Flood Statement
Issued by NWS St. Louis, MO

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
582
WGUS83 KLSX 221600
FLSLSX
Flood Statement
National Weather Service St Louis MO
1100 AM CDT Tue May 22 2018

...The flood warning continues for the following rivers in
Missouri...Illinois...

  Meramec River near Sullivan

  Mississippi River at Canton LD20

  Mississippi River at Quincy

  Mississippi River at Quincy LD21

  Mississippi River at Hannibal

  Mississippi River at Saverton LD22

  Mississippi River at Louisiana

  Mississippi River at Clarksville LD24

  Mississippi River at Winfield LD25

  Mississippi River at Grafton

.
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Rainfall heavier than forecast could cause river levels to rise even
higher than predicted.  The National Weather Service will monitor
this developing situation and issue follow up statements as
conditions or forecasts change.

Safety message:  Never drive cars, trucks, or sport utility vehicles
through flooded areas.  The water may be too deep to allow for safe
passage.

This product, along with additional weather and stream information,
is available at http://water.weather.gov/ahps2/index.php?wfo=lsx.

&&

MOC055-221-231601-
/O.EXT.KLSX.FL.W.0051.000000T0000Z-180524T0900Z/
/SLLM7.1.ER.180521T1655Z.180522T0845Z.180523T0900Z.NO/
1100 AM CDT Tue May 22 2018

The Flood Warning continues for
  the Meramec River near Sullivan
* until late Wednesday night.
* At 10:30 AM Tuesday the stage was 12.4 feet.
* Flood stage is 11.0 feet.
* Minor flooding is forecast.
* The river is forecast to continue falling to below flood stage by
  early tomorrow.
* Impact:  At 12.0 feet...The main entrance gate at Onondaga Cave
  State Park begins flooding near this height.  This may eventually
  force the park to use the rear entrance as the primary entrance to
  the park.
* Impact:  At 11.5 feet...A small bridge in the back of Meramec State
  Park park is flooded, cutting the park in two.  If the river
  continues to rise...park officials will evacuate the campgrounds at
  this point.
* Impact:  At 11.0 feet...Right Bank begins to overflow flooding
  wooded areas.
* Impact:  At 6.0 feet...When the river is rising above this height,
  canoe outfitters will generally not rent out canoes or rafts.

&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     05/23  05/24  05/25  05/26  05/27

Meramec River
  Sullivan        11.0   12.38      10.7    7.8    6.4    5.7    5.2


&&


LAT...LON 3800 9120 3806 9125 3829 9109 3840 9090
      3837 9082



$$

ILC001-MOC111-231601-
/O.EXT.KLSX.FL.W.0040.000000T0000Z-180526T0000Z/
/CANM7.1.ER.180507T0030Z.180514T1500Z.180525T0000Z.NO/
1100 AM CDT Tue May 22 2018

The Flood Warning continues for
  the Mississippi River at Canton LD20
* until Friday evening.
* At 10:00 AM Tuesday the stage was 15.1 feet.
* Flood stage is 14.0 feet.
* Minor flooding is forecast.
* The river is forecast to continue rising to near 15.1 feet by this
  afternoon, then fall below flood stage Thursday evening.
* Impact:  At 14.0 feet...Both banks begin to overflow.  Minor damages
  begin.
* Impact:  At 9.0 feet...Above 8.7 to 9.2 feet, the Corps will raise
  the gates out of the water, allowing for "open river" conditions.
  This corresponds to a discharge of approximately 110,000 cfs.
* Impact:  At 8.5 feet...The Corps will not allow the pool level to
  drop below 8.5 feet (higher flows below 100K).  At low flows, they
  allow a 2-foot variation between 11.0 and 13.0 feet.  At higher
  flows below 100K, the range is actually lower, between 8.5 and 10.5
  feet.  Above 110K cfs, the gates are raised above the water
  surface, allowing open river conditions.


&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     05/23  05/24  05/25  05/26  05/27

Mississippi River
  Canton LD20     14.0   15.08      14.7   14.2   13.7   13.3   12.8


&&


LAT...LON 4022 9154 4022 9142 4003 9140 4003 9153




$$

ILC001-MOC127-231601-
/O.EXT.KLSX.FL.W.0041.000000T0000Z-180524T1800Z/
/UINI2.1.ER.180508T2325Z.180515T1100Z.180523T1800Z.NO/
1100 AM CDT Tue May 22 2018

The Flood Warning continues for
  the Mississippi River at Quincy
* until Thursday afternoon.
* At 10:15 AM Tuesday the stage was 17.7 feet.
* Flood stage is 17.0 feet.
* Minor flooding is forecast.
* The river is forecast to continue falling to below flood stage by
  tomorrow early afternoon.
* Impact:  At 15.0 feet...Riverside campsites south of Quincy begin to
  flood.
* Impact:  At 14.0 feet...Unprotected bottomlands flood on both sides
  of the river above and below the gage.

