Alert archive / Washington / River Flood Warnings in 2021

River Flood Warning 2, NWS Spokane, WA

November 14, 2021Chelan County, Washington

NWS Spokane, WA issued this river flood warning at Nov 14, 2021, 4:16 PM PST for Chelan County, Washington. It took effect at Nov 15, 2021, 3:34 AM PST. It was in force for 23 hr.

The area

The outline as issued.

The facts

Issued: Nov 14, 2021, 4:16 PM PST (00:16 UTC)
In effect from: Nov 15, 2021, 3:34 AM PST
Expired: Nov 16, 2021, 2:19 AM PST
In force: 23 hr
Issued by: NWS Spokane, WA
Area: Storm-based polygon
Flood severity: Minor

County Chelan County, WA

The radar

The Seattle radar (KATX), 127 km from the middle of the area, began a volume at 00:15 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 Stehekin River at Stehekin (STHW1). The gauge peaked at 26.75 ft at Nov 15, 2021, 3:00 AM PST.

Action stage: 19.5 ft
Minor stage: 20.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12451000, 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.

422 
WGUS46 KOTX 150016
FLWOTX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Spokane WA
416 PM PST Sun Nov 14 2021

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

  Stehekin River at Stehekin affecting Chelan County.

For the Stehekin River...including Stehekin...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov.

The next statement will be issued late tonight at 430 AM PST.

&&

WAC007-151230-
/O.NEW.KOTX.FL.W.0002.211115T1256Z-211117T0057Z/
/STHW1.1.ER.211115T1256Z.211116T0000Z.211116T1256Z.NO/
416 PM PST Sun Nov 14 2021

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

* WHAT...Minor flooding is forecast.

* WHERE...Stehekin River at Stehekin.

* WHEN...From late tonight to Tuesday afternoon.

* IMPACTS...At 24.0 feet, The River may be out of its banks in spots 
  and onto the Stehekin Valley Road and Company Creek Road.

* ADDITIONAL DETAILS...
  - At 3:30 PM PST Sunday the stage was 23.2 feet.
  - Forecast...The river is expected to rise above flood stage
    late tonight to a crest of 24.6 feet tomorrow afternoon. It
    will then fall below flood stage early Tuesday morning.
  - Flood stage is 24.0 feet.
  - Flood History...This crest compares to a previous crest of
    24.6 feet on 05/06/1966.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4849 12076 4832 12057 4825 12067 4831 12101
      4848 12103


$$

GKOCH

4 follow-up statements

197 
WGUS86 KOTX 151134
FLSOTX

Flood Statement
National Weather Service Spokane WA
334 AM PST Mon Nov 15 2021

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

  Stehekin River at Stehekin affecting Chelan County.

For the Stehekin River...including Stehekin...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov.

The next statement will be issued this afternoon at 545 PM PST.

&&

WAC007-160145-
/O.EXT.KOTX.FL.W.0002.211115T1134Z-211117T0447Z/
/STHW1.1.ER.211115T0238Z.211115T1030Z.211116T1647Z.NO/
334 AM PST Mon Nov 15 2021

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

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

* WHERE...Stehekin River at Stehekin.

* WHEN...From early this morning to tomorrow evening.

* IMPACTS...At 24.0 feet, The River may be out of its banks in spots 
  and onto the Stehekin Valley Road and Company Creek Road.

* ADDITIONAL DETAILS...
  - At 2:30 AM PST Monday the stage was 26.8 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 2:30 AM PST Monday was 26.8 feet.
  - Forecast...The river is expected to crest just shy of 27 feet
    this morning and then fall below flood stage of 24 feet
    tomorrow morning and continue falling to below action stage
    of 22 feet Wednesday Morning.
  - Flood stage is 24.0 feet.
  - Flood History...This crest compares to a previous crest of
    26.7 feet on 06/11/1955.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4849 12076 4832 12057 4825 12067 4831 12101
      4848 12103


$$

RP

117 
WGUS86 KOTX 151702
FLSOTX

Flood Statement
National Weather Service Spokane WA
902 AM PST Mon Nov 15 2021

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

  Stehekin River at Stehekin affecting Chelan County.

