Alert archive / Tennessee / Flash Flood Warnings in 2021
Flash Flood Warning 23, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Mar 27, 2021, 9:02 PM CDT for Decatur County, Tennessee. It was in force for 7 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
- Mar 27, 2021, 9:02 PM CDT (02:02 UTC)
- Expired
- Mar 28, 2021, 3:34 AM CDT
- In force
- 7 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
County Decatur County, TN
The radar
The Ft Campbell radar (KHPX), 141 km from the middle of the area, began a volume at 02:04 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 |
|---|---|---|---|
| Mar 27, 9:13 PM CDT | FLASH FLOOD | N Decaturville, TN | NUMEROUS ROADWAYS FLOODED IN NORTH DECATURVILLE. |
| Mar 27, 9:22 PM CDT | FLASH FLOOD | Parsons, TN | HIGH FLOOD WATER CAUSING WATER RESCUE FOR PEOPLE ON PERRYVILLE ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 2.0 hours before the alert went out and 145 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
- 200 J/kg
- Mixed-layer CIN
- -290 J/kg
- Mixed-layer LCL
- 839 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 341 m²/s²
- 0-3 km storm-relative helicity
- 458 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.8
The text
As transmitted.
877
WGUS54 KMEG 280202
FFWMEG
TNC039-280500-
/O.NEW.KMEG.FF.W.0023.210328T0202Z-210328T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
902 PM CDT Sat Mar 27 2021
The National Weather Service in Memphis has issued a
* Flash Flood Warning for...
Central Decatur County in western Tennessee...
* Until midnight CDT.
* At 902 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...
Parsons, Decaturville, Scotts Hill, Mount Tabor, Wilkinstown,
Bible Hill, Busseltown, Perryville, Hickory Forks, Beacon,
Garrett, Mount Lebanon, Largo, Cozette and Jeannette.
Additional rainfall amounts of 1 to 2 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.
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 3579 8797 3576 8799 3572 8803 3570 8803
3568 8802 3561 8804 3554 8800 3553 8798
3554 8823 3554 8822 3556 8822 3561 8819
3561 8820 3563 8820 3563 8819 3576 8818
FLASH FLOOD...RADAR INDICATED
$$6 follow-up statements
042
WGUS74 KMEG 280219
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
919 PM CDT Sat Mar 27 2021
TNC039-280500-
/O.CON.KMEG.FF.W.0023.000000T0000Z-210328T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Decatur TN-
919 PM CDT Sat Mar 27 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT
FOR CENTRAL DECATUR COUNTY...
At 919 PM CDT, Emergency management reported that numerous roads in
the Decaturville area were flooded. Between 2 and 3 inches of rain
have fallen. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Emergency management
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Parsons, Decaturville, Scotts Hill, Mount Tabor, Wilkinstown,
Bible Hill, Busseltown, Perryville, Hickory Forks, Beacon,
Garrett, Mount Lebanon, Largo, Cozette and Jeannette.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3579 8797 3576 8799 3572 8803 3570 8803
3568 8802 3561 8804 3554 8800 3553 8798
3554 8823 3554 8822 3556 8822 3561 8819
3561 8820 3563 8820 3563 8819 3576 8818
FLASH FLOOD...OBSERVED
$$731
WGUS74 KMEG 280225
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
925 PM CDT Sat Mar 27 2021
TNC039-280500-
/O.CON.KMEG.FF.W.0023.000000T0000Z-210328T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Decatur TN-
925 PM CDT Sat Mar 27 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT
FOR CENTRAL DECATUR COUNTY...
At 925 PM CDT, Emergency management reported that several water
rescues are being performed on Perryville Road in Parsons. Between 3
and 4 inches of rain have fallen. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Emergency management.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Parsons, Decaturville, Scotts Hill, Mount Tabor, Wilkinstown,
Bible Hill, Busseltown, Perryville, Hickory Forks, Beacon,
Garrett, Mount Lebanon, Largo, Cozette and Jeannette.
Additional rainfall amounts of 1 to 2 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.
