Alert archive / Washington / River Flood Warnings in 2021
River Flood Warning 30, NWS Seattle, WA
NWS Seattle, WA issued this river flood warning at Feb 22, 2021, 3:05 PM PST for Lewis County, Washington. It took effect at Feb 22, 2021, 8:29 PM PST. It was in force for 15 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 22, 2021, 3:05 PM PST (23:05 UTC)
- In effect from
- Feb 22, 2021, 8:29 PM PST
- Expired
- Feb 23, 2021, 11:57 AM PST
- In force
- 15 hr
- Issued by
- NWS Seattle, WA
- Area
- Storm-based polygon
- Flood severity
- Minor
County Lewis County, WA
The radar
The Portland,OR radar (KRTX), 104 km from the middle of the area, began a volume at 23:09 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 Newaukum River near Chehalis (NEWW1). The gauge peaked at 203.36 ft at Feb 23, 2021, 1:00 AM PST.
- Action stage
- 200.5 ft
- Minor stage
- 202.5 ft
- Moderate stage
- 204.5 ft
- Major stage
- 205.5 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 12025000, 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.
586
WGUS46 KSEW 222305
FLWSEW
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Seattle WA
305 PM PST Mon Feb 22 2021
...The National Weather Service in Seattle WA has issued a Flood
Warning for the following rivers in Washington...
Newaukum River Near Chehalis affecting Lewis County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 1245 AM PST.
&&
WAC041-230845-
/O.NEW.KSEW.FL.W.0030.210223T0600Z-210223T1856Z/
/NEWW1.1.ER.210223T0700Z.210223T1200Z.210223T1700Z.NO/
305 PM PST Mon Feb 22 2021
The National Weather Service in Seattle has issued a
* Flood Warning for
the Newaukum River Near Chehalis.
* From this evening to Tuesday morning.
* At 1:45 PM PST Monday the stage was 199.9 feet.
* Flood stage is 202.5 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
this evening to a crest of 203.1 feet late tonight. It will then
fall below flood stage late tomorrow morning. Nearby gauges on the
forks of the river have come in higher than forecast, which may
mean that the Newaukum River near Chehalis could crest slightly
higher than forecast. Updates will be provided.
* Impact...At 202.5 feet, flood waters will inundate many roads and
residential and commercial areas along the Newaukum River and its
forks. Flooding in some areas may be deep and hazardous
especially near rivers. Impacted roadways and surrounding areas
include Jackson Hwy. and Tune...Rush...Sommerville...Griel...
Hamilton...Tauscher...Guerrier...Kirkland...Macomber...Rice...
Senn...Lucas Creek...Middle Fork and North Fork Roads. A stage of
10.5 on the Newaukum roughly corresponds to Phase 2 flood in the
Lewis County flood system.
&&
LAT...LON 4657 12248 4652 12289 4662 12305 4675 12295
4668 12286 4676 12264
$$
214 follow-up statements
279
WGUS86 KSEW 230048
FLSSEW
Flood Statement
National Weather Service Seattle WA
448 PM PST Mon Feb 22 2021
...The Flood Warning continues for the following rivers in
Washington...
Newaukum River Near Chehalis affecting Lewis County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at www.weather.gov.
The next statement will be issued by late tonight at 100 AM PST.
&&
WAC041-230915-
/O.CON.KSEW.FL.W.0030.210223T0600Z-210223T1856Z/
/NEWW1.1.ER.210223T0700Z.210223T1200Z.210223T1800Z.NO/
448 PM PST Mon Feb 22 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Newaukum River Near Chehalis.
* From this evening to Tuesday morning.
* At 3:45 PM PST Monday the stage was 200.81 feet.
* Flood stage is 202.5 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
this evening to a crest of 203.1 feet late tonight. Depending on
additional precipitation and the rate of the rise on the river,
the crest could become closer to 204 feet. The forecast will be
monitored and updated as necessary. It will then fall below flood
stage late tomorrow morning.
* Impact...At 202.5 feet, flood waters will inundate many roads and
residential and commercial areas along the Newaukum River and its
forks. Flooding in some areas may be deep and hazardous
especially near rivers. Impacted roadways and surrounding areas
include Jackson Hwy. and Tune...Rush...Sommerville...Griel...
Hamilton...Tauscher...Guerrier...Kirkland...Macomber...Rice...
Senn...Lucas Creek...Middle Fork and North Fork Roads. A stage of
10.5 on the Newaukum roughly corresponds to Phase 2 flood in the
Lewis County flood system.
