Alert archive / Washington / River Flood Warnings in 2017

River Flood Warning 39, NWS Seattle, WA

October 22, 2017Snohomish County, Washington

NWS Seattle, WA issued this river flood warning at Oct 22, 2017, 9:39 AM PDT for Snohomish County, Washington. It took effect at Oct 22, 2017, 4:20 PM PDT. It was in force for 25 hr.

The area

The outline as issued.

The facts

Issued
Oct 22, 2017, 9:39 AM PDT (16:39 UTC)
In effect from
Oct 22, 2017, 4:20 PM PDT
Expired
Oct 23, 2017, 5:02 PM PDT
In force
25 hr
Issued by
NWS Seattle, WA
Area
Storm-based polygon
Flood severity
Minor

County Snohomish County, WA

The radar

The Seattle radar (KATX), 52 km from the middle of the area, began a volume at 16:39 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 Snohomish River near Monroe (MROW1). The gauge peaked at 14.55 ft at Oct 22, 2017, 3:00 PM PDT.

actionminormoderatemajor5101510/2210/2310/2410/25
Action stage
10 ft
Minor stage
15 ft
Moderate stage
16 ft
Major stage
17 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12150800, 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.

904 
WGUS46 KSEW 221639
FLWSEW
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Seattle WA
939 AM PDT Sun Oct 22 2017

...The National Weather Service in Seattle has issued a flood warning
for the following rivers in Washington...

  Snohomish River near Monroe affecting Snohomish County.
  Snohomish River at Snohomish affecting Snohomish County.

.Flood Bulletin No. 9.


Heavy rainfall that occurred along the west slopes of the Cascade
Mountains over the past 24 hours will cause the Snohomish River
in Snohomish County to rise above flood stage this afternoon. The 
river will slowly recede on Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars...vans...or trucks through flooded areas...this is 
the cause of most flood related deaths in Washington. Be alert for 
rapid changes and monitor developments by listening to NOAA Weather 
radio or other local media.

&&

WAC061-230139-
/O.NEW.KSEW.FL.W.0039.171022T2320Z-171024T0002Z/
/MROW1.1.ER.171022T2320Z.171023T0600Z.171023T1202Z.NO/
939 AM PDT Sun Oct 22 2017

The National Weather Service in Seattle has issued a 

* Flood Warning for 
  The Snohomish River near Monroe
* from this afternoon to Monday afternoon.
* At  9:15 AM Sunday the stage was 13.0 feet.
* Flood stage is 15.0 feet.
* Minor flooding is forecast.
* Forecast...The river will rise above flood stage around 4 PM Sunday
  and crest near 15.3 feet around 11 PM Sunday. The river will fall 
  below flood stage Monday morning.
* Impact...At 15.0 feet, the Snohomish River will cause minor flooding
  of low pasture lands and several roads near the river.  A stage of 
  15 feet at this location corresponds to Phase 2 in the Snohomish 
  County Flood Warning System.

&&

LAT...LON 4780 12190 4779 12212 4786 12217 4791 12203 4793 12202
      4793 12190       

$$

WAC061-230139-
/O.NEW.KSEW.FL.W.0040.171022T2053Z-171024T1354Z/
/SNAW1.2.ER.171022T2053Z.171023T1000Z.171023T2254Z.NO/
939 AM PDT Sun Oct 22 2017

The National Weather Service in Seattle has issued a 

* Flood Warning for 
  The Snohomish River at Snohomish
* from this afternoon to Tuesday morning.
* At  9:00 AM Sunday the stage was 22.3 feet.
* Flood stage is 25.0 feet.
* Moderate flooding is forecast.
* Forecast...The river will rise above flood stage around 2 PM Sunday
  and crest near 27.5 feet around 3 AM Monday. The river will fall 
  below flood stage Monday afternoon.
* Impact...At 27.0 feet, the Snohomish River will flood several 
  roads...including the Snohomish-Monroe highway...and low areas of 
  the lower Snohomish valley that are not protected by levees.  A 
  stage of 27 feet on the Snohomish River corresponds roughly to a 
  Phase 2 in the Snohomish County flood program.

&&

LAT...LON 4786 12217 4789 12221 4796 12232 4809 12216 4794 12213
      4791 12203       

$$

www.weather.gov/seattle
3 follow-up statements
146 
WGUS86 KSEW 221753
FLSSEW
Flood Statement
National Weather Service Seattle WA
1053 AM PDT Sun Oct 22 2017

...The Flood Warning continues for the following rivers in 
Washington...

