Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 258, NWS Jackson, MS

September 1, 20217 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Sep 1, 2021, 4:42 PM CDT for 7 counties in Mississippi. It was in force for 48 min. 7 reports 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, 4:42 PM CDT (21:42 UTC)
Expired
Sep 1, 2021, 5:30 PM CDT
In force
48 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Attala County, MS, Kemper County, MS, Lauderdale County, MS, Leake County, MS, Neshoba County, MS, Newton County, MS, Winston County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 112 km from the middle of the area, began a volume at 21:41 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

TimeReportWhereRemark
Sep 1, 4:42 PM CDTTSTM WND DMGKosciusko, MSTREE AND LARGE LIMBS DOWNED AT KOSCIUSKO COOP SITE.
Sep 1, 4:47 PM CDTTSTM WND DMG1 W Kosciusko, MSTREE FELL ON HOUSE NEAR GOODMAN STREET.
Sep 1, 4:47 PM CDTTSTM WND DMG2 S Kosciusko, MSLARGE TREE DOWN ON NATCHEZ TRACE ROAD.
Sep 1, 4:47 PM CDTTSTM WND DMGKosciusko, MSA TOWER AT A RADIO STATION FELL ON THE BUILDING. NO INJURIES REPORTED.
Sep 1, 4:47 PM CDTTSTM WND DMGKosciusko, MSTHE ROOF OF THE STRAND THEATRE WAS DAMAGED. DEBRIS FROM THE ROOF DAMAGED THE ROOF OF THE ADJACENT KOSCIUSKO STAR-HERALD BUILDING.
Sep 1, 4:47 PM CDTTSTM WND DMGKosciusko, MSTREE FELL ON HOUSE NEAR FAIRGROUND STREET.
Sep 1, 5:28 PM CDTTSTM WND DMGCarthage, MSMULTIPLE TREES DOWN SCATTERED ACROSS LEAKE 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, 9.7 hours before the alert went out and 118 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.

Skew-T log-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2021-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1115 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2021-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted.

091 
WUUS54 KJAN 012142
SVRJAN
MSC007-069-075-079-099-101-159-012230-
/O.NEW.KJAN.SV.W.0258.210901T2142Z-210901T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
442 PM CDT Wed Sep 1 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Leake County in central Mississippi...
  Northeastern Newton County in east central Mississippi...
  Western Kemper County in east central Mississippi...
  Southeastern Attala County in central Mississippi...
  Southwestern Winston County in east central Mississippi...
  Neshoba County in east central Mississippi...
  Northern Lauderdale County in east central Mississippi...

* Until 530 PM CDT.

* At 442 PM CDT, severe thunderstorms were located along a line
  extending from near Gholson to near Hesterville, moving southeast
  at 35 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near...
  De Kalb around 455 PM CDT.
  Smyrna around 505 PM CDT.
  Singleton and Blackwater around 510 PM CDT.
  Meridian Station and Renfroe around 520 PM CDT.
  Carthage and Tamola around 525 PM CDT.
  Lauderdale, Edinburg, Madden and Kewanee around 530 PM CDT.

Other locations impacted by these severe thunderstorms include
Tucker, Standing Pine and Redwater.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3242 8841 3263 8964 3313 8974 3290 8873
      3252 8839
TIME...MOT...LOC 2142Z 330DEG 30KT 3287 8871 3311 8966 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JNE
1 follow-up statement
469 
WWUS54 KJAN 012224 RRA
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
524 PM CDT Wed Sep 1 2021

MSC007-159-012234-
/O.CAN.KJAN.SV.W.0258.000000T0000Z-210901T2230Z/
Attala MS-Winston MS-
524 PM CDT Wed Sep 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ATTALA AND
SOUTHWESTERN WINSTON COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3242 8841 3263 8964 3293 8970 3293 8964
      3277 8861 3252 8839
TIME...MOT...LOC 2224Z 330DEG 30KT 3261 8854 3286 8948 

$$

MSC069-075-079-099-101-012230-
/O.CON.KJAN.SV.W.0258.000000T0000Z-210901T2230Z/
Leake MS-Newton MS-Kemper MS-Neshoba MS-Lauderdale MS-
524 PM CDT Wed Sep 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR LEAKE...NORTHEASTERN NEWTON...SOUTHWESTERN KEMPER...NESHOBA AND
NORTHERN LAUDERDALE COUNTIES...

At 524 PM CDT, severe thunderstorms were located along a line
extending from near Tamola to Renfroe, moving southeast at 35 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  Meridian Station and Tamola around 530 PM CDT.
  Lauderdale around 535 PM CDT.
  Madden, Kewanee and Dowdville around 550 PM CDT.
  Dixon around 600 PM CDT.

Other locations impacted by these severe thunderstorms include
Tucker, Standing Pine and Redwater.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3242 8841 3263 8964 3293 8970 3293 8964
      3277 8861 3252 8839
TIME...MOT...LOC 2224Z 330DEG 30KT 3261 8854 3286 8948 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JNE

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 1, 4:08 AM CDTHeat AdvisoryJANAdams, Bolivar, Carroll, Claiborne, Copiah, Franklin and 18 more15 hr
Sep 1, 1:03 PM CDTSpecial Weather StatementJANLowndes42 min
Sep 1, 1:10 PM CDTSevere Thunderstorm WarningJANLowndes38 min
Sep 1, 2:37 PM CDTSpecial Weather StatementJANNoxubee23 min
Sep 1, 2:46 PM CDTSpecial Weather StatementJANClay29 min
Sep 1, 3:13 PM CDTSpecial Weather StatementJANChoctaw32 min
Sep 1, 3:25 PM CDTSevere Thunderstorm WarningJANClay, Lowndes, Noxubee, Oktibbeha50 min
Sep 1, 3:30 PM CDTSevere Thunderstorm WarningJANAttala, Choctaw, Winston45 min
Sep 1, 3:34 PM CDTSpecial Weather StatementJANCarroll41 min
Sep 1, 4:02 PM CDTSpecial Weather StatementJANCarroll, Holmes43 min
Sep 1, 4:20 PM CDTSevere Thunderstorm WarningJANKemper, Noxubee40 min
Sep 1, 4:35 PM CDTSevere Thunderstorm WarningJANAttala, Carroll, Holmes, Leake, Madison, Yazoo40 min
Sep 1, 5:00 PM CDTSevere Thunderstorm WarningJANKemper45 min
Sep 1, 5:04 PM CDTSevere Thunderstorm WarningJANHolmes, Humphreys, Yazoo41 min
Sep 1, 5:07 PM CDTSevere Thunderstorm WarningJANLeake, Madison, Rankin, Scott, Yazoo68 min
Sep 1, 5:19 PM CDTSevere Thunderstorm WarningJANClarke, Jasper, Lauderdale, Newton56 min
Sep 1, 5:34 PM CDTSevere Thunderstorm WarningJANKemper, Lauderdale, Leake, Neshoba, Newton34 min
Sep 1, 5:45 PM CDTSevere Thunderstorm WarningJANMadison, Yazoo60 min
Sep 1, 6:05 PM CDTSpecial Weather StatementJANClarke, Jasper, Rankin, Scott, Simpson, Smith55 min
Sep 1, 6:14 PM CDTSevere Thunderstorm WarningJANHinds, Madison, Rankin, Simpson76 min
Sep 1, 6:15 PM CDTSevere Thunderstorm WarningJANClarke, Jasper, Lauderdale, Newton60 min
Sep 1, 6:37 PM CDTSevere Thunderstorm WarningJANClarke, Jasper, Simpson, Smith53 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.