Alert archive / Mississippi / Special Weather Statements in 2021
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Dec 6, 2021, 4:51 AM CST for Issaquena County, Mississippi. It was in force for 24 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
- Dec 6, 2021, 4:51 AM CST (10:51 UTC)
- Expired
- Dec 6, 2021, 5:15 AM CST
- In force
- 24 min
- Issued by
- NWS Jackson, MS
- Hail
- 0.75 in
- Wind
- 40
County Issaquena County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 95 km from the middle of the area, began a volume at 10:51 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
Little Rock, AR (KLZK), launched 00:00Z, 10.9 hours before the alert went out and 239 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
- 1313 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 326 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 19.4
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 Dec 6, 4:41 AM CST, 10 minutes earlier.
Area forecast discussion, Dec 6, 4:41 AM CST, 10 minutes before
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Hazardous Weather Outlook National Weather Service Jackson MS 319 AM CST Mon Dec 6 2021 ARZ074-075-LAZ007>009-015-016-023>026-MSZ034>037-040>044-047>050- 053>055-059>061-070930- Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland- Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Washington- Humphreys-Holmes-Attala-Issaquena-Sharkey-Yazoo-Madison MS-Leake- Warren-Hinds-Rankin-Scott-Claiborne-Copiah-Simpson-Jefferson- Adams-Franklin MS- 319 AM CST Mon Dec 6 2021 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, central Mississippi, northwest Mississippi, southwest Mississippi, and west central Mississippi. .DAY ONE...Today and Tonight SEVERE THUNDERSTORMS THREAT...Slight TIMING...Today A squall line moving across the area this morning into the early afternoon will bring a slight risk for damaging wind gusts. A tornado cannot be ruled out. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Tuesday through Sunday 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. MSZ018-019-025>033-038-039-045-046-051-052-056>058-062>066- 072>074-070930- Bolivar-Sunflower-Leflore-Grenada-Carroll-Montgomery-Webster-Clay- Lowndes-Choctaw-Oktibbeha-Winston-Noxubee-Neshoba-Kemper-Newton- Lauderdale-Smith-Jasper-Clarke-Lincoln-Lawrence-Jefferson Davis- Covington-Jones-Marion-Lamar-Forrest- 319 AM CST Mon Dec 6 2021 This hazardous weather outlook is for portions of central Mississippi, east central Mississippi, north central Mississippi, south central Mississippi, and southeast Mississippi. .DAY ONE...Today and Tonight SEVERE THUNDERSTORMS THREAT...Marginal TIMING...Today A squall line moving across the area today will bring a marginal risk for isolated damaging wind gusts. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Tuesday through Sunday 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. 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 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, Dec 6, 4:51 AM CST, 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 |
|---|---|---|---|---|
| Dec 6, 5:16 AM CST | Special Weather Statement | JAN | Yazoo | 29 min |
| Dec 6, 5:50 AM CST | Special Weather Statement | JAN | Grenada, Leflore | 25 min |
| Dec 6, 6:19 AM CST | Special Weather Statement | JAN | Grenada, Webster | 41 min |
| Dec 6, 6:50 AM CST | Special Weather Statement | JAN | Clay, Webster | 40 min |
| Dec 6, 6:59 AM CST | Special Weather Statement | JAN | Bolivar | 31 min |
| Dec 6, 7:34 AM CST | Special Weather Statement | JAN | Clay, Lowndes, Oktibbeha | 41 min |
| Dec 6, 7:43 AM CST | Severe Thunderstorm Warning | JAN | Clay, Lowndes, Oktibbeha | 47 min |
| Dec 6, 8:08 AM CST | Special Weather Statement | JAN | Noxubee | 37 min |
| Dec 6, 9:38 AM CST | Severe Thunderstorm Warning | JAN | Hinds, Rankin | 52 min |
| Dec 6, 9:47 AM CST | Special Weather Statement | JAN | Madison | 28 min |
| Dec 6, 10:13 AM CST | Severe Thunderstorm Warning | JAN | Rankin | 62 min |
| Dec 6, 10:22 AM CST | Special Weather Statement | JAN | Copiah | 38 min |
| Dec 6, 11:05 AM CST | Special Weather Statement | JAN | Simpson | 40 min |
| Dec 6, 11:36 AM CST | Special Weather Statement | JAN | Jasper, Smith | 39 min |
| Dec 6, 11:46 AM CST | Severe Thunderstorm Warning | JAN | Clarke, Jasper | 59 min |
| Dec 6, 11:57 AM CST | Special Weather Statement | JAN | Covington, Jones | 48 min |
| Dec 6, 12:21 PM CST | Special Weather Statement | JAN | Clarke | 24 min |
Nearby
Special Weather Statements in Mississippi, 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.