Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 236, NWS Jackson, MS

June 14, 2021Copiah County, Simpson County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 14, 2021, 6:09 PM CDT for Copiah County, Simpson County, Mississippi. It was in force for 51 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: Jun 14, 2021, 6:09 PM CDT (23:09 UTC)
Expired: Jun 14, 2021, 7:00 PM CDT
In force: 51 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Copiah County, MS, Simpson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 45 km from the middle of the area, began a volume at 23:08 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

Jackson, MS (KJAN), launched 12:00Z, 11.2 hours before the alert went out and 44 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: 389 J/kg
Mixed-layer CIN: -189 J/kg
Mixed-layer LCL: 1349 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

692 
WUUS54 KJAN 142309
SVRJAN
MSC029-127-150000-
/O.NEW.KJAN.SV.W.0236.210614T2309Z-210615T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
609 PM CDT Mon Jun 14 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Northwestern Simpson County in central Mississippi...
  Northeastern Copiah County in central Mississippi...

* Until 700 PM CDT.

* At 609 PM CDT, a severe thunderstorm was located over Hopewell, or
  near Crystal Springs, moving south at 10 mph.

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

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Crystal Springs and Hopewell around 625 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3205 9031 3205 9017 3183 9017 3186 9030
      3196 9045
TIME...MOT...LOC 2309Z 011DEG 8KT 3198 9024 

HAIL...0.75IN
WIND...60MPH
 
$$

DL

3 follow-up statements

559 
WWUS54 KJAN 142330
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
630 PM CDT Mon Jun 14 2021

MSC029-127-150000-
/O.CON.KJAN.SV.W.0236.000000T0000Z-210615T0000Z/
Simpson MS-Copiah MS-
630 PM CDT Mon Jun 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHWESTERN SIMPSON AND NORTHEASTERN COPIAH COUNTIES...

At 630 PM CDT, a severe thunderstorm was located near Hopewell, or
near Crystal Springs, moving southwest at 10 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Crystal Springs, Gallman and Hopewell. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3205 9031 3205 9017 3183 9017 3186 9030
      3196 9045
TIME...MOT...LOC 2330Z 024DEG 8KT 3199 9024 

HAIL...0.75IN
WIND...60MPH
 
$$

DL

190 
WWUS54 KJAN 142341
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
641 PM CDT Mon Jun 14 2021

MSC127-142351-
/O.CAN.KJAN.SV.W.0236.000000T0000Z-210615T0000Z/
Simpson MS-
641 PM CDT Mon Jun 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SIMPSON 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 3186 9030 3196 9045 3201 9027 3198 9021
      3197 9021 3195 9019 3194 9020 3194 9018
      3193 9017 3183 9017
TIME...MOT...LOC 2341Z 011DEG 8KT 3197 9025 

$$

MSC029-150000-
/O.CON.KJAN.SV.W.0236.000000T0000Z-210615T0000Z/
Copiah MS-
641 PM CDT Mon Jun 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHEASTERN COPIAH COUNTY...

At 641 PM CDT, a severe thunderstorm was located over Hopewell, or
near Crystal Springs, moving south at 10 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Crystal Springs, Gallman and Hopewell. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3186 9030 3196 9045 3201 9027 3198 9021
      3197 9021 3195 9019 3194 9020 3194 9018
      3193 9017 3183 9017
TIME...MOT...LOC 2341Z 011DEG 8KT 3197 9025 

HAIL...<.75IN
WIND...60MPH
 
$$

DL

873 
WWUS54 KJAN 142351 RRA
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
651 PM CDT Mon Jun 14 2021

MSC029-150001-
/O.EXP.KJAN.SV.W.0236.000000T0000Z-210615T0000Z/
Copiah MS-
651 PM CDT Mon Jun 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN COPIAH COUNTY
WILL EXPIRE AT 700 PM CDT...
                
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 will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Jackson.

LAT...LON 3186 9030 3196 9045 3201 9027 3198 9021
      3197 9021 3195 9019 3194 9020 3194 9018
      3193 9017 3183 9017
TIME...MOT...LOC 2351Z 011DEG 8KT 3195 9025 

$$

DL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 14, 3:04 AM CDT	Heat Advisory	JAN	Adams, Claiborne, Copiah, Covington, Forrest, Franklin and 19 more	12 hr
Jun 14, 3:55 PM CDT	Special Weather Statement	JAN	Rankin	65 min
Jun 14, 4:41 PM CDT	Special Weather Statement	JAN	Smith	64 min
Jun 14, 5:04 PM CDT	Severe Thunderstorm Warning	JAN	Simpson, Smith	41 min
Jun 14, 5:41 PM CDT	Special Weather Statement	JAN	Covington, Simpson	64 min
Jun 14, 6:12 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence	48 min
Jun 14, 6:39 PM CDT	Special Weather Statement	JAN	Lincoln	66 min
Jun 14, 6:53 PM CDT	Special Weather Statement	JAN	Marion	67 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.