  Skykomish River near Gold Bar affecting Snohomish County.
  Snohomish River near Monroe affecting Snohomish County.
  Snohomish River at Snohomish affecting Snohomish County.
  Snoqualmie River near the Falls affecting King County.
  Snoqualmie River near Carnation affecting King County.

...The Flood Warning continues for the following rivers in 
Washington...
  South Fork Stillaguamish River near Granite Falls affecting 
  Snohomish County.
  Stillaguamish River at Arlington affecting Snohomish County.

.Flood Bulletin No. 11.


Heavy rainfall that fell over the past 24 hours has come to an end. 
Flood crests will gradually work their way downstream on area rivers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars...vans...or trucks through flooded areas...this is 
the cause of most flood related deaths in Washington. Be alert for 
rapid changes and monitor developments by listening to NOAA Weather 
radio or other local media.

&&

WAC061-222125-
/O.CON.KSEW.FL.W.0032.000000T0000Z-171022T2125Z/
/GFLW1.1.ER.171022T0756Z.171022T0800Z.171022T0803Z.NO/
1053 AM PDT Sun Oct 22 2017

The Flood Warning continues for
  The South Fork Stillaguamish River near Granite Falls
* Until this afternoon.
* At 10:15 AM Sunday the stage was 10.9 feet.
* Flood stage is 14.0 feet.
* Fell below flood stage early this morning.
* No additional flooding is forecast.
* Forecast...The river fell below flood stage at  1:03 AM Sunday and 
  will continue to fall. Flooding will continue in some areas until 
  the flood wave has completely passed downstream.


&&

LAT...LON 4806 12191 4808 12204 4816 12211 4824 12214 4816 12202
      4815 12192       

$$

WAC061-230153-
/O.CON.KSEW.FL.W.0034.000000T0000Z-171023T0707Z/
/ARLW1.1.ER.171022T1039Z.171022T1054Z.171022T1232Z.NO/
1053 AM PDT Sun Oct 22 2017

The Flood Warning continues for
  The Stillaguamish River at Arlington
* Until late tonight.
* At 10:39 AM Sunday the stage was 11.7 feet.
* Flood stage is 14.0 feet.
* Fell below flood stage this morning.
* No additional flooding is forecast.
* Forecast...The river fell below flood stage at  5:32 AM Sunday and 
  will continue to fall. Flooding will continue in some areas until 
  the flood wave has completely passed downstream.


&&

LAT...LON 4816 12211 4817 12223 4816 12237 4826 12240 4823 12224
      4824 12214       

$$

WAC061-230153-
/O.EXT.KSEW.FL.W.0026.000000T0000Z-171023T1101Z/
/GLBW1.2.ER.171022T0735Z.171022T1230Z.171022T2301Z.NO/
1053 AM PDT Sun Oct 22 2017

...Flood Warning extended until late tonight...

The Flood Warning continues for
  The Skykomish River near Gold Bar
* Until late tonight.
* At 10:30 AM Sunday the stage was 16.0 feet.
* Flood stage is 15.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river crested at 17.9 feet at 5 AM Sunday and will 
  continue to fall to below flood stage late this afternoon.
* Impact...At 16.0 feet, the Skykomish River will cause minor flooding
  of low pasture lands and some roads along the river...including Ben
  Howard road...Index-Galena Rd and Tualco Loop Rd.  A stage of 16 
  feet on the Skykomish River corresponds to a Phase 3 in the 
  Snohomish County flood program.

&&

LAT...LON 4774 12150 4780 12173 4780 12196 4793 12197 4794 12169
      4787 12147       

$$

WAC061-230152-
/O.EXT.KSEW.FL.W.0039.171023T0314Z-171023T1932Z/
/MROW1.1.ER.171023T0314Z.171023T0600Z.171023T0732Z.NO/
1053 AM PDT Sun Oct 22 2017

The Flood Warning continues for
  The Snohomish River near Monroe
* From 8 PM Sunday until Monday afternoon.
* At 10:15 AM Sunday the stage was 13.5 feet.
* Flood stage is 15.0 feet.
* Minor flooding is forecast.
* Forecast...The river will rise above flood stage around 8 PM Sunday
  and crest near 15.0 feet around 11 PM Sunday. The river will fall 
  below flood stage early Monday morning.
* Impact...At 15.0 feet, the Snohomish River will cause minor flooding
  of low pasture lands and several roads near the river.  A stage of 
  15 feet at this location corresponds to Phase 2 in the Snohomish 
  County Flood Warning System.

