Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 104, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Oct 3, 2021, 8:55 PM CDT for Neshoba County, Mississippi. It was in force for 2 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Oct 3, 2021, 8:55 PM CDT (01:55 UTC)
- Expired
- Oct 3, 2021, 11:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
County Neshoba County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 84 km from the middle of the area, began a volume at 01:56 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 3, 9:30 PM CDT | FLASH FLOOD | 1 E Dixon, MS | CR-341 NEARLY IMPASSABLE DUE TO FLOODED ROAD. |
| Oct 3, 10:48 PM CDT | FLASH FLOOD | 1 Ssw Dixon, MS | CR-129 IS IMPASSABLE. ROAD REMAINS FLOODED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 1.9 hours before the alert went out and 90 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
- 1231 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1141 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted.
796
WGUS54 KJAN 040155
FFWJAN
MSC099-040400-
/O.NEW.KJAN.FF.W.0104.211004T0155Z-211004T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
855 PM CDT Sun Oct 3 2021
The National Weather Service in Jackson has issued a
* Flash Flood Warning for...
Southwestern Neshoba County in east central Mississippi...
* Until 1100 PM CDT.
* At 855 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain in southwest Neshoba County. Between 2 and 4.5 inches
of rain have fallen. 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...
Neshoba, Dixon and Dowdville.
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 3270 8932 3272 8924 3272 8907 3264 8902
3258 8916 3258 8932
FLASH FLOOD...RADAR INDICATED
$$
DC2 follow-up statements
855
WGUS74 KJAN 040254
FFSJAN
Flash Flood Statement
National Weather Service Jackson MS
954 PM CDT Sun Oct 3 2021
MSC099-040400-
/O.CON.KJAN.FF.W.0104.000000T0000Z-211004T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Neshoba MS-
954 PM CDT Sun Oct 3 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 11 PM CDT THIS
EVENING FOR SOUTHWESTERN NESHOBA COUNTY...
At 954 PM CDT, local law enforcement reported flash flooding in
southwest Neshoba County. Between 3 and 5 inches of rain have
fallen. Flash flooding is already occurring.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Law enforcement reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Neshoba, Dixon and Dowdville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3270 8932 3272 8924 3272 8907 3264 8902
3258 8916 3258 8932
FLASH FLOOD...OBSERVED
$$
DC025
WGUS74 KJAN 040355
FFSJAN
Flash Flood Statement
National Weather Service Jackson MS
1055 PM CDT Sun Oct 3 2021
MSC099-040405-
/O.EXP.KJAN.FF.W.0104.000000T0000Z-211004T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Neshoba MS-
1055 PM CDT Sun Oct 3 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 11 PM CDT THIS EVENING FOR
SOUTHWESTERN NESHOBA COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3270 8932 3272 8924 3272 8907 3264 8902
3258 8916 3258 8932
$$
DCThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 3, 7:20 PM CDT | Flash Flood Warning | JAN | Lowndes | 115 min |
| Oct 4, 2:54 AM CDT | Dense Fog Advisory | JAN | Adams, Attala, Carroll, Choctaw, Claiborne, Clay and 30 more | 6 hr |
| Oct 4, 4:02 PM CDT | Severe Thunderstorm Warning | JAN | Forrest | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.