Alert archive / Tennessee / River Flood Warnings in 2021
River Flood Warning 25, NWS Nashville, TN
NWS Nashville, TN issued this river flood warning at Mar 28, 2021, 7:28 AM CDT for Williamson County, Tennessee. It was in force for 28 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 28, 2021, 7:28 AM CDT (12:28 UTC)
- Expired
- Mar 29, 2021, 11:38 AM CDT
- In force
- 28 hr
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Flood severity
- Minor
County Williamson County, TN
The radar
The Nashville radar (KOHX), 45 km from the middle of the area, began a volume at 12:32 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 river
Written for the forecast point Harpeth River below Franklin (HBFT1). The gauge peaked at 29.67 ft at Mar 28, 2021, 7:00 PM CDT.
- Action stage
- 22 ft
- Minor stage
- 27 ft
- Moderate stage
- 30 ft
- Major stage
- 33 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 03432400, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The text
As transmitted.
558
WGUS44 KOHX 281228
FLWOHX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Nashville TN
728 AM CDT Sun Mar 28 2021
...The National Weather Service in Nashville TN has issued a Flood
Warning for the following rivers in Tennessee...
Harpeth River Below Franklin affecting Williamson County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.
Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.
Additional information is available at www.weather.gov.
TNC187-290030-
/O.NEW.KOHX.FL.W.0025.210328T1228Z-000000T0000Z/
/HBFT1.1.ER.210328T1035Z.210328T1200Z.000000T0000Z.NR/
728 AM CDT Sun Mar 28 2021
The National Weather Service in Nashville has issued a
* Flood Warning for
the Harpeth River Below Franklin.
* From this morning until further notice.
* At 7:00 AM CDT Sunday the stage was 27.6 feet and rising.
* Flood stage is 27.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending
at 7:00 AM CDT Sunday was 27.6 feet.
* Forecast...No forecast is available for this location.
* Impact...At 27.0 feet, Flooding of properties adjacent to the
river begins near Hillsboro Road and Mack Hatcher Memorial Parkway.
* Flood History...This crest compares to a previous crest of 28.1
feet on 01/23/1999.
&&
LAT...LON 3599 8695 3599 8688 3590 8682 3585 8666
3578 8667 3589 8692
$$
075 follow-up statements
935
WGUS84 KOHX 290010
FLSOHX
Flood Statement
National Weather Service Nashville TN
710 PM CDT Sun Mar 28 2021
...The Flood Warning continues for the following rivers in
Tennessee...
Harpeth River Below Franklin affecting Williamson County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.
A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.
Additional information is available at www.weather.gov.
TNC187-291215-
/O.CON.KOHX.FL.W.0025.000000T0000Z-000000T0000Z/
/HBFT1.3.ER.210328T1035Z.210328T2245Z.000000T0000Z.NR/
710 PM CDT Sun Mar 28 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Harpeth River Below Franklin.
* Until further notice.
* At 6:00 PM CDT Sunday the stage was 29.6 feet and rising.
* Flood stage is 27.0 feet.
* Major flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending
at 6:00 PM CDT Sunday was 29.6 feet.
* Forecast...No forecast is available for this location.
* Impact...At 30.0 feet, Significant flooding of properties and
structures adjacent to the river can be expected, especially near
Hillsboro Road and Mack Hatcher Memorial Parkway.
* Flood History...This crest compares to a previous crest of 29.0
feet on 02/04/1990.
&&
LAT...LON 3599 8695 3599 8688 3590 8682 3585 8666
3578 8667 3589 8692
$$
JB Wright818
WGUS84 KOHX 291012
FLSOHX
Flood Statement
National Weather Service Nashville TN
512 AM CDT Mon Mar 29 2021
...The Flood Warning continues for the following rivers in
Tennessee...
Harpeth River Below Franklin affecting Williamson County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.
Additional information is available at www.weather.gov.
TNC187-291500-
/O.EXT.KOHX.FL.W.0025.000000T0000Z-210329T1500Z/
/HBFT1.1.ER.210328T1035Z.210329T0000Z.210329T1500Z.NR/
512 AM CDT Mon Mar 29 2021
...The Flood Warning is now in effect until late this morning...
The Flood Warning continues for
the Harpeth River Below Franklin.
* Until this morning.
* At 4:00 AM CDT Monday the stage was 28.3 feet and falling.
* Flood stage is 27.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending
at 4:00 AM CDT Monday was 29.7 feet.
* Forecast...The river is expected to fall below flood stage by
midday today.
