Alert archive / Mississippi / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 387, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Aug 16, 2020, 4:15 PM CDT for Attala County, Mississippi. It was in force for 45 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
- Aug 16, 2020, 4:15 PM CDT (21:15 UTC)
- Expired
- Aug 16, 2020, 5:00 PM CDT
- In force
- 45 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
County Attala County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 97 km from the middle of the area, began a volume at 21:18 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 nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 9.3 hours before the alert went out and 97 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
- 1044 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 1241 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 66 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 Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 16, 3:55 PM CDT, 20 minutes earlier.
Area forecast discussion, Aug 16, 3:55 PM CDT, 20 minutes before
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</html>Hazardous weather outlook, Aug 16, 10:22 AM CDT, 5 hours 53 minutes before
Hazardous Weather Outlook National Weather Service Jackson MS 1022 AM CDT Sun Aug 16 2020 ARZ074-LAZ007-008-015-016-023>026-MSZ053-054-059>062-171530- Ashley-Morehouse-West Carroll-Richland-Madison LA-Franklin LA- Catahoula-Tensas-Concordia-Claiborne-Copiah-Jefferson-Adams- Franklin MS-Lincoln- 1022 AM CDT Sun Aug 16 2020 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, central Mississippi, south central Mississippi, and southwest Mississippi. .DAY ONE...Today and Tonight DANGEROUS HEAT THREAT...Elevated TIMING...Today Today, dangerous heat likely with peak heat index values ranging from 105 to 110 degrees. Heat exhaustion will be likely with outdoor activity. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Monday through Saturday 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 Saturday. ARZ075-LAZ009-MSZ034-035-040-041-047-048-171530- Chicot-East Carroll-Washington-Humphreys-Issaquena-Sharkey-Warren- Hinds- 1022 AM CDT Sun Aug 16 2020 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, central Mississippi, northwest Mississippi, and west central Mississippi. .DAY ONE...Today and Tonight SEVERE THUNDERSTORMS THREAT...Marginal TIMING...Today through this evening DANGEROUS HEAT THREAT...Elevated TIMING...Today Today through this evening, isolated severe thunderstorms are possible. Some thunderstorms could produce damaging wind gusts and hail. (https://www.weather.gov/images/jan/graphicast/2.png) Today, dangerous heat likely with peak heat index values ranging from 105 to 110 degrees. Heat exhaustion will be likely with outdoor activity. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Monday through Saturday 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. MSZ018-019-025-036-042>046-049-050-171530- Bolivar-Sunflower-Leflore-Holmes-Yazoo-Madison MS-Leake-Neshoba- Kemper-Rankin-Scott- 1022 AM CDT Sun Aug 16 2020 This hazardous weather outlook is for portions of central Mississippi, east central Mississippi, north central Mississippi, and northwest Mississippi. .DAY ONE...Today and Tonight SEVERE THUNDERSTORMS THREAT...Marginal TIMING...Today through Tonight DANGEROUS HEAT THREAT...Limited TIMING...Today Today through tonight, isolated severe thunderstorms are possible. Some thunderstorms could produce damaging wind gusts and hail. (https://www.weather.gov/images/jan/graphicast/2.png) Today, caution is advised for possible dangerous heat as heat index values peak near 105 degrees. Heat exhaustion will be possible with outdoor activity. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Monday through Saturday 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. MSZ026>033-037>039-171530- Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha- Attala-Winston-Noxubee- 1022 AM CDT Sun Aug 16 2020 This hazardous weather outlook is for portions of central Mississippi, east central Mississippi, north central Mississippi, and northeast Mississippi. .DAY ONE...Today and Tonight SEVERE THUNDERSTORMS THREAT...Marginal TIMING...Today through Tonight Today through tonight, isolated severe thunderstorms are possible. Some thunderstorms could produce damaging wind gusts and hail. (https://www.weather.gov/images/jan/graphicast/2.png) .DAYS TWO THROUGH SEVEN...Monday through Saturday 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. MSZ051-052-055>057-063>065-072-073-171530- Newton-Lauderdale-Simpson-Smith-Jasper-Lawrence-Jefferson Davis- Covington-Marion-Lamar- 1022 AM CDT Sun Aug 16 2020 This hazardous weather outlook is for portions of central Mississippi, east central Mississippi, south central Mississippi, and southeast Mississippi. .DAY ONE...Today and Tonight DANGEROUS HEAT THREAT...Limited TIMING...Today Today, caution is advised for possible dangerous heat as heat index values peak near 105 degrees. Heat exhaustion will be possible with outdoor activity. