Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 102, NWS Jackson, MS

April 9, 2021Copiah County, Hinds County, Rankin County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 9, 2021, 10:19 PM CDT for Copiah County, Hinds County, Rankin County, Mississippi. It was in force for 27 min. 3 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: Apr 9, 2021, 10:19 PM CDT (03:19 UTC)
Expired: Apr 9, 2021, 10:46 PM CDT
In force: 27 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Copiah County, MS, Hinds County, MS, Rankin County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 37 km from the middle of the area, began a volume at 03:23 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
Apr 9, 10:23 PM CDT	HAIL 1	2 N Crystal Springs, MS	QUARTER SIZE HAIL REPORTED BY TRAINED SPOTTER IN CRYSTAL SPRINGS.
Apr 9, 10:30 PM CDT	HAIL 0.25	3 Nne Crystal Springs, MS
Apr 9, 10:34 PM CDT	TSTM WND DMG	Florence, MS	WIND DAMAGE TO GAS STATION - SOCIAL MEDIA PICTURE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 9, 3:42 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 3.3 hours before the alert went out and 35 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: 2299 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1555 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 70 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

As transmitted.

150 
WUUS54 KJAN 100319
SVRJAN
MSC029-049-121-100400-
/O.NEW.KJAN.SV.W.0102.210410T0319Z-210410T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
1019 PM CDT Fri Apr 9 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Southwestern Rankin County in central Mississippi...
  Southeastern Hinds County in central Mississippi...
  North central Copiah County in central Mississippi...

* Until 1100 PM CDT.

* At 1019 PM CDT, a severe thunderstorm was located over Crystal
  Springs, moving northeast 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 be near...
  Terry around 1030 PM CDT.
  Whites around 1035 PM CDT.
  Byram around 1040 PM CDT.
  Florence around 1050 PM CDT.
  Richland and Monterey around 1055 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3199 9048 3229 9023 3218 9003 3205 9019
      3205 9023 3203 9025 3202 9023 3202 9022
      3191 9035
TIME...MOT...LOC 0319Z 221DEG 28KT 3202 9035 

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

TW

1 follow-up statement

428 
WWUS54 KJAN 100346
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1046 PM CDT Fri Apr 9 2021

MSC029-049-121-100356-
/O.CAN.KJAN.SV.W.0102.000000T0000Z-210410T0400Z/
Rankin MS-Hinds MS-Copiah MS-
1046 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN RANKIN...
SOUTHEASTERN HINDS AND NORTH CENTRAL COPIAH COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
central Mississippi.

LAT...LON 3199 9048 3229 9023 3218 9003 3205 9019
      3205 9023 3203 9025 3202 9023 3202 9022
      3191 9035
TIME...MOT...LOC 0344Z 221DEG 28KT 3218 9018 

$$

TW

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 7:29 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Rankin, Scott	61 min
Apr 9, 7:37 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Carroll, Choctaw, Montgomery, Webster	98 min
Apr 9, 7:38 PM CDT	Severe Thunderstorm Warning	JAN	Rankin, Scott, Smith	67 min
Apr 9, 7:40 PM CDT	Special Weather Statement	JAN	Washington	35 min
Apr 9, 7:48 PM CDT	Severe Thunderstorm Warning	JAN	Neshoba, Winston	57 min
Apr 9, 7:57 PM CDT	Severe Thunderstorm Warning	JAN	Grenada, Montgomery, Webster	51 min
Apr 9, 8:10 PM CDT	Severe Thunderstorm Warning	JAN	Madison, Rankin	65 min
Apr 9, 8:14 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Oktibbeha	46 min
Apr 9, 8:26 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Warren, Yazoo	49 min
Apr 9, 8:29 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Leake	61 min
Apr 9, 8:34 PM CDT	Tornado Warning	JAN	Rankin, Scott	34 min
Apr 9, 8:46 PM CDT	Severe Thunderstorm Warning	JAN	Neshoba, Winston	59 min
Apr 9, 8:49 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Warren	41 min
Apr 9, 9:09 PM CDT	Severe Thunderstorm Warning	JAN	Madison, Rankin, Scott	51 min
Apr 9, 9:33 PM CDT	Flash Flood Warning	JAN	Hinds, Madison, Rankin	3 hr
Apr 9, 9:43 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee, Winston	92 min
Apr 9, 10:06 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Newton, Scott, Smith	54 min
Apr 9, 10:53 PM CDT	Flash Flood Warning	JAN	Rankin, Scott, Smith	2 hr
Apr 9, 10:57 PM CDT	Special Weather Statement	JAN	Claiborne, Copiah, Hinds, Jefferson, Warren	33 min
Apr 9, 11:38 PM CDT	Special Weather Statement	JAN	Copiah, Hinds, Lawrence, Lincoln, Rankin	37 min
Apr 9, 11:45 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Newton, Scott, Smith	45 min
Apr 9, 11:52 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence, Lincoln	38 min
Apr 10, 12:01 AM CDT	Flash Flood Warning	JAN	Adams, Franklin, Jefferson, Lincoln	3 hr
Apr 10, 12:29 AM CDT	Special Weather Statement	JAN	Clarke, Lauderdale	31 min
Apr 10, 12:31 AM CDT	Tornado Warning	JAN	Jefferson Davis, Lamar, Marion	44 min
Apr 10, 12:50 AM CDT	Severe Thunderstorm Warning	JAN	Clarke, Jasper	55 min
Apr 10, 12:53 AM CDT	Flash Flood Warning	JAN	Covington, Jasper, Jefferson Davis, Jones, Lawrence, Simpson and 1 more	3 hr
Apr 10, 1:02 AM CDT	Tornado Warning	JAN	Forrest, Lamar	38 min
Apr 10, 1:09 AM CDT	Flash Flood Warning	JAN	Clarke, Lauderdale	3 hr
Apr 10, 1:48 AM CDT	Flash Flood Warning	JAN	Forrest, Jones, Lamar, Marion	3 hr
Apr 10, 2:17 AM CDT	Special Weather Statement	JAN	Claiborne, Franklin, Jefferson	28 min
Apr 10, 2:53 AM CDT	Flash Flood Warning	JAN	Adams	118 min
Apr 10, 3:43 AM CDT	Special Weather Statement	JAN	Lamar, Marion	47 min
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Leake	7 days
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Leake	6 days
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Attala	24 hr
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Leake	4 days
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Leake	24 hr
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Madison, Rankin	24 hr
Apr 10, 9:32 AM CDT	River Flood Warning	JAN	Hinds, Rankin	5 days
Apr 10, 9:36 AM CDT	River Flood Warning	JAN	Noxubee	3 days
Apr 10, 9:40 AM CDT	River Flood Warning	JAN	Copiah, Simpson	21 days
Apr 10, 9:40 AM CDT	River Flood Warning	JAN	Simpson	35 hr
Apr 10, 9:40 AM CDT	River Flood Warning	JAN	Marion	21 days
Apr 10, 10:44 AM CDT	River Flood Warning	JAN	Clarke	3 days

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.