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 3579 8797 3576 8799 3572 8803 3570 8803
3568 8802 3561 8804 3554 8800 3553 8798
3554 8823 3554 8822 3556 8822 3561 8819
3561 8820 3563 8820 3563 8819 3576 8818
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$151
WGUS54 KMEG 280447
FFWMEG
TNC039-280700-
/O.EXT.KMEG.FF.W.0023.000000T0000Z-210328T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
1147 PM CDT Sat Mar 27 2021
The National Weather Service in Memphis has extended the
* Flash Flood Warning for...
Central Decatur County in western Tennessee...
* Until 200 AM CDT.
* At 1147 PM CDT, emergency management reported thunderstorms
producing heavy rain across the warned area. Between 3 and 4
inches of rain have fallen. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Emergency management.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Parsons, Decaturville, Scotts Hill, Mount Tabor, Wilkinstown,
Bible Hill, Busseltown, Perryville, Hickory Forks, Beacon,
Garrett, Mount Lebanon, Largo, Cozette and Jeannette.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3579 8797 3576 8799 3572 8803 3570 8803
3568 8802 3561 8804 3554 8800 3553 8798
3554 8823 3554 8822 3556 8822 3561 8819
3561 8820 3563 8820 3563 8819 3576 8818
FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...1-2 INCHES IN 2 HOURS
$$181
WGUS54 KMEG 280643
FFWMEG
TNC039-280800-
/O.EXT.KMEG.FF.W.0023.000000T0000Z-210328T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
143 AM CDT Sun Mar 28 2021
The National Weather Service in Memphis has extended the
* Flash Flood Warning for...
Central Decatur County in western Tennessee...
* Until 300 AM CDT.
* At 143 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area.
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...
Parsons, Decaturville, Scotts Hill, Mount Tabor, Wilkinstown,
Bible Hill, Busseltown, Perryville, Hickory Forks, Beacon,
Garrett, Mount Lebanon, Largo, Cozette and Jeannette.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
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 3579 8797 3576 8799 3572 8803 3570 8803
3568 8802 3561 8804 3554 8800 3553 8798
3554 8823 3554 8822 3556 8822 3561 8819
3561 8820 3563 8820 3563 8819 3576 8818
FLASH FLOOD...RADAR INDICATED
$$324
WGUS54 KMEG 280737
FFWMEG
TNC039-280900-
/O.EXT.KMEG.FF.W.0023.000000T0000Z-210328T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
237 AM CDT Sun Mar 28 2021
The National Weather Service in Memphis has extended the
* Flash Flood Warning for...
Central Decatur County in western Tennessee...
* Until 400 AM CDT.
* At 237 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Parsons, Decaturville, Scotts Hill, Mount Tabor, Wilkinstown,
Bible Hill, Busseltown, Perryville, Hickory Forks, Beacon,
Garrett, Mount Lebanon, Largo, Cozette and Jeannette.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3579 8797 3576 8799 3572 8803 3570 8803
3568 8802 3561 8804 3554 8800 3553 8798
3554 8823 3554 8822 3556 8822 3561 8819
3561 8820 3563 8820 3563 8819 3576 8818
FLASH FLOOD...RADAR INDICATED
$$721
WGUS74 KMEG 280834 RRA
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
334 AM CDT Sun Mar 28 2021
TNC039-280844-
/O.CAN.KMEG.FF.W.0023.000000T0000Z-210328T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Decatur TN-
334 AM CDT Sun Mar 28 2021
...FLASH FLOOD WARNING IS CANCELLED FOR CENTRAL DECATUR COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3579 8797 3576 8799 3572 8803 3570 8803
3568 8802 3561 8804 3554 8800 3553 8798
3554 8823 3554 8822 3556 8822 3561 8819
3561 8820 3563 8820 3563 8819 3576 8818
