Alert archive / Washington / River Flood Warnings in 2021

River Flood Warning 77, NWS Seattle, WA

November 14, 2021King County, Washington

NWS Seattle, WA issued this river flood warning at Nov 14, 2021, 11:20 AM PST for King County, Washington. It took effect at Nov 14, 2021, 1:00 PM PST. It was in force for 58 hr.

The area

The outline as issued.

The facts

Issued
Nov 14, 2021, 11:20 AM PST (19:20 UTC)
In effect from
Nov 14, 2021, 1:00 PM PST
Expired
Nov 16, 2021, 11:21 PM PST
In force
58 hr
Issued by
NWS Seattle, WA
Area
Storm-based polygon
Flood severity
Moderate

County King County, WA

The radar

The Seattle radar (KATX), 69 km from the middle of the area, began a volume at 19:19 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 Snoqualmie River near Carnation (CRNW1). The gauge peaked at 56.74 ft at Nov 15, 2021, 7:00 AM PST.

actionminormoderatemajor505511/1411/1511/1611/1711/18
Action stage
50.7 ft
Minor stage
54 ft
Moderate stage
56 ft
Major stage
58 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12149000, 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.

700 
WGUS46 KSEW 141920
FLWSEW

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Seattle WA
1120 AM PST Sun Nov 14 2021

...The National Weather Service in Seattle WA has issued a Flood 
Warning for the following rivers in Washington...

  Snoqualmie River Near Carnation affecting King County.

.Steady moderate to heavy rain is causing area rivers to respond and 
rise today. Multiple rivers will reach flood stage later today and 
tomorrow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued by this evening at 730 PM PST.

&&


WAC033-150330-
/O.NEW.KSEW.FL.W.0077.211114T2100Z-211117T0721Z/
/CRNW1.2.ER.211114T2130Z.211115T1200Z.211116T1920Z.NO/
1120 AM PST Sun Nov 14 2021

...FLOOD WARNING IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY 
EVENING...

* WHAT...Moderate flooding is forecast.

* WHERE...Snoqualmie River Near Carnation.

* WHEN...Until late Tuesday evening.

* IMPACTS...At 56.0 feet, the Snoqualmie River will cause widespread 
  flooding from Fall City downstream through Carnation and Duvall...
  inundating much of the farm land and numerous roads.

* ADDITIONAL DETAILS...
  - At 10:15 AM PST Sunday the stage was 53.1 feet.
  - Forecast...The river will rise above flood stage early this
    afternoon to 57.7 feet late tonight. It will then fall to
    54.7 feet and begin rising again tomorrow afternoon. It will
    rise to 57.2 feet early Tuesday morning. It will then fall
    below flood stage late Tuesday morning.
  - Flood stage is 54.0 feet.
  - Flood History...This crest compares to a previous crest of
    57.7 feet on 12/26/1967.
  - http://www.weather.gov/safety/flood

&&

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


$$

Pullin
7 follow-up statements
978 
WGUS86 KSEW 150300
FLSSEW

Flood Statement
National Weather Service Seattle WA
700 PM PST Sun Nov 14 2021

...The Flood Warning is extended for the following rivers in 
Washington...

  Snoqualmie River Near Carnation affecting King County.

.The Snoqualmie River near Carnation will continue to rise tonight 
and crest Monday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued by late tonight at 300 AM PST.

&&


WAC033-151100-
/O.EXT.KSEW.FL.W.0077.000000T0000Z-211117T0945Z/
/CRNW1.2.ER.211114T2210Z.211115T1200Z.211116T2145Z.NO/
700 PM PST Sun Nov 14 2021

...FLOOD WARNING NOW IN EFFECT FROM THIS EVENING THROUGH LATE 
TUESDAY NIGHT...

* WHAT...Minor flooding is occurring and moderate flooding is 
  forecast.

* WHERE...Snoqualmie River Near Carnation.

* WHEN...Until early Wednesday morning.

* IMPACTS...At 56.0 feet, the Snoqualmie River will cause widespread 
  flooding from Fall City downstream through Carnation and Duvall...
  inundating much of the farm land and numerous roads.