&&

LAT...LON 4780 12190 4779 12212 4786 12217 4791 12203 4793 12202
      4793 12190       

$$

WAC061-230152-
/O.EXT.KSEW.FL.W.0040.171022T2031Z-171024T1352Z/
/SNAW1.2.ER.171022T2031Z.171023T1000Z.171023T2252Z.NO/
1053 AM PDT Sun Oct 22 2017

The Flood Warning continues for
  The Snohomish River at Snohomish
* From 2 PM Sunday until Tuesday morning.
* At 10:00 AM Sunday the stage was 22.8 feet.
* Flood stage is 25.0 feet.
* Moderate flooding is forecast.
* Forecast...The river will rise above flood stage around 2 PM Sunday
  and crest near 27.5 feet around 3 AM Monday. The river will fall 
  below flood stage Monday afternoon.
* Impact...At 27.0 feet, the Snohomish River will flood several 
  roads...including the Snohomish-Monroe highway...and low areas of 
  the lower Snohomish valley that are not protected by levees.  A 
  stage of 27 feet on the Snohomish River corresponds roughly to a 
  Phase 2 in the Snohomish County flood program.

&&

LAT...LON 4786 12217 4789 12221 4796 12232 4809 12216 4794 12213
      4791 12203       

$$

WAC033-230152-
/O.EXT.KSEW.FL.W.0027.000000T0000Z-171023T0723Z/
/SQUW1.2.ER.171022T0759Z.171022T1415Z.171022T2223Z.NO/
1053 AM PDT Sun Oct 22 2017

The Flood Warning continues for
  The Snoqualmie River near the Falls
* Until late tonight.
* At 10:30 AM Sunday the flow was 30837 cfs.
* Flood flow is 20000 cfs.
* Moderate flooding is occurring and Minoroderate flooding is forecast.
* Impact...At 30000 cfs, the Snoqualmie River will cause widespread 
  flooding of pasture lands and roads along the river from the town 
  of Snoqualmie downstream through Fall City. Roads that may become 
  flooded include Fall City-Carnation...Tolt Hill...and Novelty Flats
  Roads. This river level on the Snoqualmie corresponds roughly to a 
  phase 3 flood in the King County flood system.

&&

LAT...LON 4742 12175 4752 12186 4756 12196 4761 12188 4758 12178
      4756 12170       

$$

WAC033-230152-
/O.EXT.KSEW.FL.W.0033.000000T0000Z-171023T1745Z/
/CRNW1.1.ER.171022T2000Z.171023T0000Z.171023T0545Z.NO/
1053 AM PDT Sun Oct 22 2017

The Flood Warning continues for
  The Snoqualmie River near Carnation
* From 1 PM Sunday until Monday morning.
* At 10:15 AM Sunday the stage was 53.1 feet.
* Flood stage is 54.0 feet.
* Minor flooding is forecast.
* Forecast...The river will rise above flood stage around 1 PM Sunday
  and crest near 55.6 feet around 5 PM Sunday. The river will fall 
  below flood stage tonight.
* Impact...At 54.0 feet, the Snoqualmie River will flood much of the 
  farm land and several roads from Fall City downstream through 
  Carnation and Duvall.

&&

LAT...LON 4756 12196 4770 12204 4784 12202 4783 12194 4771 12193
      4761 12188       

$$

www.weather.gov/seattle
699 
WGUS86 KSEW 230045
FLSSEW
Flood Statement
National Weather Service Seattle WA
545 PM PDT Sun Oct 22 2017

...The Flood Warning has ended for the following rivers in 
Washington...

  Skokomish River near Potlatch affecting Mason County.
  Skykomish River near Gold Bar affecting Snohomish County.
  Snoqualmie River near the Falls affecting King County.
  Newaukum River near Chehalis affecting Lewis County.

...The Flood Warning continues for the following rivers in 
Washington...

  Snohomish River near Monroe affecting Snohomish County.
  Snohomish River at Snohomish affecting Snohomish County.
  Snoqualmie River near Carnation affecting King County.
  Cowlitz River at Randle affecting Lewis County.
  White River at R Street affecting King and Pierce Counties.

.Flood Bulletin No. 14.


The threat of heavy rain has well since passed and while some scattered showers remain over Western Washington...most rivers continue to recede due to little or no additional rainfall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars...vans...or trucks through flooded areas as this is 
the cause of most flood related deaths in Washington. Be alert for 
rapid changes and monitor developments by listening to NOAA Weather 
radio or other local media.

