Alert archive / Washington / River Flood Warnings in 2021

River Flood Warning 95, NWS Seattle, WA

November 28, 2021Skagit County, Washington

NWS Seattle, WA issued this river flood warning at Nov 28, 2021, 3:27 PM PST for Skagit County, Washington. It was in force for 23 hr.

The area

The outline as issued.

The facts

Issued: Nov 28, 2021, 3:27 PM PST (23:27 UTC)
Expired: Nov 29, 2021, 2:19 PM PST
In force: 23 hr
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Flood severity: Minor

County Skagit County, WA

The radar

The Seattle radar (KATX), 39 km from the middle of the area, began a volume at 23:28 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 Samish River near Burlington (SMRW1). The gauge peaked at 11.83 ft at Nov 28, 2021, 8:00 PM PST.

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12201500, 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.

330 
WGUS46 KSEW 282327
FLWSEW

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Seattle WA
327 PM PST Sun Nov 28 2021

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

  Samish River At Burlington affecting Skagit County.

.The last push of heavy rain today has been enough that it will 
drive the Samish River over flood stage this evening.

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 evening at 1130 PM PST.

&&


WAC057-290730-
/O.NEW.KSEW.FL.W.0095.211128T2327Z-211129T1318Z/
/SMRW1.1.ER.211128T2326Z.211129T0000Z.211129T0417Z.NO/
327 PM PST Sun Nov 28 2021

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

* WHAT...Minor flooding is forecast.

* WHERE...Samish River At Burlington.

* WHEN...Until late tonight.

* IMPACTS...At 3000.0 cfs, the Samish River will spill over its 
  banks causing flood waters over Sam Bell Rd., Farm To Market Rd., 
  and Allen Rd. near the town of Allen. Some residences, businesses, 
  and low-lying farm land along the river will also be flooded.

* ADDITIONAL DETAILS...
  - At 2:15 PM PST Sunday the flow was 2760.0 cfs.
  - Forecast...The river is expected to rise above flood stage
    late this afternoon to a crest of 3110 cfs late this
    afternoon. It will then fall below flood stage this evening.
  - Flood flow is 3000.0 cfs.
  - Flood History...This crest compares to a previous crest of
    3110.0 cfs on 11/28/1996.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4851 12233 4850 12241 4856 12248 4858 12244
      4853 12238 4856 12234


$$

JBB

4 follow-up statements

580 
WGUS86 KSEW 290708
FLSSEW

Flood Statement
National Weather Service Seattle WA
1108 PM PST Sun Nov 28 2021

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

  Samish River At Burlington affecting Skagit County.

.The last push of heavy rain earlier today was enough to elevate  
Samish River over flood stage this evening.

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 late tonight at 530 AM PST.

&&


WAC057-291330-
/O.CON.KSEW.FL.W.0095.000000T0000Z-211129T1318Z/
/SMRW1.1.ER.211128T2326Z.211129T0000Z.211129T0417Z.NO/
1108 PM PST Sun Nov 28 2021

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

* WHAT...Minor flooding is forecast.

* WHERE...Samish River At Burlington.

* WHEN...Until late tonight.

* IMPACTS...At 3000.0 cfs, the Samish River will spill over its 
  banks causing flood waters over Sam Bell Rd., Farm To Market Rd., 
  and Allen Rd. near the town of Allen. Some residences, businesses, 
  and low-lying farm land along the river will also be flooded.

* ADDITIONAL DETAILS...
  - At 2:15 PM PST Sunday the flow was 2760.0 cfs.
  - Forecast...The river is expected to fall below flood stage
    this evening.
  - Flood flow is 3000.0 cfs.
  - Flood History...This crest compares to a previous crest of
    3110.0 cfs on 11/28/1996.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4851 12233 4850 12241 4856 12248 4858 12244
      4853 12238 4856 12234


$$

45

997 
WGUS86 KSEW 291250
FLSSEW

Flood Statement
National Weather Service Seattle WA
450 AM PST Mon Nov 29 2021

...Minor flooding for the following rivers in Washington...

  Samish River At Burlington affecting Skagit County.

.Rain has turned into showers over the Northern Cascades. The river 
has crested, but still remains above flood stage.

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 afternoon at 1200 PM PST.

&&


WAC057-292000-
/O.EXT.KSEW.FL.W.0095.000000T0000Z-211129T2205Z/
/SMRW1.1.ER.211128T2326Z.211129T0530Z.211129T1305Z.NO/
450 AM PST Mon Nov 29 2021

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

* WHAT...Minor flooding is occurring.

* WHERE...Samish River At Burlington.

* WHEN...Until this afternoon.

* IMPACTS...At 3000.0 cfs, the Samish River will spill over its 
  banks causing flood waters over Sam Bell Rd., Farm To Market Rd., 
  and Allen Rd. near the town of Allen. Some residences, businesses, 
  and low-lying farm land along the river will also be flooded.

* ADDITIONAL DETAILS...
  - At 4:15 AM PST Monday the flow was 3070.0 cfs.
  - Recent Activity...The maximum river flow in the 24 hours
    ending at 4:15 AM PST Monday was 3360.0 cfs.
  - Forecast...The river is expected to fall below flood stage
    this morning.
  - Flood flow is 3000.0 cfs.
  - Flood History...This crest compares to a previous crest of
    3070.0 cfs on 10/22/2019.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4851 12233 4850 12241 4856 12248 4858 12244
      4853 12238 4856 12234


$$

45

424 
WGUS86 KSEW 291823
FLSSEW

Flood Statement
National Weather Service Seattle WA
1023 AM PST Mon Nov 29 2021

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

  Samish River At Burlington affecting Skagit County.

