Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 262, NWS Jackson, MS

September 1, 20214 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Sep 1, 2021, 5:19 PM CDT for 4 counties in Mississippi. It was in force for 56 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: Sep 1, 2021, 5:19 PM CDT (22:19 UTC)
Expired: Sep 1, 2021, 6:15 PM CDT
In force: 56 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Clarke County, MS, Jasper County, MS, Lauderdale County, MS, Newton County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 105 km from the middle of the area, began a volume at 22:23 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
Sep 1, 5:37 PM CDT	TSTM WND GST 53	Key Field, MS
Sep 1, 5:47 PM CDT	TSTM WND DMG	5 E Basic City, MS	TREE DOWNED NEAR CR 483.
Sep 1, 5:55 PM CDT	TSTM WND DMG	8 E Stonewall, MS	TREE DOWNED ALONG CR 149.
Sep 1, 6:23 PM CDT	TSTM WND DMG	3 Ene Newton, MS	STRUCTURAL DAMAGE AND DOWNED TREES REPORTED ALONG HIGHWAY 80 BETWEEN HICKORY AND NEWTON.

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, 10.3 hours before the alert went out and 114 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: 1115 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 1102 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

582 
WUUS54 KJAN 012219
SVRJAN
MSC023-061-075-101-012315-
/O.NEW.KJAN.SV.W.0262.210901T2219Z-210901T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
519 PM CDT Wed Sep 1 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Northern Jasper County in east central Mississippi...
  Newton County in east central Mississippi...
  Northern Clarke County in east central Mississippi...
  Lauderdale County in east central Mississippi...

* Until 615 PM CDT.

* At 519 PM CDT, severe thunderstorms were located along a line
  extending from near Snell to near Prospect, moving southeast at 35
  mph.

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

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  Snell around 525 PM CDT.
  Stratton around 540 PM CDT.
  Decatur around 545 PM CDT.
  Lawrence around 550 PM CDT.
  Newton around 555 PM CDT.
  Garlandville around 605 PM CDT.

Other locations impacted by these severe thunderstorms include Chunky
and Hickory.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3213 8844 3216 8932 3258 8932 3258 8930
      3242 8841
TIME...MOT...LOC 2219Z 329DEG 32KT 3225 8845 3261 8931 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JNE

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 1, 4:08 AM CDT	Heat Advisory	JAN	Adams, Bolivar, Carroll, Claiborne, Copiah, Franklin and 18 more	15 hr
Sep 1, 1:03 PM CDT	Special Weather Statement	JAN	Lowndes	42 min
Sep 1, 1:10 PM CDT	Severe Thunderstorm Warning	JAN	Lowndes	38 min
Sep 1, 2:37 PM CDT	Special Weather Statement	JAN	Noxubee	23 min
Sep 1, 2:46 PM CDT	Special Weather Statement	JAN	Clay	29 min
Sep 1, 3:13 PM CDT	Special Weather Statement	JAN	Choctaw	32 min
Sep 1, 3:25 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Lowndes, Noxubee, Oktibbeha	50 min
Sep 1, 3:30 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Choctaw, Winston	45 min
Sep 1, 3:34 PM CDT	Special Weather Statement	JAN	Carroll	41 min
Sep 1, 4:02 PM CDT	Special Weather Statement	JAN	Carroll, Holmes	43 min
Sep 1, 4:20 PM CDT	Severe Thunderstorm Warning	JAN	Kemper, Noxubee	40 min
Sep 1, 4:35 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Carroll, Holmes, Leake, Madison, Yazoo	40 min
Sep 1, 4:42 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Kemper, Lauderdale, Leake, Neshoba, Newton and 1 more	48 min
Sep 1, 5:00 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	45 min
Sep 1, 5:04 PM CDT	Severe Thunderstorm Warning	JAN	Holmes, Humphreys, Yazoo	41 min
Sep 1, 5:07 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Madison, Rankin, Scott, Yazoo	68 min
Sep 1, 5:34 PM CDT	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale, Leake, Neshoba, Newton	34 min
Sep 1, 5:45 PM CDT	Severe Thunderstorm Warning	JAN	Madison, Yazoo	60 min
Sep 1, 6:05 PM CDT	Special Weather Statement	JAN	Clarke, Jasper, Rankin, Scott, Simpson, Smith	55 min
Sep 1, 6:14 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Rankin, Simpson	76 min
Sep 1, 6:15 PM CDT	Severe Thunderstorm Warning	JAN	Clarke, Jasper, Lauderdale, Newton	60 min
Sep 1, 6:37 PM CDT	Severe Thunderstorm Warning	JAN	Clarke, Jasper, Simpson, Smith	53 min

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.