Alert archive / Louisiana / Special Weather Statements in 2021
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Sep 1, 2021, 10:35 PM CDT for Tensas Parish, Louisiana. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 1, 2021, 10:35 PM CDT (03:35 UTC)
- Expired
- Sep 1, 2021, 11:30 PM CDT
- In force
- 55 min
- Issued by
- NWS Jackson, MS
- Hail
- 0.00 in
- Wind
- 40
County Tensas Parish, LA
The radar
The Jackson/Brandon,MS radar (KDGX), 132 km from the middle of the area, began a volume at 03:38 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 00:00Z, 3.6 hours before the alert went out and 125 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
- 1607 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1520 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Sep 1, 10:17 PM CDT, 18 minutes earlier.
Area forecast discussion, Sep 1, 10:17 PM CDT, 18 minutes before
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</html>Hazardous weather outlook, Sep 1, 4:43 PM CDT, 5 hours 52 minutes before
Hazardous Weather Outlook National Weather Service Jackson MS 443 PM CDT Wed Sep 1 2021 ARZ074-075-LAZ007>009-015-016-025-MSZ034>058-064>066-022145- Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland- Madison LA-Tensas-Washington-Humphreys-Holmes-Attala-Winston- Noxubee-Issaquena-Sharkey-Yazoo-Madison MS-Leake-Neshoba-Kemper- Warren-Hinds-Rankin-Scott-Newton-Lauderdale-Claiborne-Copiah- Simpson-Smith-Jasper-Clarke-Jefferson Davis-Covington-Jones- 443 PM CDT Wed Sep 1 2021 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, central Mississippi, northwest Mississippi, and south central Mississippi. .DAY ONE...Tonight and Thursday SEVERE THUNDERSTORMS THREAT...Marginal TIMING...Tonight A few severe storms will move southward across the outlook area for the remainder of the afternoon into the early evening. Damaging wind gusts and hail to the size of quarters will be possible. (https://www.weather.gov/images/jan/graphicast/2.png) .DAYS TWO THROUGH SEVEN...Thursday night through Tuesday 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. LAZ023-024-026-MSZ018-019-025>033-059>063-072>074-022145- Franklin LA-Catahoula-Concordia-Bolivar-Sunflower-Leflore-Grenada- Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha- Jefferson-Adams-Franklin MS-Lincoln-Lawrence-Marion-Lamar-Forrest- 443 PM CDT Wed Sep 1 2021 This hazardous weather outlook is for portions of northeast Louisiana, central Mississippi, north central Mississippi, and south central Mississippi. .DAY ONE...Tonight and Thursday The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Thursday night through Tuesday 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 Tuesday. 20 && ...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. ...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, Sep 1, 9:52 PM CDT, 43 minutes before
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</html>Local storm report, Sep 1, 9:55 PM CDT, 40 minutes before
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</html>Special weather statement, Sep 1, 9:58 PM CDT, 37 minutes before
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</html>Special weather statement, Sep 1, 10:26 PM CDT, 9 minutes before
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</html>Special weather statement, Sep 1, 10:35 PM CDT, 0 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 |
|---|---|---|---|---|
| Sep 1, 7:08 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Jefferson Davis, Jones | 67 min |
| Sep 1, 7:18 PM CDT | Special Weather Statement | JAN | Simpson | 27 min |
| Sep 1, 7:29 PM CDT | Special Weather Statement | JAN | Yazoo | 46 min |
| Sep 1, 8:00 PM CDT | Severe Thunderstorm Warning | JAN | Hinds, Madison, Rankin, Warren, Yazoo | 60 min |
| Sep 1, 8:12 PM CDT | Special Weather Statement | JAN | Forrest, Lamar, Marion | 33 min |
| Sep 1, 8:48 PM CDT | Severe Thunderstorm Warning | JAN | Claiborne, Copiah, Hinds, Warren | 57 min |
| Sep 1, 9:22 PM CDT | Special Weather Statement | JAN | Warren | 38 min |
| Sep 1, 9:38 PM CDT | Special Weather Statement | JAN | Adams, Franklin, Jefferson | 37 min |
| Sep 1, 10:26 PM CDT | Special Weather Statement | JAN | Adams, Franklin, Jefferson, Lincoln | 34 min |
| Sep 1, 9:58 PM CDT | Special Weather Statement | JAN | Madison, Tensas | 32 min |
| Sep 1, 7:27 PM CDT | Special Weather Statement | JAN | Chicot | 48 min |
Nearby
Special Weather Statements in Louisiana, 2021Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.