* Impact...At 27.0 feet, Flooding of properties adjacent to the
river begins near Hillsboro Road and Mack Hatcher Memorial Parkway.
* Flood History...This crest compares to a previous crest of 28.2
feet on 03/28/1994.
&&
LAT...LON 3599 8695 3599 8688 3590 8682 3585 8666
3578 8667 3589 8692
$$
Shamburger570
WGUS84 KOHX 291340
FLSOHX
Flood Statement
National Weather Service Nashville TN
840 AM CDT Mon Mar 29 2021
...The Flood Warning is extended for the following rivers in
Tennessee...
Harpeth River Below Franklin affecting Williamson County.
Harpeth River At Bellevue affecting Williamson and Davidson
Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.
A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.
Additional information is available at www.weather.gov.
TNC187-300000-
/O.EXT.KOHX.FL.W.0025.000000T0000Z-210330T0000Z/
/HBFT1.1.ER.210328T1035Z.210329T0000Z.000000T0000Z.NR/
840 AM CDT Mon Mar 29 2021
...The Flood Warning is now in effect until this evening...
The Flood Warning continues for
the Harpeth River Below Franklin.
* Until this evening.
* At 8:00 AM CDT Monday the stage was 27.0 feet and falling.
* Flood stage is 27.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending
at 8:00 AM CDT Monday was 29.7 feet.
* Forecast...No forecast is available for this location.
* Impact...At 27.0 feet, Flooding of properties adjacent to the
river begins near Hillsboro Road and Mack Hatcher Memorial Parkway.
* Flood History...This crest compares to a previous crest of 26.8
feet on 02/16/2003.
&&
LAT...LON 3599 8695 3599 8688 3590 8682 3585 8666
3578 8667 3589 8692
$$
TNC037-187-300000-
/O.EXT.KOHX.FL.W.0007.000000T0000Z-210330T0000Z/
/BELT1.1.ER.210328T0723Z.210328T2300Z.210329T1352Z.NO/
840 AM CDT Mon Mar 29 2021
...The Flood Warning is now in effect until this evening...
The Flood Warning continues for
the Harpeth River At Bellevue.
* Until this evening.
* At 7:30 AM CDT Monday the stage was 20.9 feet and falling.
* Flood stage is 20.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending
at 7:30 AM CDT Monday was 23.3 feet.
* Forecast...The river is expected to fall below flood stage this
morning and continue falling to 3.9 feet early Saturday morning.
* Impact...At 20.0 feet, Water begins to flood the Ensworth High
School athletic fields.
* Flood History...This crest compares to a previous crest of 21.0
feet on 02/27/1962.
&&
LAT...LON 3604 8704 3613 8700 3607 8688 3599 8688
3599 8695
$$
07579
WGUS84 KOHX 291615
FLSOHX
Flood Statement
National Weather Service Nashville TN
1115 AM CDT Mon Mar 29 2021
...The Flood Warning is extended for the following rivers in
Tennessee...
Harpeth River At Franklin affecting Williamson County.
...Forecast flooding changed to Minor severity for the following
rivers in Tennessee...
Harpeth River Near Kingston Springs affecting Cheatham County.
Harpeth River Below Franklin affecting Williamson County.
Harpeth River At Bellevue affecting Williamson and Davidson
Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.
A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.
Additional information is available at www.weather.gov.
TNC187-300415-
/O.EXT.KOHX.FL.W.0008.000000T0000Z-210330T0600Z/
/FRAT1.N.ER.210328T1527Z.210328T2200Z.210329T0404Z.NO/
1115 AM CDT Mon Mar 29 2021
...The Flood Warning is now in effect until just after midnight
tonight...
The Flood Warning continues for
the Harpeth River At Franklin.
* Until late tonight.
* At 10:15 AM CDT Monday the stage was 24.2 feet and falling.
* Flood stage is 30.0 feet.
* No flooding is currently forecast.
* Forecast...The river is expected to fall to 9.2 feet Saturday
morning.
* Impact...At 24.0 feet, Flooding will affect areas along the
Harpeth River from Franklin to Bellevue. In Franklin, water will
reach the city park, 4th Street, and portions of Highway 431.
* Flood History...No available flood history.
&&
LAT...LON 3599 8695 3599 8688 3590 8682 3585 8666
3578 8667 3589 8692
$$
TNC021-292345-
/O.CON.KOHX.FL.W.0031.000000T0000Z-210329T2345Z/
/KINT1.1.ER.210328T0518Z.210328T1400Z.210330T0221Z.NO/
1115 AM CDT Mon Mar 29 2021
...Forecast flooding changed to Minor severity...
