Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 23, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jun 6, 2021, 8:08 AM CDT for Jefferson Davis County, Lawrence County, Mississippi. It was in force for 4 hr. 3 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, 8:08 AM CDT (13:08 UTC)
- Expired
- Jun 6, 2021, 12:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The Jackson/Brandon,MS radar (KDGX), 75 km from the middle of the area, began a volume at 13:11 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, 11:50 AM CDT | FLASH FLOOD | 1 Ene Monticello, MS | SOCIAL MEDIA REPORT OF MULTIPLE STREETS FLOODED IN MONTICELLO. |
| Jun 6, 11:55 AM CDT | FLASH FLOOD | 1 Ene Monticello, MS | CORRECTS TIME OF PREVIOUS FLASH FLOOD REPORT FROM 1 ENE MONTICELLO. MEASURED 6.25 INCHES AT LAWRENCE COUNTY EMA. THIS RAINFALL RESULTED IN TWENTY-SIX WATER COVERED ROADWAYS SCATTERED ACROSS LAWRENCE COUNTY AND FOUR SINKHOLES DEVELOPED WITHIN THE CITY OF MONTIC |
| Jun 6, 11:55 AM CDT | FLASH FLOOD | New Hebron, MS | CORRECTS TIME OF PREVIOUS FLASH FLOOD REPORT FROM NEW HEBRON. WATER GOT INTO ONE BAPTIST CHURCH AND ONE HOME. |
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, 1.1 hours before the alert went out and 78 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.
269
WGUS54 KJAN 061308
FFWJAN
MSC065-077-061600-
/O.NEW.KJAN.FF.W.0023.210606T1308Z-210606T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
808 AM CDT Sun Jun 6 2021
The National Weather Service in Jackson has issued a
* Flash Flood Warning for...
Northwestern Jefferson Davis County in south central Mississippi...
Lawrence County in south central Mississippi...
* Until 1100 AM CDT.
* At 807 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
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...
Monticello, Wanilla, Oma, Sontag, Robinwood, New Hebron and Silver
Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3149 9006 3144 9024 3172 9025 3176 9013
3177 8985 3163 8994
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2-3 INCHES IN 1 HOUR
$$
TW2 follow-up statements
062
WGUS74 KJAN 061426
FFSJAN
Flash Flood Statement
National Weather Service Jackson MS
926 AM CDT Sun Jun 6 2021
MSC065-077-061600-
/O.CON.KJAN.FF.W.0023.000000T0000Z-210606T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson Davis MS-Lawrence MS-
926 AM CDT Sun Jun 6 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 11 AM CDT THIS
MORNING FOR NORTHWESTERN JEFFERSON DAVIS AND LAWRENCE COUNTIES...
At 926 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 3 and 6 inches of rain have
fallen. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Doppler radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Monticello, Wanilla, Oma, Sontag, Robinwood, New Hebron and Silver
Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3149 9006 3144 9024 3172 9025 3176 9013
3177 8985 3163 8994
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...2-3 INCHES IN 1 HOUR
$$
TW875
WGUS54 KJAN 061525
FFWJAN
MSC065-077-061700-
/O.EXT.KJAN.FF.W.0023.000000T0000Z-210606T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
1025 AM CDT Sun Jun 6 2021
The National Weather Service in Jackson has extended the
* Flash Flood Warning for...
Northwestern Jefferson Davis County in south central Mississippi...
Lawrence County in south central Mississippi...
* Until noon CDT.
* At 1025 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 4 and 7 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Doppler radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Monticello, Wanilla, Oma, Sontag, Robinwood, New Hebron and Silver
Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3149 9006 3144 9024 3172 9025 3176 9013
3177 8985 3163 8994
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
TWThe 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, 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, 12:56 PM CDT | Flash Flood Warning | JAN | Covington, Jasper, Jefferson Davis, Jones, Smith | 4 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.