River Flood Warning 80, NWS St. Louis, MO

480 
WGUS83 KLSX 070344
FLSLSX
Flood Statement
National Weather Service St Louis MO
1044 PM CDT Thu Sep 6 2018

...The flood warning continues for the following rivers in 
Missouri...
 
  Missouri River near Chamois

  Missouri River at Gasconade

  Missouri River at Hermann


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.

&&

MOC027-151-080343-
/O.EXT.KLSX.FL.W.0078.180909T2230Z-180912T0712Z/
/CMSM7.1.ER.180909T2230Z.180910T0000Z.180910T1912Z.NO/
1044 PM CDT Thu Sep 6 2018

The Flood Warning continues for
  the Missouri River near Chamois
* from Sunday afternoon to late Tuesday night.
* At  7:20 AM Thursday the stage was 11.7 feet.
* Flood stage is 17.0 feet.
* Minor flooding is forecast.
* The river is forecast to rise above flood stage by Sunday afternoon
  and to crest near 17.1 feet by Sunday evening. The river is 
  forecast to fall below flood stage by Monday early afternoon.
* Impact:  At 17.0 feet...Flood Stage:  Lower lying bottom land begins
  to flood.

&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     09/07  09/08  09/09  09/10  09/11

Missouri River
  Chamois         17.0   11.70      13.5   13.6   16.3   17.1   15.3


&&


LAT...LON 3871 9185 3873 9164 3868 9164 3855 9192
      3864 9198                       



$$

MOC073-139-080343-
/O.EXT.KLSX.FL.W.0079.180909T0730Z-180913T0400Z/
/GSCM7.1.ER.180909T0730Z.180910T0600Z.180911T1600Z.NO/
1044 PM CDT Thu Sep 6 2018

The Flood Warning continues for
  the Missouri River at Gasconade
* from late Saturday night to Wednesday evening.
* At  2:05 PM Thursday the stage was 18.5 feet.
* Flood stage is 22.0 feet.
* Minor flooding is forecast.
* The river is forecast to rise above flood stage by early Sunday 
  morning and to crest near 23.4 feet by Monday morning. The river is
  forecast to fall below flood stage by late Tuesday morning.
* Impact:  At 23.5 feet...The southern end of School House Road south 
  of Rhineland begins flooding near this height.
* Impact:  At 22.4 feet...Gasconade Park boat ramp...BBQ grills...and 
  parking area begins flooding near this height.
* Impact:  At 22.0 feet...Minor flooding of cropland begins.


&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     09/07  09/08  09/09  09/10  09/11

Missouri River
  Gasconade       22.0   18.50      19.3   19.9   22.6   23.4   22.4


&&


LAT...LON 3872 9150 3869 9150 3866 9156 3868 9164
      3873 9164                       



$$

MOC073-139-080343-
/O.EXT.KLSX.FL.W.0080.180910T0000Z-180911T1800Z/
/HRNM7.1.ER.180910T0000Z.180910T0600Z.180910T1800Z.NO/
1044 PM CDT Thu Sep 6 2018

The Flood Warning continues for
  the Missouri River at Hermann
* from Sunday evening to Tuesday afternoon.
* At 10:30 PM Thursday the stage was 16.6 feet.
* Flood stage is 21.0 feet.
* Minor flooding is forecast.
* The river is forecast to rise above flood stage by Sunday evening 
  and crest near 21.1 feet by Monday morning. The river is 
  forecast to fall below flood stage by Monday early afternoon.
* Impact:  At 21.0 feet...Minor flooding of cropland begins...
  particularly just north of the Highway 19 bridge along the Loutre 
  River.

&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     09/07  09/08  09/09  09/10  09/11

Missouri River
  Hermann         21.0   16.62      16.7   17.1   19.2   21.1   19.3


&&


LAT...LON 3875 9136 3866 9119 3861 9123 3869 9150
      3872 9150                       



$$

473 
WGUS83 KLSX 071538
FLSLSX
Flood Statement
National Weather Service St Louis MO
1038 AM CDT Fri Sep 7 2018

...The flood warning is cancelled for the Missouri River...
 
