Alert archive / Washington / River Flood Warnings in 2021

River Flood Warning 50, NWS Seattle, WA

November 8, 2021Mason County, Washington

NWS Seattle, WA issued this river flood warning at Nov 8, 2021, 10:15 PM PST for Mason County, Washington. It took effect at Nov 9, 2021, 12:05 AM PST. It was in force for 45 hr.

The area

The outline as issued.

The facts

Issued: Nov 8, 2021, 10:15 PM PST (06:15 UTC)
In effect from: Nov 9, 2021, 12:05 AM PST
Expired: Nov 10, 2021, 8:35 PM PST
In force: 45 hr
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Flood severity: Minor

County Mason County, WA

The radar

The Langley Hill radar (KLGX), 72 km from the middle of the area, began a volume at 06:14 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 Skokomish River near Potlatch (SRPW1). The gauge peaked at 16.95 ft at Nov 9, 2021, 9:00 PM PST.

Action stage: 15 ft
Minor stage: 16.5 ft
Moderate stage: 17.5 ft
Major stage: 18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12061500, 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.

766 
WGUS46 KSEW 090615
FLWSEW

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Seattle WA
1015 PM PST Mon Nov 8 2021

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

  Skokomish River At Potlatch affecting Mason County.

.Additional rainfall expected tonight into Tuesday will push the 
river back above flood stage. The river will then likely remain 
above flood stage through much of Tuesday and into Tuesday night as 
rain continues.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 Tuesday morning at 600 AM PST.

&&


WAC045-091400-
/O.NEW.KSEW.FL.W.0050.211109T0805Z-000000T0000Z/
/SRPW1.1.ER.211109T0805Z.211110T0000Z.000000T0000Z.NO/
1015 PM PST Mon Nov 8 2021

...FLOOD WARNING IN EFFECT FROM LATE TONIGHT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is forecast.

* WHERE...Skokomish River At Potlatch.

* WHEN...From late tonight until further notice.

* IMPACTS...At 16.5 feet, the Skokomish River will cause widespread 
  flooding of pasture lands, with water flowing quickly over West 
  Bourgault Road and Skokomish Valley Road.

* ADDITIONAL DETAILS...
  - At 9:45 PM PST Monday the stage was 16.4 feet.
  - Forecast...The river is expected to rise above flood stage
    just after midnight tonight and continue rising to a crest of
    16.9 feet tomorrow afternoon before then gradually receding
    Tuesday night and Wednesday. Heavy rain expected towards the
    end of the week will then push the river quickly back up
    above flood stage again, likely approaching moderate flood
    stage.
  - Flood stage is 16.5 feet.
  - Flood History...This crest compares to a previous crest of
    16.8 feet on 11/23/1990.
  - http://www.weather.gov/safety/flood

&&

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


$$

CK

6 follow-up statements

377 
WGUS86 KSEW 091305
FLSSEW

Flood Statement
National Weather Service Seattle WA
505 AM PST Tue Nov 9 2021

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

  Skokomish River At Potlatch affecting Mason County.

.Additional rainfall expected tonight into Tuesday will push the 
river back above flood stage. The river will then likely remain 
above flood stage through much of Tuesday and into Tuesday night as 
rain continues.

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 this afternoon at 115 PM PST.

&&


WAC045-092115-
/O.CON.KSEW.FL.W.0050.000000T0000Z-000000T0000Z/
/SRPW1.1.ER.211109T1256Z.211110T0000Z.000000T0000Z.NO/
505 AM PST Tue Nov 9 2021

...FLOOD WARNING REMAINS IN EFFECT FROM EARLY THIS MORNING UNTIL 
FURTHER NOTICE...

* WHAT...Minor flooding is forecast.

* WHERE...Skokomish River At Potlatch.

* WHEN...Until further notice.

* IMPACTS...At 16.5 feet, the Skokomish River will cause widespread 
  flooding of pasture lands, with water flowing quickly over West 
  Bourgault Road and Skokomish Valley Road.

* ADDITIONAL DETAILS...
  - At 4:45 AM PST Tuesday the stage was 16.5 feet.
  - Forecast...The river is expected to rise to a crest of 16.9
    feet late this afternoon.
  - Flood stage is 16.5 feet.
  - Flood History...This crest compares to a previous crest of
    16.8 feet on 11/23/1990.
  - http://www.weather.gov/safety/flood

&&

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


$$

mbutwin

156 
WGUS86 KSEW 092049
FLSSEW

Flood Statement
National Weather Service Seattle WA
1249 PM PST Tue Nov 9 2021

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

  Skokomish River At Potlatch affecting Mason County.

.Persistent rain has ended today but showers will continue 
overnight. This will allow the river to crest this evening and 
recede, but slowly due to the occasional heavy shower. Another round 
of heavy rain Thursday and Friday will drive the river back up above 
flood stage, possibly to moderate flood stage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Stay tuned to further developments by listening to your local radio, 
television, or NOAA Weather Radio for further information.

Additional information is available at www.weather.gov.

The next statement will be issued by this evening at 845 PM PST.

