Alert archive / California / River Flood Warnings in 2017

River Flood Warning 7, NWS Sacramento, CA

January 9, 2017Amador County, El Dorado County, Sacramento County, California

NWS Sacramento, CA issued this river flood warning at Jan 9, 2017, 10:00 PM PST for Amador County, El Dorado County, Sacramento County, California. It took effect at Jan 10, 2017, 2:20 PM PST. It was in force for 19 hr.

The area

The outline as issued.

The facts

Issued
Jan 9, 2017, 10:00 PM PST (06:00 UTC)
In effect from
Jan 10, 2017, 2:20 PM PST
Expired
Jan 11, 2017, 9:02 AM PST
In force
19 hr
Issued by
NWS Sacramento, CA
Area
Storm-based polygon
Flood severity
Minor

Counties Amador County, CA, El Dorado County, CA, Sacramento County, CA

The radar

The Sacramento radar (KDAX), 44 km from the middle of the area, began a volume at 05:59 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 Cosumnes River at Michigan Bar (MHBC1).

Action stage
7 ft
Minor stage
12 ft
Moderate stage
16 ft
Major stage
18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 11335000, 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.

302 
WGUS46 KSTO 100600
FLWLSJ
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SACRAMENTO CA
1000 PM PST MON JAN 9 2017

...The National Weather Service in Sacramento has issued a Flood 
Warning for the following rivers in California... 

  Cosumnes River At Michigan Bar

.An incoming Pacific storm system will generate renewed rises on some
area rivers.The Cosumnes River at Michigan Bar is expected to again rise above
flood stage by Tuesday evening.The Tuolumne River at Modesto is expected
to crest Tuesday evening.

Forecasts are based on present and forecasted meteorological and 
hydrologic conditions at time of issuance.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Unlisted forecast points are expected to remain below monitor stage.
All those affected by river conditions should remain alert for rapid 
changes and for possible forecast revisions.

For more hydrologic information and stage definitions refer to the 
following web site:  http://www.wrh.noaa.gov/sto/hydro_data.php


The next statement will be issued Tuesday January 10, 2017 at 300 AM.

&&

CAC099-110800-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MDSC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
1000 PM PST MON JAN 9 2017

Forecast information for
  Tuolumne River At Modesto.
* At  8:30 PM Monday the stage was 47.9 feet.
* No flooding is currently forecast.
* forecast to rise above monitor stage of 50.5 ft tomorrow morning 
  then forecast to crest near 52.0 ft late tomorrow evening.
* Flood stage 55.0 ft
* Monitor stage 50.5 ft


 &&

LAT...LON 3763 12120 3771 12075 3758 12069 3752 12112


$$

CAC067-077-110800-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/THTC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
1000 PM PST MON JAN 9 2017

Forecast information for
  Mokelumne River Near Benson's Ferry Near Thornton.
* At  9:15 PM Monday the stage was 14.2 feet.
* No flooding is currently forecast.
* forecast to rise to near  16.0 ft tomorrow afternoon then forecast 
  to fluctuate near 16.0 ft thru late tomorrow evening.
* Flood stage 17.0 ft
* Monitor stage 12.0 ft


 &&

LAT...LON 3829 12154 3829 12134 3820 12128 3820 12150


$$

CAC005-017-067-110800-
/O.NEW.KSTO.FL.W.0007.170111T0320Z-000000T0000Z/
/MHBC1.1.ER.170111T0320Z.170111T0500Z.000000T0000Z.NO/
1000 PM PST MON JAN 9 2017

The National Weather Service in Sacramento has issued a 

* Flood Warning for 
  The Cosumnes River At Michigan Bar.
* FROM TUESDAY EVENING UNTIL FURTHER NOTICE.
* At  9:30 PM Monday the stage was 9.9 feet.
* Minor flooding is forecast.
* forecast to recede to near 9.0 ft tomorrow morning then expected to
  rise above flood stage of  12.0 ft tomorrow evening then forecast 
  to rise to near  12.5 ft late tomorrow evening with continued rise 
  expected.
* Flood stage 12.0 ft
* Monitor stage 7.0 ft
* Impact...Near 12.0 feet, Water flows on to the road near Wilton.
* Impact...Near 8.0 feet, Low lying lands along the river begin to 
  flood.

 &&

LAT...LON 3848 12133 3859 12103 3842 12092 3836 12124


$$

CAC067-077-110759-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MCNC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
1000 PM PST MON JAN 9 2017

Forecast information for
  Cosumnes River Near Mcconnell.
* At  9:15 PM Monday the stage was 43.7 feet.
* No flooding is currently forecast.
* forecast to fluctuate near 44.0 ft thru early tomorrow morning then
  forecast to recede to near 42.0 ft tomorrow evening then forecast 
  to fluctuate near 42.0 ft thru late tomorrow evening.
* Flood stage 46.0 ft
* Monitor stage 40.0 ft
* Impact...Near 39.0 feet, The Cosumnes River overflow channel begins 
  to flow.

 &&

LAT...LON 3833 12147 3848 12133 3832 12124 3823 12140


$$
7 follow-up statements
926 
WGUS86 KSTO 101040
FLSLSJ
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
240 AM PST TUE JAN 10 2017

...The Flood Warning continues for the following rivers in 
California...
 