                        ...at Hermann

...The flood warning continues for the Missouri River...
 
                        ...near Chamois
                        ...at Gasconade

.This Flood Warning is a result of up to 2 inches of rainfall the 
past 48 hours and 3.75 inches forecast in the next 48 hours...

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.

&&

MOC027-151-081537-
/O.EXT.KLSX.FL.W.0078.180909T1200Z-180911T0000Z/
/CMSM7.1.ER.180909T1200Z.180909T1200Z.180909T1200Z.NO/
1038 AM CDT Fri Sep 7 2018

The Flood Warning continues for
  the Missouri River near Chamois
* from Sunday morning to Monday evening.
* At  7:20 AM Friday the stage was 12.9 feet.
* Flood stage is 17.0 feet.
* The river is expected to rise to near flood stage Sunday morning.

&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     09/08  09/09  09/10  09/11  09/12

Missouri River
  Chamois         17.0   12.90      14.9   17.0   16.3   14.5   11.9


&&


LAT...LON 3871 9185 3873 9164 3868 9164 3855 9192
      3864 9198                       



$$

MOC073-139-081537-
/O.EXT.KLSX.FL.W.0079.180908T1415Z-180912T0600Z/
/GSCM7.1.ER.180908T1415Z.180909T0600Z.180910T1800Z.NO/
1038 AM CDT Fri Sep 7 2018

The Flood Warning continues for
  the Missouri River at Gasconade
* from Saturday morning to late Tuesday night.
* At  7:52 AM Friday the stage was 19.0 feet.
* Flood stage is 22.0 feet.
* Minor flooding is forecast.
* The river is forecast to rise above flood stage by tomorrow late 
  morning and to crest near 23.6 feet by early Sunday morning. The 
  river is forecast to fall below flood stage by Monday early 
  afternoon.
* Impact:  At 23.5 feet...The southern end of School House Road south 
  of Rhineland begins flooding near this height.
* Impact:  At 22.4 feet...Gasconade Park boat ramp...BBQ grills...and 
  parking area begins flooding near this height.

&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     09/08  09/09  09/10  09/11  09/12

Missouri River
  Gasconade       22.0   19.00      21.7   23.5   22.4   20.2   17.1

&&

LAT...LON 3872 9150 3869 9150 3866 9156 3868 9164
      3873 9164                       



$$

MOC073-139-071608-
/O.CAN.KLSX.FL.W.0080.000000T0000Z-180911T1800Z/
/HRNM7.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1038 AM CDT Fri Sep 7 2018

The Flood Warning is cancelled for
  the Missouri River at Hermann.
* At  9:30 AM Friday the stage was 16.8 feet.
* Flood stage is 21.0 feet.
* The river will crest below flood stage at 20.3 feet Sunday morning.

&&
                   Fld   Latest              7 a.m. Forecast
LOCATION           Stg  Obs Stg     09/08  09/09  09/10  09/11  09/12

Missouri River
  Hermann         21.0   16.79      18.0   20.3   20.0   18.6   16.1

&&

LAT...LON 3875 9136 3866 9119 3861 9123 3869 9150
      3872 9150                       



$$

Area Forecast Discussion...Updated Aviation
National Weather Service Saint Louis MO
655 AM CDT Thu Sep 6 2018

.SHORT TERM...  (Through Late Tonight)
Issued at 356 AM CDT Thu Sep 6 2018

Main concerns during this period will be the potential for heavy
rainfall.  A flash flood watch has been issued for the for all but
the far southern CWA starting at midnight.

A persistent band of showers and isolated thunderstorms continued to
move northeast across parts of central and northeast Missouri as
well as west central Illinois.  There has been some locally heavy
rainfall in this band, with radar estimates of up to 3" in Monroe
County Missouri.  This band is occurring in an area of elongated
moisture convergence to the north of a stalled front that extends
from southwest Missouri through the St. Louis Metro into southeast
Illinois.  Will keep likely/categorical PoPs going through the
morning across this same area as strong forcing is expected to
persist per the RAP. Then the focus for the best chance for rain
later today into this evening will shift southward across central
and southeast Missouri. Will carry likely PoPs across these areas
this afternoon and this evening as the atmosphere will be unstable
and the GFS is showing increased low level moisture convergence in
advance of Tropical Depression Gordon.  Then tonight, the focus for
likely PoPs shift back along and north of I-70 as there will be
increased mid level ascent from an upper trough moving in from the
Central Plains.  The NAM/GFS is also showing a significant increase
in low level moisture convergence over the central and northern CWA
tonight. PWATS will also be over 2" today and tonight which
indicates there will be ample moisture for heavy rainfall,
particularly tonight.