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Monday through Saturday 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 Saturday. MSZ058-066-074-171530- Clarke-Jones-Forrest- 1022 AM CDT Sun Aug 16 2020 This hazardous weather outlook is for portions of east central Mississippi, and southeast Mississippi. .DAY ONE...Today and Tonight The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Monday through Saturday 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 Saturday. 3 && ...HAZARD LEGEND... *DANGEROUS HEAT* Extreme...Extreme heat is expected with peak heat index values in excess of 110 degrees for multiple days. Heat stroke continues to be a major concern. Significant...Dangerous heat expected with peak heat index values in excess of 110 degrees. Heat stroke will be a significant concern. Elevated...Dangerous heat likely with peak heat index values ranging from 106 to 110 degrees. Heat exhaustion will be likely. Limited...Caution is advised for possible dangerous heat as heat index values peak near 105 degrees. Heat exhaustion will be 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 Tropical page... https://www.weather.gov/srh/tropical?office=jan National Hurricane Center Home Page... https://www.nhc.noaa.gov/ 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 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/
In the hours before
Special weather statement, Aug 16, 3:00 PM CDT, 1 hour 15 minutes before
Special Weather Statement
National Weather Service Jackson MS
300 PM CDT Sun Aug 16 2020
MSZ043-048-162030-
Hinds MS-Madison MS-
300 PM CDT Sun Aug 16 2020
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN HINDS AND
SOUTHWESTERN MADISON COUNTIES UNTIL 330 PM CDT...
At 259 PM CDT, Meteorologists were tracking a strong thunderstorm
over Pocahontas, or 7 miles north of Clinton, moving south at 5 mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Jackson, Clinton, Ridgeland, Raymond and Pocahontas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
High winds can bring down trees and large limbs resulting in serious
injury or property damage. Exercise extreme caution when outdoors
during such strong winds...and be especially aware of older trees.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3249 9043 3254 9021 3238 9010 3237 9010
3236 9011 3234 9011 3232 9015 3230 9016
3229 9015 3229 9018 3226 9018 3225 9021
3223 9042
TIME...MOT...LOC 1959Z 343DEG 6KT 3244 9029
NFSpecial weather statement, Aug 16, 3:07 PM CDT, 1 hour 8 minutes before
Special Weather Statement National Weather Service Jackson MS 307 PM CDT Sun Aug 16 2020 MSZ027-028-162045- Carroll MS-Montgomery MS- 307 PM CDT Sun Aug 16 2020 ...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN CARROLL AND WESTERN MONTGOMERY COUNTIES UNTIL 345 PM CDT... At 307 PM CDT, Meteorologists were tracking a strong thunderstorm near Duck Hill, or near Winona, moving south at 15 mph. Dime size hail and wind gusts up to 50 mph will be possible with this storm. This strong thunderstorm will be near... Winona around 330 PM CDT. Kilmichael around 345 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... High winds can bring down trees and large limbs resulting in serious injury or property damage. Exercise extreme caution when outdoors during such strong winds...and be especially aware of older trees. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 3361 8985 3362 8962 3336 8951 3334 8984 TIME...MOT...LOC 2007Z 349DEG 14KT 3357 8973 NF
Local storm report, Aug 16, 3:10 PM CDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
310 PM CDT SUN AUG 16 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0152 PM TSTM WND DMG STURGIS 33.34N 89.05W
08/16/2020 OKTIBBEHA MS PUBLIC
SOCIAL MEDIA REPORT OF A TREE DOWN IN THE
STURGIS AREA.