The Flood Warning continues for
the Harpeth River Near Kingston Springs.
* Until this evening.
* At 10:00 AM CDT Monday the stage was 24.8 feet and falling.
* Flood stage is 20.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 10:00 AM CDT Monday was 34.1 feet.
* Forecast...The river is expected to fall below flood stage late
this evening and continue falling to 8.6 feet Saturday morning.
* Impact...At 25.0 feet, The access road to the Narrows of the
Harpeth State Park begins to be inundated.
* Flood History...This crest compares to a previous crest of 25.0
feet on 03/13/1927.
&&
LAT...LON 3629 8712 3617 8710 3613 8700 3604 8704
3614 8724 3631 8720
$$
TNC187-300000-
/O.CON.KOHX.FL.W.0025.000000T0000Z-210330T0000Z/
/HBFT1.N.ER.210328T1035Z.210329T0000Z.210329T1307Z.NR/
1115 AM CDT Mon Mar 29 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Harpeth River Below Franklin.
* Until this evening.
* At 11:00 AM CDT Monday the stage was 25.7 feet and falling.
* Flood stage is 27.0 feet.
* No flooding is currently forecast.
* Forecast...No forecast is available for this location.
* Impact...At 27.0 feet, Flooding of properties adjacent to the
river begins near Hillsboro Road and Mack Hatcher Memorial Parkway.
* Flood History...This crest compares to a previous crest of 25.8
feet on 02/20/1991.
&&
LAT...LON 3599 8695 3599 8688 3590 8682 3585 8666
3578 8667 3589 8692
$$
TNC037-187-300000-
/O.CON.KOHX.FL.W.0007.000000T0000Z-210330T0000Z/
/BELT1.1.ER.210328T0723Z.210328T2300Z.210329T1800Z.NO/
1115 AM CDT Mon Mar 29 2021
...Forecast flooding changed to Minor severity...
The Flood Warning continues for
the Harpeth River At Bellevue.
* Until this evening.
* At 10:30 AM CDT Monday the stage was 20.2 feet and falling.
* Flood stage is 20.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 10:30 AM CDT Monday was 23.3 feet.
* Forecast...The river is expected to fall below flood stage this
afternoon and continue falling to 5.9 feet Saturday morning.
* Impact...At 20.0 feet, Water begins to flood the Ensworth High
School athletic fields.
* Flood History...This crest compares to a previous crest of 20.2
feet on 02/18/1956.
&&
LAT...LON 3604 8704 3613 8700 3607 8688 3599 8688
3599 8695
$$
07548
WGUS84 KOHX 291638
FLSOHX
Flood Statement
National Weather Service Nashville TN
1138 AM CDT Mon Mar 29 2021
...The Flood Warning is replaced with a River Flood Advisory for the
following rivers in Tennessee...
Harpeth River Below Franklin affecting Williamson County.
TNC187-291745-
/O.CAN.KOHX.FL.W.0025.000000T0000Z-210329T1638Z/
/HBFT1.N.ER.210328T1035Z.210329T0000Z.210329T1307Z.NR/
1138 AM CDT Mon Mar 29 2021
...The Flood Warning for the Harpeth River Below Franklin has been
replaced...
The Flood Warning is replaced by a river flood advisory for
the Harpeth River Below Franklin.
* At 11:00 AM CDT Monday the stage was 25.7 feet and falling.
* Flood stage is 27.0 feet.
* Forecast...No forecast is available for this location.
