Alert archive / Mississippi / Special Weather Statements in 2021
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Jul 17, 2021, 3:21 PM CDT for Copiah County, Mississippi. It was in force for 24 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
- Jul 17, 2021, 3:21 PM CDT (20:21 UTC)
- Expired
- Jul 17, 2021, 3:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Jackson, MS
County Copiah County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 75 km from the middle of the area, began a volume at 20:23 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.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 8.4 hours before the alert went out and 71 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
- 528 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 853 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
421
WWUS84 KJAN 172021
SPSJAN
Special Weather Statement
National Weather Service Jackson MS
321 PM CDT Sat Jul 17 2021
MSZ054-172045-
Copiah MS-
321 PM CDT Sat Jul 17 2021
...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN COPIAH COUNTY UNTIL
345 PM CDT...
At 321 PM CDT, Meteorologists were tracking a strong thunderstorm
near Barlow, or 10 miles west of Hazlehurst, moving southeast at 15
mph.
Winds in excess of 40 mph will be possible with this storm.
This strong thunderstorm will be near...
Hazlehurst and Glancy around 340 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
High winds can bring down trees and large limbs resulting in serious
injury or property damage. Exercise extreme caution when outdoors
during such strong winds...and be especially aware of older trees.
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 3188 9071 3197 9056 3187 9037 3176 9047
3171 9070
TIME...MOT...LOC 2021Z 314DEG 15KT 3186 9058
$$
CMEThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 11:23 AM CDT | Special Weather Statement | JAN | Madison | 52 min |
| Jul 17, 11:41 AM CDT | Special Weather Statement | JAN | Newton | 34 min |
| Jul 17, 12:17 PM CDT | Special Weather Statement | JAN | Jasper, Lauderdale, Neshoba, Newton, Rankin, Scott and 1 more | 43 min |
| Jul 17, 1:17 PM CDT | Special Weather Statement | JAN | Clarke | 43 min |
| Jul 17, 2:42 PM CDT | Special Weather Statement | JAN | Hinds | 33 min |
| Jul 17, 3:46 PM CDT | Special Weather Statement | JAN | Lawrence | 44 min |
| Jul 17, 4:31 PM CDT | Special Weather Statement | JAN | Simpson | 14 min |
| Jul 16, 9:01 PM CDT | Special Weather Statement | JAN | Morehouse | 44 min |
| Jul 16, 9:24 PM CDT | Special Weather Statement | JAN | Morehouse | 51 min |
| Jul 16, 10:14 PM CDT | Special Weather Statement | JAN | Morehouse, Richland, West Carroll | 46 min |
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.