Alert archive / Washington / River Flood Warnings in 2021

River Flood Warning 3, NWS Seattle, WA

January 3, 2021Lewis County, Washington

NWS Seattle, WA issued this river flood warning at Jan 3, 2021, 12:42 AM PST for Lewis County, Washington. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jan 3, 2021, 12:42 AM PST (08:42 UTC)
Expired
Jan 3, 2021, 5:53 AM PST
In force
5 hr
Issued by
NWS Seattle, WA
Area
Storm-based polygon
Flood severity
Minor

County Lewis County, WA

The radar

The Langley Hill radar (KLGX), 89 km from the middle of the area, began a volume at 08:46 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 Chehalis River near Doty (DOTW1). The gauge peaked at 318.25 ft at Jan 3, 2021, 2:00 AM PST.

actionminormoderate31031532001/0301/04
Action stage
315.5 ft
Minor stage
318 ft
Moderate stage
323.5 ft
Major stage
324.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12020000, 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.

709 
WGUS46 KSEW 030842
FLWSEW

BULLETIN - EAS ACTIVATION REQUESTED
Flood Warning
National Weather Service Seattle WA
1242 AM PST Sun Jan 3 2021

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

  Chehalis River Above Doty affecting Lewis County.

.Heavy rainfall will cause minor flooding at the Chehalis River 
above Doty early this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Warning means that flooding is imminent or occurring. All 
interested parties should take necessary precautions immediately.

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 this morning at 845 AM PST.

&&


WAC041-031645-
/O.NEW.KSEW.FL.W.0003.210103T0842Z-210103T2343Z/
/DOTW1.1.ER.210103T0841Z.210103T1200Z.210103T1442Z.NO/
1242 AM PST Sun Jan 3 2021

The National Weather Service in Seattle has issued a

* Flood Warning for
  the Chehalis River Above Doty.
* From early this morning to this afternoon.
* At 11:30 PM PST Saturday the stage was 317.6 feet.
* Flood stage is 318.0 feet.
* Minor flooding is forecast.
* Forecast...The river will rise above flood stage early this 
  morning to 319.0 feet early this morning. It will then fall below 
  flood stage this morning to 312.9 feet and begin rising again late 
  tonight. It will rise to 314.8 feet tomorrow afternoon. It will 
  then fall again and remain below flood stage.
* Impact...At 318.0 feet, flood waters of the upper Chehalis and 
  South Fork Chehalis will inundate many roads and some residential 
  and commercial areas.  Impacted roadways and surrounding areas 
  include Curtis Hill...Lake Creek...Moon Hill...Wildwood Roads in 
  the Boisfort Valley and Labri Rd. and Front St. below Doty. A 
  stage of 13 feet on the Chehalis near Doty corresponds to just 
  below Phase 2 in the Lewis County flood system.


&&

LAT...LON 4654 12334 4667 12332 4667 12307 4657 12309
      4660 12323 4654 12323

$$

CC
1 follow-up statement
509 
WGUS86 KSEW 031353
FLSSEW

Flood Statement
National Weather Service Seattle WA
553 AM PST Sun Jan 3 2021

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

  Chehalis River Above Doty affecting Lewis County.

.The Chehalis River above Doty has crested and fallen below flood 
stage this morning.

WAC041-031500-
/O.CAN.KSEW.FL.W.0003.000000T0000Z-210103T1353Z/
/DOTW1.1.ER.700119T1507Z.700119T1507Z.700119T1507Z.NO/
553 AM PST Sun Jan 3 2021

...The Flood Warning for the Chehalis River Above Doty has been 
cancelled...

The Flood Warning is cancelled for
  the Chehalis River Above Doty.
* At 5:30 AM PST Sunday the stage was 316.9 feet.
* Forecast...The river is expected to fall to 310.5 feet early 
  Wednesday morning.


&&

LAT...LON 4654 12334 4667 12332 4667 12307 4657 12309
      4660 12323 4654 12323

$$

CC

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 2, 5:17 PM PSTRiver Flood WarningSEWClallam11 hr
Jan 2, 8:00 PM PSTRiver Flood WarningSEWGrays Harbor26 hr
Jan 2, 8:48 PM PSTAreal Flood WarningSEWGrays Harbor, Island, Jefferson, King, Kitsap, Mason and 3 more56 min
Jan 2, 9:40 PM PSTAreal Flood AdvisorySEWIsland, King, Kitsap, Mason, Pierce, Snohomish2 hr
Jan 2, 11:41 PM PSTAreal Flood AdvisorySEWKing, Lewis, Pierce, Snohomish, Thurston2 hr
Jan 3, 3:06 AM PSTGale WatchSEW11 hr
Jan 3, 3:06 AM PSTSmall Craft AdvisorySEW51 hr
Jan 3, 3:21 AM PSTRiver Flood WarningSEWLewis18 hr
Jan 3, 4:31 AM PSTRiver Flood WarningSEWThurston35 hr
Jan 3, 6:16 AM PSTRiver Flood WarningSEWGrays Harbor, Thurston4 days
Jan 3, 6:16 AM PSTRiver Flood WarningSEWGrays Harbor6 days
Jan 3, 6:18 AM PSTWinter Storm WatchSEW6 hr
Jan 3, 12:37 PM PSTWinter Storm WarningSEW37 hr
Jan 3, 2:20 PM PSTGale WarningSEW20 hr
Jan 3, 2:20 PM PSTSmall Craft AdvisorySEW9 days
Jan 3, 2:27 PM PSTWind AdvisorySEW14 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.