&&

WAC045-230115-
/O.CAN.KSEW.FL.W.0025.000000T0000Z-171023T0200Z/
/SRPW1.1.ER.171022T0810Z.171022T1300Z.171022T1845Z.NR/
545 PM PDT Sun Oct 22 2017

The Flood Warning has ended for
  The Skokomish River near Potlatch
* At  5:00 PM Sunday the stage was 16.4 feet.
* Flood stage is 17.0 feet.
* Fell below flood stage late this morning.
* Forecast...The river fell below flood stage 11:45 AM Sunday late 
  this morning and will continue to fall.


&&

LAT...LON 4744 12326 4733 12321 4736 12317 4733 12308 4721 12321
      4738 12340       

$$

WAC061-230115-
/O.CAN.KSEW.FL.W.0026.000000T0000Z-171023T1101Z/
/GLBW1.2.ER.171022T0735Z.171022T1230Z.171022T1941Z.NO/
545 PM PDT Sun Oct 22 2017

The Flood Warning has ended for
  The Skykomish River near Gold Bar
* At  4:30 PM Sunday the stage was 13.4 feet.
* Flood stage is 15.0 feet.
* Fell below flood stage early this afternoon.
* Forecast...The river fell below flood stage 12:41 PM Sunday early 
  this afternoon and will continue to fall.


&&

LAT...LON 4774 12150 4780 12173 4780 12196 4793 12197 4794 12169
      4787 12147       

$$

WAC061-230845-
/O.EXT.KSEW.FL.W.0039.171023T0508Z-171023T1817Z/
/MROW1.1.ER.171023T0508Z.171023T0600Z.171023T0617Z.NO/
545 PM PDT Sun Oct 22 2017

The Flood Warning continues for
  The Snohomish River near Monroe
* From 10 PM Sunday until Monday morning.
* At  4:15 PM Sunday the stage was 14.5 feet.
* Flood stage is 15.0 feet.
* Minor flooding is forecast.
* Forecast...The river will rise above flood stage around 10 PM 
  Sunday and crest near 15.1 feet around 11 PM Sunday. The river will
  fall below flood stage tonight.
* Impact...At 15.0 feet, the Snohomish River will cause minor flooding
  of low pasture lands and several roads near the river.  A stage of 
  15 feet at this location corresponds to Phase 2 in the Snohomish 
  County Flood Warning System.

&&

LAT...LON 4780 12190 4779 12212 4786 12217 4791 12203 4793 12202
      4793 12190       

$$

WAC061-230845-
/O.EXT.KSEW.FL.W.0040.000000T0000Z-171024T0754Z/
/SNAW1.2.ER.171023T0016Z.171023T0600Z.171023T1654Z.NO/
545 PM PDT Sun Oct 22 2017

The Flood Warning continues for
  The Snohomish River at Snohomish
* From 5 PM Sunday until late Monday night.
* At  4:00 PM Sunday the stage was 24.2 feet.
* Flood stage is 25.0 feet.
* Moderate flooding is forecast.
* Forecast...The river will rise above flood stage around 5 PM Sunday
  and crest near 27.2 feet around 11 PM Sunday. The river will fall 
  below flood stage Monday morning.
* Impact...At 27.0 feet, the Snohomish River will flood several 
  roads...including the Snohomish-Monroe highway...and low areas of 
  the lower Snohomish valley that are not protected by levees.  A 
  stage of 27 feet on the Snohomish River corresponds roughly to a 
  Phase 2 in the Snohomish County flood program.

&&

LAT...LON 4786 12217 4789 12221 4796 12232 4809 12216 4794 12213
      4791 12203       

$$

WAC033-230115-
/O.CAN.KSEW.FL.W.0027.000000T0000Z-171023T0723Z/
/SQUW1.2.ER.171022T0759Z.171022T1415Z.171022T2216Z.NO/
545 PM PDT Sun Oct 22 2017


  The Snoqualmie River near the Falls
* At  3:45 PM Sunday the flow was 19170 cfs.
* Flood flow is 20000 cfs.
* Fell below flood flow late this afternoon.
* Forecast...The river fell below flood stage  3:16 PM Sunday and 
  will continue to fall.
* Impact...At 12000 cfs, the Snoqualmie River will spill over its 
  banks between the town of Snoqualmie and Fall City...covering 
  pasture lands and several roads along the river. This river level 
  on the Snoqualmie corresponds roughly to a phase 2 flood in the 
  King County flood system.