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

  Skagit River Near Mt. Vernon affecting Skagit County.

  Skagit River Near Concrete affecting Skagit County.

.Clouds and a few showers today will allow the rivers to 
crest and recede today.Flooding will continue until the flood waters 
have drained out of the area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Caution is urged when walking near riverbanks.

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 245 PM PST.

&&


WAC057-292245-
/O.EXT.KSEW.FL.W.0095.000000T0000Z-211129T2237Z/
/SMRW1.1.ER.211128T2326Z.211129T0530Z.211129T1337Z.NO/
1023 AM PST Mon Nov 29 2021

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

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

* WHERE...Samish River At Burlington.

* WHEN...Until this afternoon.

* ADDITIONAL DETAILS...
  - At 9:15 AM PST Monday the flow was 2760.0 cfs.
  - Forecast...The river has fallen below flood flow and will
    continue to fall. Flooding will continue until the flood wave
    has passed downstream.
  - Flood flow is 3000.0 cfs.
  - Flood History...No available flood history.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4851 12233 4850 12241 4856 12248 4858 12244
      4853 12238 4856 12234


$$

WAC057-300230-
/O.EXT.KSEW.FL.W.0094.000000T0000Z-211130T1809Z/
/MVEW1.1.ER.211129T0348Z.211130T0000Z.211130T0609Z.NO/
1023 AM PST Mon Nov 29 2021

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

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

* WHERE...Skagit River Near Mt. Vernon.

* WHEN...Until tomorrow morning.

* IMPACTS...At 28.0 feet, the Skagit River will cause minor flooding 
  from Sedro Woolley downstream through Mount Vernon to the mouth...
  with shallow flooding in low pasture lands and over a few 
  low-lying roads near the river. This level for this location on 
  the Skagit corresponds to a Phase 3 flood in the Skagit County 
  flood system.

* ADDITIONAL DETAILS...
  - At 9:45 AM PST Monday the stage was 29.3 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:45 AM PST Monday was 29.3 feet.
  - Forecast...The river will crest around 29.4 feet late this
    afternoon. It will then fall below flood stage late this
    evening. It will begin rising again early Wednesday morning
    but is forecast to remain below flood stage.
  - Flood stage is 28.0 feet.
  - Flood History...This crest compares to a previous crest of
    29.3 feet on 07/10/1997.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4846 12227 4840 12230 4830 12235 4837 12250
      4845 12240 4853 12227


$$

WAC057-300230-
/O.EXT.KSEW.FL.W.0092.000000T0000Z-211130T0304Z/
/CONW1.1.ER.211128T1647Z.211129T0815Z.211129T1504Z.NO/
1023 AM PST Mon Nov 29 2021

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

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

* WHERE...Skagit River Near Concrete.

* WHEN...Until this evening.

* ADDITIONAL DETAILS...
  - At 9:45 AM PST Monday the stage was 27.2 feet.
  - Forecast...The river has fallen below flood flow and will
    continue to fall. Flooding will continue until the flood wave
    has passed downstream.
  - Flood stage is 28.0 feet.
  - Flood History...This crest compares to a previous crest of
    27.0 feet on 01/10/2006.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4845 12163 4848 12185 4846 12227 4853 12227
      4856 12185 4850 12160


$$

JBB

939 
WGUS86 KSEW 292219
FLSSEW

Flood Statement
National Weather Service Seattle WA
219 PM PST Mon Nov 29 2021

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

  Samish River At Burlington affecting Skagit County.

.Clouds and a few showers today will allow the river to recede 
today. Flooding will continue until the flood waters have drained 
out of the area.

WAC057-292330-
/O.CAN.KSEW.FL.W.0095.000000T0000Z-211129T2219Z/
/SMRW1.1.ER.211128T2326Z.211129T0530Z.211129T1337Z.NO/
219 PM PST Mon Nov 29 2021

...FLOOD WARNING IS CANCELLED THIS AFTERNOON...

The Flood Warning is cancelled for
  the Samish River At Burlington.

* ADDITIONAL DETAILS...
  - At 1:15 PM PST Monday the flow was 2470.0 cfs.
  - Forecast...The river will continue to fall.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4851 12233 4850 12241 4856 12248 4858 12244
      4853 12238 4856 12234


$$

JBB

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 27, 7:18 PM PST	Areal Flood Advisory	SEW	San Juan, Skagit, Whatcom	25 hr
Nov 27, 7:22 PM PST	Areal Flood Advisory	SEW	Clallam, Grays Harbor, Jefferson	25 hr
Nov 27, 8:59 PM PST	River Flood Warning	SEW	Mason	52 hr
Nov 27, 11:59 PM PST	Wind Advisory	SEW		10 hr
Nov 28, 1:13 AM PST	River Flood Warning	SEW	Clallam	19 hr
Nov 28, 1:29 AM PST	River Flood Warning	SEW	Whatcom	24 hr
Nov 28, 1:29 AM PST	River Flood Warning	SEW	Whatcom	22 hr
Nov 28, 1:36 AM PST	River Flood Warning	SEW	Snohomish	11 hr
Nov 28, 1:40 AM PST	River Flood Warning	SEW	King	22 hr
Nov 28, 2:20 AM PST	Small Craft Advisory	SEW		12 hr
Nov 28, 4:20 AM PST	River Flood Warning	SEW	Skagit	47 hr
Nov 28, 8:58 AM PST	River Flood Warning	SEW	Whatcom	4 days
Nov 28, 8:58 AM PST	River Flood Warning	SEW	Skagit	51 hr
Nov 28, 2:51 PM PST	Areal Flood Warning	SEW	Whatcom	43 hr

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.