Alert archive / Mississippi / Flash Flood Warnings in 2020
Flash Flood Warning 21, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Aug 28, 2020, 8:31 PM CDT for Prentiss County, Tishomingo County, Mississippi. It was in force for 5 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 28, 2020, 8:31 PM CDT (01:31 UTC)
- Expired
- Aug 29, 2020, 1:30 AM CDT
- In force
- 5 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Prentiss County, MS, Tishomingo County, MS
The radar
The Columbus AFB radar (KGWX), 82 km from the middle of the area, began a volume at 01:33 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
Little Rock, AR (KLZK), launched 00:00Z, 1.5 hours before the alert went out and 139 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
- 764 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1610 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.1
The text
As transmitted.
613
WGUS54 KMEG 290131
FFWMEG
MSC117-141-290430-
/O.NEW.KMEG.FF.W.0021.200829T0131Z-200829T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
831 PM CDT Fri Aug 28 2020
The National Weather Service in Memphis has issued a
* Flash Flood Warning for...
Prentiss County in northeastern Mississippi...
Tishomingo County in northeastern Mississippi...
* Until 1130 PM CDT.
* At 831 PM CDT, Doppler radar indicated training showers and
thunderstorms producing heavy rain across the warned area. Between
2 and 3 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...
Booneville, Baldwyn, Iuka, Tishomingo State Park, Belmont,
Burnsville, Tishomingo, Burton, Midway, Thrashers, Wheeler,
Marietta, Golden, Paden, Thrasher, Holcut, Neil, Altitude, Dennis
and Holts Spur.
Additional rainfall amounts of 1 to 3 inches are possible in the
warned area.
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.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3451 8873 3461 8855 3476 8847 3476 8836
3480 8836 3486 8810 3446 8816 3447 8854
3451 8854
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2-4 INCHES IN 1 HOUR
$$
MJ5 follow-up statements
521
WGUS74 KMEG 290308
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
1008 PM CDT Fri Aug 28 2020
MSC117-141-290430-
/O.CON.KMEG.FF.W.0021.000000T0000Z-200829T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tishomingo MS-Prentiss MS-
1008 PM CDT Fri Aug 28 2020
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR
TISHOMINGO AND PRENTISS COUNTIES...
At 1007 PM CDT, Doppler Radar estimates 2 to 3 inches of rain has
occurred over the past 2 hours. Showers and thunderstorms will
produce an additional 1 inch of rain over the next hour.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar indicated.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other drainage
and low lying areas.
Some locations that will experience flooding include...
Booneville, Baldwyn, Iuka, Tishomingo State Park, Belmont,
Burnsville, Tishomingo, Thrashers, Burton, Midway, Wheeler, Marietta,
Golden, Paden, Oldham, Thrasher, Dennis, Blythe Crossing, Carter
Branch and Hazard Switch.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3451 8873 3461 8855 3476 8847 3476 8836
3480 8836 3486 8810 3446 8816 3447 8854
3451 8854
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1 INCH IN 1 HOUR
$$
SJM881
WGUS54 KMEG 290345
FFWMEG
MSC117-141-290530-
/O.EXT.KMEG.FF.W.0021.000000T0000Z-200829T0530Z/
/00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
1045 PM CDT Fri Aug 28 2020
The National Weather Service in Memphis has extended the
* Flash Flood Warning for...
Prentiss County in northeastern Mississippi...
Tishomingo County in northeastern Mississippi...
* Until 1230 AM CDT.
* At 1045 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 3 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...
Booneville, Baldwyn, Iuka, Tishomingo State Park, Belmont,
Burnsville, Tishomingo, Burton, Midway, Thrashers, Wheeler,
Marietta, Golden, Paden, Thrasher, Holcut, Neil, Altitude, Dennis
and Holts Spur.
Additional rainfall amounts up to 1 inch are possible in the warned
area.
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.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3451 8873 3461 8855 3476 8847 3476 8836
3480 8836 3486 8810 3446 8816 3447 8854
3451 8854
FLASH FLOOD...RADAR INDICATED
$$407
WGUS74 KMEG 290439
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
1139 PM CDT Fri Aug 28 2020
MSC117-141-290530-
/O.CON.KMEG.FF.W.0021.000000T0000Z-200829T0530Z/
/00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Prentiss MS-Tishomingo MS-
1139 PM CDT Fri Aug 28 2020
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT SATURDAY
FOR PRENTISS AND TISHOMINGO COUNTIES...
