Alert archive / Mississippi / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 346, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jul 2, 2020, 8:19 PM CDT for Bolivar County, Sunflower County, Mississippi. It was in force for 41 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
- Jul 2, 2020, 8:19 PM CDT (01:19 UTC)
- Expired
- Jul 2, 2020, 9:00 PM CDT
- In force
- 41 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Bolivar County, MS, Sunflower County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 173 km from the middle of the area, began a volume at 01:22 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
Shreveport, LA (KSHV), launched 00:00Z, 1.3 hours before the alert went out and 312 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
- 2066 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 1376 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 9 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 Jul 2, 6:51 PM CDT, 1 hour 28 minutes earlier.
Area forecast discussion, Jul 2, 6:51 PM CDT, 1 hour 28 minutes before
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</html>Hazardous weather outlook, Jul 2, 3:23 PM CDT, 4 hours 56 minutes before
Hazardous Weather Outlook National Weather Service Jackson MS 323 PM CDT Thu Jul 2 2020 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-034-035-040-041- 047-048-053-054-059>062-072-032030- Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland- Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Bolivar- Sunflower-Washington-Humphreys-Issaquena-Sharkey-Warren-Hinds- Claiborne-Copiah-Jefferson-Adams-Franklin MS-Lincoln-Marion- 323 PM CDT Thu Jul 2 2020 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, central Mississippi, northwest Mississippi, south central Mississippi, southwest Mississippi, and west central Mississippi. .DAY ONE...Tonight and Friday SEVERE THUNDERSTORMS THREAT...Marginal TIMING...Tonight EXCESSIVE HEAT THREAT...Limited TIMING...Friday There is a marginal risk today for isolated severe storms containing damaging wind gusts and hail, through early evening. In addition, heat stress may be a concern with heat indices approaching 105 on Friday. (https://www.weather.gov/images/jan/graphicast/1.png) (https://www.weather.gov/images/jan/graphicast/2.png) .DAYS TWO THROUGH SEVEN...Friday night 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 tonight. MSZ025>033-036>039-042>046-049>052-055>058-063>066-073-074-032030- Leflore-Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw- Oktibbeha-Holmes-Attala-Winston-Noxubee-Yazoo-Madison MS-Leake- Neshoba-Kemper-Rankin-Scott-Newton-Lauderdale-Simpson-Smith- Jasper-Clarke-Lawrence-Jefferson Davis-Covington-Jones-Lamar- Forrest- 323 PM CDT Thu Jul 2 2020 This hazardous weather outlook is for portions of central Mississippi, east central Mississippi, north central Mississippi, northeast Mississippi, south central Mississippi, and southeast Mississippi. .DAY ONE...Tonight and Friday EXCESSIVE HEAT THREAT...Limited TIMING...Friday Heat stress may be a concern with heat indices approaching 105 on Friday. (https://www.weather.gov/images/jan/graphicast/2.png) .DAYS TWO THROUGH SEVEN...Friday night 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. 28 && ...HAZARD LEGEND... *SEVERE THUNDERSTORMS* High...Significant severe thunderstorms are expected. Moderate...Severe storms expected with significant severe weather possible. Enhanced...Severe storms expected. Slight...Severe storms possible. Marginal...Isolated severe storms possible. *EXCESSIVE HEAT* Extreme...Maximum heat index greater than 110 degrees for 3 or more days in a row and/or air temperatures greater than 107 degrees. Significant...Maximum heat index greater than 110 degrees and/or air temperatures greater than 105 degrees. Elevated...Maximum heat index 105 to 110 degrees and/or air temperatures greater than 103 degrees. Limited...Maximum heat index near 105 degrees and/or air temperatures 100 to 103 degrees. ...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
Local storm report, Jul 2, 3:55 PM CDT, 4 hours 24 minutes before
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</html>Special weather statement, Jul 2, 4:11 PM CDT, 4 hours 8 minutes before
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</html>Special weather statement, Jul 2, 5:25 PM CDT, 2 hours 54 minutes before
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</html>Special weather statement, Jul 2, 6:34 PM CDT, 1 hour 45 minutes before
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</html>Special weather statement, Jul 2, 8:01 PM CDT, 18 minutes before
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</html>Local storm report, Jul 2, 8:04 PM CDT, 15 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 |
|---|---|---|---|---|
| Jul 2, 8:01 PM CDT | Special Weather Statement | JAN | Bolivar | 29 min |
| Jul 3, 7:43 AM CDT | Severe Thunderstorm Warning | JAN | Claiborne, Warren | 31 min |
| Jul 3, 8:31 AM CDT | River Flood Warning | JAN | Neshoba | 8 days |
| Jul 3, 9:59 AM CDT | Special Weather Statement | JAN | Franklin | 46 min |
| Jul 3, 3:40 PM CDT | Special Weather Statement | JAN | Smith | 35 min |
| Jul 3, 3:55 PM CDT | Special Weather Statement | JAN | Scott | 35 min |
| Jul 3, 4:10 PM CDT | Severe Thunderstorm Warning | JAN | Jasper, Smith | 50 min |
| Jul 3, 4:47 PM CDT | Special Weather Statement | JAN | Covington | 28 min |
| Jul 3, 7:22 AM CDT | Special Weather Statement | JAN | Madison | 38 min |
| Jul 3, 9:23 AM CDT | Special Weather Statement | JAN | Catahoula | 52 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.