* ADDITIONAL DETAILS...
  - At 6:45 PM PST Sunday the stage was 54.9 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 6:45 PM PST Sunday was 54.9 feet.
  - Forecast...The river will rise to 56.6 feet late tomorrow
    morning. It will then fall below flood stage tomorrow evening
    to 53.8 feet and begin rising again late tomorrow evening. It
    will rise above flood stage late tomorrow evening and
    continue to rise to 54.6 feet late Tuesday morning. It will
    then fall below flood stage again early Tuesday afternoon.
  - Flood stage is 54.0 feet.
  - Flood History...This crest compares to a previous crest of
    56.6 feet on 12/11/1946.
  - http://www.weather.gov/safety/flood

&&

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


$$

33
607 
WGUS86 KSEW 151022
FLSSEW

Flood Statement
National Weather Service Seattle WA
222 AM PST Mon Nov 15 2021

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

  Snoqualmie River Near Carnation affecting King County.

.A brief round of heavy rain later this morning in the Central 
Cascades. Snow levels will drop significantly this afternoon with 
decreasing precipitation rates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued by this morning at 1030 AM PST.

&&


WAC033-151830-
/O.EXT.KSEW.FL.W.0077.000000T0000Z-211117T0015Z/
/CRNW1.2.ER.211114T2210Z.211115T1200Z.211116T1215Z.NO/
222 AM PST Mon Nov 15 2021

...FLOOD WARNING NOW IN EFFECT FROM EARLY THIS MORNING THROUGH 
TUESDAY AFTERNOON...

* WHAT...Moderate flooding is occurring and moderate flooding is 
  forecast.

* WHERE...Snoqualmie River Near Carnation.

* WHEN...Until tomorrow afternoon.

* IMPACTS...At 56.0 feet, the Snoqualmie River will cause widespread 
  flooding from Fall City downstream through Carnation and Duvall...
  inundating much of the farm land and numerous roads.

* ADDITIONAL DETAILS...
  - At 2:00 AM PST Monday the stage was 56.4 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 2:00 AM PST Monday was 56.4 feet.
  - Forecast...The river will crest around 56.7 feet this
    morning. The river will slowly recede this afternoon through
    Tuesday morning falling below flood stage Tuesday afternoon.
  - Flood stage is 54.0 feet.
  - Flood History...This crest compares to a previous crest of
    56.6 feet on 03/09/2014.
  - http://www.weather.gov/safety/flood

&&

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


$$

44
373 
WGUS86 KSEW 151827 RRA
FLSSEW

Flood Statement
National Weather Service Seattle WA
1027 AM PST Mon Nov 15 2021

...The Flood Warning is extended for the following rivers in 
Washington...

  Snoqualmie River Near Carnation affecting King County.

.A brief round of heavy rain later this morning in the Central 
Cascades. Snow levels will drop significantly this afternoon with 
decreasing precipitation rates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued by this evening at 630 PM PST.

&&


WAC033-160230-
/O.EXT.KSEW.FL.W.0077.000000T0000Z-211117T0828Z/
/CRNW1.2.ER.211114T2210Z.211115T1500Z.211116T2028Z.NO/
1027 AM PST Mon Nov 15 2021

...FLOOD WARNING NOW IN EFFECT FROM THIS MORNING THROUGH LATE 
TUESDAY NIGHT...

* WHAT...Moderate flooding is occurring and minor flooding is 
  forecast.

* WHERE...Snoqualmie River Near Carnation.

* WHEN...Until early Wednesday morning.

* IMPACTS...At 56.0 feet, the Snoqualmie River will cause widespread 
  flooding from Fall City downstream through Carnation and Duvall...
  inundating much of the farm land and numerous roads.

* ADDITIONAL DETAILS...
  - At 10:00 AM PST Monday the stage was 56.6 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 10:00 AM PST Monday was 56.7 feet.
  - Forecast...The river is crested at 56.7 feet at 10 am and is
    expected to fall below flood stage early tomorrow afternoon.
  - Flood stage is 54.0 feet.
  - Flood History...This crest compares to a previous crest of
    56.6 feet on 12/11/1946.
  - http://www.weather.gov/safety/flood

&&

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


$$

JBB
525 
WGUS86 KSEW 160118
FLSSEW

Flood Statement
National Weather Service Seattle WA
518 PM PST Mon Nov 15 2021

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

  Snoqualmie River Near Carnation affecting King County.