&&
LAT...LON 4657 12248 4652 12289 4662 12305 4675 12295
4668 12286 4676 12264
$$
21748
WGUS86 KSEW 230429
FLSSEW
Flood Statement
National Weather Service Seattle WA
829 PM PST Mon Feb 22 2021
...The Flood Warning is extended for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
Snoqualmie River Near Carnation affecting King County.
Newaukum River Near Chehalis affecting Lewis County.
...The Flood Warning continues for the following rivers in
Washington...
South Prairie Creek at South Prairie affecting Pierce County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
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.
Additional information is available at www.weather.gov.
The next statement will be issued by Tuesday morning at 630 AM PST.
&&
WAC041-231430-
/O.EXT.KSEW.FL.W.0030.210223T0429Z-210224T0316Z/
/NEWW1.1.ER.210223T0350Z.210223T1200Z.210223T1816Z.NO/
829 PM PST Mon Feb 22 2021
...The Flood Warning is now in effect until tomorrow evening...
The Flood Warning continues for
the Newaukum River Near Chehalis.
* From this evening to Tuesday evening.
* At 7:45 PM PST Monday the stage was 202.5 feet.
* Flood stage is 202.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 204.3 feet
late tonight. It will then fall below flood stage Tuesday morning.
* Impact...At 202.5 feet, flood waters will inundate many roads and
residential and commercial areas along the Newaukum River and its
forks. Flooding in some areas may be deep and hazardous
especially near rivers. Impacted roadways and surrounding areas
include Jackson Hwy. and Tune, Rush, Sommerville, Griel, Hamilton,
Tauscher, Guerrier, Kirkland, Macomber, Rice, Senn, Lucas Creek,
Middle Fork, and North Fork Roads. A stage of 10.5 on the
Newaukum roughly corresponds to Phase 2 flood in the Lewis County
flood system.
&&
LAT...LON 4657 12248 4652 12289 4662 12305 4675 12295
4668 12286 4676 12264
$$
WAC045-231430-
/O.EXT.KSEW.FL.W.0027.000000T0000Z-210223T2156Z/
/SRPW1.1.ER.210222T1453Z.210223T0345Z.210223T1256Z.NO/
829 PM PST Mon Feb 22 2021
...The Flood Warning is now in effect until early tomorrow
afternoon...
The Flood Warning continues for
the Skokomish River At Potlatch.
* Until Tuesday afternoon.
* At 8:00 PM PST Monday the stage was 16.7 feet.
* Flood stage is 16.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 8:00 PM PST Monday was 16.7 feet.
* Forecast...The river is expected to fall below flood stage late
tonight and continue falling to 15.5 feet early Wednesday morning.
* Impact...At 16.5 feet, the Skokomish River will cause widespread
flooding of pasture lands, with water flowing quickly over West
Bourgault Road and Skokomish Valley Road.
&&
LAT...LON 4744 12326 4733 12321 4736 12317 4733 12308
4721 12321 4738 12340
$$
WAC053-231430-
/O.EXT.KSEW.FL.W.0031.210223T0543Z-210223T1513Z/
/SPEW1.1.ER.210223T0543Z.210223T0600Z.210223T0613Z.NO/
829 PM PST Mon Feb 22 2021
...The Flood Warning is now in effect until tomorrow morning...
The Flood Warning continues for
the South Prairie Creek at South Prairie.
* Until Tuesday morning.
* At 6:45 PM PST Monday the flow was 3650.0 cfs.
* Flood flow is 4000.0 cfs.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
this evening to a crest of 4032.2 cfs late this evening, then fall
below flood stage late tonight.
* Impact...At 4000.0 cfs, South Prairie Creek will flood low lying
areas and roads from the Town of South Prairie downstream to the
Carbon River near Orting.
&&
LAT...LON 4708 12205 4707 12207 4706 12208 4706 12210
4708 12209 4709 12205
$$
WAC033-231430-
/O.EXT.KSEW.FL.W.0029.210223T0746Z-210224T0751Z/
/CRNW1.1.ER.210223T0746Z.210223T1200Z.210223T1951Z.NO/
829 PM PST Mon Feb 22 2021
...The Flood Warning is now in effect until late tomorrow evening...
The Flood Warning continues for
the Snoqualmie River Near Carnation.
* From this evening to Tuesday evening.
* At 7:15 PM PST Monday the stage was 52.1 feet.
* Flood stage is 54.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
tonight to a crest of 55.0 feet. It will then fall below flood
stage early Tuesday.
* Impact...At 54.0 feet, the Snoqualmie River will flood much of the
farm land and several roads from Fall City downstream through
Carnation and Duvall.
