Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 257, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Sep 1, 2021, 4:35 PM CDT for 6 counties in Mississippi. It was in force for 40 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 1, 2021, 4:35 PM CDT (21:35 UTC)
- Expired
- Sep 1, 2021, 5:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Attala County, MS, Carroll County, MS, Holmes County, MS, Leake County, MS, Madison County, MS, Yazoo County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 87 km from the middle of the area, began a volume at 21:35 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 1, 4:40 PM CDT | TSTM WND DMG | 4 E Franklin, MS | SEVERAL TREES DOWNED IN EASTERN HOLMES CO. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 9.6 hours before the alert went out and 83 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
- 1115 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 1102 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
000 WUUS54 KJAN 012135 SVRJAN MSC007-015-051-079-089-163-012215- /O.NEW.KJAN.SV.W.0257.210901T2135Z-210901T2215Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Jackson MS 435 PM CDT Wed Sep 1 2021 The National Weather Service in Jackson has issued a * Severe Thunderstorm Warning for... Northwestern Leake County in central Mississippi... Holmes County in central Mississippi... South central Carroll County in north central Mississippi... Western Attala County in central Mississippi... Northeastern Yazoo County in central Mississippi... Northeastern Madison County in central Mississippi... * Until 515 PM CDT. * At 435 PM CDT, a severe thunderstorm was located near Mcmillan, or 8 miles northwest of Durant, moving south at 20 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Durant and Franklin around 450 PM CDT. Goodman around 510 PM CDT. Pickens and Cameron around 515 PM CDT. Other locations impacted by this severe thunderstorm include West and Sallis. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3320 9033 3332 8980 3288 8957 3272 9004 TIME...MOT...LOC 2135Z 340DEG 19KT 3313 8999 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.88 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JNE
1 follow-up statement
277
WWUS54 KJAN 012153
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
453 PM CDT Wed Sep 1 2021
MSC015-012202-
/O.CAN.KJAN.SV.W.0257.000000T0000Z-210901T2215Z/
Carroll MS-
453 PM CDT Wed Sep 1 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CARROLL COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3305 9024 3317 8972 3288 8957 3272 9004
TIME...MOT...LOC 2152Z 340DEG 19KT 3304 8995
$$
MSC007-051-079-089-163-012215-
/O.CON.KJAN.SV.W.0257.000000T0000Z-210901T2215Z/
Leake MS-Holmes MS-Attala MS-Yazoo MS-Madison MS-
453 PM CDT Wed Sep 1 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHWESTERN LEAKE...SOUTHEASTERN HOLMES...SOUTHWESTERN ATTALA...
NORTHEASTERN YAZOO AND NORTHEASTERN MADISON COUNTIES...
At 452 PM CDT, a severe thunderstorm was located over Franklin, or
near Durant, moving south at 20 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe storm will be near...
Goodman around 510 PM CDT.
Pickens and Newport around 520 PM CDT.
Cameron around 530 PM CDT.
Other locations impacted by this severe thunderstorm include Sallis.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3305 9024 3317 8972 3288 8957 3272 9004
TIME...MOT...LOC 2152Z 340DEG 19KT 3304 8995
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JNEThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 4:08 AM CDT | Heat Advisory | JAN | Adams, Bolivar, Carroll, Claiborne, Copiah, Franklin and 18 more | 15 hr |
| Sep 1, 1:03 PM CDT | Special Weather Statement | JAN | Lowndes | 42 min |
| Sep 1, 1:10 PM CDT | Severe Thunderstorm Warning | JAN | Lowndes | 38 min |
| Sep 1, 2:37 PM CDT | Special Weather Statement | JAN | Noxubee | 23 min |
| Sep 1, 2:46 PM CDT | Special Weather Statement | JAN | Clay | 29 min |
| Sep 1, 3:13 PM CDT | Special Weather Statement | JAN | Choctaw | 32 min |
| Sep 1, 3:25 PM CDT | Severe Thunderstorm Warning | JAN | Clay, Lowndes, Noxubee, Oktibbeha | 50 min |
| Sep 1, 3:30 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Choctaw, Winston | 45 min |
| Sep 1, 3:34 PM CDT | Special Weather Statement | JAN | Carroll | 41 min |
| Sep 1, 4:02 PM CDT | Special Weather Statement | JAN | Carroll, Holmes | 43 min |
| Sep 1, 4:20 PM CDT | Severe Thunderstorm Warning | JAN | Kemper, Noxubee | 40 min |
| Sep 1, 4:42 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Kemper, Lauderdale, Leake, Neshoba, Newton and 1 more | 48 min |
| Sep 1, 5:00 PM CDT | Severe Thunderstorm Warning | JAN | Kemper | 45 min |
| Sep 1, 5:04 PM CDT | Severe Thunderstorm Warning | JAN | Holmes, Humphreys, Yazoo | 41 min |
| Sep 1, 5:07 PM CDT | Severe Thunderstorm Warning | JAN | Leake, Madison, Rankin, Scott, Yazoo | 68 min |
| Sep 1, 5:19 PM CDT | Severe Thunderstorm Warning | JAN | Clarke, Jasper, Lauderdale, Newton | 56 min |
| Sep 1, 5:34 PM CDT | Severe Thunderstorm Warning | JAN | Kemper, Lauderdale, Leake, Neshoba, Newton | 34 min |
| Sep 1, 5:45 PM CDT | Severe Thunderstorm Warning | JAN | Madison, Yazoo | 60 min |
| Sep 1, 6:05 PM CDT | Special Weather Statement | JAN | Clarke, Jasper, Rankin, Scott, Simpson, Smith | 55 min |
| Sep 1, 6:14 PM CDT | Severe Thunderstorm Warning | JAN | Hinds, Madison, Rankin, Simpson | 76 min |
| Sep 1, 6:15 PM CDT | Severe Thunderstorm Warning | JAN | Clarke, Jasper, Lauderdale, Newton | 60 min |
| Sep 1, 6:37 PM CDT | Severe Thunderstorm Warning | JAN | Clarke, Jasper, Simpson, Smith | 53 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.