&&


WAC045-100500-
/O.EXT.KSEW.FL.W.0050.000000T0000Z-211111T1106Z/
/SRPW1.1.ER.211109T1256Z.211110T0600Z.211111T0459Z.NO/
1249 PM PST Tue Nov 9 2021

...FLOOD WARNING NOW IN EFFECT FROM THIS AFTERNOON THROUGH LATE 
WEDNESDAY NIGHT...

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

* WHERE...Skokomish River At Potlatch.

* WHEN...Until early Thursday morning.

* IMPACTS...At 16.5 feet, the Skokomish River will cause widespread 
  flooding of pasture lands, with water flowing quickly over West 
  Bourgault Road and Skokomish Valley Road.

* ADDITIONAL DETAILS...
  - At 12:15 PM PST Tuesday the stage was 16.8 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 12:15 PM PST Tuesday was 16.8 feet.
  - Forecast...The river is expected to rise and crest at 17.0
    feet tonight. The river will fall below flood stage Wednesday
    evening and continue falling. The river will then rise above
    flood stage again Thursday afternoon.
  - Flood stage is 16.5 feet.
  - Flood History...This crest compares to a previous crest of
    16.8 feet on 11/23/1990.
  - http://www.weather.gov/safety/flood

&&

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


$$

JBB

173 
WGUS86 KSEW 100456
FLSSEW

Flood Statement
National Weather Service Seattle WA
856 PM PST Tue Nov 9 2021

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

  Skokomish River At Potlatch affecting Mason County.

.Persistent rain has ended but consistent showers will continue this 
evening. This will allow the river to crest and eventually recede 
overnight. However, another round of heavy rain Thursday and Friday 
will bring another round of flooding, possibly bringing the river to 
moderate flood stage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Stay tuned to further developments by listening to your local radio, 
television, or NOAA Weather Radio for further information.

Additional information is available at www.weather.gov.

The next statement will be issued by Wednesday morning at 700 AM PST.

&&


WAC045-101500-
/O.EXT.KSEW.FL.W.0050.000000T0000Z-211111T1359Z/
/SRPW1.1.ER.211109T1256Z.211110T0600Z.211111T0459Z.NO/
856 PM PST Tue Nov 9 2021

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

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

* WHERE...Skokomish River At Potlatch.

* WHEN...Until late Wednesday night.

* IMPACTS...At 16.5 feet, the Skokomish River will cause widespread 
  flooding of pasture lands, with water flowing quickly over West 
  Bourgault Road and Skokomish Valley Road.

* ADDITIONAL DETAILS...
  - At 8:30 PM PST Tuesday the stage was 16.9 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 8:30 PM PST Tuesday was 16.9 feet.
  - Forecast...The river is expected to crest around 17.0 feet
    later tonight and slowly recede through the day Wednesday. It
    will fall below flood stage on Wednesday evening, but rise
    again above flood stage Thursday afternoon.
  - Flood stage is 16.5 feet.
  - Flood History...This crest compares to a previous crest of
    16.8 feet on 11/23/1990.
  - http://www.weather.gov/safety/flood

&&

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


$$

12

705 
WGUS86 KSEW 101439
FLSSEW

Flood Statement
National Weather Service Seattle WA
639 AM PST Wed Nov 10 2021

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

  Skokomish River At Potlatch affecting Mason County.

.The river will continue to gradually recede today. However, another 
round of heavy rain Thursday and Friday will bring renewed flooding 
on the Skokomish River and possibly bringing the river to moderate 
flood stage Thursday night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Stay tuned to further developments by listening to your local radio, 
television, or NOAA Weather Radio for further information.

Additional information is available at www.weather.gov.

The next statement will be issued by this afternoon at 400 PM PST.

&&


WAC045-110015-
/O.CON.KSEW.FL.W.0050.000000T0000Z-211111T1359Z/
/SRPW1.1.ER.211109T1256Z.211110T0745Z.211111T0459Z.NO/
639 AM PST Wed Nov 10 2021

...FLOOD WARNING REMAINS IN EFFECT FROM THIS MORNING THROUGH LATE 
TONIGHT...

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

* WHERE...Skokomish River At Potlatch.

* WHEN...Until late tonight.

* IMPACTS...At 16.5 feet, the Skokomish River will cause widespread 
  flooding of pasture lands, with water flowing quickly over West 
  Bourgault Road and Skokomish Valley Road.

* ADDITIONAL DETAILS...
  - At 6:00 AM PST Wednesday the stage was 16.9 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 6:00 AM PST Wednesday was 17.0 feet.
  - Forecast...The river is expected to fall below flood stage
    this evening and continue falling to 16.3 feet tomorrow
    afternoon.However, another sharp rise is expected Thursday
    night into early Friday, with moderate flooding possible.
  - Flood stage is 16.5 feet.
  - Flood History...This crest compares to a previous crest of
    16.8 feet on 11/23/1990.
  - http://www.weather.gov/safety/flood

&&

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


$$

12

840 
WGUS86 KSEW 102151
FLSSEW

Flood Statement
National Weather Service Seattle WA
151 PM PST Wed Nov 10 2021

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

  Skokomish River At Potlatch affecting Mason County.

