Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 16, NWS Jackson, MS

March 16, 2021Copiah County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 16, 2021, 6:45 PM CDT for Copiah County, Mississippi. It was in force for 60 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
Mar 16, 2021, 6:45 PM CDT (23:45 UTC)
Expired
Mar 16, 2021, 7:45 PM CDT
In force
60 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Copiah County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 51 km from the middle of the area, began a volume at 23:45 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
Mar 16, 6:45 PM CDTHAIL 1.53 Se Smyrna, MSHAIL PING PONG BALL SIZE OR SLIGHTLY LARGER FELL ALONG HIGHWAY 28.
Mar 16, 6:51 PM CDTHAIL 1.753 Nnw Martinsville, MSQUARTER TO GOLFBALL SIZE HAIL FELL IN AND JUST SOUTH OF HAZLEHURST. THE GOLFBALL HAIL FELL ALONG I-55.
Mar 16, 7:03 PM CDTTORNADO4 Ne Beauregard, MSTHIS BRIEF EF1 TORNADO STARTED AT MARTINSVILLE ROAD AND TRACKED ENE FOR ALMOST A MILE. IT ALSO MOVED ALONG A PORTION OF RYAN RD. DAMAGE WAS MAINLY SNAPPED TREES, UPROOTED TREES AND MANY LIMBS BROKEN. SOME POWER LINES WERE DOWN AS WELL. MAX WINDS NEAR 100 MPH A
Mar 16, 7:23 PM CDTHAIL 25 Wsw Georgetown, MSTWO INCH HAIL FELL ALONG HIGHWAY 472 BEFORE ASHLEY ROAD TO THE EAST OF HAZLEHURST.

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, 11.8 hours before the alert went out and 52 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 2021-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 812 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 2021-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.19395878Sfc1 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
812 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
660 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

232 
WUUS54 KJAN 162345
SVRJAN
MSC029-170045-
/O.NEW.KJAN.SV.W.0016.210316T2345Z-210317T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
645 PM CDT Tue Mar 16 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Central Copiah County in central Mississippi...

* Until 745 PM CDT.

* At 645 PM CDT, a severe thunderstorm was located over Glancy, or
  near Hazlehurst, moving east at 30 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Martinsville around 650 PM CDT.
  Hazlehurst around 655 PM CDT.
  Gallman around 700 PM CDT.
  Hopewell around 720 PM CDT.
  Rockport around 725 PM CDT.

Other locations impacted by this severe thunderstorm include
Georgetown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3188 9058 3200 9023 3199 9021 3195 9019
      3194 9020 3193 9017 3191 9017 3189 9014
      3186 9013 3184 9016 3183 9013 3180 9015
      3179 9014 3179 9011 3177 9011 3172 9054
TIME...MOT...LOC 2345Z 255DEG 24KT 3182 9048 

HAIL...1.25IN
WIND...60MPH
 
$$

TW
4 follow-up statements
986 
WWUS54 KJAN 162351
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
651 PM CDT Tue Mar 16 2021

MSC029-170045-
/O.CON.KJAN.SV.W.0016.000000T0000Z-210317T0045Z/
Copiah MS-
651 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR EASTERN COPIAH COUNTY...

At 651 PM CDT, a severe thunderstorm was located near Martinsville,
or near Hazlehurst, moving east at 30 mph.

HAZARD...Two inch 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 storm will be near...
  Hazlehurst around 655 PM CDT.
  Gallman around 700 PM CDT.
  Hopewell around 720 PM CDT.
  Rockport around 725 PM CDT.

Other locations impacted by this severe thunderstorm include
Georgetown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3190 9052 3200 9023 3199 9021 3195 9019
      3194 9020 3193 9017 3191 9017 3189 9014
      3186 9013 3184 9016 3183 9013 3180 9015
      3179 9014 3179 9011 3177 9011 3173 9047
TIME...MOT...LOC 2351Z 255DEG 24KT 3183 9043 

HAIL...2.00IN
WIND...60MPH
 
$$

TW
944 
WWUS54 KJAN 170014
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
714 PM CDT Tue Mar 16 2021

MSC029-170045-
/O.CON.KJAN.SV.W.0016.000000T0000Z-210317T0045Z/
Copiah MS-
714 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHEASTERN COPIAH COUNTY...