  Skykomish River Near Gold Bar affecting Snohomish County.

.Heavy rain has come to an end over the Central Washington Cascades 
this afternoon. Snow levels have also dropped significantly this 
afternoon and evening keeping any additional precipitation as snow 
in the mountains into Tuesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Additional information is available at www.weather.gov.

The next statement will be issued by late tonight at 245 AM PST.

&&


WAC033-161100-
/O.EXT.KSEW.FL.W.0077.000000T0000Z-211117T0228Z/
/CRNW1.2.ER.211114T2210Z.211115T1500Z.211116T2002Z.NO/
518 PM PST Mon Nov 15 2021

...FLOOD WARNING NOW IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY 
EVENING...

* WHAT...Moderate flooding is occurring and minor flooding is 
  forecast.

* WHERE...Snoqualmie River Near Carnation.

* WHEN...Until tomorrow evening.

* IMPACTS...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.

* ADDITIONAL DETAILS...
  - At 5:00 PM PST Monday the stage was 55.7 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 10:00 AM PST Monday was 56.7 feet.
  - Forecast...The river is expected to fall below flood stage
    early tomorrow afternoon.
  - Flood stage is 54.0 feet.
  - Flood History...This crest compares to a previous crest of
    55.8 feet on 02/22/1961.
  - http://www.weather.gov/safety/flood

&&

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


$$

WAC061-161100-
/O.EXT.KSEW.FL.W.0070.000000T0000Z-211116T1808Z/
/GLBW1.2.ER.211114T1138Z.211115T0415Z.211116T0608Z.NO/
518 PM PST Mon Nov 15 2021

...FLOOD WARNING NOW IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY 
MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Skykomish River Near Gold Bar.

* WHEN...Until late tomorrow morning.

* IMPACTS...At 15.0 feet, the Skykomish River will cause minor 
  flooding of low pasture lands and low lying roads...including 
  Index-Galena Rd and Tualco Loop Rd.  A stage of 15 feet on the 
  Skykomish River corresponds to a Phase 2 in the Snohomish County 
  flood program.

* ADDITIONAL DETAILS...
  - At 5:00 PM PST Monday the stage was 13.9 feet.
  - Forecast...The river is expected to rise above flood stage
    late this evening to a crest of 15.0 feet late this evening.
    It will then fall below flood stage late tonight.
  - Flood stage is 15.0 feet.
  - Flood History...This crest compares to a previous crest of
    15.0 feet on 02/28/1972.
  - http://www.weather.gov/safety/flood

&&

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


$$

45
880 
WGUS86 KSEW 161039
FLSSEW

Flood Statement
National Weather Service Seattle WA
239 AM PST Tue Nov 16 2021

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

  Snoqualmie River Near Carnation affecting King County.

.Steady rain ended Monday and little if any rain is forecast for 
today. In the mountains the precipitation will be in the form of 
snow. The Snoqualmie river near Carnation will continue to recede 
today.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued by this morning at 1045 AM PST.

&&


WAC033-161845-
/O.EXT.KSEW.FL.W.0077.000000T0000Z-211116T2230Z/
/CRNW1.2.ER.211114T2210Z.211115T1500Z.211116T1030Z.NO/
239 AM PST Tue Nov 16 2021

...FLOOD WARNING NOW IN EFFECT FROM EARLY THIS MORNING THROUGH THIS 
AFTERNOON...

* WHAT...Minor flooding is occurring.

* WHERE...Snoqualmie River Near Carnation.

* WHEN...Until this afternoon.

* IMPACTS...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.