.A break in the weather today has allowed the river to recede, but 
rain will return through the end of the week. This flood warning is 
in effect through tonight, and a flood watch is also in effect for 
Mason County for Thursday afternoon through Saturday as periods of 
heavy rain occur through the end of the week.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Caution is urged when walking near riverbanks.

Stay tuned to further developments by listening to your local radio, 
television, or NOAA Weather Radio for further information.

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 this evening at 945 PM PST.

&&


WAC045-110600-
/O.CON.KSEW.FL.W.0050.000000T0000Z-211111T1359Z/
/SRPW1.1.ER.211109T1256Z.211110T0745Z.211111T0459Z.NO/
151 PM PST Wed Nov 10 2021

...FLOOD WARNING REMAINS IN EFFECT FROM THIS AFTERNOON THROUGH LATE 
TONIGHT...

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

* WHERE...Skokomish River At Potlatch.

* WHEN...Until late tonight.

* IMPACTS...At 16.5 feet, the Skokomish River will cause widespread 
  flooding of pasture lands, with water flowing quickly over West 
  Bourgault Road and Skokomish Valley Road.

* ADDITIONAL DETAILS...
  - At 2:00 PM PST Wednesday the stage was around 16.7 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 6:00 AM PST Wednesday was 17.0 feet.
  - Forecast...The river is expected to fall to just below flood
    stage tonight and Thursday morning around 16.5 feet at
    Potlatch before rising again Thursday afternoon and night.
  - Flood stage is 16.5 feet.
  - Flood History...This crest compares to a previous crest of
    16.8 feet on 11/23/1990.
  - http://www.weather.gov/safety/flood

&&

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


$$

19

245 
WGUS86 KSEW 110435
FLSSEW

Flood Statement
National Weather Service Seattle WA
835 PM PST Wed Nov 10 2021

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

  Skokomish River At Potlatch affecting Mason County.

.A break in the rain Wednesday allowed the Skokomish River at 
Potlatch to recede below flood stage. Heavy rain over the south 
slopes of the Olympics will push the river back over flood stage 
beginning late Thursday. A flood watch for the next flooding event 
on the Skokomish has already been issued.

WAC045-110545-
/O.CAN.KSEW.FL.W.0050.000000T0000Z-211111T0435Z/
/SRPW1.1.ER.211109T1256Z.211112T1200Z.000000T0000Z.NO/
835 PM PST Wed Nov 10 2021

...FLOOD WARNING IS CANCELLED THIS EVENING...

The Flood Warning is cancelled for
  the Skokomish River At Potlatch.

* ADDITIONAL DETAILS...
  - At 8:00 PM PST Wednesday the stage was 16.2 feet.
  - The river fell below flood stage around 4 pm Wednesday.
  - Forecast...The river is expected to recede to around 16.0
    feet overnight. The river will rise again late Thursday going
    above flood stage Thursday night. The river will crest around
    17.5 feet Friday morning into the afternoon hours.
  - http://www.weather.gov/safety/flood

&&

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


$$

44

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 9, 12:15 AM PST	Gale Warning	SEW		20 hr
Nov 9, 12:15 AM PST	Storm Warning	SEW		7 hr
Nov 9, 1:50 AM PST	High Wind Warning	SEW	San Juan	8 hr
Nov 9, 4:04 AM PST	Special Weather Statement	SEW	Clallam	26 min
Nov 9, 6:29 AM PST	Special Weather Statement	SEW	Island	46 min
Nov 9, 7:17 AM PST	Special Weather Statement	SEW	Skagit, Whatcom	28 min
Nov 9, 11:15 AM PST	Special Weather Statement	SEW	Grays Harbor	45 min
Nov 9, 11:23 AM PST	Special Marine Warning	SEW		52 min
Nov 9, 11:40 AM PST	Tornado Warning	SEW	Kitsap	35 min
Nov 9, 11:59 AM PST	Tornado Warning	SEW	Kitsap	17 min
Nov 9, 12:01 PM PST	Special Marine Warning	SEW		44 min
Nov 9, 12:24 PM PST	Special Weather Statement	SEW	Mason	51 min
Nov 9, 12:58 PM PST	Special Weather Statement	SEW	Clallam	32 min
Nov 9, 1:36 PM PST	Special Weather Statement	SEW	Kitsap	39 min
Nov 9, 1:52 PM PST	Special Weather Statement	SEW	Grays Harbor	38 min
Nov 9, 2:00 PM PST	Severe Thunderstorm Warning	SEW	Grays Harbor, Mason	30 min
Nov 9, 2:14 PM PST	Special Weather Statement	SEW	Snohomish	46 min
Nov 9, 2:27 PM PST	Severe Thunderstorm Warning	SEW	Mason, Thurston	33 min
Nov 9, 2:38 PM PST	Special Weather Statement	SEW	Kitsap	37 min
Nov 9, 2:41 PM PST	Special Marine Warning	SEW		28 min
Nov 9, 2:50 PM PST	Special Weather Statement	SEW	Grays Harbor	25 min

Nearby

River Flood Warnings in Washington, 2021 Every 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.