Temperatures will range from the mid 70s north of the front where
there will be rain most of the day, to the upper 80s south of the
front. Lows will be mainly in the 60s to around 70.

Britt

.LONG TERM...  (Friday through Wednesday)
Issued at 356 AM CDT Thu Sep 6 2018

Forecast guidance with respect to the remnants of TD Gordon is
mostly trending a bit further south than previous runs.  After close
collaboration with neighboring offices and WPC, will go ahead and
issue a Flash Flood Watch starting tonight at 6Z for the majority of
the area, and a second segment for our southeast Missouri counties
starting at 18Z Friday.  Both segments will expire at 12Z Sunday
morning.  The synoptic situation hasn't changed much since previous
forecast.  GFS/ECMWF/NAM are in good agreement that deep tropical
moisture from TD Gordon will interact with the front that stalls
over the region today.  Strong moisture convergence sets up over
along the low level baroclinic zone as the 850mb wind turns to the
south tonight, and all guidance prints out widespread QPF across
northeast Missouri and west central Illinois through Friday morning.
With P-wats in excess of 2 inches expect very efficient rain
producing showers and storms. The rain will likely spread south as
Gordon meanders through Arkansas and the baroclinic zone sags
southward as high pressure builds across the Upper Midwest. GFS
and ECMWF favor the aforementioned more southerly track of Gordon
and the baroclinic zone, while the NAM is still a little more
northerly. Hard to argue with the global models too much as they
tend to do better in situations like these, but I did keep 3-5
inches of QPF up across northeast Missouri and west central
Illinois. Locally higher amounts are of course likely.

By Friday evening into Saturday, the remnants of Gordon will start
moving northeast as a shortwave trof dips into the eastern Plains.
Models show a very strong baroclinic zone with strong frontogenesis
and moisture convergence ahead of the system along and south of the
I-70 corridor late Friday night into Saturday.  This may be the
heaviest rainfall that the area sees from 06Z Saturday through 06Z
Sunday as the remnants of Gordon slide northeast across southern
Missouri into southern Illinois.  3-6 inches look likely along and
south of I-70 by the time the storm exits the region on Sunday.
Locally higher amounts are also likely.

The remainder of the forecast through the middle of next week looks
quiet and dry with high pressure dominating our weather.
Temperatures through the period look mild to seasonably warm with
highs only in the 70s Friday through Sunday due to clouds and precip
then warming into the low to mid 80s by the middle of next week.
Expect near normal to slightly below normal lows in the mid 50s to
low 60s.

Many thanks for collaboration efforts to my counterparts at WFOs
EAX, SGF, PAH, ILX, and DVN this morning!  Also thank you to the
midnight crew at WPC!

Carney

&&

.AVIATION...  (For the 12z TAFs through 12z Friday Morning)
Issued at 634 AM CDT Thu Sep 6 2018

Showers and scattered thunderstorms will continue at KUIN and be
in the vicinity of KCOU this morning. Scattered showers and
thunderstorms will move into the St. Louis area terminals by this
afternoon. More widespread rain will move back into all of the
terminals tonight. MVFR and IFR conditions are expected during the
period, especially with the heavier rainfall.

SPECIFICS FOR KSTL:

Current dry and VFR conditions are expected through the morning
before scattered showers and thunderstorms move into the terminal
during the afternoon hours. More widespread rain will move into
terminal late tonight. MVFR and IFR conditions are expected with
the showers and thunderstorms.