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 7:02 PM CDT | Tornado Warning | MEG | Dyer, Lauderdale | 43 min |
| Mar 27, 7:03 PM CDT | Tornado Warning | MEG | Lauderdale, Tipton | 42 min |
| Mar 27, 7:22 PM CDT | Special Weather Statement | MEG | Haywood | 23 min |
| Mar 27, 7:35 PM CDT | Severe Thunderstorm Warning | MEG | Crockett, Gibson, Haywood, Madison | 40 min |
| Mar 27, 7:41 PM CDT | Special Weather Statement | MEG | Chester | 34 min |
| Mar 27, 7:44 PM CDT | Special Weather Statement | MEG | Dyer | 31 min |
| Mar 27, 7:52 PM CDT | Special Weather Statement | MEG | Lauderdale | 23 min |
| Mar 27, 7:54 PM CDT | Special Weather Statement | MEG | Shelby | 21 min |
| Mar 27, 8:04 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Decatur, Henderson | 41 min |
| Mar 27, 8:07 PM CDT | Tornado Warning | MEG | Shelby, Tipton | 38 min |
| Mar 27, 8:18 PM CDT | Severe Thunderstorm Warning | MEG | Henderson, Madison | 42 min |
| Mar 27, 8:20 PM CDT | Special Weather Statement | MEG | Dyer | 25 min |
| Mar 27, 8:23 PM CDT | Flash Flood Warning | MEG | Chester, Henderson, Madison | 6 hr |
| Mar 27, 8:26 PM CDT | Severe Thunderstorm Warning | MEG | Shelby | 11 min |
| Mar 27, 8:37 PM CDT | Tornado Warning | MEG | Decatur | 23 min |
| Mar 27, 8:39 PM CDT | Severe Thunderstorm Warning | MEG | Lauderdale, Tipton | 34 min |
| Mar 27, 8:43 PM CDT | Areal Flood Advisory | MEG | Decatur | 19 min |
| Mar 27, 8:43 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Henderson, Madison | 47 min |
| Mar 27, 9:09 PM CDT | Areal Flood Advisory | MEG | Shelby | 3 hr |
| Mar 27, 9:20 PM CDT | Severe Thunderstorm Warning | MEG | Crockett, Haywood, Madison | 40 min |
| Mar 27, 9:29 PM CDT | Severe Thunderstorm Warning | MEG | Benton, Decatur, Henderson | 31 min |
| Mar 27, 9:32 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Hardeman, Haywood, Madison, Shelby, Tipton | 43 min |
| Mar 27, 9:37 PM CDT | Areal Flood Advisory | MEG | Carroll, Gibson, Henry, Weakley | 3 hr |
| Mar 27, 9:53 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Shelby, Tipton | 52 min |
| Mar 27, 9:58 PM CDT | Severe Thunderstorm Warning | MEG | Carroll, Chester, Crockett, Fayette, Gibson, Hardeman and 3 more | 47 min |
| Mar 27, 10:03 PM CDT | Flash Flood Warning | MEG | Benton, Carroll, Decatur, Henderson | 4 hr |
| Mar 27, 10:17 PM CDT | Flash Flood Warning | MEG | Fayette, Shelby | 3 hr |
| Mar 27, 10:28 PM CDT | River Flood Warning | MEG | Decatur, Perry | 11 days |
| Mar 27, 10:35 PM CDT | Flash Flood Warning | MEG | Haywood, Madison, Tipton | 3 hr |
| Mar 27, 10:39 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Hardeman, Haywood, Lauderdale, Shelby, Tipton | 36 min |
| Mar 27, 10:42 PM CDT | Tornado Warning | MEG | Chester, Decatur, Hardeman, Henderson, Madison | 29 min |
| Mar 27, 10:49 PM CDT | Flash Flood Warning | MEG | Shelby | 3 hr |
| Mar 27, 11:09 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Fayette, Hardeman, Haywood, McNairy, Madison | 51 min |
| Mar 27, 11:11 PM CDT | Flash Flood Warning | MEG | Fayette, Hardeman | 3 hr |
| Mar 27, 11:25 PM CDT | Tornado Warning | MEG | Chester, Hardeman, McNairy | 14 min |
| Mar 27, 11:54 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Decatur, Hardin, Henderson, McNairy | 51 min |
| Mar 27, 11:58 PM CDT | Tornado Warning | MEG | McNairy | 17 min |
| Mar 28, 12:12 AM CDT | Tornado Warning | MEG | Hardin | 33 min |
| Mar 28, 2:30 PM CDT | River Flood Warning | MEG | Benton, Henry, Houston, Humphreys, Stewart | 10 days |
Nearby
Flash Flood Warnings in Tennessee, 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.