  Cosumnes River At Michigan Bar

.An incoming Pacific storm system will generate renewed rises on
the Lower San Joaquin River system. The Cosumnes River at Michigan
Bar is expected to rise above flood stage this evening. The Cosumnes
River at McConnell and the Tuolumne River at Modesto are forecast
to reach Monitor Stage.

Forecasts are based on present and forecasted meteorological and 
hydrologic conditions at time of issuance.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Unlisted forecast points are expected to remain below monitor stage.
All those affected by river conditions should remain alert for rapid 
changes and for possible forecast revisions.

For more hydrologic information and stage definitions refer to the 
following web site:  http://www.wrh.noaa.gov/sto/hydro_data.php


The next statement will be issued Tuesday, January 10, 2017 at
900 AM.

&&

CAC099-111240-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MDSC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
240 AM PST TUE JAN 10 2017

Forecast information for
  Tuolumne River At Modesto.
* At  1:30 AM Tuesday the stage was 49.1 feet.
* forecast to rise above monitor stage of 50.5 ft this morning then 
  forecast to rise to near  52.0 ft near this midnight then forecast 
  to fluctuate near 52.0 ft thru early tomorrow morning.
* Flood stage 55.0 ft
* Monitor stage 50.5 ft


 &&

LAT...LON 3763 12120 3771 12075 3758 12069 3752 12112


$$

CAC005-017-067-111240-
/O.EXT.KSTO.FL.W.0007.170111T0230Z-000000T0000Z/
/MHBC1.1.ER.170111T0230Z.170111T1000Z.000000T0000Z.NO/
240 AM PST TUE JAN 10 2017

The Flood Warning continues for
  The Cosumnes River At Michigan Bar.
* FROM THIS EVENING UNTIL FURTHER NOTICE.
* At  1:30 AM Tuesday the stage was 9.7 feet.
* Minor flooding is forecast.
* expected to rise above flood stage of  12.0 ft this evening then 
  forecast to rise to near  14.0 ft early tomorrow morning with 
  continued rise expected.
* Flood stage 12.0 ft
* Monitor stage 7.0 ft
* Impact...Near 13.2 feet, Water floods houses in Wilton. The south 
  bank levee near Wilton is overtopped.
* Impact...Near 12.0 feet, Water flows on to the road near Wilton.
* Impact...Near 8.0 feet, Low lying lands along the river begin to 
  flood.


 &&

LAT...LON 3848 12133 3859 12103 3842 12092 3836 12124


$$

CAC067-077-111240-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MCNC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
240 AM PST TUE JAN 10 2017

Forecast information for
  Cosumnes River Near Mcconnell.
* At  2:15 AM Tuesday the stage was 43.4 feet.
* forecast to recede to near 42.0 ft this evening then forecast to 
  rise to near  43.0 ft early tomorrow morning with continued rise 
  expected.
* Flood stage 46.0 ft
* Monitor stage 40.0 ft
* Impact...Near 39.0 feet, The Cosumnes River overflow channel begins 
  to flow.

 &&

LAT...LON 3833 12147 3848 12133 3832 12124 3823 12140


$$

Dang
799 
WGUS86 KSTO 101714
FLSLSJ
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
914 AM PST TUE JAN 10 2017

...The Flood Warning continues for the following rivers in 
California...
 
  Cosumnes River At Michigan Bar

.Flooding continues on the Cosumnes River at Michigan Bar. Heavy 
rains this afternoon and overnight, and continued rains on Wednesday
are expected to cause new rises on the Lower San Joaquin River system
through Thursday. 

Forecasts are based on present and forecasted meteorological and 
hydrologic conditions at time of issuance.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Unlisted forecast points are expected to remain below monitor stage.
All those affected by river conditions should remain alert for rapid 
changes and for possible forecast revisions.

For more hydrologic information and stage definitions refer to the 
following web site:  http://www.wrh.noaa.gov/sto/hydro_data.php


The next statement will be issued [Add day and time here].

&&

CAC099-111914-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MDSC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
914 AM PST TUE JAN 10 2017

Forecast information for
  Tuolumne River At Modesto.
* At  8:30 AM Tuesday the stage was 50.5 feet.
* forecast to rise above monitor stage of 50.5 ft late this morning 
  then forecast to rise to near  53.0 ft late tomorrow morning with 
  continued rise expected.
* Flood stage 55.0 ft
* Monitor stage 50.5 ft


 &&

LAT...LON 3763 12120 3771 12075 3758 12069 3752 12112


$$

CAC067-077-111914-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/THTC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
914 AM PST TUE JAN 10 2017

Forecast information for
  Mokelumne River Near Benson's Ferry Near Thornton.
* At  8:15 AM Tuesday the stage was 15.9 feet.
* forecast to recede to near 15.0 ft early tomorrow morning then 
  forecast to fluctuate near 15.0 ft thru late tomorrow morning.
* Flood stage 17.0 ft
* Monitor stage 12.0 ft


 &&

LAT...LON 3829 12154 3829 12134 3820 12128 3820 12150


$$

CAC005-017-067-111914-
/O.EXT.KSTO.FL.W.0007.170111T0120Z-000000T0000Z/
/MHBC1.1.ER.170111T0120Z.170111T1100Z.000000T0000Z.NO/
914 AM PST TUE JAN 10 2017

