Alert archive / Illinois / River Flood Warnings in 2021
River Flood Warning 43, NWS Lincoln, IL
NWS Lincoln, IL issued this river flood warning at Jul 16, 2021, 8:43 PM CDT for Cass County, Mason County, Illinois. It took effect at Jul 17, 2021, 5:30 PM CDT. It was in force for 39 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 16, 2021, 8:43 PM CDT (01:43 UTC)
- In effect from
- Jul 17, 2021, 5:30 PM CDT
- Expired
- Jul 19, 2021, 8:46 AM CDT
- In force
- 39 hr
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Cass County, IL, Mason County, IL
The radar
The Lincoln radar (KILX), 72 km from the middle of the area, began a volume at 01:43 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 Sangamon River near Chandlerville (CDLI2).
- Action stage
- 454 ft
- Minor stage
- 456.6 ft
- Moderate stage
- 459 ft
- Major stage
- 462 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record, 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.
804
WGUS43 KILX 170143
FLWILX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Lincoln IL
843 PM CDT Fri Jul 16 2021
...The National Weather Service in Lincoln IL has issued a Flood
Warning for the following rivers in Illinois...
Sangamon River near Chandlerville affecting Cass and Mason
Counties.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC017-125-171745-
/O.NEW.KILX.FL.W.0043.210717T2230Z-210721T1200Z/
/CDLI2.1.ER.210717T2230Z.210719T1200Z.210721T0600Z.NO/
843 PM CDT Fri Jul 16 2021
The National Weather Service in Lincoln has issued a
* Flood Warning for
the Sangamon River near Chandlerville.
* From Saturday afternoon to Wednesday morning.
* At 8:00 PM CDT Friday the stage was 454.9 feet.
* Flood stage is 456.6 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage
tomorrow afternoon to a crest of 457.7 feet Monday morning. It
will then fall below flood stage early Wednesday morning.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Sat Sun Mon
Sangamon River
Chandlerville 456.6 454.9 Fri 8 pm CDT 456.7 457.5 457.7
&&
LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
4010 9036 4010 9017
$$
Erwin7 follow-up statements
170
WGUS83 KILX 171547
FLSILX
Flood Statement
National Weather Service Lincoln IL
1047 AM CDT Sat Jul 17 2021
...The Flood Warning continues for the following rivers in
Illinois...
Sangamon River near Chandlerville affecting Cass and Mason
Counties.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC017-125-180800-
/O.EXT.KILX.FL.W.0043.210717T2230Z-210720T2024Z/
/CDLI2.1.ER.210717T2230Z.210719T0600Z.210720T1424Z.NO/
1047 AM CDT Sat Jul 17 2021
...The Flood Warning is now in effect until Tuesday afternoon...
The Flood Warning continues for
the Sangamon River near Chandlerville.
* From this afternoon to Tuesday afternoon.
* At 10:00 AM CDT Saturday the stage was 456.2 feet.
* Flood stage is 456.6 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
this afternoon to a crest of 457.8 feet early Monday morning. It
will then fall below flood stage late Tuesday morning.
&&
Fld Observed Forecasts (1 pm CDT)
Location Stg Stg Day/Time Sun Mon Tue
Sangamon River
Chandlerville 456.6 456.2 Sat 10 am CD 457.5 457.8 456.3
&&
LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
4010 9036 4010 9017
$$
Ousley909
WGUS83 KILX 171610
FLSILX
Flood Statement
National Weather Service Lincoln IL
1110 AM CDT Sat Jul 17 2021
...The Flood Warning continues for the following rivers in
Illinois...
Sangamon River near Chandlerville affecting Cass and Mason
Counties.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC017-125-180815-
/O.CON.KILX.FL.W.0043.210717T2230Z-210720T2024Z/
/CDLI2.1.ER.210717T2230Z.210719T0600Z.210720T1424Z.NO/
1110 AM CDT Sat Jul 17 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Sangamon River near Chandlerville.
* From this afternoon to Tuesday afternoon.
* At 11:00 AM CDT Saturday the stage was 456.2 feet.
* Flood stage is 456.6 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
this afternoon to a crest of 457.8 feet early Monday morning. It
will then fall below flood stage late Tuesday morning.
&&
Fld Observed Forecasts (1 pm CDT)
Location Stg Stg Day/Time Sun Mon Tue
Sangamon River
Chandlerville 456.6 456.2 Sat 11 am CD 457.5 457.8 456.3
&&
LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
4010 9036 4010 9017
$$
Ousley657
WGUS83 KILX 180227
FLSILX
Flood Statement
National Weather Service Lincoln IL
927 PM CDT Sat Jul 17 2021
...The Flood Warning is extended for the following rivers in
Illinois...