&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     05/23  05/24  05/25  05/26  05/27

Mississippi River
  Quincy          17.0   17.67      17.1   16.6   16.1   15.7   15.4


&&


LAT...LON 4003 9153 4003 9140 3991 9140 3991 9152




$$

ILC001-MOC127-231516-
/O.EXT.KLSX.FL.W.0042.000000T0000Z-180523T1516Z/
/QLDI2.1.ER.180510T0700Z.180516T0300Z.180522T1516Z.NO/
1100 AM CDT Tue May 22 2018

The Flood Warning continues for
  the Mississippi River at Quincy LD21
* until Wednesday morning.
* At 10:00 AM Tuesday the stage was 17.0 feet.
* Flood stage is 17.0 feet.
* Minor flooding is occurring.
* The river is forecast to continue falling to below flood stage by
  late this morning.
* Impact:  At 17.0 feet...Flood Stage:  Minor flooding begins.
* Impact:  At 14.0 feet...Unprotected bottomlands flood.
* Impact:  At 12.3 feet...This is the upper limit of the target pool
  level at Lock and Dam 21.
* Impact:  At 12.2 feet...This is the target pool level for navigation
  at Lock & Dam 21.
* Impact:  At 12.0 feet...At some point between 11.6 to 12.1 feet, the
  Corps will lift all gates out of the river creating "open river"
  conditions, corresponding to an approximate discharge of 140,000
  cfs.
* Impact:  At 11.8 feet...This is the lower limit of the target pool
  level at Lock & Dam 21.


&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     05/23  05/24  05/25  05/26  05/27

Mississippi River
  Quincy LD21     17.0   17.01      16.4   15.9   15.4   14.9   14.4


&&


LAT...LON 3991 9152 3991 9140 3983 9135 3983 9148




$$

ILC149-MOC127-231601-
/O.EXT.KLSX.FL.W.0043.000000T0000Z-180528T1200Z/
/HNNM7.1.ER.180505T1800Z.180516T0815Z.180527T1200Z.NO/
1100 AM CDT Tue May 22 2018

The Flood Warning continues for
  the Mississippi River at Hannibal
* until Monday morning.
* At 10:15 AM Tuesday the stage was 18.3 feet.
* Flood stage is 16.0 feet.
* Minor flooding is forecast.
* The river is forecast to continue falling to below flood stage by
  Sunday morning.
* Impact:  At 18.0 feet...Gate wells are shut down to prevent the
  sewers from backing up.  Also at this level pumps are set to
  standby.
* Impact:  At 17.0 feet...John Hay Recreation Area on east side
  (inside the Illinois Sny Levee) begins flooding.
* Impact:  At 16.0 feet...Flood Stage.  Damage begins to buildings in
  unprotected low areas.  Minor flooding begins.


&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     05/23  05/24  05/25  05/26  05/27

Mississippi River
  Hannibal        16.0   18.28      17.7   17.2   16.7   16.3   16.0


&&


LAT...LON 3983 9148 3983 9135 3974 9121 3967 9135




$$

ILC149-MOC173-231601-
/O.EXT.KLSX.FL.W.0044.000000T0000Z-180525T1200Z/
/SVRM7.1.ER.180508T1346Z.180515T1700Z.180524T1200Z.NO/
1100 AM CDT Tue May 22 2018

The Flood Warning continues for
  the Mississippi River at Saverton LD22
* until Friday morning.
* At  8:00 AM Tuesday the stage was 17.4 feet.
* Flood stage is 16.0 feet.
* Minor flooding is forecast.
* The river is forecast to continue falling to below flood stage by
  Thursday morning.
* Impact:  At 13.5 feet...This is the upper navigational limit for the
  pool at Lock & Dam 22.
* Impact:  At 13.4 feet...This is the target pool for navigation at
  Lock & Dam 22.
* Impact:  At 13.0 feet...This is the lower navigational limit for the
  pool at Lock & Dam 22.
* Impact:  At 12.0 feet...Buildings in unprotected areas are damaged.
  At this approximate stage, the Corps will lift all gates out of the
  river, creating "open river" conditions.  This takes place at a
  discharge of around 160,000 cfs.

&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     05/23  05/24  05/25  05/26  05/27

Mississippi River
  Saverton LD22   16.0   17.42      16.7   16.0   15.4   14.9   14.3


&&


LAT...LON 3967 9135 3974 9121 3970 9114 3952 9097
      3945 9111



$$

ILC149-MOC163-231601-
/O.EXT.KLSX.FL.W.0045.000000T0000Z-180527T1500Z/
/LUSM7.1.ER.180506T1807Z.180517T0600Z.180526T1500Z.NO/
1100 AM CDT Tue May 22 2018

The Flood Warning continues for
  the Mississippi River at Louisiana
* until Sunday morning.
* At 10:30 AM Tuesday the stage was 17.4 feet.
* Flood stage is 15.0 feet.
* Minor flooding is forecast.
* The river is forecast to continue falling to below flood stage by
  late Saturday morning.
* Impact:  At 17.0 feet...The parking area at the boat house floods.
* Impact:  At 15.0 feet...Damage begins in unprotected areas.
* Impact:  At 12.2 feet...For barge navigation, the Corps will attempt
  to keep the river at or below this level.  Year-round target levels
  are between 11.5 and 12.2 feet.