The Flood Warning continues for
  The Cosumnes River At Michigan Bar.
* FROM THIS AFTERNOON UNTIL FURTHER NOTICE.
* At  8:30 AM Tuesday the stage was 10.5 feet.
* Minor flooding is forecast.
* expected to rise above flood stage of  12.0 ft this evening then 
  forecast to crest near 14.0 ft early tomorrow morning then forecast
  to fluctuate near 14.0 ft thru early tomorrow morning then forecast
  to recede to near 12.5 ft late tomorrow morning.
* Flood stage 12.0 ft
* Monitor stage 7.0 ft
* Impact...Near 13.2 feet, Water floods houses in Wilton. The south 
  bank levee near Wilton is overtopped.
* Impact...Near 12.0 feet, Water flows on to the road near Wilton.
* Impact...Near 8.0 feet, Low lying lands along the river begin to 
  flood.


 &&

LAT...LON 3848 12133 3859 12103 3842 12092 3836 12124


$$

CAC067-077-111914-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MCNC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
914 AM PST TUE JAN 10 2017

Forecast information for
  Cosumnes River Near Mcconnell.
* At  8:15 AM Tuesday the stage was 42.7 feet.
* forecast to recede to near 42.0 ft this afternoon then forecast to 
  rise to near  45.0 ft late tomorrow morning with continued rise 
  expected.
* Flood stage 46.0 ft
* Monitor stage 40.0 ft
* Impact...Near 39.0 feet, The Cosumnes River overflow channel begins 
  to flow.

 &&

LAT...LON 3833 12147 3848 12133 3832 12124 3823 12140


$$
492 
WGUS46 KSTO 102203
FLWLSJ
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SACRAMENTO CA
203 PM PST TUE JAN 10 2017

...The National Weather Service in Sacramento has issued a Flood 
Warning for the following rivers in California... 

  Cosumnes River Near Mcconnell
  
...The Flood Warning continues for the following rivers in 
California...
 
  Cosumnes River At Michigan Bar

.The Consumnes River will continue to rise and Flooding will continue
on the Cosumnes River at Michigan Bar and flooding is forecast to 
begin at Mcconnell Wednesday morning. Heavy rains this afternoon and 
overnight, and continued rains on Wednesday, are expected to continue 
or cause new rises on the Lower San Joaquin River system through 
Thursday. 

Forecasts are based on present and forecasted meteorological and 
hydrologic conditions at time of issuance.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Unlisted forecast points are expected to remain below monitor stage.
All those affected by river conditions should remain alert for rapid 
changes and for possible forecast revisions.

For more hydrologic information and stage definitions refer to the 
following web site:  http://www.wrh.noaa.gov/sto/hydro_data.php


The next statement will be issued [Add day and time here].

&&

CAC099-120003-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MDSC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
203 PM PST TUE JAN 10 2017

Forecast information for
  Tuolumne River At Modesto.
* At  1:30 PM Tuesday the stage was 51.1 feet.
* No flooding is currently forecast.
* forecast to fluctuate near 51.0 ft thru this afternoon then 
  forecast to rise to near  52.5 ft early tomorrow morning then 
  forecast to fluctuate near 52.5 ft thru near tomorrow noon.
* Flood stage 55.0 ft
* Monitor stage 50.5 ft


 &&

LAT...LON 3763 12120 3771 12075 3758 12069 3752 12112


$$

CAC067-077-120003-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/THTC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
203 PM PST TUE JAN 10 2017

Forecast information for
  Mokelumne River Near Benson's Ferry Near Thornton.
* At  1:15 PM Tuesday the stage was 16.5 feet.
* No flooding is currently forecast.
* forecast to fluctuate near 16.0 ft thru tomorrow morning then 
  forecast to rise to near  16.5 ft near tomorrow noon with continued
  rise expected.
* Flood stage 17.0 ft
* Monitor stage 12.0 ft


 &&

LAT...LON 3829 12154 3829 12134 3820 12128 3820 12150


$$

CAC005-017-067-120003-
/O.EXT.KSTO.FL.W.0007.170110T2220Z-170112T0815Z/
/MHBC1.1.ER.170110T2220Z.170111T0900Z.170111T1815Z.NO/
203 PM PST TUE JAN 10 2017

The Flood Warning continues for 
 The Cosumnes River At Michigan Bar.
* UNTIL LATE WEDNESDAY NIGHT...Or until the warning is cancelled.
* At  1:30 PM Tuesday the stage was 11.4 feet.
* Minor flooding is forecast.
* expected to rise above flood stage of  12.0 ft this afternoon then 
  forecast to rise to near  14.5 ft early tomorrow morning then 
  forecast to fall below flood stage of 12.0 ft late tomorrow morning
  then forecast to recede to near 11.0 ft near tomorrow noon.
* Flood stage 12.0 ft
* Monitor stage 7.0 ft
* Impact...Near 13.2 feet, Water floods houses in Wilton. The south 
  bank levee near Wilton is overtopped.
* Impact...Near 12.0 feet, Water flows on to the road near Wilton.
* Impact...Near 8.0 feet, Low lying lands along the river begin to 
  flood.

