Alert archive / Mississippi / Wind Advisories in 2021
Wind Advisory 6, NWS Jackson, MS
NWS Jackson, MS issued this wind advisory at Aug 29, 2021, 4:00 PM CDT for 4 parishes in Louisiana; Ashley County, Chicot County, Arkansas; 17 counties in Mississippi. It was in force for 30 hr.
The area
The counties it named.
The facts
- Issued
- Aug 29, 2021, 4:00 PM CDT (21:00 UTC)
- Expired
- Aug 30, 2021, 10:00 PM CDT
- In force
- 30 hr
- Issued by
- NWS Jackson, MS
All 23 counties
Ashley County, AR, Chicot County, AR, Catahoula Parish, LA, Franklin Parish, LA, Morehouse Parish, LA, Richland Parish, LA, Attala County, MS, Bolivar County, MS, Carroll County, MS, Choctaw County, MS, Clay County, MS, Grenada County, MS, Holmes County, MS, Humphreys County, MS, Leflore County, MS, Lowndes County, MS, Montgomery County, MS, Noxubee County, MS, Oktibbeha County, MS, Sunflower County, MS, Washington County, MS, Webster County, MS, Winston County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 104 km from the middle of the area, began a volume at 21:01 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, 9.0 hours before the alert went out and 98 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
- 577 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 900 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted.
073 WWUS74 KJAN 292100 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 400 PM CDT Sun Aug 29 2021 ARZ074-075-MSZ018-019-025-300500- /O.NEW.KJAN.WI.Y.0006.210829T2100Z-210901T0000Z/ Ashley-Chicot-Bolivar-Sunflower-Leflore- Including the cities of Crossett, North Crossett, Hamburg, West Crossett, Dermott, Lake Village, Eudora, Cleveland, Indianola, Ruleville, and Greenwood 400 PM CDT Sun Aug 29 2021 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY... * WHAT...North winds 15 to 25 mph with gusts up to 40 mph. * WHERE...In Mississippi, Bolivar, Sunflower and Leflore Counties. In Arkansas, Ashley and Chicot Counties. * WHEN...Until 7 PM CDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ DC
5 follow-up statements
765 WWUS74 KJAN 300500 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 1200 AM CDT Mon Aug 30 2021 ARZ074-075-MSZ018-019-025-301300- /O.CON.KJAN.WI.Y.0006.000000T0000Z-210901T0000Z/ Ashley-Chicot-Bolivar-Sunflower-Leflore- Including the cities of Crossett, North Crossett, Hamburg, West Crossett, Dermott, Lake Village, Eudora, Cleveland, Indianola, Ruleville, and Greenwood 1200 AM CDT Mon Aug 30 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT TUESDAY... * WHAT...North winds 15 to 25 mph with gusts up to 40 mph. * WHERE...In Mississippi, Bolivar, Sunflower and Leflore Counties. In Arkansas, Ashley and Chicot Counties. * WHEN...Until 7 PM CDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
370 WWUS74 KJAN 300939 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 439 AM CDT Mon Aug 30 2021 LAZ007-015-023-024-310000- /O.EXB.KJAN.WI.Y.0006.000000T0000Z-210831T0000Z/ Morehouse-Richland-Franklin LA-Catahoula- Including the cities of Bastrop, Rayville, Delhi, Winnsboro, Jonesville, and Harrisonburg 439 AM CDT Mon Aug 30 2021 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...North winds 15 to 25 mph with gusts up to 40 mph. * WHERE...Morehouse, Richland, Franklin LA and Catahoula Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ARZ074-075-MSZ018-019-025-310000- /O.EXT.KJAN.WI.Y.0006.000000T0000Z-210831T0000Z/ Ashley-Chicot-Bolivar-Sunflower-Leflore- Including the cities of Crossett, North Crossett, Hamburg, West Crossett, Dermott, Lake Village, Eudora, Cleveland, Indianola, Ruleville, and Greenwood 439 AM CDT Mon Aug 30 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...North winds 15 to 25 mph with gusts up to 40 mph. * WHERE...In Mississippi, Bolivar, Sunflower and Leflore Counties. In Arkansas, Ashley and Chicot Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