&&
LAT...LON 3599 8695 3599 8688 3590 8682 3585 8666
3578 8667 3589 8692
$$
07The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 7:05 PM CDT | Special Weather Statement | OHX | Maury | 40 min |
| Mar 27, 7:13 PM CDT | Severe Thunderstorm Warning | OHX | Hickman, Lewis, Maury | 32 min |
| Mar 27, 7:32 PM CDT | Severe Thunderstorm Warning | OHX | Bedford, Cannon, Coffee, DeKalb, Rutherford, Warren | 43 min |
| Mar 27, 7:35 PM CDT | Flash Flood Warning | OHX | Bedford, Cannon, Rutherford, Williamson | 3 hr |
| Mar 27, 7:35 PM CDT | Special Weather Statement | OHX | DeKalb | 40 min |
| Mar 27, 7:39 PM CDT | Special Weather Statement | OHX | Davidson | 36 min |
| Mar 27, 8:04 PM CDT | Special Weather Statement | OHX | Davidson | 26 min |
| Mar 27, 8:08 PM CDT | Special Weather Statement | OHX | Hickman | 37 min |
| Mar 27, 8:14 PM CDT | Special Weather Statement | OHX | Van Buren, Warren, White | 31 min |
| Mar 27, 8:46 PM CDT | Special Weather Statement | OHX | Cumberland, White | 44 min |
| Mar 27, 8:49 PM CDT | Severe Thunderstorm Warning | OHX | Hickman, Humphreys, Perry | 41 min |
| Mar 27, 9:00 PM CDT | Special Weather Statement | OHX | Rutherford | 45 min |
| Mar 27, 9:02 PM CDT | Flash Flood Warning | OHX | Dickson, Hickman, Humphreys, Lewis, Maury, Perry | 14 hr |
| Mar 27, 9:13 PM CDT | Special Weather Statement | OHX | Davidson | 47 min |
| Mar 27, 9:22 PM CDT | Flash Flood Warning | OHX | Cheatham, Davidson, Dickson, Williamson | 14 hr |
| Mar 27, 9:27 PM CDT | Severe Thunderstorm Warning | OHX | Dickson, Hickman, Maury | 33 min |
| Mar 27, 9:35 PM CDT | Flash Flood Warning | OHX | Marshall, Maury, Rutherford, Williamson | 13 hr |
| Mar 27, 9:45 PM CDT | Special Weather Statement | OHX | Cumberland | 45 min |
| Mar 27, 9:49 PM CDT | River Flood Warning | OHX | Hickman | 6 days |
| Mar 27, 9:55 PM CDT | Severe Thunderstorm Warning | OHX | Cumberland, White | 20 min |
| Mar 27, 9:59 PM CDT | Severe Thunderstorm Warning | OHX | Hickman, Maury, Williamson | 31 min |
| Mar 27, 10:05 PM CDT | Flash Flood Warning | OHX | Cheatham, Davidson, Dickson, Robertson | 11 hr |
| Mar 27, 10:09 PM CDT | Flash Flood Warning | OHX | Davidson, Rutherford, Wilson | 11 hr |
| Mar 27, 10:17 PM CDT | Flash Flood Warning | OHX | Cannon, DeKalb, Putnam, Smith, Van Buren, Warren and 1 more | 12 hr |
| Mar 27, 10:20 PM CDT | Flash Flood Warning | OHX | Dickson, Houston, Humphreys | 11 hr |
| Mar 27, 10:29 PM CDT | Severe Thunderstorm Warning | OHX | Davidson, Rutherford, Williamson | 31 min |
| Mar 27, 10:37 PM CDT | Flash Flood Warning | OHX | Bedford, Cannon, Coffee, Rutherford, Warren, Williamson and 1 more | 11 hr |
| Mar 27, 10:45 PM CDT | River Flood Warning | OHX | Perry | 65 hr |
| Mar 27, 10:52 PM CDT | River Flood Advisory | OHX | Davidson | 13 days |
| Mar 27, 11:02 PM CDT | Special Weather Statement | OHX | Dickson, Hickman, Humphreys, Perry | 43 min |
| Mar 27, 11:08 PM CDT | Flash Flood Warning | OHX | Clay, Jackson, Macon, Putnam, Smith, Sumner and 2 more | 11 hr |
| Mar 27, 11:13 PM CDT | Special Weather Statement | OHX | Wilson | 32 min |
| Mar 27, 11:37 PM CDT | River Flood Advisory | OHX | Humphreys | 3 days |
| Mar 27, 11:37 PM CDT | River Flood Advisory | OHX | Maury | 3 hr |
| Mar 27, 11:37 PM CDT | Special Weather Statement | OHX | Davidson | 23 min |
| Mar 27, 11:40 PM CDT | Special Weather Statement | OHX | Smith, Wilson | 35 min |
| Mar 27, 11:44 PM CDT | Severe Thunderstorm Warning | OHX | Davidson, Rutherford, Williamson, Wilson | 31 min |