Sangamon River near Chandlerville affecting Cass and Mason
Counties.
Sangamon River at Monticello affecting Piatt County.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC017-125-181830-
/O.EXT.KILX.FL.W.0043.000000T0000Z-210720T2136Z/
/CDLI2.1.ER.210717T2335Z.210719T1200Z.210720T1536Z.NO/
927 PM CDT Sat Jul 17 2021
...The Flood Warning is now in effect until Tuesday afternoon...
The Flood Warning continues for
the Sangamon River near Chandlerville.
* Until Tuesday afternoon.
* At 9:00 PM CDT Saturday the stage was 456.7 feet.
* Flood stage is 456.6 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 9:00 PM CDT Saturday was 456.7 feet.
* Forecast...The river is expected to rise to a crest of 457.9 feet
Monday morning. It will then fall below flood stage late Tuesday
morning.
* Impact...At 459.9 feet, Flooding begins to impact some residences
in Chandlerville.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Sun Mon Tue
Sangamon River
Chandlerville 456.6 456.7 Sat 9 pm CDT 457.6 457.7 455.8
&&
LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
4010 9036 4010 9017
$$
ILC147-181830-
/O.EXT.KILX.FL.W.0044.210719T2200Z-210721T1000Z/
/MNTI2.1.ER.210719T2200Z.210720T1200Z.210721T0400Z.NO/
927 PM CDT Sat Jul 17 2021
...The Flood Warning is now in effect until early Wednesday
morning...
The Flood Warning continues for
the Sangamon River at Monticello.
* From Monday afternoon to early Wednesday morning.
* At 9:00 PM CDT Saturday the stage was 10.8 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage Monday
afternoon to a crest of 13.5 feet Tuesday morning. It will then
fall below flood stage late Tuesday evening.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Sun Mon Tue
Sangamon River
Monticello 13.0 10.8 Sat 9 pm CDT 11.8 13.1 13.2
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
MJA179
WGUS83 KILX 181458
FLSILX
Flood Statement
National Weather Service Lincoln IL
958 AM CDT Sun Jul 18 2021
...The Flood Warning continues for the following rivers in
Illinois...
Sangamon River near Chandlerville affecting Cass and Mason
Counties.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC017-125-190700-
/O.EXT.KILX.FL.W.0043.000000T0000Z-210720T1500Z/
/CDLI2.1.ER.210717T2335Z.210719T0600Z.210720T0900Z.NO/
958 AM CDT Sun Jul 18 2021
...The Flood Warning is now in effect until late Tuesday morning...
The Flood Warning continues for
the Sangamon River near Chandlerville.
* Until late Tuesday morning.
* At 9:00 AM CDT Sunday the stage was 457.0 feet.
* Flood stage is 456.6 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 9:00 AM CDT Sunday was 457.0 feet.
* Forecast...The river is expected to rise to a crest of 457.2 feet
just after midnight tonight. It will then fall below flood stage
early Tuesday morning.
&&
Fld Observed Forecasts (7 am CDT)
Location Stg Stg Day/Time Mon Tue Wed
Sangamon River
Chandlerville 456.6 457.0 Sun 9 am CDT 457.2 456.4 454.7
&&
LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
4010 9036 4010 9017
$$
Barnes691
WGUS83 KILX 190213
FLSILX
Flood Statement
National Weather Service Lincoln IL
913 PM CDT Sun Jul 18 2021
...The Flood Warning continues for the following rivers in
Illinois...
Sangamon River near Chandlerville affecting Cass and Mason
Counties.
Sangamon River at Monticello affecting Piatt County.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC017-125-191815-
/O.CON.KILX.FL.W.0043.000000T0000Z-210720T1500Z/
/CDLI2.1.ER.210717T2335Z.210719T0600Z.210720T0900Z.NO/
913 PM CDT Sun Jul 18 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Sangamon River near Chandlerville.
* Until late Tuesday morning.
* At 9:00 PM CDT Sunday the stage was 456.9 feet.
* Flood stage is 456.6 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 9:00 PM CDT Sunday was 457.1 feet.