* ADDITIONAL DETAILS...
  - At 2:00 AM PST Tuesday the stage was 54.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 2:00 AM PST Tuesday was 56.5 feet.
  - Forecast...The river is expected to fall below flood stage
    early this morning and continue falling through Thursday.
  - Flood stage is 54.0 feet.
  - Flood History...This crest compares to a previous crest of
    54.0 feet on 01/16/1961.
  - http://www.weather.gov/safety/flood

&&

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


$$

44
413 
WGUS86 KSEW 161841
FLSSEW

Flood Statement
National Weather Service Seattle WA
1041 AM PST Tue Nov 16 2021

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

  Snoqualmie River Near Carnation affecting King County.

.The Snoqualmie River near Carnation will continue to recede today.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued by this afternoon at 230 PM PST.

&&


WAC033-162230-
/O.EXT.KSEW.FL.W.0077.000000T0000Z-211116T2218Z/
/CRNW1.2.ER.211114T2210Z.211115T1500Z.211116T1018Z.NO/
1041 AM PST Tue Nov 16 2021

...FLOOD WARNING NOW IN EFFECT FROM THIS MORNING THROUGH THIS 
AFTERNOON...

* WHAT...No additional flooding is currently forecast.

* WHERE...Snoqualmie River Near Carnation.

* WHEN...Until this afternoon.

* IMPACTS...At 51.0 feet, the Snoqualmie River will spill over its 
  banks from Fall City downstream through Carnation and Duvall...
  with shallow water over some farm land and several roads.

* ADDITIONAL DETAILS...
  - At 9:15 AM PST Tuesday the stage was 52.3 feet.
  - Forecast...The river is expected to continue falling today,
    falling below 51.0 feet late this evening or tonight.
  - Flood stage is 54.0 feet.
  - Flood History...This crest compares to a previous crest of
    52.3 feet on 11/20/2012.
  - http://www.weather.gov/safety/flood

&&

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


$$

12
132 
WGUS86 KSEW 162219
FLSSEW

Flood Statement
National Weather Service Seattle WA
219 PM PST Tue Nov 16 2021

...The Flood Warning is expired for the following rivers in 
Washington...

  Snoqualmie River Near Carnation affecting King County.

.The Snoqualmie River near Carnation will continue to recede today.

WAC033-162330-
/O.EXP.KSEW.FL.W.0077.000000T0000Z-211116T2218Z/
/CRNW1.2.ER.211114T2210Z.211115T1500Z.211116T1018Z.NO/
219 PM PST Tue Nov 16 2021

...FLOOD WARNING HAS EXPIRED THIS AFTERNOON...

The Flood Warning has expired for
  the Snoqualmie River Near Carnation.

* ADDITIONAL DETAILS...
  - At 1:15 PM PST Tuesday the stage was 52.3 feet.
  - Forecast...The river is expected to continue to fall.
  - http://www.weather.gov/safety/flood

&&

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


$$

JBB

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 14, 3:07 AM PSTGale WarningSEW43 hr
Nov 14, 3:22 AM PSTRiver Flood WarningSEWSnohomish47 hr
Nov 14, 6:43 AM PSTRiver Flood WarningSEWSkagit4 days
Nov 14, 8:30 AM PSTStorm WatchSEW6 hr
Nov 14, 9:33 AM PSTRiver Flood WarningSEWKing21 hr
Nov 14, 10:33 AM PSTRiver Flood WarningSEWSkagit46 hr
Nov 14, 10:40 AM PSTRiver Flood WarningSEWWhatcom38 hr
Nov 14, 11:02 AM PSTRiver Flood WarningSEWSnohomish57 hr
Nov 14, 11:02 AM PSTRiver Flood WarningSEWSnohomish62 hr
Nov 14, 11:50 AM PSTRiver Flood WarningSEWWhatcom50 hr
Nov 14, 12:49 PM PSTRiver Flood WarningSEWSkagit5 days
Nov 14, 1:09 PM PSTAreal Flood AdvisorySEWSkagit, Whatcom19 hr
Nov 14, 1:28 PM PSTRiver Flood WarningSEWWhatcom3 days
Nov 14, 2:15 PM PSTStorm WarningSEW29 hr
Nov 14, 3:15 PM PSTHigh Wind WatchSEW4 hr
Nov 14, 3:40 PM PSTAreal Flood WarningSEWWhatcom48 hr

Nearby

River Flood Warnings in Washington, 2021Every river flood warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.