Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 265, NWS Jackson, MS

September 1, 20214 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Sep 1, 2021, 6:14 PM CDT for 4 counties in Mississippi. It was in force for 76 min. 4 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, 6:14 PM CDT (23:14 UTC)
Expired: Sep 1, 2021, 7:30 PM CDT
In force: 76 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Hinds County, MS, Madison County, MS, Rankin County, MS, Simpson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 15 km from the middle of the area, began a volume at 23:16 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, 6:23 PM CDT	TSTM WND DMG	1 Nnw Gluckstadt, MS	A LARGE TREE FELL ACROSS STRIBLING ROAD EXT.
Sep 1, 6:39 PM CDT	TSTM WND DMG	5 Sw Fannin, MS	TREE DOWNED ALONG GRANTS FERRY RD.
Sep 1, 6:44 PM CDT	TSTM WND DMG	2 Wsw Pelahatchie, MS	TREE DOWN ON HIGHWAY 80.
Sep 1, 7:37 PM CDT	TSTM WND DMG	3 W Forest Hill, MS	TREES DOWN BLOCKING ROADWAY ON JACKSON RAYMOND RD NEAR SPRINGRIDGE RD.

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, 11.2 hours before the alert went out and 5 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

667 
WUUS54 KJAN 012314
SVRJAN
MSC049-089-121-127-020030-
/O.NEW.KJAN.SV.W.0265.210901T2314Z-210902T0030Z/

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

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Rankin County in central Mississippi...
  Northeastern Simpson County in central Mississippi...
  Central Hinds County in central Mississippi...
  Central Madison County in central Mississippi...

* Until 730 PM CDT.

* At 613 PM CDT, a severe thunderstorm was located over Gluckstadt,
  or near Madison, moving south at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated. Yazoo County EMA reports several trees 
           downed across the county.

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

* Locations impacted include...
  Jackson, Clinton, Pearl, Brandon, Canton, Byram, Flowood, Richland,
  Star, Florence, Raymond, Pelahatchie, Terry, Leesburg, Pocahontas,
  Farmhaven, Goshen Springs, Sharon, Piney Woods and Pisgah.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3205 9046 3206 9046 3249 9039 3249 9025
      3240 9024 3240 9006 3267 9019 3269 9015
      3270 8981 3236 8973 3205 8973 3204 8966
TIME...MOT...LOC 2313Z 343DEG 28KT 3253 9012 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

DL

3 follow-up statements

635 
WWUS54 KJAN 012341
SVSJAN

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

MSC089-012350-
/O.CAN.KJAN.SV.W.0265.000000T0000Z-210902T0030Z/
Madison MS-
641 PM CDT Wed Sep 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MADISON 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 3205 9046 3240 9024 3240 9006 3249 9000
      3250 8976 3236 8973 3205 8973 3204 8966
TIME...MOT...LOC 2340Z 343DEG 28KT 3233 9005 

$$

MSC049-121-127-020030-
/O.CON.KJAN.SV.W.0265.000000T0000Z-210902T0030Z/
Rankin MS-Simpson MS-Hinds MS-
641 PM CDT Wed Sep 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR RANKIN...NORTHEASTERN SIMPSON AND SOUTHEASTERN HINDS COUNTIES...

At 640 PM CDT, a severe thunderstorm was located near Flowood, moving
south at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated. Several trees have been reported down 
         across Madison County with these storms.

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

Locations impacted include...
Jackson, Pearl, Brandon, Byram, Flowood, Richland, Star, Florence,
Pelahatchie, Terry, Leesburg, Cato, Goshen Springs, Whites, Johns,
Piney Woods, Pisgah, Monterey, Fannin and Puckett.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3205 9046 3240 9024 3240 9006 3249 9000
      3250 8976 3236 8973 3205 8973 3204 8966
TIME...MOT...LOC 2340Z 343DEG 28KT 3233 9005 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

DL

732 
WWUS54 KJAN 012354
SVSJAN

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

MSC049-121-127-020030-
/O.CON.KJAN.SV.W.0265.000000T0000Z-210902T0030Z/
Rankin MS-Simpson MS-Hinds MS-
654 PM CDT Wed Sep 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR RANKIN...NORTHEASTERN SIMPSON AND SOUTHEASTERN HINDS COUNTIES...

At 654 PM CDT, a severe thunderstorm was located near Brandon, moving
south at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Law enforcement. Several trees have been reported down with 
         this line of storms.

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

Locations impacted include...
Jackson, Pearl, Brandon, Byram, Flowood, Richland, Star, Florence,
Pelahatchie, Terry, Cato, Whites, Johns, Piney Woods, Monterey and
Puckett.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3205 9046 3240 9024 3240 8974 3236 8973
      3205 8973 3204 8966
TIME...MOT...LOC 2354Z 343DEG 28KT 3223 9001 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH

$$

DL

000 
WWUS54 KJAN 020012
SVSJAN

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

MSC049-127-020021-
/O.CAN.KJAN.SV.W.0265.000000T0000Z-210902T0030Z/
Simpson MS-Hinds MS-
712 PM CDT Wed Sep 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SIMPSON AND
SOUTHEASTERN HINDS COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3205 9023 3206 9023 3229 9009 3224 8973
      3205 8973
TIME...MOT...LOC 0011Z 350DEG 33KT 3205 8985 

$$

MSC121-020030-
/O.CON.KJAN.SV.W.0265.000000T0000Z-210902T0030Z/
Rankin MS-
712 PM CDT Wed Sep 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR SOUTHERN RANKIN COUNTY...

At 711 PM CDT, a severe thunderstorm was located near Cato, or near
Mendenhall, moving south at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Law enforcement. Several trees have been downed with these 
         storms in Madison and Rankin counties.

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

Locations impacted include...
Jackson, Star, Florence, Cato, Whites, Monterey, Johns, Piney Woods
and Puckett.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3205 9023 3206 9023 3229 9009 3224 8973
      3205 8973
TIME...MOT...LOC 0011Z 350DEG 33KT 3205 8985 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH

$$

DL

The 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, 4:35 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Carroll, Holmes, Leake, Madison, Yazoo	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, 6:15 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, 2021 Every 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.