Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, MS

August 1, 2021Newton County, Mississippi

NWS Jackson, MS issued this special weather statement at Aug 1, 2021, 7:53 PM CDT for Newton County, Mississippi. It was in force for 52 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, 7:53 PM CDT (00:53 UTC)
Expired
Aug 1, 2021, 8:45 PM CDT
In force
52 min
Issued by
NWS Jackson, MS

County Newton County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 79 km from the middle of the area, began a volume at 00:55 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, 0.9 hours before the alert went out and 237 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.

849 
WWUS84 KJAN 020053
SPSJAN

Special Weather Statement
National Weather Service Jackson MS
753 PM CDT Sun Aug 1 2021
 
MSZ045-050-051-020145-
Scott MS-Newton MS-Neshoba MS-
753 PM CDT Sun Aug 1 2021

...A STRONG THUNDERSTORM WILL AFFECT NEWTON...EAST CENTRAL SCOTT AND
SOUTHWESTERN NESHOBA COUNTIES UNTIL 845 PM CDT...

At 753 PM CDT, Meteorologists were tracking a strong thunderstorm
over Prospect, moving southeast at 20 mph.

Dime size hail and winds in excess of 40 mph will be possible with
this storm.

This strong thunderstorm will be near...
  Neshoba around 800 PM CDT.
  Stratton around 815 PM CDT.
  Decatur around 820 PM CDT.
  Little Rock around 825 PM CDT.
  Duffee around 845 PM CDT.

Other locations impacted by this storm include Sebastopol.

LAT...LON 3232 8899 3237 8941 3252 8938 3258 8933
      3258 8932 3259 8932 3270 8923 3256 8891
      3249 8892
TIME...MOT...LOC 0053Z 299DEG 19KT 3256 8924 

$$

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, 8:03 PM CDTSpecial Weather StatementJANClarke27 min
Aug 1, 8:27 PM CDTSevere Thunderstorm WarningJANLauderdale, Newton48 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

Special Weather Statements in Mississippi, 2021Every special weather statement 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.