Alert archive / Mississippi / Special Weather Statements in 2021
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Aug 1, 2021, 8:03 PM CDT for Clarke County, Mississippi. It was in force for 27 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, 8:03 PM CDT (01:03 UTC)
- Expired
- Aug 1, 2021, 8:30 PM CDT
- In force
- 27 min
- Issued by
- NWS Jackson, MS
County Clarke County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 117 km from the middle of the area, began a volume at 01:04 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, 1.1 hours before the alert went out and 214 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.
- 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
The text
As transmitted.
585 WWUS84 KJAN 020103 SPSJAN Special Weather Statement National Weather Service Jackson MS 803 PM CDT Sun Aug 1 2021 MSZ052-058-020130- Lauderdale MS-Clarke MS- 803 PM CDT Sun Aug 1 2021 ...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN CLARKE AND SOUTHWESTERN LAUDERDALE COUNTIES UNTIL 830 PM CDT... At 803 PM CDT, Meteorologists were tracking a strong thunderstorm near Stonewall, or 10 miles northwest of Quitman, moving southeast at 20 mph. Nickel size hail and winds in excess of 40 mph will be possible with this storm. This strong thunderstorm will be near... Sable around 815 PM CDT. Middleton around 830 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 3217 8888 3231 8880 3222 8851 3206 8865 TIME...MOT...LOC 0103Z 299DEG 19KT 3218 8879 $$ JNE
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 7:21 PM CDT | Special Weather Statement | JAN | Clay, Lowndes | 24 min |
| Aug 1, 7:43 PM CDT | Special Weather Statement | JAN | Clarke | 47 min |
| Aug 1, 7:53 PM CDT | Special Weather Statement | JAN | Newton | 52 min |
| Aug 1, 8:27 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale, Newton | 48 min |
| Aug 1, 8:35 PM CDT | Special Weather Statement | JAN | Clarke | 25 min |
| Aug 1, 8:55 PM CDT | Special Weather Statement | JAN | Holmes | 50 min |
| Aug 1, 11:48 PM CDT | Special Weather Statement | JAN | Warren | 27 min |
| Aug 2, 4:13 PM CDT | Flash Flood Warning | JAN | Forrest, Lamar | 2 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.