Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 5, NWS Jackson, MS

January 25, 2021Copiah County, Rankin County, Simpson County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jan 25, 2021, 10:59 PM CST for Copiah County, Rankin County, Simpson County, Mississippi. It was in force for 20 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: Jan 25, 2021, 10:59 PM CST (04:59 UTC)
Expired: Jan 25, 2021, 11:19 PM CST
In force: 20 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

Counties Copiah County, MS, Rankin County, MS, Simpson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 33 km from the middle of the area, began a volume at 04:59 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
Jan 25, 11:03 PM CST	HAIL 1	Crystal Springs, MS	QUARTER SIZE HAIL REPORTED IN CRYSTAL SPRINGS.

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 00:00Z, 5.0 hours before the alert went out and 32 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: 1364 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 701 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 294 m²/s²
0-3 km storm-relative helicity: 293 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 8.3

Open this sounding in Storm Lab

The text

As transmitted.

351 
WUUS54 KJAN 260459
SVRJAN
MSC029-121-127-260600-
/O.NEW.KJAN.SV.W.0005.210126T0459Z-210126T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
1059 PM CST Mon Jan 25 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Southern Rankin County in central Mississippi...
  Northern Simpson County in central Mississippi...
  Northeastern Copiah County in central Mississippi...

* Until midnight CST.

* At 1059 PM CST, a severe thunderstorm was located over Gallman, or
  near Crystal Springs, moving east at 40 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Crystal Springs around 1105 PM CST.
  Hopewell around 1115 PM CST.
  Whites around 1120 PM CST.
  Harrisville around 1130 PM CST.
  Star around 1135 PM CST.
  Piney Woods around 1140 PM CST.
  Mendenhall around 1145 PM CST.
  Cato around 1150 PM CST.

Other locations impacted by this severe thunderstorm include D'Lo,
Braxton and Puckett.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3205 9050 3205 9023 3209 9023 3209 9025
      3214 9025 3225 8973 3195 8973 3183 9047
TIME...MOT...LOC 0459Z 253DEG 35KT 3194 9042 

HAIL...1.75IN
WIND...60MPH
 
$$

19

2 follow-up statements

218 
WWUS54 KJAN 260515
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1115 PM CST Mon Jan 25 2021

MSC029-260525-
/O.CAN.KJAN.SV.W.0005.000000T0000Z-210126T0600Z/
Copiah MS-
1115 PM CST Mon Jan 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN COPIAH 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 3191 9017 3193 9017 3194 9020 3195 9019
      3199 9021 3199 9022 3201 9023 3202 9022
      3203 9025 3205 9023 3209 9023 3209 9025
      3210 9024 3211 9025 3214 9024 3225 8973
      3195 8973 3190 9016
TIME...MOT...LOC 0515Z 253DEG 35KT 3199 9024 

$$

MSC121-127-260600-
/O.CON.KJAN.SV.W.0005.000000T0000Z-210126T0600Z/
Rankin MS-Simpson MS-
1115 PM CST Mon Jan 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
FOR SOUTHERN RANKIN AND NORTHERN SIMPSON COUNTIES...

At 1115 PM CST, a severe thunderstorm was located near Hopewell, or
near Crystal Springs, moving east at 40 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.

This severe storm will be near...
  Whites around 1120 PM CST.
  Harrisville around 1130 PM CST.
  Star around 1135 PM CST.
  Piney Woods around 1140 PM CST.
  Cato around 1150 PM CST.
  Johns around 1155 PM CST.

Other locations impacted by this severe thunderstorm include D'Lo,
Braxton and Puckett.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3191 9017 3193 9017 3194 9020 3195 9019
      3199 9021 3199 9022 3201 9023 3202 9022
      3203 9025 3205 9023 3209 9023 3209 9025
      3210 9024 3211 9025 3214 9024 3225 8973
      3195 8973 3190 9016
TIME...MOT...LOC 0515Z 253DEG 35KT 3199 9024 

HAIL...1.00IN
WIND...60MPH
 
$$

19

361 
WWUS54 KJAN 260519
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1119 PM CST Mon Jan 25 2021

MSC121-127-260529-
/O.CAN.KJAN.SV.W.0005.000000T0000Z-210126T0600Z/
Rankin MS-Simpson MS-
1119 PM CST Mon Jan 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN RANKIN AND NORTHERN
SIMPSON COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

LAT...LON 3191 9017 3193 9017 3194 9020 3195 9019
      3199 9021 3199 9022 3201 9023 3202 9022
      3203 9025 3205 9023 3209 9023 3209 9025
      3210 9024 3211 9025 3214 9024 3225 8973
      3195 8973 3190 9016
TIME...MOT...LOC 0518Z 253DEG 35KT 3200 9019 

$$

19

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 25, 6:12 PM CST	Special Weather Statement	JAN	Madison	33 min
Jan 25, 6:23 PM CST	Severe Thunderstorm Warning	JAN	Attala, Leake, Madison	44 min
Jan 25, 6:54 PM CST	Severe Thunderstorm Warning	JAN	Neshoba, Winston	55 min
Jan 25, 7:02 PM CST	Tornado Warning	JAN	Attala, Leake, Neshoba, Winston	46 min
Jan 25, 7:42 PM CST	Tornado Warning	JAN	Lowndes, Noxubee	47 min
Jan 25, 8:39 PM CST	Special Weather Statement	JAN	Madison	36 min
Jan 25, 10:49 PM CST	Special Weather Statement	JAN	Copiah	26 min
Jan 25, 11:07 PM CST	Special Weather Statement	JAN	Newton, Scott	53 min
Jan 25, 11:12 PM CST	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale, Neshoba, Newton, Scott	63 min
Jan 26, 12:17 AM CST	Special Weather Statement	JAN	Kemper	28 min
Jan 26, 12:39 AM CST	Severe Thunderstorm Warning	JAN	Lawrence, Lincoln	35 min
Jan 26, 2:39 AM CST	Special Weather Statement	JAN	Clarke	36 min
Jan 26, 3:07 AM CST	Special Weather Statement	JAN	Jones	23 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.