Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 73, NWS Jackson, MS

April 9, 2021Jasper County, Smith County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 9, 2021, 4:50 PM CDT for Jasper County, Smith County, Mississippi. It was in force for 55 min. 5 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, 4:50 PM CDT (21:50 UTC)
Expired
Apr 9, 2021, 5:45 PM CDT
In force
55 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Jasper County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 78 km from the middle of the area, began a volume at 21:49 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
Apr 9, 4:53 PM CDTHAIL 1Stringer, MSSOCIAL MEDIA VIDEO SHOWS DIME TO QUARTER SIZED HAIL FALLING IN STRINGER.
Apr 9, 4:53 PM CDTHAIL 1.25Stringer, MSSOCIAL MEDIA VIDEO SHOWS HAIL SOMEWHAT LARGER THAN QUARTERS NEAR STRINGER.
Apr 9, 5:09 PM CDTTSTM WND DMG3 Nne Bay Springs, MSTREE DOWN CR 1519 AND CR 1529.
Apr 9, 5:13 PM CDTHAIL 1.251 Ese Louin, MSSOCIAL MEDIA VIDEO SHOWS HAIL AT LEAST MARGINALLY LARGER THAN QUARTERS IN LOUIN.
Apr 9, 5:30 PM CDTHAIL 1.755 E Montrose, MSSOCIAL MEDIA PHOTOGRAPH OF HAIL ALMOST 2 TIMES THE SIZE OF A QUARTER SIDE BY SIDE.

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.

IssuedProductOfficeLasted
Apr 9, 3:42 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.8 hours before the alert went out and 88 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 2021-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1659 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 2021-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
1659 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
787 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
150 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.4

Open this sounding in Storm Lab

The text

As transmitted.

365 
WUUS54 KJAN 092150
SVRJAN
MSC061-129-092245-
/O.NEW.KJAN.SV.W.0073.210409T2150Z-210409T2245Z/

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

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Western Jasper County in east central Mississippi...
  Southeastern Smith County in central Mississippi...

* Until 545 PM CDT.

* At 450 PM CDT, a severe thunderstorm was located over Stringer,
  moving north 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.

* This severe thunderstorm will be near...
  Bay Springs around 510 PM CDT.
  Turnerville around 520 PM CDT.

Other locations impacted by this severe thunderstorm include Montrose
and Louin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3182 8923 3182 8940 3214 8936 3213 8904
TIME...MOT...LOC 2150Z 201DEG 18KT 3188 8931 

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

CME
4 follow-up statements
907 
WWUS54 KJAN 092157
SVSJAN

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

MSC061-129-092245-
/O.CON.KJAN.SV.W.0073.000000T0000Z-210409T2245Z/
Jasper MS-Smith MS-
457 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR WESTERN JASPER AND EAST CENTRAL SMITH COUNTIES...

At 457 PM CDT, a severe thunderstorm was located near Bay Springs, or
near Stringer, moving north at 25 mph.

HAZARD...Ping pong 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 storm will be near...
  Turnerville around 515 PM CDT.

Other locations impacted by this severe thunderstorm include Montrose
and Louin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3189 8921 3190 8937 3214 8936 3213 8904
TIME...MOT...LOC 2157Z 200DEG 22KT 3193 8927 

HAIL...1.50IN
WIND...60MPH
 
$$

CME
202 
WWUS54 KJAN 092206
SVSJAN

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

MSC129-092216-
/O.CAN.KJAN.SV.W.0073.000000T0000Z-210409T2245Z/
Smith MS-
506 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SMITH COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
east central Mississippi.

LAT...LON 3193 8920 3196 8931 3214 8929 3213 8914
      3213 8907
TIME...MOT...LOC 2206Z 201DEG 18KT 3197 8925 

$$

MSC061-092245-
/O.CON.KJAN.SV.W.0073.000000T0000Z-210409T2245Z/
Jasper MS-
506 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR NORTHWESTERN JASPER COUNTY...

At 506 PM CDT, a severe thunderstorm was located over Bay Springs, or
7 miles north of Stringer, moving north at 20 mph.

HAZARD...Ping pong 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 storm will be near...
  Turnerville around 520 PM CDT.

Other locations impacted by this severe thunderstorm include Montrose
and Louin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3193 8920 3196 8931 3214 8929 3213 8914
      3213 8907
TIME...MOT...LOC 2206Z 201DEG 18KT 3197 8925 

HAIL...1.50IN
WIND...60MPH
 
$$

CME
193 
WWUS54 KJAN 092216
SVSJAN

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

MSC061-092245-
/O.CON.KJAN.SV.W.0073.000000T0000Z-210409T2245Z/
Jasper MS-
516 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR NORTHWESTERN JASPER COUNTY...

At 516 PM CDT, a severe thunderstorm was located over Turnerville, or
12 miles north of Stringer, moving north at 25 mph.

HAZARD...Ping pong 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 remain over mainly rural areas of
northwestern Jasper County, including the following locations...
Montrose and Louin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3198 8917 3201 8928 3214 8926 3213 8914
      3213 8907
TIME...MOT...LOC 2216Z 201DEG 20KT 3204 8922 

HAIL...1.50IN
WIND...60MPH
 
$$

CME
644 
WWUS54 KJAN 092229
SVSJAN

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

MSC061-092245-
/O.CON.KJAN.SV.W.0073.000000T0000Z-210409T2245Z/
Jasper MS-
529 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR NORTHWESTERN JASPER COUNTY...

At 529 PM CDT, a severe thunderstorm was located near Turnerville, or
13 miles south of Newton, moving northeast at 20 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.

Locations impacted include...
Montrose.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3202 8914 3207 8926 3214 8926 3213 8914
      3213 8907
TIME...MOT...LOC 2229Z 203DEG 19KT 3212 8916 

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

CME

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 10:45 AM CDTRiver Flood WarningJANNeshoba6 days
Apr 9, 10:47 AM CDTRiver Flood WarningJANLeake5 days
Apr 9, 10:48 AM CDTRiver Flood WarningJANLawrence8 days
Apr 9, 10:49 AM CDTRiver Flood WarningJANJones7 days
Apr 9, 10:53 AM CDTRiver Flood WarningJANClay23 hr
Apr 9, 3:22 PM CDTSpecial Weather StatementJANClarke23 min
Apr 9, 4:17 PM CDTSpecial Weather StatementJANCovington43 min
Apr 9, 4:55 PM CDTSevere Thunderstorm WarningJANBolivar, Sunflower, Washington95 min
Apr 9, 5:19 PM CDTSevere Thunderstorm WarningJANJasper, Newton56 min
Apr 9, 5:46 PM CDTSevere Thunderstorm WarningJANLowndes59 min
Apr 9, 5:58 PM CDTSevere Thunderstorm WarningJANKemper, Lauderdale, Neshoba, Newton47 min
Apr 9, 6:00 PM CDTSevere Thunderstorm WarningJANSharkey, Washington60 min
Apr 9, 6:16 PM CDTSevere Thunderstorm WarningJANNeshoba, Winston59 min
Apr 9, 6:27 PM CDTSpecial Weather StatementJANLeflore48 min
Apr 9, 6:47 PM CDTSpecial Weather StatementJANHumphreys43 min
Apr 9, 6:52 PM CDTSevere Thunderstorm WarningJANIssaquena, Washington68 min
Apr 9, 6:55 PM CDTSpecial Weather StatementJANCarroll, Grenada50 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.