 &&

LAT...LON 3848 12133 3859 12103 3842 12092 3836 12124


$$

CAC067-077-120002-
/O.NEW.KSTO.FL.W.0010.170111T1900Z-000000T0000Z/
/MCNC1.1.ER.170111T1900Z.170111T2000Z.000000T0000Z.NO/
203 PM PST TUE JAN 10 2017

The National Weather Service in Sacramento has issued a 

* Flood Warning for 
  The Cosumnes River Near Mcconnell.
* FROM WEDNESDAY MORNING UNTIL FURTHER NOTICE.
* At  1:15 PM Tuesday the stage was 42.3 feet.
* Minor flooding is forecast.
* forecast to fluctuate near 42.0 ft thru this afternoon then 
  expected to rise above flood stage of  46.0 ft near tomorrow noon 
  then forecast to crest near 46.0 ft near tomorrow noon then 
  forecast to fluctuate near 46.0 ft thru near tomorrow noon.
* Flood stage 46.0 ft
* Monitor stage 40.0 ft
* Impact...Near 39.0 feet, The Cosumnes River overflow channel begins 
  to flow.

 &&

LAT...LON 3833 12147 3848 12133 3832 12124 3823 12140


$$
616 
WGUS46 KSTO 102205 CCA
FLWLSJ

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SACRAMENTO CA
205 PM PST TUE JAN 10 2017

...The National Weather Service in Sacramento has issued a Flood 
Warning for the following rivers in California... 

  Cosumnes River Near Mcconnell
  
...The Flood Warning continues for the following rivers in 
California...
 
  Cosumnes River At Michigan Bar

.The Consumnes River will continue to rise and Flooding will continue
on the Cosumnes River at Michigan Bar and flooding is forecast to 
begin at Mcconnell Wednesday morning. Heavy rains this afternoon and 
overnight, and continued rains on Wednesday, are expected to continue 
or cause new rises on the Lower San Joaquin River system through 
Thursday. 

Forecasts are based on present and forecasted meteorological and 
hydrologic conditions at time of issuance.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Unlisted forecast points are expected to remain below monitor stage.
All those affected by river conditions should remain alert for rapid 
changes and for possible forecast revisions.

For more hydrologic information and stage definitions refer to the 
following web site:  http://www.wrh.noaa.gov/sto/hydro_data.php


The next statement will be issued Tuesday, January 10, 2017 at 9PM 
PLT. 

&&

CAC099-120003-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MDSC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
205 PM PST TUE JAN 10 2017

Forecast information for
  Tuolumne River At Modesto.
* At  1:30 PM Tuesday the stage was 51.1 feet.
* No flooding is currently forecast.
* forecast to fluctuate near 51.0 ft thru this afternoon then 
  forecast to rise to near  52.5 ft early tomorrow morning then 
  forecast to fluctuate near 52.5 ft thru near tomorrow noon.
* Flood stage 55.0 ft
* Monitor stage 50.5 ft


 &&

LAT...LON 3763 12120 3771 12075 3758 12069 3752 12112


$$

CAC067-077-120003-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/THTC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
205 PM PST TUE JAN 10 2017

Forecast information for
  Mokelumne River Near Benson's Ferry Near Thornton.
* At  1:15 PM Tuesday the stage was 16.5 feet.
* No flooding is currently forecast.
* forecast to fluctuate near 16.0 ft thru tomorrow morning then 
  forecast to rise to near  16.5 ft near tomorrow noon with continued
  rise expected.
* Flood stage 17.0 ft
* Monitor stage 12.0 ft


 &&

LAT...LON 3829 12154 3829 12134 3820 12128 3820 12150


$$

CAC005-017-067-120003-
/O.EXT.KSTO.FL.W.0007.170110T2220Z-170112T0815Z/
/MHBC1.1.ER.170110T2220Z.170111T0900Z.170111T1815Z.NO/
205 PM PST TUE JAN 10 2017

The Flood Warning continues for 
 The Cosumnes River At Michigan Bar.
* UNTIL LATE WEDNESDAY NIGHT...Or until the warning is cancelled.
* At  1:30 PM Tuesday the stage was 11.4 feet.
* Minor flooding is forecast.
* expected to rise above flood stage of  12.0 ft this afternoon then 
  forecast to rise to near  14.5 ft early tomorrow morning then 
  forecast to fall below flood stage of 12.0 ft late tomorrow morning
  then forecast to recede to near 11.0 ft near tomorrow noon.
* Flood stage 12.0 ft
* Monitor stage 7.0 ft
* Impact...Near 13.2 feet, Water floods houses in Wilton. The south 
  bank levee near Wilton is overtopped.
* Impact...Near 12.0 feet, Water flows on to the road near Wilton.
* Impact...Near 8.0 feet, Low lying lands along the river begin to 
  flood.

 &&

LAT...LON 3848 12133 3859 12103 3842 12092 3836 12124


$$

CAC067-077-120002-
/O.NEW.KSTO.FL.W.0010.170111T1900Z-000000T0000Z/
/MCNC1.1.ER.170111T1900Z.170111T2000Z.000000T0000Z.NO/
205 PM PST TUE JAN 10 2017

The National Weather Service in Sacramento has issued a 

* Flood Warning for 
  The Cosumnes River Near Mcconnell.
* FROM WEDNESDAY MORNING UNTIL FURTHER NOTICE.
* At  1:15 PM Tuesday the stage was 42.3 feet.
* Minor flooding is forecast.
* forecast to fluctuate near 42.0 ft thru this afternoon then 
  expected to rise above flood stage of  46.0 ft near tomorrow noon 
  then forecast to crest near 46.0 ft near tomorrow noon then 
  forecast to fluctuate near 46.0 ft thru near tomorrow noon.
* Flood stage 46.0 ft
* Monitor stage 40.0 ft
* Impact...Near 39.0 feet, The Cosumnes River overflow channel begins 
  to flow.

