Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 82, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Aug 19, 2021, 7:34 PM CDT for Jones County, Mississippi. It was in force for 100 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, 7:34 PM CDT (00:34 UTC)
- Expired
- Aug 19, 2021, 9:14 PM CDT
- In force
- 100 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
County Jones County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 107 km from the middle of the area, began a volume at 00:33 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, 0.6 hours before the alert went out and 117 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.
026
WGUS54 KJAN 200034
FFWJAN
MSC067-200330-
/O.NEW.KJAN.FF.W.0082.210820T0034Z-210820T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
734 PM CDT Thu Aug 19 2021
The National Weather Service in Jackson has issued a
* Flash Flood Warning for...
Jones County in southeastern Mississippi...
* Until 1030 PM CDT.
* At 734 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have already fallen. The expected rainfall rate is 1 to 3 inches
per hour. Additional rainfall amounts of 1 to 3 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...
Laurel, Ellisville, Sandersville, Tuckers Crossing, Hebron, Mill
Creek and Soso.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3164 8894 3148 8912 3156 8940 3180 8940
3182 8894
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-3 INCHES IN 1 HOUR
$$
NF1 follow-up statement
137
WGUS74 KJAN 200214
FFSJAN
Flash Flood Statement
National Weather Service Jackson MS
914 PM CDT Thu Aug 19 2021
MSC067-200224-
/O.CAN.KJAN.FF.W.0082.000000T0000Z-210820T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jones MS-
914 PM CDT Thu Aug 19 2021
...FLASH FLOOD WARNING IS CANCELLED FOR JONES COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3164 8894 3148 8912 3156 8940 3180 8940
3182 8894
$$
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, 7:41 PM CDT | Special Weather Statement | JAN | Rankin | 34 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
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.