&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     05/23  05/24  05/25  05/26  05/27

Mississippi River
  Louisiana       15.0   17.41      16.8   16.1   15.6   15.1   14.6


&&


LAT...LON 3945 9111 3952 9097 3945 9089 3939 9097




$$

ILC013-MOC163-231601-
/O.EXT.KLSX.FL.W.0046.000000T0000Z-180528T0000Z/
/CLKM7.1.ER.180506T0330Z.180517T0130Z.180527T0000Z.NO/
1100 AM CDT Tue May 22 2018

The Flood Warning continues for
  the Mississippi River at Clarksville LD24
* until Sunday evening.
* At 10:30 AM Tuesday the stage was 28.0 feet.
* Flood stage is 25.0 feet.
* Minor flooding is forecast.
* The river is forecast to continue falling to below flood stage by
  Saturday evening.
* Impact:  At 27.2 feet...Silo Park just northwest of Clarksville off
  Highway 79 begins flooding.
* Impact:  At 25.5 feet...State Route P east of Elsberry begins
  flooding just east of the levee.
* Impact:  At 25.3 feet...The road to Port Marmac, about 15 homes just
  south of Clarksville, begins flooding.
* Impact:  At 23.5 feet...Flooding begins in unprotected areas.
* Impact:  At 23.0 feet...At this approximate stage, the Corps will
  take gates out of the river, creating "open river" conditions.
  This corresponds to an approximate stage of 155,000 cfs.


&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     05/23  05/24  05/25  05/26  05/27

Mississippi River
  Clarksville LD  25.0   27.96      27.4   26.6   25.9   25.3   24.7


&&


LAT...LON 3939 9097 3945 9089 3938 9077 3923 9071
      3922 9081



$$

ILC013-MOC113-231601-
/O.EXT.KLSX.FL.W.0048.000000T0000Z-180527T0600Z/
/CAGM7.1.ER.180509T1830Z.180518T2300Z.180526T0600Z.NO/
1100 AM CDT Tue May 22 2018

The Flood Warning continues for
  the Mississippi River at Winfield LD25
* until late Saturday night.
* At 10:30 AM Tuesday the stage was 28.2 feet.
* Flood stage is 26.0 feet.
* Minor flooding is forecast.
* The river is forecast to continue falling to below flood stage by
  early Saturday morning.
* Impact:  At 28.5 feet...Much of County Highways B and C in eastern
  St. Charles County are flooded.
* Impact:  At 27.5 feet...At this stage, Lock and Dam 25 will
  stockpile 200 tons of sand, 12,000 sandbags, and 10,000 square feet
  of polyethylene plastic as a precaution.
* Impact:  At 26.0 feet...Flood Stage.  Highway B in eastern St.
  Charles County floods near the Dardenne Creek bridge.
* Impact:  At 24.0 feet...Water begins covering Highway C about a half
  mile south of Highway B in St. Charles County.
* Impact:  At 23.0 feet...A few local islands begin to flood.
* Impact:  At 21.6 feet...Near this stage, the Corps will raise all
  gates out of the river, creating "open river" conditions.  This
  corresponds to an approximate discharge of 145,000 cfs.


&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     05/23  05/24  05/25  05/26  05/27

Mississippi River
  Winfield LD25   26.0   28.21      27.9   27.2   26.5   25.8   25.2


&&


LAT...LON 3922 9081 3923 9071 3888 9057 3881 9057
      3887 9074



$$

ILC083-MOC183-231601-
/O.EXT.KLSX.FL.W.0049.000000T0000Z-180526T1800Z/
/GRFI2.1.ER.180511T1138Z.180519T1500Z.180525T1800Z.NO/
1100 AM CDT Tue May 22 2018

The Flood Warning continues for
  the Mississippi River at Grafton
* until Saturday afternoon.
* At 10:30 AM Tuesday the stage was 19.5 feet.
* Flood stage is 18.0 feet.
* Minor flooding is forecast.
* The river is forecast to continue falling to below flood stage by
  Friday early afternoon.
* Impact:  At 18.0 feet...Flood Stage.  Right bank begins to
  overflow...flooding farmland.
* Impact:  At 16.2 feet...For navigational purposes through Alton Lock
  and Dam control, the Corps will not allow the river to exceed this
  level, if at all possible.  Above this level, water inundates land
  not owned by the USACE.

&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     05/23  05/24  05/25  05/26  05/27

Mississippi River
  Grafton         18.0   19.55      19.4   19.0   18.2   17.6   17.0


&&


LAT...LON 3881 9057 3888 9057 3899 9046 3895 9028
      3882 9048



$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.