 &&

LAT...LON 3833 12147 3848 12133 3832 12124 3823 12140


$$
963 
WGUS46 KSTO 110558
FLWLSJ
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SACRAMENTO CA
958 PM PST TUE JAN 10 2017

...The National Weather Service in Sacramento has issued a Flood 
Warning for the following rivers in California... 

  Mokelumne River Near Benson's Ferry Near Thornton
  
...The Flood Warning continues for the following rivers in 
California...
 
  Cosumnes River At Michigan Bar

.A Flood Warning has been issued for the Mokelumne River near Benson
Ferry where the river is expected to rise above flood stage near Noon
on Wednesday. On the Cosumnes River at Michigan Bar, a Flood Warning
continues in effect. On the Cosumnes River at McConnell, the Flood
Warning has been cancelled but high water levels are expected to
continue through at least late Wednesday evening.  

Forecasts are based on present and forecasted meteorological and 
hydrologic conditions at time of issuance.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Unlisted forecast points are expected to remain below monitor stage.
All those affected by river conditions should remain alert for rapid 
changes and for possible forecast revisions.

For more hydrologic information and stage definitions refer to the 
following web site:  http://www.wrh.noaa.gov/sto/hydro_data.php


The next statement will be issued Wednesday January 11 at 300 AM.

&&

CAC099-120758-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MDSC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
958 PM PST TUE JAN 10 2017

Forecast information for
  Tuolumne River At Modesto.
* At  8:30 PM Tuesday the stage was 51.4 feet.
* No flooding is currently forecast.
* forecast to fluctuate near 51.5 ft thru near this midnight then 
  forecast to rise to near  52.0 ft tomorrow morning then forecast to
  fluctuate near 52.0 ft thru late tomorrow evening.
* Flood stage 55.0 ft
* Monitor stage 50.5 ft


 &&

LAT...LON 3763 12120 3771 12075 3758 12069 3752 12112


$$

CAC067-077-120758-
/O.NEW.KSTO.FL.W.0011.170111T2100Z-000000T0000Z/
/THTC1.1.ER.170111T2100Z.170112T0500Z.000000T0000Z.NO/
958 PM PST TUE JAN 10 2017

The National Weather Service in Sacramento has issued a 

* Flood Warning for 
  The Mokelumne River Near Benson's Ferry Near Thornton.
* FROM WEDNESDAY AFTERNOON UNTIL FURTHER NOTICE.
* At  8:15 PM Tuesday the stage was 16.8 feet.
* Minor flooding is forecast.
* forecast to fluctuate near 17.0 ft thru early tomorrow morning then
  expected to rise above flood stage of  17.0 ft near tomorrow noon 
  then forecast to rise to near  17.5 ft late tomorrow evening with 
  continued rise expected.
* Flood stage 17.0 ft
* Monitor stage 12.0 ft
* Impact...Near 17.2 feet, Some local farm roads are closed. Low lying
  areas along the river are flooded.

 &&

LAT...LON 3829 12154 3829 12134 3820 12128 3820 12150


$$

CAC005-017-067-120740-
/O.EXT.KSTO.FL.W.0007.000000T0000Z-170112T0740Z/
/MHBC1.1.ER.170111T0454Z.170111T1100Z.170111T1740Z.NO/
958 PM PST TUE JAN 10 2017

The Flood Warning continues for 
 The Cosumnes River At Michigan Bar.* At  8:30 PM Tuesday the stage was 11.8 feet.
* Minor flooding is forecast.
* expected to rise above flood stage of  12.0 ft late this evening 
  then forecast to rise to near  13.5 ft early tomorrow morning then 
  forecast to fluctuate near 13.5 ft thru early tomorrow morning then
  forecast to fall below flood stage of 12.0 ft late tomorrow morning
  then forecast to recede to near 9.0 ft late tomorrow evening.
* Flood stage 12.0 ft
* Monitor stage 7.0 ft
* Impact...Near 13.2 feet, Water floods houses in Wilton. The south 
  bank levee near Wilton is overtopped.
* Impact...Near 12.0 feet, Water flows on to the road near Wilton.
* Impact...Near 8.0 feet, Low lying lands along the river begin to 
  flood.

 &&

LAT...LON 3848 12133 3859 12103 3842 12092 3836 12124


$$

CAC067-077-110628-
/O.CAN.KSTO.FL.W.0010.000000T0000Z-170111T0558Z/
/MCNC1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
958 PM PST TUE JAN 10 2017

The Flood Warning has been cancelled for
 The Cosumnes River at McConnell

* At  8:15 PM Tuesday the stage was 42.8 feet.
* No flooding is currently forecast.
* forecast to rise to near  45.5 ft tomorrow afternoon then forecast 
  to fluctuate near 45.0 ft thru late tomorrow evening.
* Flood stage 46.0 ft
* Monitor stage 40.0 ft
* Impact...Near 39.0 feet, The Cosumnes River overflow channel begins 
  to flow.