At 714 PM CDT, a severe thunderstorm was located 7 miles south of
Hopewell, or 7 miles east of Hazlehurst, moving east at 25 mph.

HAZARD...60 mph wind gusts and half dollar 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...
  Rockport around 725 PM CDT.

Other locations impacted by this severe thunderstorm include
Georgetown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3190 9036 3195 9019 3194 9020 3193 9017
      3191 9017 3189 9014 3186 9013 3184 9016
      3183 9013 3180 9015 3179 9014 3179 9011
      3177 9011 3174 9034
TIME...MOT...LOC 0014Z 255DEG 24KT 3185 9026 

HAIL...1.25IN
WIND...60MPH
 
$$

TW
364 
WWUS54 KJAN 170033
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
733 PM CDT Tue Mar 16 2021

MSC029-170045-
/O.CON.KJAN.SV.W.0016.000000T0000Z-210317T0045Z/
Copiah MS-
733 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR EAST CENTRAL COPIAH COUNTY...

At 733 PM CDT, a severe thunderstorm was located over Union, or 8
miles west of Pinola, 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.

This severe thunderstorm will remain over mainly rural areas of east
central Copiah County, including the following locations...
Georgetown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3195 9019 3194 9020 3193 9017 3191 9017
      3189 9014 3186 9013 3184 9016 3183 9013
      3180 9015 3179 9014 3179 9011 3177 9011
      3176 9017 3194 9024
TIME...MOT...LOC 0033Z 255DEG 24KT 3188 9011 

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

TW
722 
WWUS54 KJAN 170039
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
739 PM CDT Tue Mar 16 2021

MSC029-170049-
/O.EXP.KJAN.SV.W.0016.000000T0000Z-210317T0045Z/
Copiah MS-
739 PM CDT Tue Mar 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL COPIAH COUNTY
WILL EXPIRE AT 745 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3195 9019 3194 9020 3193 9017 3191 9017
      3189 9014 3186 9013 3184 9016 3183 9013
      3180 9015 3179 9014 3179 9011 3177 9011
      3176 9017 3194 9024
TIME...MOT...LOC 0039Z 255DEG 24KT 3189 9007 

$$

TW

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 7:23 PM CDTSevere Thunderstorm WarningJANLeake, Scott38 min
Mar 15, 11:39 PM CDTSpecial Weather StatementJANCarroll, Leflore36 min
Mar 15, 11:53 PM CDTSevere Thunderstorm WarningJANGrenada, Montgomery, Webster36 min
Mar 16, 2:54 AM CDTFlash Flood WarningJANClarke6 hr
Mar 16, 6:52 AM CDTSpecial Weather StatementJANJasper38 min
Mar 16, 10:18 AM CDTFlash Flood WarningJANClarke, Jasper3 hr
Mar 16, 11:08 AM CDTFlash Flood WarningJANCovington, Jones, Smith3 hr
Mar 16, 11:49 AM CDTFlash Flood WatchJANClarke, Covington, Jasper, Jefferson Davis, Jones, Lauderdale and 4 more7 hr
Mar 16, 2:40 PM CDTRiver Flood WarningJANJones5 days
Mar 16, 4:50 PM CDTSevere Thunderstorm WarningJANIssaquena40 min
Mar 16, 4:57 PM CDTSpecial Weather StatementJANRankin33 min
Mar 16, 4:58 PM CDTSpecial Weather StatementJANWinston32 min
Mar 16, 5:17 PM CDTSevere Thunderstorm WarningJANWashington43 min
Mar 16, 5:29 PM CDTSpecial Weather StatementJANRankin31 min
Mar 16, 6:34 PM CDTSpecial Weather StatementJANCopiah26 min
Mar 16, 6:59 PM CDTSpecial Weather StatementJANAttala46 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.