Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 249, NWS Jackson, MS

August 1, 2021Lauderdale County, Newton County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Aug 1, 2021, 8:27 PM CDT for Lauderdale County, Newton County, Mississippi. It was in force for 48 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
Aug 1, 2021, 8:27 PM CDT (01:27 UTC)
Expired
Aug 1, 2021, 9:15 PM CDT
In force
48 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Lauderdale County, MS, Newton County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 102 km from the middle of the area, began a volume at 01:29 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

Birmingham, AL (KBMX), launched 00:00Z, 1.5 hours before the alert went out and 217 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, Birmingham, AL at 00:00Z on 2021-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 941 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, Birmingham, AL at 00:00Z on 2021-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939Sfc1 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
941 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1260 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

847 
WUUS54 KJAN 020127
SVRJAN
MSC075-101-020215-
/O.NEW.KJAN.SV.W.0249.210802T0127Z-210802T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
827 PM CDT Sun Aug 1 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Eastern Newton County in east central Mississippi...
  Southwestern Lauderdale County in east central Mississippi...

* Until 915 PM CDT.

* At 827 PM CDT, a severe thunderstorm was located near Duffee, or 13
  miles northeast of Newton, moving southeast at 20 mph.

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

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Suqualena around 850 PM CDT.
  Meehan around 900 PM CDT.
  Meridian and Nellieburg around 905 PM CDT.

Other locations impacted by this severe thunderstorm include Chunky
and Hickory.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3222 8882 3222 8883 3237 8918 3258 8902
      3258 8898 3245 8866
TIME...MOT...LOC 0127Z 299DEG 19KT 3245 8900 

HAIL...0.88IN
WIND...60MPH
 
$$

JNE
1 follow-up statement
391 
WWUS54 KJAN 020201
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
901 PM CDT Sun Aug 1 2021

MSC101-020210-
/O.CAN.KJAN.SV.W.0249.000000T0000Z-210802T0215Z/
Newton MS-
901 PM CDT Sun Aug 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN NEWTON COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled.

LAT...LON 3222 8882 3222 8884 3226 8891 3237 8892
      3252 8883 3245 8866
TIME...MOT...LOC 0200Z 299DEG 19KT 3238 8885 

$$

MSC075-020215-
/O.CON.KJAN.SV.W.0249.000000T0000Z-210802T0215Z/
Lauderdale MS-
901 PM CDT Sun Aug 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR SOUTHWESTERN LAUDERDALE COUNTY...

At 900 PM CDT, a severe thunderstorm was located near Meehan, or 7
miles west of Meridian, moving southeast at 20 mph.

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

SOURCE...Radar indicated.

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

This severe storm will be near...
  Meridian and Nellieburg around 910 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3222 8882 3222 8884 3226 8891 3237 8892
      3252 8883 3245 8866
TIME...MOT...LOC 0200Z 299DEG 19KT 3238 8885 

HAIL...0.88IN
WIND...60MPH
 
$$

JNE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 7:21 PM CDTSpecial Weather StatementJANClay, Lowndes24 min
Aug 1, 7:43 PM CDTSpecial Weather StatementJANClarke47 min
Aug 1, 7:53 PM CDTSpecial Weather StatementJANNewton52 min
Aug 1, 8:03 PM CDTSpecial Weather StatementJANClarke27 min
Aug 1, 8:35 PM CDTSpecial Weather StatementJANClarke25 min
Aug 1, 8:55 PM CDTSpecial Weather StatementJANHolmes50 min
Aug 1, 11:48 PM CDTSpecial Weather StatementJANWarren27 min
Aug 2, 4:13 PM CDTFlash Flood WarningJANForrest, Lamar2 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.