Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 282, NWS Jackson, MS

October 5, 20215 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Oct 5, 2021, 7:14 PM CDT for 5 counties in Mississippi. It was in force for 46 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: Oct 5, 2021, 7:14 PM CDT (00:14 UTC)
Expired: Oct 5, 2021, 8:00 PM CDT
In force: 46 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Kemper County, MS, Lowndes County, MS, Noxubee County, MS, Oktibbeha County, MS, Winston County, MS

The radar

The Columbus AFB radar (KGWX), 94 km from the middle of the area, began a volume at 00:17 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

Birmingham, AL (KBMX), launched 00:00Z, 0.2 hours before the alert went out and 165 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: 734 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 449 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

854 
WUUS54 KJAN 060014
SVRJAN
MSC069-087-103-105-159-060100-
/O.NEW.KJAN.SV.W.0282.211006T0014Z-211006T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
714 PM CDT Tue Oct 5 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Noxubee County in east central Mississippi...
  Northeastern Kemper County in east central Mississippi...
  Southeastern Oktibbeha County in northeastern Mississippi...
  Northeastern Winston County in east central Mississippi...
  Southern Lowndes County in northeastern Mississippi...

* Until 800 PM CDT.

* At 714 PM CDT, severe thunderstorms were located along a line
  extending from near Crawford to near Gholson, moving east at 30
  mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Crawford around 720 PM CDT.
  Brooksville around 725 PM CDT.
  Deerbrook around 735 PM CDT.
  Paulette and Bigbee Valley around 750 PM CDT.
  Cooksville around 755 PM CDT.

Other locations impacted by these severe thunderstorms include
Shuqualak and Scooba.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3280 8836 3282 8859 3291 8882 3338 8884
      3340 8860 3338 8829
TIME...MOT...LOC 0014Z 266DEG 24KT 3329 8866 3297 8870 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

DC

1 follow-up statement

708 
WWUS54 KJAN 060043
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
743 PM CDT Tue Oct 5 2021

MSC105-159-060052-
/O.CAN.KJAN.SV.W.0282.000000T0000Z-211006T0100Z/
Oktibbeha MS-Winston MS-
743 PM CDT Tue Oct 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OKTIBBEHA AND
NORTHEASTERN 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 3281 8836 3280 8839 3282 8858 3284 8863
      3305 8860 3329 8867 3339 8867 3340 8855
      3338 8829
TIME...MOT...LOC 0042Z 254DEG 17KT 3337 8849 3318 8842 

$$

MSC069-087-103-060100-
/O.CON.KJAN.SV.W.0282.000000T0000Z-211006T0100Z/
Noxubee MS-Kemper MS-Lowndes MS-
743 PM CDT Tue Oct 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR NOXUBEE...NORTHEASTERN KEMPER AND SOUTHERN LOWNDES COUNTIES...

At 742 PM CDT, severe thunderstorms were located along a line
extending from near Bent Oak to near Prairie Point, moving east at 20
mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

These severe storms will be near...
  Bigbee Valley around 800 PM CDT.

Other locations impacted by these severe thunderstorms include
Shuqualak and Scooba.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3281 8836 3280 8839 3282 8858 3284 8863
      3305 8860 3329 8867 3339 8867 3340 8855
      3338 8829
TIME...MOT...LOC 0042Z 254DEG 17KT 3337 8849 3318 8842 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

DC

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 5, 7:06 PM CDT	Special Weather Statement	JAN	Lowndes	24 min
Oct 5, 7:15 PM CDT	Flash Flood Warning	JAN	Lowndes, Noxubee, Oktibbeha	103 min
Oct 5, 7:34 PM CDT	Special Weather Statement	JAN	Clay	41 min
Oct 5, 7:53 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Lowndes	67 min
Oct 5, 8:14 PM CDT	Flash Flood Warning	JAN	Lowndes, Noxubee	2 hr
Oct 5, 10:07 PM CDT	Flash Flood Warning	JAN	Lauderdale	2 hr
Oct 6, 5:50 AM CDT	Dense Fog Advisory	JAN	Covington, Forrest, Jefferson Davis, Jones, Lamar, Lawrence and 1 more	3 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.