Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 84, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Aug 30, 2021, 5:35 AM CDT for Lawrence County, Lincoln County, Mississippi. It was in force for 3 hr. 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 30, 2021, 5:35 AM CDT (10:35 UTC)
- Expired
- Aug 30, 2021, 9:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Lawrence County, MS, Lincoln County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 87 km from the middle of the area, began a volume at 10:38 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, 10.6 hours before the alert went out and 89 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
- 91 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 697 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
879
WGUS54 KJAN 301035
FFWJAN
MSC077-085-301400-
/O.NEW.KJAN.FF.W.0084.210830T1035Z-210830T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
535 AM CDT Mon Aug 30 2021
The National Weather Service in Jackson has issued a
* Flash Flood Warning for...
Lawrence County in south central Mississippi...
Lincoln County in south central Mississippi...
* Until 900 AM CDT.
* At 535 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Brookhaven, Monticello, Enterprise, East Lincoln, Sontag, Ruth,
Topeka, Bogue Chitto, Wanilla, Jayess, Robinwood, Oma, Loyd Star,
West Lincoln, Vaughn, Arm, Tilton, Center Point, Oak Vale and
Caseyville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3161 9074 3170 9073 3170 9041 3169 9041
3169 9038 3170 9038 3170 9028 3175 9014
3176 8997 3152 8998 3152 8996 3139 8996
3139 9004 3134 9004 3133 9005 3134 9009
3135 9011 3135 9062 3137 9063 3161 9063
FLASH FLOOD...RADAR INDICATED
$$
CMEThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 3:32 AM CDT | Flash Flood Warning | JAN | Forrest, Lamar, Marion | 6 hr |
| Aug 30, 6:00 AM CDT | Flash Flood Warning | JAN | Covington, Jefferson Davis | 4 hr |
| Aug 30, 6:41 AM CDT | Flash Flood Warning | JAN | Copiah, Simpson | 4 hr |
| Aug 30, 7:08 AM CDT | Flash Flood Warning | JAN | Jones | 4 hr |
| Aug 30, 8:14 AM CDT | Flash Flood Warning | JAN | Rankin, Smith | 4 hr |
| Aug 30, 8:21 AM CDT | Flash Flood Warning | JAN | Rankin, Smith | 4 hr |
| Aug 30, 8:33 AM CDT | Flash Flood Warning | JAN | Covington, Hinds, Jasper, Jones, Rankin, Scott and 2 more | 4 hr |
| Aug 30, 12:38 PM CDT | Special Weather Statement | JAN | Madison | 22 min |
| Aug 30, 3:17 PM CDT | Flash Flood Warning | JAN | Lauderdale | 118 min |
| Aug 30, 4:33 PM CDT | Flash Flood Warning | JAN | Kemper, Noxubee | 2 hr |
| Aug 30, 5:01 PM CDT | Flash Flood Warning | JAN | Clarke, Lauderdale | 3 hr |
Nearby
Flash Flood Warnings in Mississippi, 2021Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.