Alert archive / Washington / River Flood Warnings in 2022

River Flood Warning 2, NWS Seattle, WA

January 6, 2022Grays Harbor County, Thurston County, Washington

NWS Seattle, WA issued this river flood warning at Jan 6, 2022, 10:01 AM PST for Grays Harbor County, Thurston County, Washington. It took effect at Jan 6, 2022, 3:28 PM PST. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: Jan 6, 2022, 10:01 AM PST (18:01 UTC)
In effect from: Jan 6, 2022, 3:28 PM PST
Expired: Jan 10, 2022, 3:51 AM PST
In force: 4 days
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Flood severity: Major

Counties Grays Harbor County, WA, Thurston County, WA

The radar

The Langley Hill radar (KLGX), 59 km from the middle of the area, began a volume at 18:06 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 Grand Mound (CGMW1). The gauge peaked at 145.21 ft at Jan 8, 2022, 2:00 AM PST.

Action stage: 138.5 ft
Minor stage: 141 ft
Moderate stage: 142.5 ft
Major stage: 144 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12027500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Seattle, WA wrote its last area forecast discussion before this river flood warning went out at Jan 6, 3:49 AM PST, 6 hours 12 minutes earlier.

Area forecast discussion, Jan 6, 3:49 AM PST, 6 hours 12 minutes before

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In the hours before

Local storm report, Jan 6, 8:51 AM PST, 1 hour 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
851 AM PST THU JAN 6 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0850 AM     SNOW             SUDDEN VALLEY           48.72N 122.35W
01/06/2022  M5.8 INCH        WHATCOM            WA   TRAINED SPOTTER

            TOTAL OVER THE PAST 10 HOURS.

&&

27

Local storm report, Jan 6, 9:48 AM PST, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
948 AM PST THU JAN 6 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0947 AM     HEAVY RAIN       2 NNE LA CONNER         46.93N 123.00W
01/06/2022  M2.95 INCH       Thurston           WA   TRAINED SPOTTER

            24 HOUR TOTAL

&&

27

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 6, 3:34 AM PST	Gale Watch	SEW		12 hr
Jan 6, 3:34 AM PST	Small Craft Advisory	SEW		47 hr
Jan 6, 3:34 AM PST	Storm Watch	SEW		12 hr
Jan 6, 6:15 AM PST	River Flood Warning	SEW	Lewis	52 hr
Jan 6, 8:53 AM PST	Gale Warning	SEW		34 hr
Jan 6, 10:01 AM PST	River Flood Warning	SEW	Lewis	32 hr
Jan 6, 10:01 AM PST	River Flood Warning	SEW	Lewis	3 days
Jan 6, 10:01 AM PST	River Flood Warning	SEW	Grays Harbor	5 days
Jan 6, 10:14 AM PST	River Flood Warning	SEW	Thurston	61 hr
Jan 6, 10:14 AM PST	River Flood Warning	SEW	Lewis	50 hr
Jan 6, 11:33 AM PST	River Flood Warning	SEW	Pierce	17 hr
Jan 6, 11:33 AM PST	River Flood Warning	SEW	King	37 hr
Jan 6, 11:41 AM PST	River Flood Warning	SEW	Mason	62 hr
Jan 6, 1:02 PM PST	River Flood Warning	SEW	Thurston	30 hr
Jan 6, 1:42 PM PST	River Flood Warning	SEW	Pierce	23 hr
Jan 6, 1:50 PM PST	Wind Advisory	SEW	San Juan	27 hr
Jan 6, 1:56 PM PST	Coastal Flood Advisory	SEW	San Juan	25 hr
Jan 6, 3:25 PM PST	Areal Flood Advisory	SEW	Clallam, Grays Harbor, Island, Jefferson, Kitsap, Lewis and 2 more	21 hr
Jan 6, 3:25 PM PST	Areal Flood Advisory	SEW	King, Kitsap, Pierce, Snohomish	23 hr

Nearby

River Flood Warnings in Washington, 2022 Every river flood warning in 2022

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.