&&
TWSpecial weather statement, Aug 16, 3:18 PM CDT, 57 minutes before
Special Weather Statement
National Weather Service Jackson MS
318 PM CDT Sun Aug 16 2020
MSZ028-032-037-162045-
Attala MS-Montgomery MS-Choctaw MS-
318 PM CDT Sun Aug 16 2020
...A STRONG THUNDERSTORM WILL AFFECT WESTERN CHOCTAW...NORTHEASTERN
ATTALA AND SOUTHEASTERN MONTGOMERY COUNTIES UNTIL 345 PM CDT...
At 318 PM CDT, Meteorologists were tracking a strong thunderstorm 9
miles east of Kilmichael, or 19 miles east of Winona, moving south at
15 mph.
Dime size hail and wind gusts up to 50 mph will be possible with this
storm.
Locations impacted include...
Weir, French Camp and Mccool.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
High winds can bring down trees and large limbs resulting in serious
injury or property damage. Exercise extreme caution when outdoors
during such strong winds...and be especially aware of older trees.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3316 8924 3318 8958 3348 8952 3348 8951
3346 8951 3346 8938 3347 8936 3347 8934
3349 8933 3349 8929
TIME...MOT...LOC 2018Z 358DEG 15KT 3342 8940
NFLocal storm report, Aug 16, 3:25 PM CDT, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
325 PM CDT SUN AUG 16 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0243 PM TSTM WND DMG MASHULAVILLE 33.09N 88.74W
08/16/2020 NOXUBEE MS LAW ENFORCEMENT
TREE DOWN ALONG HWY 14 NEAR MASHULAVILLE.
&&
TWSpecial weather statement, Aug 16, 3:45 PM CDT, 30 minutes before
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</html>The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 3:18 AM CDT | Heat Advisory | JAN | Adams, Claiborne, Copiah, Franklin, Hinds, Humphreys and 7 more | 15 hr |
| Aug 16, 12:30 PM CDT | Special Weather Statement | JAN | Webster | 45 min |
| Aug 16, 1:07 PM CDT | Special Weather Statement | JAN | Oktibbeha | 38 min |
| Aug 16, 1:18 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Clay, Oktibbeha, Webster | 57 min |
| Aug 16, 1:37 PM CDT | Special Weather Statement | JAN | Grenada | 38 min |
| Aug 16, 2:04 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Noxubee, Winston | 56 min |
| Aug 16, 2:41 PM CDT | Severe Thunderstorm Warning | JAN | Kemper, Neshoba, Noxubee, Winston | 64 min |
| Aug 16, 3:00 PM CDT | Special Weather Statement | JAN | Hinds | 30 min |
| Aug 16, 3:07 PM CDT | Special Weather Statement | JAN | Montgomery | 38 min |
| Aug 16, 3:18 PM CDT | Special Weather Statement | JAN | Choctaw | 27 min |
| Aug 16, 3:40 PM CDT | Severe Thunderstorm Warning | JAN | Kemper, Lauderdale, Neshoba, Newton | 36 min |
| Aug 16, 3:45 PM CDT | Special Weather Statement | JAN | Attala, Winston | 30 min |
| Aug 16, 4:08 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Leake | 52 min |
| Aug 16, 4:51 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Holmes, Leake, Madison | 39 min |
| Aug 16, 5:21 PM CDT | Severe Thunderstorm Warning | JAN | Leake, Madison, Rankin, Scott | 39 min |
| Aug 16, 5:29 PM CDT | Special Weather Statement | JAN | Clarke, Jasper | 31 min |
| Aug 16, 5:44 PM CDT | Severe Thunderstorm Warning | JAN | Rankin, Scott, Smith | 46 min |
| Aug 16, 6:06 PM CDT | Special Weather Statement | JAN | Madison | 24 min |
| Aug 16, 6:16 PM CDT | Severe Thunderstorm Warning | JAN | Jasper, Smith | 25 min |
| Aug 16, 6:34 PM CDT | Special Weather Statement | JAN | Rankin | 26 min |
| Aug 16, 6:43 PM CDT | Special Weather Statement | JAN | Jasper, Smith | 32 min |
| Aug 16, 6:52 PM CDT | Severe Thunderstorm Warning | JAN | Hinds | 38 min |
| Aug 16, 6:55 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Jefferson Davis, Simpson | 50 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 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.