At 1139 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. Flash flooding is ongoing.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Booneville, Baldwyn, Iuka, Tishomingo State Park, Belmont,
Burnsville, Tishomingo, Burton, Midway, Thrashers, Wheeler,
Marietta, Golden, Paden, Thrasher, Holcut, Neil, Altitude, Dennis
and Holts Spur.
Heavy rain has moved out of the area but runoff and flash flooding
will continue.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3451 8873 3461 8855 3476 8847 3476 8836
3480 8836 3486 8810 3446 8816 3447 8854
3451 8854
FLASH FLOOD...RADAR INDICATED
$$328
WGUS54 KMEG 290510
FFWMEG
MSC117-141-290630-
/O.EXT.KMEG.FF.W.0021.000000T0000Z-200829T0630Z/
/00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
1210 AM CDT Sat Aug 29 2020
The National Weather Service in Memphis has extended the
* Flash Flood Warning for...
Prentiss County in northeastern Mississippi...
Tishomingo County in northeastern Mississippi...
* Until 130 AM CDT.
* At 1210 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.
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...
Booneville, Baldwyn, Iuka, Tishomingo State Park, Belmont,
Burnsville, Tishomingo, Burton, Midway, Thrashers, Wheeler,
Marietta, Golden, Paden, Thrasher, Holcut, Neil, Altitude, Dennis
and Holts Spur.
Showers and thunderstorms have moved out of the area but runoff and
flash flooding will continue.
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 3451 8873 3461 8855 3476 8847 3476 8836
3480 8836 3486 8810 3446 8816 3447 8854
3451 8854
FLASH FLOOD...RADAR INDICATED
$$367
WGUS74 KMEG 290637
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
137 AM CDT Sat Aug 29 2020
MSC117-141-290647-
/O.EXP.KMEG.FF.W.0021.000000T0000Z-200829T0630Z/
/00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Prentiss MS-Tishomingo MS-
137 AM CDT Sat Aug 29 2020
...FLASH FLOOD WARNING HAS EXPIRED FOR PRENTISS AND TISHOMINGO
COUNTIES...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
A Flash Flood Watch remains in effect until 700 AM CDT for a portion
of North Mississippi.
LAT...LON 3451 8873 3461 8855 3476 8847 3476 8836
3480 8836 3486 8810 3446 8816 3447 8854
3451 8854
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 7:04 PM CDT | Special Weather Statement | MEG | Union | 41 min |
| Aug 28, 7:13 PM CDT | Severe Thunderstorm Warning | MEG | Benton, Lee, Prentiss, Tippah, Union | 47 min |
| Aug 28, 7:24 PM CDT | Special Weather Statement | MEG | Alcorn, Tishomingo | 66 min |
| Aug 28, 7:39 PM CDT | Areal Flood Advisory | MEG | Alcorn, Benton, Prentiss, Tippah, Tishomingo | 4 hr |
| Aug 28, 8:47 PM CDT | Areal Flood Advisory | MEG | Itawamba, Lee, Union | 116 min |
| Aug 28, 9:10 PM CDT | Special Weather Statement | MEG | Itawamba | 35 min |
| Aug 28, 9:38 PM CDT | Special Weather Statement | MEG | Lee, Union | 37 min |
| Aug 28, 9:55 PM CDT | Areal Flood Advisory | MEG | Benton, Prentiss, Tippah, Union | 48 min |
| Aug 28, 10:43 PM CDT | Flash Flood Warning | MEG | Benton, Prentiss, Tippah, Union | 3 hr |
| Aug 28, 10:43 PM CDT | Flash Flood Warning | MEG | Itawamba, Lee, Union | 3 hr |
| Aug 28, 10:53 PM CDT | Areal Flood Advisory | MEG | Itawamba, Lee, Pontotoc | 39 min |
| Aug 28, 11:16 PM CDT | Areal Flood Advisory | MEG | Lafayette, Marshall | 104 min |
| Aug 28, 11:32 PM CDT | Flash Flood Warning | MEG | Itawamba, Lee, Pontotoc | 4 hr |
| Aug 28, 11:34 PM CDT | Areal Flood Advisory | MEG | Calhoun, Chickasaw, Itawamba, Lee, Monroe, Pontotoc | 3 hr |
| Aug 29, 12:03 AM CDT | Flash Flood Warning | MEG | Calhoun, Chickasaw, Itawamba, Lee, Monroe, Pontotoc | 3 hr |
| Aug 29, 1:23 AM CDT | Areal Flood Advisory | MEG | Lafayette | 3 hr |
Nearby
Flash Flood Warnings in Mississippi, 2020Every flash flood warning in 2020
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.