843 WWUS74 KJAN 301339 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 839 AM CDT Mon Aug 30 2021 ARZ074-075-LAZ007-015-023-024-MSZ018-019-025-302145- /O.CON.KJAN.WI.Y.0006.000000T0000Z-210831T0000Z/ Ashley-Chicot-Morehouse-Richland-Franklin LA-Catahoula-Bolivar- Sunflower-Leflore- Including the cities of Crossett, North Crossett, Hamburg, West Crossett, Dermott, Lake Village, Eudora, Bastrop, Rayville, Delhi, Winnsboro, Jonesville, Harrisonburg, Cleveland, Indianola, Ruleville, and Greenwood 839 AM CDT Mon Aug 30 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...North winds 15 to 25 mph with gusts up to 40 mph. * WHERE...In Mississippi, Bolivar, Sunflower and Leflore Counties. In Arkansas, Ashley and Chicot Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ DL
986 WWUS74 KJAN 301728 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 1228 PM CDT Mon Aug 30 2021 LAZ023-024-301830- /O.CAN.KJAN.WI.Y.0006.000000T0000Z-210831T0000Z/ Franklin LA-Catahoula- Including the cities of Winnsboro, Jonesville, and Harrisonburg 1228 PM CDT Mon Aug 30 2021 ...WIND ADVISORY IS CANCELLED... Winds will remain gusty at times, but will remain below advisory criteria for the remainder of the day. Use caution in areas where trees or power lines may have fallen earlier this morning. $$ ARZ074-075-LAZ007-015-MSZ018-019-025-310000- /O.CON.KJAN.WI.Y.0006.000000T0000Z-210831T0000Z/ Ashley-Chicot-Morehouse-Richland-Bolivar-Sunflower-Leflore- Including the cities of Crossett, North Crossett, Hamburg, West Crossett, Dermott, Lake Village, Eudora, Bastrop, Rayville, Delhi, Cleveland, Indianola, Ruleville, and Greenwood 1228 PM CDT Mon Aug 30 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...North winds 15 to 25 mph with gusts up to 40 mph. * WHERE...In Mississippi, Bolivar, Sunflower and Leflore Counties. In Arkansas, Ashley and Chicot Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
040 WWUS74 KJAN 302057 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 357 PM CDT Mon Aug 30 2021 ARZ074-LAZ007-015-302200- /O.CAN.KJAN.WI.Y.0006.000000T0000Z-210831T0000Z/ Ashley-Morehouse-Richland- Including the cities of Crossett, North Crossett, Hamburg, West Crossett, Bastrop, Rayville, and Delhi 357 PM CDT Mon Aug 30 2021 ...WIND ADVISORY IS CANCELLED... Some gusty winds may continue into this evening, but wind speeds have lessened through this afternoon and are no longer hazardous in this area. $$ MSZ026>039-310300- /O.EXB.KJAN.WI.Y.0006.000000T0000Z-210831T0300Z/ Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha- Washington-Humphreys-Holmes-Attala-Winston-Noxubee- Including the cities of Grenada, Vaiden, North Carrollton, Carrollton, Winona, Eupora, Mathiston, West Point, Columbus, Ackerman, Weir, Starkville, Greenville, Belzoni, Isola, Durant, Tchula, Lexington, Pickens, Goodman, Kosciusko, Louisville, Macon, and Brooksville 357 PM CDT Mon Aug 30 2021 ...WIND ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Winds of 20 to 25 mph with gusts up to 40 mph. * WHERE...Far southeast Arkansas as well as portions of central and northern Mississippi. