Alert archive / Mississippi / Special Weather Statements in 2017
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Aug 6, 2017, 3:21 PM CDT for Hinds County, Mississippi. It was in force for 54 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 6, 2017, 3:21 PM CDT (20:21 UTC)
- Expired
- Aug 6, 2017, 4:15 PM CDT
- In force
- 54 min
- Issued by
- NWS Jackson, MS
County Hinds County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 47 km from the middle of the area, began a volume at 20:21 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 42 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
- 913 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 510 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
074
WWUS84 KJAN 062021
SPSJAN
Special Weather Statement
National Weather Service Jackson MS
321 PM CDT SUN AUG 6 2017
MSZ048-054-062115-
Copiah MS-Hinds MS-
321 PM CDT SUN AUG 6 2017
...A STRONG THUNDERSTORM WILL AFFECT SOUTH CENTRAL HINDS AND
NORTHWESTERN COPIAH COUNTIES UNTIL 415 PM CDT...
At 320 PM CDT, Meteorologists were tracking a strong thunderstorm
over Dentville, or 11 miles west of Crystal Springs, moving northeast
at 25 mph.
Winds in excess of 40 mph will be possible with this storm.
This strong thunderstorm will be near...
Dry Grove around 350 PM CDT.
Terry around 400 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
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 3199 9068 3224 9036 3212 9024 3211 9025
3210 9024 3209 9025 3191 9061
TIME...MOT...LOC 2020Z 231DEG 21KT 3200 9056
$$
19The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 8:24 PM CDT | Special Weather Statement | JAN | Madison | 51 min |
| Aug 6, 2:19 PM CDT | Special Weather Statement | JAN | Lawrence | 41 min |
| Aug 6, 2:38 PM CDT | Special Weather Statement | JAN | Copiah | 52 min |
| Aug 6, 3:11 PM CDT | Special Weather Statement | JAN | Copiah | 49 min |
| Aug 6, 3:58 PM CDT | Special Weather Statement | JAN | Hinds, Rankin | 62 min |
| Aug 6, 4:39 PM CDT | Special Weather Statement | JAN | Webster | 51 min |
| Aug 6, 4:45 PM CDT | Special Weather Statement | JAN | Grenada | 30 min |
| Aug 6, 4:53 PM CDT | Severe Thunderstorm Warning | JAN | Webster | 33 min |
| Aug 6, 5:11 PM CDT | Severe Thunderstorm Warning | JAN | Clay | 23 min |
| Aug 6, 5:13 PM CDT | Special Weather Statement | JAN | Oktibbeha | 47 min |
| Aug 6, 5:19 PM CDT | Severe Thunderstorm Warning | JAN | Oktibbeha | 24 min |
| Aug 6, 5:42 PM CDT | Special Weather Statement | JAN | Montgomery | 48 min |
| Aug 6, 5:47 PM CDT | Special Weather Statement | JAN | Clay | 43 min |
| Aug 6, 6:23 PM CDT | Special Weather Statement | JAN | Attala, Choctaw, Webster | 52 min |
| Aug 6, 6:47 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw | 38 min |
| Aug 6, 2:10 PM CDT | Special Weather Statement | JAN | Tensas | 50 min |
Nearby
Special Weather Statements in Mississippi, 2017Every special weather statement in 2017
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.