For the Stehekin River...including Stehekin...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov.

The next statement will be issued this evening at 915 PM PST.

&&

WAC007-160515-
/O.EXT.KOTX.FL.W.0002.000000T0000Z-211117T0533Z/
/STHW1.1.ER.211115T0238Z.211115T1115Z.211116T1733Z.NO/
902 AM PST Mon Nov 15 2021

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

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

* WHERE...Stehekin River at Stehekin.

* WHEN...Until late tomorrow evening.

* IMPACTS...At 24.0 feet, The River may be out of its banks in spots 
  and onto the Stehekin Valley Road and Company Creek Road.

* ADDITIONAL DETAILS...
  - At 8:30 AM PST Monday the stage was 25.9 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 8:30 AM PST Monday was 26.8 feet.
  - Forecast...The river is expected to fall below flood stage
    late tomorrow morning and continue falling to 20.3 feet early
    Monday morning.
  - Flood stage is 24.0 feet.
  - Flood History...This crest compares to a previous crest of
    25.9 feet on 11/20/1962.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4849 12076 4832 12057 4825 12067 4831 12101
      4848 12103


$$

GKOCH

210 
WGUS86 KOTX 160441 RRA
FLSOTX

Flood Statement
National Weather Service Spokane WA
841 PM PST Mon Nov 15 2021

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

  Stehekin River at Stehekin affecting Chelan County.

For the Stehekin River...including Stehekin...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov.

The next statement will be issued on Tuesday.Tuesday morning at 845 
AM PST.

&&

WAC007-161645-
/O.EXT.KOTX.FL.W.0002.000000T0000Z-211117T0232Z/
/STHW1.1.ER.211115T0238Z.211115T1115Z.211116T1432Z.NO/
841 PM PST Mon Nov 15 2021

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

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

* WHERE...Stehekin River at Stehekin.

* WHEN...Until tomorrow evening.

* IMPACTS...At 24.0 feet, The River may be out of its banks in spots 
  and onto the Stehekin Valley Road and Company Creek Road.

* ADDITIONAL DETAILS...
  - At 7:30 PM PST Monday the stage was 25.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 7:30 PM PST Monday was 26.8 feet.
  - Forecast...The river is expected to fall below flood stage
    tomorrow morning and continue falling to 20.2 feet Monday
    afternoon.
  - Flood stage is 24.0 feet.
  - Flood History...This crest compares to a previous crest of
    24.9 feet on 06/16/2002.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4849 12076 4832 12057 4825 12067 4831 12101
      4848 12103


$$

SB

287 
WGUS86 KOTX 161019
FLSOTX

Flood Statement
National Weather Service Spokane WA
219 AM PST Tue Nov 16 2021

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

  Stehekin River at Stehekin affecting Chelan County.

WAC007-161130-
/O.CAN.KOTX.FL.W.0002.000000T0000Z-211116T1019Z/
/STHW1.1.ER.211115T0238Z.211115T1115Z.211116T1432Z.NO/
219 AM PST Tue Nov 16 2021

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Stehekin River at Stehekin.

* ADDITIONAL DETAILS...
  - At 2:00 AM PST Tuesday the stage was 23.6 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 7:30 PM PST Monday was 26.8 feet.
  - Forecast...The river is forecast to continue falling,
    dropping below 22 feet Tuesday evening.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4849 12076 4832 12057 4825 12067 4831 12101
      4848 12103


$$

JW

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 14, 9:16 PM PST	High Wind Warning	OTX	Adams, Asotin, Douglas, Garfield, Grant, Lincoln and 3 more	25 hr
Nov 14, 9:16 PM PST	Wind Advisory	OTX	Adams, Asotin, Chelan, Douglas, Ferry, Garfield and 7 more	27 hr
Nov 15, 3:15 AM PST	Winter Weather Advisory	OTX	Chelan	31 hr
Nov 15, 9:00 AM PST	River Flood Warning	OTX	Okanogan	12 hr
Nov 15, 9:01 AM PST	River Flood Watch	OTX	Okanogan	44 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.