Britt

&&

.PRELIMINARY POINT TEMPS/POPS...
Saint Louis     86  71  79  66 /  50  60  70  80
Quincy          75  65  72  60 /  80  60  80  70
Columbia        81  69  75  64 /  50  70  70  70
Jefferson City  83  70  77  66 /  60  60  70  70
Salem           86  71  79  66 /  50  50  70  70
Farmington      82  68  80  67 /  60  60  70  70

&&

.LSX WATCHES/WARNINGS/ADVISORIES...
MO...Flash Flood Watch from Friday afternoon through Sunday morning
     for Crawford MO-Iron MO-Madison MO-Reynolds MO-Saint
     Francois MO-Sainte Genevieve MO-Washington MO.

     Flash Flood Watch from late tonight through Sunday morning for
     Audrain MO-Boone MO-Callaway MO-Cole MO-Franklin MO-
     Gasconade MO-Jefferson MO-Knox MO-Lewis MO-Lincoln MO-
     Marion MO-Moniteau MO-Monroe MO-Montgomery MO-Osage MO-Pike
     MO-Ralls MO-Saint Charles MO-Saint Louis City MO-Saint
     Louis MO-Shelby MO-Warren MO.

IL...Flash Flood Watch from Friday afternoon through Sunday morning
     for Randolph IL.

     Flash Flood Watch from late tonight through Sunday morning for
     Adams IL-Bond IL-Brown IL-Calhoun IL-Clinton IL-Fayette IL-
     Greene IL-Jersey IL-Macoupin IL-Madison IL-Marion IL-Monroe
     IL-Montgomery IL-Pike IL-Saint Clair IL-Washington IL.

&&

WFO LSX

Hazardous Weather Outlook
National Weather Service Saint Louis MO
417 AM CDT Thu Sep 6 2018

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-071200-
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL-
Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Knox MO-
Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO-
Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO-
Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO-
Madison MO-Reynolds MO-
417 AM CDT Thu Sep 6 2018

This hazardous weather outlook is for portions of eastern and
central Missouri as well as west central and southwest Illinois.

.DAY ONE...Today and Tonight

There is a chance of thunderstorms across the area today and
tonight. Heavy rain and possibly flash flooding are possible with
some of these storms, particularly late tonight. Widespread severe
thunderstorms are not expected at this time. A flash flood watch
is in effect for parts of central, northeast, and east central
Missouri as well as west central and southwest Illinois starting
late tonight.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There is a chance for thunderstorms and heavy rain through Sunday
over parts of the area. The highest rainfall rates and greatest
rainfall amounts will occur Saturday and Saturday night as
Tropical Depression Gordon interacts with a stalled front along
the I-70 corridor. 3 to 6 inches of rainfall is possible across
much of the area with locally higher amounts. A flash flood watch
is in effect for the entire area from Friday through early Sunday
morning due to this expected heavy rainfall.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

Carney

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
721 AM CDT THU SEP 6 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0720 AM     HEAVY RAIN       3 W FLORIDA             39.50N 91.85W
09/06/2018  M4.20 INCH       MONROE             MO   TRAINED SPOTTER

            24 HOUR RAINFALL TOTAL.

&&

PW

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
728 AM CDT THU SEP 6 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0722 AM     FLOOD            RENSSELAER              39.67N 91.54W
09/06/2018                   RALLS              MO   LAW ENFORCEMENT

            WATER ON HIGHWAY H 2 MILES SOUTH OF HIGHWAY
            36.

&&

BRITT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
732 AM CDT THU SEP 6 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0732 AM     HEAVY RAIN       HANNIBAL                39.71N 91.38W
09/06/2018  M3.50 INCH       MARION             MO   TRAINED SPOTTER

            7 HOUR RAIN TOTAL.

&&

PW

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
749 AM CDT THU SEP 6 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0747 AM     FLASH FLOOD      1 SE MONROE CITY        39.64N 91.72W
09/06/2018                   MONROE             MO   DEPT OF HIGHWAYS

            ROUE W WESTBOUND CLOSED DUE TO FLOODING. 4
            INCHES OR MORE OF WATER ON THE ROADWAY AT
            THE INTERSECTION OF RT W AND HIGHWAY 24.

&&

CARNEY