| Mar 27, 11:57 PM CDT | Flash Flood Warning | OHX | Clay, Fentress, Overton, Pickett, Putnam | 11 hr |
| Mar 28, 12:04 AM CDT | Flash Flood Warning | OHX | Davidson, Robertson, Sumner, Trousdale, Wilson | 6 hr |
| Mar 28, 12:13 AM CDT | River Flood Warning | OHX | Davidson | 11 hr |
| Mar 28, 12:13 AM CDT | River Flood Warning | OHX | Davidson | 6 hr |
| Mar 28, 12:13 AM CDT | River Flood Warning | OHX | Davidson | 15 hr |
| Mar 28, 12:13 AM CDT | River Flood Warning | OHX | Davidson | 15 hr |
| Mar 28, 12:15 AM CDT | Special Weather Statement | OHX | Wilson | 30 min |
| Mar 28, 12:17 AM CDT | Severe Thunderstorm Warning | OHX | Hickman, Lawrence, Lewis, Perry, Wayne | 43 min |
| Mar 28, 12:41 AM CDT | Flash Flood Warning | OHX | Davidson, Williamson, Wilson | 4 hr |
| Mar 28, 12:54 AM CDT | Severe Thunderstorm Warning | OHX | Giles, Hickman, Lawrence, Lewis, Marshall, Maury and 2 more | 36 min |
| Mar 28, 1:02 AM CDT | River Flood Warning | OHX | Hickman | 18 hr |
| Mar 28, 1:13 AM CDT | Special Weather Statement | OHX | Smith | 32 min |
| Mar 28, 1:25 AM CDT | Severe Thunderstorm Warning | OHX | Bedford, Cannon, Coffee, Giles, Lawrence, Marshall and 3 more | 35 min |
| Mar 28, 1:34 AM CDT | Special Weather Statement | OHX | Fentress, Overton, Putnam | 41 min |
| Mar 28, 1:44 AM CDT | Severe Thunderstorm Warning | OHX | Cannon, DeKalb, Rutherford, Wilson | 31 min |
| Mar 28, 1:54 AM CDT | Severe Thunderstorm Warning | OHX | Bedford, Giles, Lawrence, Marshall | 36 min |
| Mar 28, 2:07 AM CDT | River Flood Warning | OHX | Maury | 69 hr |
| Mar 28, 2:09 AM CDT | Special Weather Statement | OHX | DeKalb, Putnam | 51 min |
| Mar 28, 2:36 AM CDT | Areal Flood Advisory | OHX | Giles, Lawrence, Marshall, Wayne | 6 hr |
| Mar 28, 2:57 AM CDT | Special Weather Statement | OHX | Coffee, Grundy, Van Buren, Warren | 63 min |
| Mar 28, 2:58 AM CDT | Special Weather Statement | OHX | Cumberland, Fentress, White | 77 min |
| Mar 28, 3:25 AM CDT | River Flood Warning | OHX | Davidson | 61 hr |
| Mar 28, 3:25 AM CDT | River Flood Warning | OHX | Davidson | 18 hr |
| Mar 28, 3:25 AM CDT | River Flood Warning | OHX | Davidson | 61 hr |
| Mar 28, 3:25 AM CDT | River Flood Warning | OHX | Davidson | 61 hr |
| Mar 28, 3:25 AM CDT | River Flood Warning | OHX | Davidson | 61 hr |
| Mar 28, 3:30 AM CDT | River Flood Warning | OHX | Davidson | 63 hr |
| Mar 28, 3:30 AM CDT | River Flood Warning | OHX | Davidson | 63 hr |
| Mar 28, 3:54 AM CDT | River Flood Warning | OHX | Humphreys | 6 days |
| Mar 28, 5:44 AM CDT | River Flood Advisory | OHX | Marshall | 38 hr |
| Mar 28, 5:44 AM CDT | River Flood Advisory | OHX | Bedford, Marshall | 26 hr |
| Mar 28, 5:44 AM CDT | River Flood Advisory | OHX | Perry, Wayne | 30 hr |
| Mar 28, 5:44 AM CDT | River Flood Advisory | OHX | Giles | 43 hr |
| Mar 28, 5:44 AM CDT | River Flood Advisory | OHX | Lawrence | 23 hr |
| Mar 28, 5:52 AM CDT | Areal Flood Advisory | OHX | Davidson, Robertson, Sumner, Trousdale, Wilson | 3 hr |
| Mar 28, 6:03 AM CDT | River Flood Advisory | OHX | Cheatham | 72 hr |
| Mar 28, 8:56 AM CDT | River Flood Warning | OHX | Hickman | 3 days |
| Mar 28, 10:39 AM CDT | Areal Flood Advisory | OHX | Cannon, Clay, Cumberland, DeKalb, Fentress, Jackson and 6 more | 3 hr |
| Mar 28, 11:54 AM CDT | River Flood Warning | OHX | Sumner, Trousdale, Wilson | 43 hr |
| Mar 28, 12:30 PM CDT | River Flood Advisory | OHX | Smith | 23 hr |
| Mar 28, 12:35 PM CDT | River Flood Advisory | OHX | Bedford | 12 hr |
Nearby
River Flood Warnings in Tennessee, 2021Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.