* Forecast...The river is expected to rise to a crest of 457.2 feet
just after midnight tonight. It will then fall below flood stage
early Tuesday morning.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Mon Tue Wed
Sangamon River
Chandlerville 456.6 456.9 Sun 9 pm CDT 457.0 455.5 453.9
&&
LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
4010 9036 4010 9017
$$
ILC147-191815-
/O.CON.KILX.FL.W.0044.210719T2230Z-210722T0600Z/
/MNTI2.1.ER.210719T2230Z.210721T0000Z.210722T0000Z.NO/
913 PM CDT Sun Jul 18 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Sangamon River at Monticello.
* From Monday afternoon to early Thursday morning.
* At 9:00 PM CDT Sunday the stage was 11.4 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage
tomorrow afternoon to a crest of 14.0 feet Tuesday evening. It
will then fall below flood stage Wednesday evening.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Mon Tue Wed
Sangamon River
Monticello 13.0 11.4 Sun 9 pm CDT 13.1 14.0 13.0
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
MJA559
WGUS83 KILX 190410
FLSILX
Flood Statement
National Weather Service Lincoln IL
1110 PM CDT Sun Jul 18 2021
...The Flood Warning is extended for the following rivers in
Illinois...
Sangamon River at Monticello affecting Piatt County.
...The Flood Warning continues for the following rivers in
Illinois...
Sangamon River near Chandlerville affecting Cass and Mason
Counties.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC017-125-191800-
/O.EXT.KILX.FL.W.0043.000000T0000Z-210719T1800Z/
/CDLI2.1.ER.210717T2335Z.210718T1730Z.210719T1200Z.NO/
1110 PM CDT Sun Jul 18 2021
...The Flood Warning is now in effect until early tomorrow
afternoon...
The Flood Warning continues for
the Sangamon River near Chandlerville.
* Until early tomorrow afternoon.
* At 11:00 PM CDT Sunday the stage was 456.8 feet.
* Flood stage is 456.6 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 11:00 PM CDT Sunday was 457.1 feet.
* Forecast...The river is expected to fall below flood stage
tomorrow morning and continue falling to 451.3 feet Sunday evening.
&&
Fld Observed Forecasts (1 am CDT)
Location Stg Stg Day/Time Tue Wed Thu
Sangamon River
Chandlerville 456.6 456.8 Sun 11 pm CD 455.8 454.2 453.2
&&
LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
4010 9036 4010 9017
$$
ILC147-192015-
/O.EXT.KILX.FL.W.0044.210719T2248Z-210722T0600Z/
/MNTI2.1.ER.210719T2248Z.210721T0000Z.210722T0000Z.NO/
1110 PM CDT Sun Jul 18 2021
...The Flood Warning is now in effect until early Thursday morning...
The Flood Warning continues for
the Sangamon River at Monticello.
* From Monday afternoon to early Thursday morning.
* At 11:00 PM CDT Sunday the stage was 11.5 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage
tomorrow afternoon to a crest of 14.0 feet Tuesday evening. It
will then fall below flood stage Wednesday evening.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.
&&
Fld Observed Forecasts (1 am CDT)
Location Stg Stg Day/Time Tue Wed Thu
Sangamon River
Monticello 13.0 11.5 Sun 11 pm CD 13.4 13.9 12.6
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
25274
WGUS83 KILX 191346
FLSILX
Flood Statement
National Weather Service Lincoln IL
846 AM CDT Mon Jul 19 2021
...The Flood Warning is cancelled for the following rivers in
Illinois...
Sangamon River near Chandlerville affecting Cass and Mason
Counties.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
ILC017-125-191500-
/O.CAN.KILX.FL.W.0043.000000T0000Z-210719T1346Z/
/CDLI2.1.ER.210717T2335Z.210718T1730Z.210719T1200Z.NO/
846 AM CDT Mon Jul 19 2021
...The Flood Warning for the Sangamon River near Chandlerville has
been cancelled...
The Flood Warning is cancelled for
the Sangamon River near Chandlerville.
* At 8:00 AM CDT Monday the stage was 456.5 feet.
* Flood stage is 456.6 feet.
* Forecast...The river is expected to fall to 450.9 feet Monday
morning.
&&
Fld Observed Forecasts (7 am CDT)
Location Stg Stg Day/Time Tue Wed Thu
Sangamon River
Chandlerville 456.6 456.5 Mon 8 am CDT 455.5 453.9 453.0
&&
LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
4010 9036 4010 9017
$$
DRHThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 11:10 AM CDT | River Flood Warning | ILX | Piatt | 4 days |
Nearby
River Flood Warnings in Illinois, 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.