&&

LAT...LON 4742 12175 4752 12186 4756 12196 4761 12188 4758 12178
      4756 12170       

$$

WAC033-230844-
/O.EXT.KSEW.FL.W.0033.000000T0000Z-171024T0616Z/
/CRNW1.1.ER.171022T2236Z.171023T1200Z.171023T1816Z.NO/
545 PM PDT Sun Oct 22 2017

...Flood Warning extended until Monday evening...

The Flood Warning continues for
  The Snoqualmie River near Carnation
* Until Monday evening.
* At  4:45 PM Sunday the stage was 54.2 feet.
* Flood stage is 54.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to rise and crest near 55.4 feet
  around 5 AM Monday. The river will fall below flood stage Monday 
  late morning.
* Impact...At 54.0 feet, the Snoqualmie River will flood much of the 
  farm land and several roads from Fall City downstream through 
  Carnation and Duvall.

&&

LAT...LON 4756 12196 4770 12204 4784 12202 4783 12194 4771 12193
      4761 12188       

$$

WAC033-053-230844-
/O.CON.KSEW.FL.W.0037.000000T0000Z-171025T1018Z/
/WRAW1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
545 PM PDT Sun Oct 22 2017

The Flood Warning continues for
  The White River at R Street
* Until late Tuesday night.
* At  3:45 PM Sunday the flow was 4630 cfs.
* Flood flow is 5500 cfs.
* The river is expected to continue to rise this evening and tonight
  approaching the flood stage of 5500 cfs and remaining there through Tuesday.
* Impact...At 6000 cfs, River flooding is likely to occur upstream of 
  the A Street Bridge in the City of Auburn. Flooding is likely to 
  occur in the City of Pacific near Government Canal and Butte Avenue
  as well as high water along the temporary flood protection 
  barriers. This level roughly corresponds to the King County Flood 
  Phase 2.

&&

LAT...LON 4721 12214 4724 12219 4719 12223 4724 12230 4732 12226
      4732 12214      

$$

WAC041-230844-
/O.EXT.KSEW.FL.W.0035.000000T0000Z-171023T1204Z/
/RAWW1.2.ER.171022T1450Z.171022T2145Z.171023T0304Z.NO/
545 PM PDT Sun Oct 22 2017

The Flood Warning continues for
  The Cowlitz River at Randle
* Until late tonight.
* At  5:00 PM Sunday the stage was 20.0 feet.
* Flood stage is 18.0 feet.
* Minor flooding is occurring.
* Forecast...The river crested at 20.3 feet at 3 PM Sunday and will 
  continue to fall to below flood stage tonight.
* Impact...At 20.0 feet, the Cowlitz River will cause flooding from 
  the vicinity of Randle downstream through Riffe Lake...inundating 
  many roads including US Highway 12 and much of the farm lands.

&&

LAT...LON 4645 12180 4645 12194 4640 12219 4654 12220 4659 12198
      4661 12183       

$$

WAC041-230115-
/O.CAN.KSEW.FL.W.0038.000000T0000Z-171023T1047Z/
/NEWW1.1.ER.171022T1412Z.171022T1945Z.171022T2312Z.NO/
545 PM PDT Sun Oct 22 2017

The Flood Warning has ended for
  The Newaukum River near Chehalis
* At  4:45 PM Sunday the stage was 10.1 feet.
* Flood stage is 10.5 feet.
* Fell below flood stage late this afternoon.
* Forecast...The river fell below flood stage  4:12 PM Sunday late 
  this afternoon and will continue to fall.


&&

LAT...LON 4657 12248 4652 12289 4662 12305 4675 12295 4668 12286
      4676 12264       

$$
658 
WGUS86 KSEW 230505
FLSSEW
Flood Statement
National Weather Service Seattle WA
1005 PM PDT Sun Oct 22 2017

...The Flood Warning has ended for the following rivers in 
Washington...

  Snohomish River near Monroe affecting Snohomish County.
  White River at R Street affecting King and Pierce Counties.

...The Flood Warning continues for the following rivers in 
Washington...

  Snohomish River at Snohomish affecting Snohomish County.
  Snoqualmie River near Carnation affecting King County.
  Cowlitz River at Randle affecting Lewis County.

.Flood Bulletin No. 15


Hydrologically significant rainfall has come to an end across the area. 
Rivers will continue to recede tonight with the exception of the lower
reaches of rivers flowing into Puget Sound which will crest overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars...vans...or trucks through flooded areas...this is 
the cause of most flood related deaths in Washington. Be alert for 
rapid changes and monitor developments by listening to NOAA Weather 
radio or other local media.