&&
LAT...LON 4756 12196 4770 12204 4784 12202 4783 12194
4771 12193 4761 12188
$$
Cullen635
WGUS86 KSEW 231416
FLSSEW
Flood Statement
National Weather Service Seattle WA
616 AM PST Tue Feb 23 2021
...The Flood Warning continues for the following rivers in
Washington...
Newaukum River Near Chehalis affecting Lewis County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 215 PM PST.
&&
WAC041-232230-
/O.EXT.KSEW.FL.W.0030.000000T0000Z-210223T2246Z/
/NEWW1.1.ER.210223T0350Z.210223T0930Z.210223T1346Z.NO/
616 AM PST Tue Feb 23 2021
...The Flood Warning is now in effect until this afternoon...
The Flood Warning continues for
the Newaukum River Near Chehalis.
* Until this afternoon.
* At 5:45 AM PST Tuesday the stage was 202.5 feet.
* Flood stage is 202.5 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending
at 5:45 AM PST Tuesday was 203.4 feet.
* Forecast...The river is expected to fall below flood stage later
this morning, falling to 196.8 feet early Friday morning.
* Impact...At 202.5 feet, flood waters will inundate many roads and
residential and commercial areas along the Newaukum River and its
forks. Flooding in some areas may be deep and hazardous
especially near rivers. Impacted roadways and surrounding areas
include Jackson Hwy. and Tune...Rush...Sommerville...Griel...
Hamilton...Tauscher...Guerrier...Kirkland...Macomber...Rice...
Senn...Lucas Creek...Middle Fork and North Fork Roads. A stage of
10.5 on the Newaukum roughly corresponds to Phase 2 flood in the
Lewis County flood system.
&&
LAT...LON 4657 12248 4652 12289 4662 12305 4675 12295
4668 12286 4676 12264
$$
Pullin637
WGUS86 KSEW 231957
FLSSEW
Flood Statement
National Weather Service Seattle WA
1157 AM PST Tue Feb 23 2021
...The Flood Warning continues for the following rivers in
Washington...
Skookumchuck River Near Bucoda affecting Thurston County.
...The Flood Warning is cancelled for the following rivers in
Washington...
Newaukum River Near Chehalis affecting Lewis County.
WAC041-232100-
/O.CAN.KSEW.FL.W.0030.000000T0000Z-210223T1957Z/
/NEWW1.1.ER.210223T0350Z.210223T0930Z.210223T1346Z.NO/
1157 AM PST Tue Feb 23 2021
...The Flood Warning for the Newaukum River Near Chehalis has been
cancelled...
The Flood Warning is cancelled for
the Newaukum River Near Chehalis.
* At 10:45 AM PST Tuesday the stage was 201.0 feet.
* Forecast...The river is expected to fall to 197.0 feet late Friday
morning.
&&
LAT...LON 4657 12248 4652 12289 4662 12305 4675 12295
4668 12286 4676 12264
$$
WAC067-240230-
/O.EXT.KSEW.FL.W.0032.000000T0000Z-210224T0216Z/
/BCDW1.1.ER.210223T0942Z.210223T1430Z.210223T2016Z.NO/
1157 AM PST Tue Feb 23 2021
...The Flood Warning is now in effect until this evening...
The Flood Warning continues for
the Skookumchuck River Near Bucoda.
* Until this evening.
* At 10:45 AM PST Tuesday the stage was 211.7 feet.
* Flood stage is 211.5 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending
at 10:45 AM PST Tuesday was 212.0 feet.
* Forecast...The river is expected to fall below flood stage this
afternoon and continue falling to 206.3 feet late Friday morning.
* Impact...At 211.5 feet, the Skookumchuck River in Thurston County
will flood a few roads and low pasture lands near Bucoda.
&&
LAT...LON 4677 12251 4676 12274 4672 12286 4681 12293
4688 12278 4692 12260
$$
16The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 8:57 PM PST | Wind Advisory | SEW | 5 hr | |
| Feb 22, 12:23 AM PST | River Flood Warning | SEW | Mason | 33 hr |
| Feb 22, 2:28 AM PST | Gale Warning | SEW | 44 hr | |
| Feb 22, 2:28 AM PST | Small Craft Advisory | SEW | 44 hr | |
| Feb 22, 4:13 AM PST | Winter Weather Advisory | SEW | 36 hr | |
| Feb 22, 8:57 AM PST | Flood Watch | SEW | King, Lewis, Thurston | 17 hr |
| Feb 22, 11:45 AM PST | River Flood Warning | SEW | King | 7 hr |
| Feb 22, 1:54 PM PST | River Flood Warning | SEW | King | 10 hr |
| Feb 22, 2:56 PM PST | Wind Advisory | SEW | 11 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.