Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 27, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jun 6, 2021, 12:56 PM CDT for 5 counties in Mississippi. It was in force for 4 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
- Jun 6, 2021, 12:56 PM CDT (17:56 UTC)
- Expired
- Jun 6, 2021, 5:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Covington County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Smith County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 73 km from the middle of the area, began a volume at 17:56 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 |
|---|---|---|---|
| Jun 6, 2:00 PM CDT | FLASH FLOOD | 2 Sw Collins, MS | A PHOTO WAS RELAYED VIA SOCIAL MEDIA SHOWING WATER FLOWING OVER MCDONALD CHAPEL ROAD. |
| Jun 6, 3:58 PM CDT | FLASH FLOOD | Collins, MS | NUMEROUS ROADS WERE FLOODED ACROSS MUCH OF THE COUNTY. |
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 12:00Z, 5.9 hours before the alert went out and 82 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
- 562 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 548 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.9
The text
As transmitted.
820
WGUS54 KJAN 061756
FFWJAN
MSC031-061-065-067-129-062100-
/O.NEW.KJAN.FF.W.0027.210606T1756Z-210606T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
1256 PM CDT Sun Jun 6 2021
The National Weather Service in Jackson has issued a
* Flash Flood Warning for...
Southeastern Smith County in central Mississippi...
Jasper County in east central Mississippi...
Eastern Jefferson Davis County in south central Mississippi...
Covington County in southeastern Mississippi...
Northwestern Jones County in southeastern Mississippi...
* Until 400 PM CDT.
* At 1256 PM CDT, local law enforcement reported flooding on roads
due to thunderstorms producing heavy rain across the warned area.
Between 2 and 4 inches of rain have fallen in the last few hours,
and flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Laurel, Collins, Stringer, Bay Springs, Taylorsville, Mount Olive,
Heidelberg, Moss, Center Ridge, Hebron, Vernon, Turnerville,
Paulding, Stafford Springs, Garlandville, Rose Hill, Orange, Lone
Star, Melba and Soso.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3143 8980 3159 8975 3177 8976 3178 8965
3182 8965 3196 8951 3222 8932 3222 8891
3187 8891 3162 8942 3143 8963
FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...1-3 INCHES IN 3 HOURS
$$
NF3 follow-up statements
456
WGUS74 KJAN 062037
FFSJAN
Flash Flood Statement
National Weather Service Jackson MS
337 PM CDT Sun Jun 6 2021
MSC031-061-065-067-129-062100-
/O.CON.KJAN.FF.W.0027.000000T0000Z-210606T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Covington MS-Jasper MS-Jefferson Davis MS-Jones MS-Smith MS-
337 PM CDT Sun Jun 6 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON FOR SOUTHEASTERN SMITH, JASPER, EASTERN JEFFERSON DAVIS,
COVINGTON AND NORTHWESTERN JONES COUNTIES...
At 336 PM CDT, Doppler radar indicated thunderstorms have produced
up to 2 to 5 inches of heavy rain across the warned area in the last
several hours. Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Laurel, Collins, Stringer, Bay Springs, Taylorsville, Mount Olive,
Heidelberg, Moss, Center Ridge, Hebron, Vernon, Turnerville,
Paulding, Stafford Springs, Garlandville, Rose Hill, Orange, Lone
Star, Melba and Soso.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3143 8980 3159 8975 3177 8976 3178 8965
3182 8965 3196 8951 3222 8932 3222 8891
3187 8891 3162 8942 3143 8963
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.5 INCHES IN 1 HOUR
$$
NF844
WGUS54 KJAN 062051
FFWJAN
MSC031-061-065-067-129-062200-
/O.EXT.KJAN.FF.W.0027.000000T0000Z-210606T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
351 PM CDT Sun Jun 6 2021
The National Weather Service in Jackson has extended the
* Flash Flood Warning for...
Southeastern Smith County in central Mississippi...
Jasper County in east central Mississippi...
Eastern Jefferson Davis County in south central Mississippi...
Covington County in southeastern Mississippi...
Northwestern Jones County in southeastern Mississippi...
* Until 500 PM CDT.
* At 350 PM CDT, Doppler radar indicated thunderstorms have produced
up to 2 to 5 inches of heavy rain across the warned area in the
last several hours. Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Laurel, Collins, Stringer, Bay Springs, Taylorsville, Mount Olive,
Heidelberg, Moss, Center Ridge, Hebron, Vernon, Turnerville,
Paulding, Stafford Springs, Garlandville, Rose Hill, Orange, Lone
Star, Melba and Soso.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3143 8980 3159 8975 3177 8976 3178 8965
3182 8965 3196 8951 3222 8932 3222 8891
3187 8891 3162 8942 3143 8963
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.5 INCHES IN 1 HOUR
$$
NF484
WGUS74 KJAN 062153
FFSJAN
Flash Flood Statement
National Weather Service Jackson MS
453 PM CDT Sun Jun 6 2021
MSC031-061-065-067-129-062203-
/O.EXP.KJAN.FF.W.0027.000000T0000Z-210606T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Covington MS-Jasper MS-Jefferson Davis MS-Jones MS-Smith MS-
453 PM CDT Sun Jun 6 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 5 PM CDT THIS AFTERNOON FOR
SOUTHEASTERN SMITH, JASPER, EASTERN JEFFERSON DAVIS, COVINGTON AND
NORTHWESTERN JONES COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flash Flood Watch remains in effect until 700 PM CDT for portions
of southern and eastern Mississippi.
LAT...LON 3143 8980 3159 8975 3177 8976 3178 8965
3182 8965 3196 8951 3222 8932 3222 8891
3187 8891 3162 8942 3143 8963
$$
NFThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 3:01 AM CDT | Flash Flood Watch | JAN | Clarke, Covington, Forrest, Jasper, Jefferson Davis, Jones and 6 more | 15 hr |
| Jun 6, 8:08 AM CDT | Flash Flood Warning | JAN | Jefferson Davis, Lawrence | 4 hr |
| Jun 6, 9:28 AM CDT | Flash Flood Warning | JAN | Simpson | 3 hr |
| Jun 6, 9:52 AM CDT | Flash Flood Warning | JAN | Smith | 3 hr |
| Jun 6, 11:03 AM CDT | Flash Flood Warning | JAN | Jefferson Davis, Lawrence | 3 hr |
| Jun 6, 2:59 PM CDT | Flash Flood Warning | JAN | Jones | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.