&&

WAC061-230535-
/O.CAN.KSEW.FL.W.0039.000000T0000Z-171023T1817Z/
/MROW1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1005 PM PDT Sun Oct 22 2017

The Flood Warning is cancelled for
  The Snohomish River near Monroe
* At  9:15 PM Sunday the stage was 13.0 feet.
* Flood stage is 15.0 feet.
* The river crested at 14.6 feet around 315 pm Sunday.
* Forecast, the river will continue to recede overnight.

&&

LAT...LON 4780 12190 4779 12212 4786 12217 4791 12203 4793 12202
      4793 12190       

$$

WAC061-231305-
/O.EXT.KSEW.FL.W.0040.000000T0000Z-171024T0523Z/
/SNAW1.1.ER.171023T1242Z.171023T1400Z.171023T1423Z.NO/
1005 PM PDT Sun Oct 22 2017

The Flood Warning continues for
  The Snohomish River at Snohomish
* From 6 AM Monday until Monday evening.
* At  9:00 PM Sunday the stage was 24.4 feet.
* Flood stage is 25.0 feet.
* Minor flooding is forecast.
* Forecast...The river will rise above flood stage around 6 AM Monday
  and crest near 25.1 feet around 7 AM Monday. The river will fall 
  below flood stage Monday morning.
* Impact...At 25.0 feet, the Snohomish River will cause minor flooding
  of lowlands not protected by levees and on the Old Snohomish-Monroe
  highway.  A stage of 25 feet on the Snohomish River corresponds to 
  a Phase 2 in the Snohomish County flood program.

&&

LAT...LON 4786 12217 4789 12221 4796 12232 4809 12216 4794 12213
      4791 12203       

$$

WAC033-231305-
/O.EXT.KSEW.FL.W.0033.000000T0000Z-171023T1917Z/
/CRNW1.1.ER.171022T2236Z.171023T0315Z.171023T0717Z.NO/
1005 PM PDT Sun Oct 22 2017

The Flood Warning continues for
  The Snoqualmie River near Carnation
* Until Monday afternoon.
* At  9:30 PM Sunday the stage was 54.5 feet.
* Flood stage is 54.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river crested at 54.6 feet at 8 PM Sunday and will 
  continue to fall to below flood stage early Monday morning.
* Impact...At 54.0 feet, the Snoqualmie River will flood much of the 
  farm land and several roads from Fall City downstream through 
  Carnation and Duvall.

&&

LAT...LON 4756 12196 4770 12204 4784 12202 4783 12194 4771 12193
      4761 12188       

$$

WAC033-053-230535-
/O.CAN.KSEW.FL.W.0037.000000T0000Z-171025T1018Z/
/WRAW1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
1005 PM PDT Sun Oct 22 2017

The Flood Warning is cancelled for
  The White River at R Street
* At  7:45 PM Sunday the flow was 4650 cfs.
* Flood flow is 5500 cfs.
* Forecast, the river will crest near 5000 cfs overnight 
  and remain near 5000 cfs through Tuesday. 

&&

LAT...LON 4721 12214 4724 12219 4719 12223 4724 12230 4732 12226
      4732 12214      

$$

WAC041-231304-
/O.EXT.KSEW.FL.W.0035.000000T0000Z-171023T1354Z/
/RAWW1.2.ER.171022T1450Z.171022T2145Z.171023T0454Z.NO/
1005 PM PDT Sun Oct 22 2017

...Flood Warning extended until Monday morning...

The Flood Warning continues for
  The Cowlitz River at Randle
* Until Monday morning.
* At  9:45 PM Sunday the stage was 18.3 feet.
* Flood stage is 18.0 feet.
* Minor flooding is occurring.
* Forecast...The river crested at 20.3 feet at 3 PM Sunday and will 
  continue to fall to below flood stage tonight.
* Impact...At 18.0 feet, the Cowlitz River will cause minor flooding 
  from the vicinity of Randle downstream through Riffe Lake...
  covering nearby farm lands and several roads.

&&

LAT...LON 4645 12180 4645 12194 4640 12219 4654 12220 4659 12198
      4661 12183       

$$

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 Seattle, WA wrote its last area forecast discussion before this river flood warning went out at Oct 22, 9:00 AM PDT, 39 minutes earlier.

Area forecast discussion, Oct 22, 9:00 AM PDT, 39 minutes before
Area Forecast Discussion
National Weather Service Seattle WA
900 AM PDT Sun Oct 22 2017

.SYNOPSIS...Showers and breezy conditions will taper today. Flooding
will continue on some area rivers. Snow levels will fall with a few
inches of new snow possible, mainly above the passes. Monday will
have a few showers in the mountains, and Tuesday will be dry. After
some light rain Wednesday, a stretch of dry weather should return.