 &&

LAT...LON 3833 12147 3848 12133 3832 12124 3823 12140


$$
846 
WGUS86 KSTO 111103
FLSLSJ
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
303 AM PST WED JAN 11 2017

...The Flood Warning continues for the following rivers in 
California...
 
  Mokelumne River Near Benson's Ferry Near Thornton
  Cosumnes River At Michigan Bar

.Flooding continues on the Cosumnes River at Michigan Bar and on the
Mokelumne River near Benson's Ferry near Thornton. Although precipitation
will taper off today, the recent rains will maintain rises on the 
Lower San Joaquin River system into Thursday morning.

Forecasts are based on present and forecasted meteorological and 
hydrologic conditions at time of issuance.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Unlisted forecast points are expected to remain below monitor stage.
All those affected by river conditions should remain alert for rapid 
changes and for possible forecast revisions.

For more hydrologic information and stage definitions refer to the 
following web site:  http://www.wrh.noaa.gov/sto/hydro_data.php


The next statement will be issued Wednesday, January 11, 2017 at 9 am PST.

&&

CAC099-121303-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MDSC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
303 AM PST WED JAN 11 2017

Forecast information for
  Tuolumne River At Modesto.
* At  2:30 AM Wednesday the stage was 51.5 feet.
* forecast to fluctuate near 51.0 ft thru early this morning then 
  forecast to rise to near  53.0 ft late this evening then forecast 
  to recede to near 52.0 ft early tomorrow morning.
* Flood stage 55.0 ft
* Monitor stage 50.5 ft


 &&

LAT...LON 3763 12120 3771 12075 3758 12069 3752 12112


$$

CAC067-077-121303-
/O.EXT.KSTO.FL.W.0011.170111T1700Z-000000T0000Z/
/THTC1.1.ER.170111T1700Z.170112T1000Z.000000T0000Z.NO/
303 AM PST WED JAN 11 2017

The Flood Warning continues for
  The Mokelumne River Near Benson's Ferry Near Thornton.
* FROM THIS MORNING UNTIL FURTHER NOTICE.
* At  2:15 AM Wednesday the stage was 17.0 feet.
* Minor flooding is forecast.
* forecast to fluctuate near 17.0 ft thru this morning then expected 
  to rise above flood stage of  17.0 ft late this morning then 
  forecast to rise to near  18.5 ft early tomorrow morning with 
  continued rise expected.
* Flood stage 17.0 ft
* Monitor stage 12.0 ft
* Impact...Near 17.2 feet, Some local farm roads are closed. Low lying
  areas along the river are flooded.

 &&

LAT...LON 3829 12154 3829 12134 3820 12128 3820 12150


$$

CAC005-017-067-120820-
/O.EXT.KSTO.FL.W.0007.000000T0000Z-170112T0820Z/
/MHBC1.1.ER.170111T0515Z.170111T1200Z.170111T1820Z.NO/
303 AM PST WED JAN 11 2017

The Flood Warning continues for
  The Cosumnes River At Michigan Bar.
* At  2:30 AM Wednesday the stage was 13.2 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* forecast to fluctuate near 13.5 ft thru early this morning then 
  forecast to fall below flood stage of 12.0 ft late this morning 
  then forecast to recede to near 8.5 ft early tomorrow morning.
* Flood stage 12.0 ft
* Monitor stage 7.0 ft
* Impact...Near 13.2 feet, Water floods houses in Wilton. The south 
  bank levee near Wilton is overtopped.
* Impact...Near 12.0 feet, Water flows on to the road near Wilton.
* Impact...Near 8.0 feet, Low lying lands along the river begin to 
  flood.


 &&

LAT...LON 3848 12133 3859 12103 3842 12092 3836 12124


$$

CAC067-077-121302-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MCNC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
303 AM PST WED JAN 11 2017

Forecast information for
  Cosumnes River Near Mcconnell.
* At  2:15 AM Wednesday the stage was 43.4 feet.
* forecast to rise to near  45.5 ft this afternoon then forecast to 
  recede to near 45.0 ft early tomorrow morning.
* Flood stage 46.0 ft
* Monitor stage 40.0 ft
* Impact...Near 39.0 feet, The Cosumnes River overflow channel begins 
  to flow.

 &&

LAT...LON 3833 12147 3848 12133 3832 12124 3823 12140


$$

JBB
102 
WGUS86 KSTO 111702
FLSLSJ
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
902 AM PST WED JAN 11 2017

...The Flood Warning is cancelled for the following rivers in 
California...
 
  Cosumnes River At Michigan Bar
  
...The Flood Warning continues for the following rivers in 
California...
 
  Mokelumne River Near Benson's Ferry Near Thornton

.Minor flooding continues on the Mokelumne River near Benson's Ferry. 
Water levels are receding on the Cosumnes River and will begin to 
recede on the Tuolumne River Thursday morning. 

Forecasts are based on present and forecasted meteorological and 
hydrologic conditions at time of issuance.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Unlisted forecast points are expected to remain below monitor stage.
All those affected by river conditions should remain alert for rapid 
changes and for possible forecast revisions.

