Alert archive / Mississippi / Special Weather Statements in 2021
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Aug 19, 2021, 7:41 PM CDT for Rankin County, Mississippi. It was in force for 34 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 19, 2021, 7:41 PM CDT (00:41 UTC)
- Expired
- Aug 19, 2021, 8:15 PM CDT
- In force
- 34 min
- Issued by
- NWS Jackson, MS
- Hail
- 0.00 in
- Wind
- 40
County Rankin County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 21 km from the middle of the area, began a volume at 00:44 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 00:00Z, 0.7 hours before the alert went out and 15 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
- 413 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 1178 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
689
WWUS84 KJAN 200041
SPSJAN
Special Weather Statement
National Weather Service Jackson MS
741 PM CDT Thu Aug 19 2021
MSZ048-049-200115-
Hinds MS-Rankin MS-
741 PM CDT Thu Aug 19 2021
...A strong thunderstorm will impact portions of southwestern Rankin
and southeastern Hinds Counties through 815 PM CDT...
At 741 PM CDT, Doppler radar was tracking a strong thunderstorm over
Byram, moving northeast at 35 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Jackson, Pearl, Brandon, Byram, Flowood, Richland, Florence, Terry,
Whites and Monterey.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3214 9038 3240 9016 3240 9010 3223 8993
3205 9023
TIME...MOT...LOC 0041Z 227DEG 29KT 3219 9024
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
NFThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 7:28 PM CDT | Flash Flood Warning | JAN | Scott, Smith | 3 hr |
| Aug 19, 7:34 PM CDT | Flash Flood Warning | JAN | Jones | 100 min |
| Aug 20, 3:05 PM CDT | Heat Advisory | JAN | Adams, Attala, Bolivar, Carroll, Claiborne, Copiah and 28 more | 3 days |
| Aug 20, 3:47 PM CDT | Special Weather Statement | JAN | Forrest, Lamar | 43 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.