&&

.SHORT TERM...Radar shows showers, mainly in the mountains, while
the area of heavier rain has moved well into Oregon. Some areas of
clear skies have developed. River flooding will continue today but
most rivers have already crested or will soon. The snow level will
fall to around 5000 feet; a few inches of new snow are likely in the
mountains above that level. Highs today will be in the 55-60 range.

Monday and Tuesday now appear completely dry. There will be patchy
late night and morning fog. Highs both days will be in the low to
mid 60s. Burke

.LONG TERM...Previous discussion...The GFS and ECMWF still bring a
weak front through the area Wednesday with some light rain across
much of the area. This system will be progressive and will not pose
any flood risk. Timing has shifted somewhat among models, with some
runs showing some precipitation by Tuesday night. But the best
chance will be on Wednesday. Not much change to the mid week
forecast.

A strong upper ridge builds over the region Thursday and Friday.
This will provide a stretch of dry weather, probably lasting into
next weekend. Fog may become more widespread if the flow remains
light but otherwise, nicer weather appears on tap. Mercer

&&

.HYDROLOGY...Heavy rainfall that has fallen over the past 24 hours
has come to an end. Rainfall amounts were sufficient to give
flooding to many rivers flowing off the west slopes of the Cascades
from Snohomish County southward. Flooding is also occurring on the
Skokomish River in Mason county.

Flooding is still possible on lower reaches of the Snohomish River
later this afternoon as the flood waves on the Skykomish and
Snoqualmie move downstream. Minor to moderate flooding on other
rivers in southwestern and west central Washington as well as
flooding on the Snoqualmie and Skykomish Rivers will gradually
recede. The Skagit River is rising but is expected to stay just
below flood stage.

With the heavy rainfall having come to an end, the flash flood watch
for the burn scar area of eastern Pierce County has expired.

Soil moisture has been relatively dry below the surface since there
has not been enough rainfall accumulation over a long enough period
yet this wet season. While an isolated landslide is possible in
western Washington with any rainstorm, and especially with high
intensity rain, soil moisture conditions have not yet significantly
increased the landslide threat. Albrecht

&&

.AVIATION...Strong west flow aloft over Western Washington this
morning will gradually ease and veer toward northwest through
tonight, as an upper ridge begins building offshore. The air mass
will gradually dry, especially at mid and upper levels, with low
level onshore flow turning weakly offshore tonight.

We still have scattered light showers and areas of SCT-BKN025
BKN045 this morning, but much of Western Washington is scattering
out. The improving trend will continue today with widespread VFR
conditions by midday. Relatively clear skies and light winds
tonight, combined the moist ground, should lead to patchy fog in
the more fog-prone valleys late tonight and Monday morning.

KSEA...Southwest wind 7-13 kt gusting 20 kt, easing this afternoon
and evening, becoming southeast 4-8 kt tonight. Occasional MVFR
ceilings in SCT-BKN022 cloud deck should give way to VFR
conditions with ceilings AOB060 by midday. McDonnal

&&

.MARINE...Onshore flow today will turn weakly offshore late
tonight and continue through Tuesday, as a ridge builds over the
Pacific Northwest. Small craft advisory winds this morning will
ease today; however, westerly swell 10 feet or higher will
continue over the coastal waters and at the west entrance Strait
of Juan de Fuca through Monday.

A weak cold front will move southeast across the area on
Wednesday, with small craft advisory winds over some marine zones.
Northerly flow will follow the front on Thursday as a ridge builds
over southern British Columbia. McDonnal

&&

.SEW WATCHES/WARNINGS/ADVISORIES...
WA...Flood Watch until 5 PM PDT this afternoon for Bellevue and
     Vicinity-Cascades of Pierce and Lewis Counties-Cascades of
     Snohomish and King Counties-East Puget Sound Lowlands-
     Everett and Vicinity-Seattle and Vicinity-Southwest
     Interior-Tacoma Area.

PZ...Small Craft Advisory for rough bar until 5 PM PDT Monday for
     Grays Harbor Bar.