For more hydrologic information and stage definitions refer to the 
following web site:  http://www.wrh.noaa.gov/sto/hydro_data.php


The next statement will be issued Wednesday, January 11, 2017 at 3PM PLT. 

&&

CAC099-121902-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MDSC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
902 AM PST WED JAN 11 2017

Forecast information for
  Tuolumne River At Modesto.
* At  8:30 AM Wednesday the stage was 51.2 feet.
* forecast to rise to near  52.0 ft late this evening then forecast 
  to fall below monitor stage of 50.5 ft early tomorrow morning then 
  forecast to recede to near 49.0 ft late tomorrow morning.
* Flood stage 55.0 ft
* Monitor stage 50.5 ft


 &&

LAT...LON 3763 12120 3771 12075 3758 12069 3752 12112


$$

CAC067-077-121902-
/O.EXT.KSTO.FL.W.0011.170111T1654Z-000000T0000Z/
/THTC1.1.ER.170111T1130Z.170112T1000Z.000000T0000Z.NO/
902 AM PST WED JAN 11 2017

The Flood Warning continues for
  The Mokelumne River Near Benson's Ferry Near Thornton.
* FROM THIS MORNING UNTIL FURTHER NOTICE.
* At  8:15 AM Wednesday the stage was 17.4 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* forecast to fluctuate near 17.0 ft thru late this morning then 
  forecast to rise to near  18.0 ft early tomorrow morning then 
  forecast to fluctuate near 18.0 ft thru late tomorrow morning.
* Flood stage 17.0 ft
* Monitor stage 12.0 ft
* Impact...Near 17.2 feet, Some local farm roads are closed. Low lying
  areas along the river are flooded.

 &&

LAT...LON 3829 12154 3829 12134 3820 12128 3820 12150


$$

CAC005-017-067-111732-
/O.CAN.KSTO.FL.W.0007.000000T0000Z-170112T0820Z/
/MHBC1.1.ER.170111T0515Z.170111T1030Z.170111T1448Z.NO/
902 AM PST WED JAN 11 2017

The Flood Warning is cancelled for
  The Cosumnes River At Michigan Bar.
* At  8:30 AM Wednesday the stage was 11.5 feet.
* Fell below flood stage at  6:48 AM Wednesday.
* forecast to recede to near 8.0 ft late tomorrow morning.
* Flood stage 12.0 ft
* Monitor stage 7.0 ft
* Impact...Near 12.0 feet, Water flows on to the road near Wilton.
* Impact...Near 8.0 feet, Low lying lands along the river begin to 
  flood.

 &&

LAT...LON 3848 12133 3859 12103 3842 12092 3836 12124


$$

CAC067-077-121901-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MCNC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
902 AM PST WED JAN 11 2017

Forecast information for
  Cosumnes River Near Mcconnell.
* At  8:15 AM Wednesday the stage was 43.8 feet.
* forecast to rise to near  45.0 ft near this noon then forecast to 
  fluctuate near 45.0 ft thru this evening then forecast to recede to
  near 43.0 ft late tomorrow morning.
* Flood stage 46.0 ft
* Monitor stage 40.0 ft
* Impact...Near 39.0 feet, The Cosumnes River overflow channel begins 
  to flow.

 &&

LAT...LON 3833 12147 3848 12133 3832 12124 3823 12140


$$

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sacramento, CA wrote its last area forecast discussion before this river flood warning went out at Jan 9, 3:40 PM PST, 6 hours 20 minutes earlier.

Area forecast discussion, Jan 9, 3:40 PM PST, 6 hours 20 minutes before
Area Forecast Discussion
National Weather Service Sacramento CA
340 PM PST Mon Jan 9 2017

.Synopsis...
Next Pacific storm spreads precipitation inland tonight with
widespread moderate to heavy precipitation and more flooding
concerns Tuesday into Tuesday night. Strong gusty wind tomorrow
with possible downed trees and power outages. Significant mountain
snow Tuesday and Wednesday impacting travel. Lingering mountain
showers Thursday then drier weather into the weekend.

&&

.Discussion...
Scattered showers and isolated thunderstorms this afternoon ahead
of next approaching Pacific atmospheric river. Report of a cold
core funnel near Rio Linda earlier. Showery precipitation turns
more stratiform and widespread later tonight into Tuesday
morning. Models showing some precip shadowing possible in the
Central Valley overnight. Snow levels tonight range from around
3500 feet in the northern mountains...locally down to 3000 feet in
the northern Shasta mountains...to 4500 feet over the Sierra
Nevada.

Wind and precip increase across the entire CWA Tuesday and
Tuesday night as the next atmospheric river impacts the area.
Heaviest precipitation modeled to occur tomorrow afternoon into
night mainly over southern portions of the Central Valley and
eastern mountains. Heavy snow expected in the mountains of Western
Plumas and Northern Sierra Nevada tomorrow above 4500 to 5000
feet...impacting travel. Models showing some minor CAPE over the
Central Sacramento Valley southward early Tuesday evening as
precip turns more showery in the valley for possible isolated
thunderstorms.

Widespread precipitation continues Wednesday into early Thursday
in the Sierra Nevada but more showery in the Central Valley.
Latest QPF for this next system looks to be around 1 to 2.5 inches
for the Central Valley with 3 to 9 inches in the foothills and
mountains. Several feet of snow expected down to the 4500 foot
level by Thursday morning with 3 to 7 feet over higher terrain.

