDT | Special Weather Statement | JAN | Simpson | 28 min |
| May 11, 3:19 PM CDT | Severe Thunderstorm Warning | JAN | Lincoln | 17 min |
| May 11, 3:22 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Carroll, Choctaw, Grenada, Montgomery, Webster and 1 more | 68 min |
| May 11, 3:26 PM CDT | Severe Thunderstorm Warning | JAN | Jasper, Neshoba, Newton | 79 min |
| May 11, 3:28 PM CDT | Special Weather Statement | JAN | Lincoln | 32 min |
| May 11, 3:30 PM CDT | Special Weather Statement | JAN | Franklin | 30 min |
| May 11, 3:40 PM CDT | Special Weather Statement | JAN | Lincoln | 35 min |
| May 11, 3:46 PM CDT | Special Weather Statement | JAN | Simpson | 44 min |
| May 11, 3:51 PM CDT | Special Weather Statement | JAN | Smith | 39 min |
| May 11, 3:52 PM CDT | Severe Thunderstorm Warning | JAN | Clay, Lowndes, Noxubee, Oktibbeha, Winston | 83 min |
| May 11, 3:56 PM CDT | Severe Thunderstorm Warning | JAN | Kemper, Lauderdale | 63 min |
| May 11, 4:05 PM CDT | Special Weather Statement | JAN | Lincoln | 25 min |
| May 11, 4:12 PM CDT | Special Weather Statement | JAN | Lincoln | 48 min |
| May 11, 4:16 PM CDT | Special Weather Statement | JAN | Jefferson Davis | 29 min |
| May 11, 4:24 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Jefferson Davis | 22 min |
| May 11, 4:25 PM CDT | Special Weather Statement | JAN | Covington | 35 min |
| May 11, 4:31 PM CDT | Special Weather Statement | JAN | Lawrence | 29 min |
| May 11, 4:36 PM CDT | Special Weather Statement | JAN | Lincoln | 24 min |
| May 11, 4:54 PM CDT | Severe Thunderstorm Warning | JAN | Jefferson Davis, Lawrence, Marion | 51 min |
| May 11, 4:57 PM CDT | Special Weather Statement | JAN | Jasper | 33 min |
| May 11, 5:05 PM CDT | Special Weather Statement | JAN | Covington, Jones | 55 min |
| May 11, 5:10 PM CDT | Special Weather Statement | JAN | Warren | 50 min |
| May 11, 5:14 PM CDT | Severe Thunderstorm Warning | JAN | Clarke, Jasper, Jones | 61 min |
| May 11, 5:20 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Jefferson Davis, Lamar, Marion | 55 min |
| May 11, 5:21 PM CDT | Special Weather Statement | JAN | Jefferson | 39 min |
| May 11, 5:41 PM CDT | Severe Thunderstorm Warning | JAN | Claiborne, Jefferson | 49 min |
| May 11, 5:55 PM CDT | Special Weather Statement | JAN | Issaquena | 35 min |
| May 11, 6:09 PM CDT | Severe Thunderstorm Warning | JAN | Forrest, Lamar | 48 min |
| May 11, 10:40 AM CDT | Tornado Warning | JAN | Catahoula, Franklin | 65 min |
| May 11, 10:54 AM CDT | Special Weather Statement | JAN | Morehouse | 36 min |
| May 11, 11:34 AM CDT | Severe Thunderstorm Warning | JAN | Franklin, Richland | 71 min |
| May 11, 11:38 AM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Franklin | 82 min |
| May 11, 11:47 AM CDT | Tornado Warning | JAN | Franklin, Madison, Tensas | 41 min |
| May 11, 11:56 AM CDT | Severe Thunderstorm Warning | JAN | Morehouse, Richland, West Carroll | 64 min |
| May 11, 12:07 PM CDT | Tornado Warning | JAN | East Carroll, Franklin, Madison, Richland, West Carroll | 53 min |
| May 11, 2:32 PM CDT | Special Weather Statement | JAN | Tensas | 28 min |
| May 11, 4:28 PM CDT | Special Weather Statement | JAN | Madison | 47 min |
| May 11, 12:59 PM CDT | Special Weather Statement | JAN | Ashley | 61 min |
| May 11, 1:20 PM CDT | Severe Thunderstorm Warning | JAN | Ashley, Chicot | 55 min |
| May 11, 1:51 PM CDT | Tornado Warning | JAN | Ashley, Chicot | 19 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2023Every severe thunderstorm warning in 2023
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.