     Small Craft Advisory until 5 PM PDT this afternoon for Coastal
     Waters From Cape Flattery To James Island 10 To 60 Nm-
     Coastal Waters From Cape Flattery To James Island Out 10 Nm-
     Coastal Waters From James Island To Point Grenville 10 To
     60 Nm-Coastal Waters From James Island To Point Grenville
     Out 10 Nm-Coastal Waters From Point Grenville To Cape
     Shoalwater 10 To 60 Nm-Coastal Waters From Point Grenville
     To Cape Shoalwater Out 10 Nm.

     Small Craft Advisory for hazardous seas from 5 PM this afternoon
     to 11 PM PDT Monday for Coastal Waters From Cape Flattery
     To James Island 10 To 60 Nm-Coastal Waters From Cape
     Flattery To James Island Out 10 Nm-Coastal Waters From
     James Island To Point Grenville 10 To 60 Nm-Coastal Waters
     From James Island To Point Grenville Out 10 Nm-Coastal
     Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm-
     Coastal Waters From Point Grenville To Cape Shoalwater Out
     10 Nm.

     Small Craft Advisory until noon PDT today for Central U.S.
     Waters Strait Of Juan De Fuca-East Entrance U.S. Waters
     Strait Of Juan De Fuca.

     Gale Warning until 9 AM PDT this morning for Central U.S. Waters
     Strait Of Juan De Fuca-East Entrance U.S. Waters Strait Of
     Juan De Fuca.

     Small Craft Advisory until noon PDT today for Northern Inland
     Waters Including The San Juan Islands-Puget Sound and Hood
     Canal.

     Small Craft Advisory until 11 AM PDT this morning for West
     Entrance U.S. Waters Strait Of Juan De Fuca.

     Small Craft Advisory for hazardous seas until 5 PM PDT Monday
     for West Entrance U.S. Waters Strait Of Juan De Fuca.

&&

www.weather.gov/seattle

You can see an illustrated version of this discussion at
www.wrh.noaa.gov/sew/gafd/latest_webafd.html

In the hours before

Local storm report, Oct 22, 8:12 AM PDT, 1 hour 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
812 AM PDT SUN OCT 22 2017

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

0811 AM     HEAVY RAIN       2 N POTLATCH            47.40N 123.14W
10/22/2017  M2.50 INCH       Mason              WA   TRAINED SPOTTER

            24 HOUR RAINFALL ENDING AT 8 AM.

&&

ALBRECHT
Local storm report, Oct 22, 9:30 AM PDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
930 AM PDT SUN OCT 22 2017

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

0800 AM     HEAVY RAIN       2 NNE LA CONNER         46.93N 123.00W
10/22/2017  M3.11 INCH       THURSTON           WA   TRAINED SPOTTER

            RAINFALL IN PAST 24 HOURS.

0700 AM     HEAVY RAIN       18 NE SKOKOMISH         47.52N 122.88W
10/22/2017  M2.16 INCH       MASON              WA   PUBLIC

            24 HOUR RAINFALL.

&&

GRUB

The office that day

Everything else NWS Seattle, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 21, 10:10 PM PDTRiver Flood WarningSEWMason20 hr
Oct 21, 10:10 PM PDTRiver Flood WarningSEWSnohomish27 hr
Oct 21, 10:10 PM PDTRiver Flood WarningSEWKing26 hr
Oct 21, 10:41 PM PDTRiver Flood WarningSEWKing15 hr
Oct 21, 10:41 PM PDTRiver Flood WarningSEWPierce23 hr
Oct 21, 10:41 PM PDTRiver Flood WarningSEWPierce18 hr
Oct 21, 10:41 PM PDTRiver Flood WarningSEWLewis18 hr
Oct 21, 11:56 PM PDTRiver Flood WarningSEWSnohomish14 hr
Oct 21, 11:56 PM PDTRiver Flood WarningSEWKing39 hr
Oct 22, 2:25 AM PDTRiver Flood WarningSEWSnohomish22 hr
Oct 22, 2:25 AM PDTRiver Flood WarningSEWLewis32 hr
Oct 22, 2:30 AM PDTRiver Flood WarningSEWLewis, Pierce21 hr
Oct 22, 2:57 AM PDTGale WarningSEW6 hr
Oct 22, 2:57 AM PDTSmall Craft AdvisorySEW9 hr
Oct 22, 2:57 AM PDTSmall Craft Advisory for Hazardous SeasSEW44 hr
Oct 22, 4:28 AM PDTRiver Flood WarningSEWKing, Pierce71 hr
Oct 22, 9:13 AM PDTRiver Flood WarningSEWLewis20 hr
Oct 22, 9:39 AM PDTRiver Flood WarningSEWSnohomish45 hr

Nearby

River Flood Warnings in Washington, 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.