NAM/GFS showing strong N-S surface pressure gradient of 12-14 mb
from KSAC-KMFR developing over Interior NorCal Tuesday in response
to cyclogenesis off the NW CA coast. 925 mb winds are in the
40-55 kts range. This would equate to surface winds of 25 to 40
mph with gusts 50 to 60 mph and given saturated soils, potential
for downed trees and power outages is high. Although bulk of wind
speeds appear to be in high end advisory criteria, given potential
impacts, a high wind warning has been issued for the Sacramento
Valley and adjacent foothill zones. Also, breezy to windy
conditions expected in the Northern San Joaquin Valley, but not as
strong as in the Sacramento Valley, and thus wind advisory in
place to address this.

PCH

&&

.EXTENDED DISCUSSION (Friday THROUGH Monday)

Models trending toward a drier wx pattern on Fri through the
weekend as the upstream blocking ridge pattern finally breaks
down, and broad ridging dominates the West Coast. Depending on
any northerly winds, patchy morning fog may develop.

For next Monday, the models differ on dipping a frontal system
into northern California. Generally, the ECMWF shows more
amplitude and spreads precipitation chances farther south than
the GFS and only bringing a slight chance into Shasta county.
JClapp

&&

.AVIATION...
Precipitation associated with the next system will continue to
move inland across NorCal today. Widespread MVFR conditions with
local IFR after 06Z Tuesday. Southerly winds 15-25 kts this
evening in the valley. South winds 20-30kts expected after 18z
Tuesday and 06z Wednesday. An Airport Weather Warning has been
issued for KRDD due wind gusts up to 45 knots between 18z Tuesday
and 04z Wednesday.

&&

.STO WATCHES/WARNINGS/ADVISORIES...
Flood Watch through Wednesday evening for Burney Basin / Eastern
Shasta County-Carquinez Strait and Delta-Central Sacramento
Valley-Clear Lake/Southern Lake County-Motherlode-Mountains
Southwestern Shasta County to Northern Lake County-Northeast
Foothills/Sacramento Valley-Northern Sacramento Valley-Northern
San Joaquin Valley-Shasta Lake Area / Northern Shasta County-
Southern Sacramento Valley-West Slope Northern Sierra Nevada-
Western Plumas County/Lassen Park.

Winter Storm Warning until 10 AM PST Thursday for West Slope
Northern Sierra Nevada-Western Plumas County/Lassen Park.

Winter Weather Advisory until 4 PM PST Tuesday for Mountains
Southwestern Shasta County to Northern Lake County-Shasta Lake
Area / Northern Shasta County.

High Wind Warning from 10 AM Tuesday to midnight PST Tuesday
night for Carquinez Strait and Delta-Central Sacramento Valley-
Clear Lake/Southern Lake County-Northeast Foothills/Sacramento
Valley-Northern Sacramento Valley-Southern Sacramento Valley and
Motherlode.

Wind Advisory from 10 AM Tuesday to midnight PST Tuesday night
for Northern San Joaquin Valley.

Flash Flood Watch through Tuesday afternoon for Carquinez Strait
and Delta-Southern Sacramento Valley.

&&

In the hours before

Local storm report, Jan 9, 4:58 PM PST, 5 hours 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SACRAMENTO CA
458 PM PST MON JAN 9 2017

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

0453 PM     HEAVY RAIN       2 NW ALMANOR            40.23N 121.19W
01/09/2017  E3.99 INCH       PLUMAS             CA   TRAINED SPOTTER

            STORM TOTAL.

&&

IDM
Local storm report, Jan 9, 5:17 PM PST, 4 hours 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SACRAMENTO CA
517 PM PST MON JAN 09 2017

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

0513 PM     SNOW             1 NNW COBB              38.85N 122.73W
01/09/2017  E0.0 INCH        LAKE               CA   TRAINED SPOTTER

            CURRENTLY 38 DEGREES WITH SNOW/RAIN MIX. ELEVATION 3250
            FT. 24 HOUR RAINFALL 1.00 INCHES.

&&

KS
Local storm report, Jan 9, 5:32 PM PST, 4 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SACRAMENTO CA
532 PM PST MON JAN 9 2017

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

0330 PM     HEAVY RAIN       4 SE BIG BEND           39.65N 121.41W
01/09/2017  M11.59 INCH      BUTTE              CA   PUBLIC

            MEASURED 11.59 INCHES OF RAIN. THE DURATION
            OF THE HEAVY RAIN EVENT WAS 72 HOURS.

&&

EK

The office that day

Everything else NWS Sacramento, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 10, 3:10 AM PSTAreal Flood WarningSTOAmador, Butte, Calaveras, Colusa, El Dorado, Glenn and 15 more60 hr
Jan 10, 3:35 AM PSTBlizzard WarningSTO32 hr
Jan 10, 3:35 AM PSTWinter Storm WarningSTO60 hr
Jan 10, 8:53 AM PSTRiver Flood WarningSTOTehama35 hr
Jan 10, 9:28 AM PSTRiver Flood WarningSTOSolano, Yolo7 days
Jan 10, 2:05 PM PSTRiver Flood WarningSTOSacramento, San Joaquin24 hr

Nearby

River Flood Warnings in California, 2017Every river flood warning in 2017

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.