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strong and gusty winds associated with Tropical Depression Ida will continue through this evening before weakening later tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ARZ075-MSZ018-019-025-310300- /O.EXT.KJAN.WI.Y.0006.000000T0000Z-210831T0300Z/ Chicot-Bolivar-Sunflower-Leflore- Including the cities of Dermott, Lake Village, Eudora, Cleveland, Indianola, Ruleville, and Greenwood 357 PM CDT Mon Aug 30 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Winds of 20 to 25 mph with gusts up to 40 mph. * WHERE...Far southeast Arkansas as well as portions of central and northern Mississippi. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strong and gusty winds associated with Tropical Depression Ida will continue through this evening before weakening later tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ NF
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 2:36 PM CDT | Special Weather Statement | JAN | Franklin, Madison | 39 min |
| Aug 29, 3:22 PM CDT | Special Weather Statement | JAN | East Carroll, Franklin, Richland, West Carroll | 38 min |
| Aug 29, 4:49 PM CDT | Special Weather Statement | JAN | Morehouse | 41 min |
| Aug 29, 10:31 AM CDT | River Flood Warning | JAN | Leake | 5 days |
| Aug 29, 10:31 AM CDT | River Flood Warning | JAN | Attala | 71 hr |
| Aug 29, 10:31 AM CDT | River Flood Warning | JAN | Neshoba | 7 days |
| Aug 29, 10:31 AM CDT | River Flood Warning | JAN | Leake | 21 days |
| Aug 29, 10:31 AM CDT | River Flood Warning | JAN | Leake | 21 days |
| Aug 29, 10:37 AM CDT | River Flood Warning | JAN | Copiah, Simpson | 58 hr |
| Aug 29, 10:37 AM CDT | River Flood Warning | JAN | Lawrence | 58 hr |
| Aug 29, 10:37 AM CDT | River Flood Warning | JAN | Simpson | 4 days |
| Aug 29, 10:37 AM CDT | River Flood Warning | JAN | Marion | 21 days |
| Aug 29, 10:50 AM CDT | Special Weather Statement | JAN | Covington, Jones | 40 min |
| Aug 29, 10:54 AM CDT | River Flood Warning | JAN | Jones | 5 days |
| Aug 29, 10:54 AM CDT | River Flood Warning | JAN | Covington, Forrest | 48 hr |
| Aug 29, 10:54 AM CDT | River Flood Warning | JAN | Covington, Jones | 48 hr |
| Aug 29, 10:54 AM CDT | River Flood Warning | JAN | Forrest | 48 hr |
| Aug 29, 10:54 AM CDT | River Flood Warning | JAN | Clarke | 71 hr |
| Aug 29, 10:54 AM CDT | River Flood Warning | JAN | Forrest | 48 hr |
| Aug 29, 11:08 AM CDT | River Flood Warning | JAN | Franklin | 57 hr |
| Aug 29, 11:08 AM CDT | River Flood Warning | JAN | Attala, Holmes | 12 days |
| Aug 29, 11:08 AM CDT | River Flood Warning | JAN | Madison, Yazoo | 9 days |
| Aug 29, 11:08 AM CDT | River Flood Warning | JAN | Hinds, Warren | 62 hr |
| Aug 29, 11:13 AM CDT | River Flood Warning | JAN | Noxubee | 5 days |
| Aug 29, 11:13 AM CDT | River Flood Warning | JAN | Clay | 5 days |
| Aug 29, 11:49 AM CDT | Special Weather Statement | JAN | Simpson, Smith | 41 min |
| Aug 29, 12:56 PM CDT | Special Weather Statement | JAN | Hinds, Lauderdale, Newton, Rankin, Scott | 49 min |
| Aug 29, 1:51 PM CDT | Special Weather Statement | JAN | Madison | 39 min |
| Aug 29, 2:25 PM CDT | Special Weather Statement | JAN | Leake | 50 min |
| Aug 29, 2:29 PM CDT | Special Weather Statement | JAN | Warren, Yazoo | 46 min |
| Aug 29, 4:08 PM CDT | Special Weather Statement | JAN | Bolivar | 67 min |
Nearby
Wind Advisories in Mississippi, 2021Wind Advisories in Louisiana, 2021Wind Advisories in Arkansas, 2021Every wind advisory 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.