Alert archive / Washington / River Flood Warnings in 2015

River Flood Warning 88, NWS Seattle, WA

November 17, 2015Snohomish County, Washington

NWS Seattle, WA issued this river flood warning at Nov 17, 2015, 6:18 PM PST for Snohomish County, Washington. It took effect at Nov 17, 2015, 6:26 PM PST. It was in force for 49 hr.

The area

The counties it named.

The facts

Issued
Nov 17, 2015, 6:18 PM PST (02:18 UTC)
In effect from
Nov 17, 2015, 6:26 PM PST
Expired
Nov 19, 2015, 7:38 PM PST
In force
49 hr
Issued by
NWS Seattle, WA
Area
Storm-based polygon
Flood severity
Major

County Snohomish County, WA

The radar

The Seattle radar (KATX), 60 km from the middle of the area, began a volume at 02:19 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 Snohomish River at Snohomish (SNAW1).

Action stage
20 ft
Minor stage
25 ft
Moderate stage
27 ft
Major stage
29 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12155500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 17, 4:26 PM PSTRiver Flood WarningSEWPierce15 hr
Nov 17, 4:26 PM PSTRiver Flood WarningSEWPierce15 hr
Nov 17, 4:26 PM PSTRiver Flood WarningSEWLewis16 hr
Nov 17, 4:26 PM PSTRiver Flood WarningSEWLewis16 hr
Nov 17, 4:55 PM PSTRiver Flood WarningSEWClallam16 hr
Nov 17, 4:55 PM PSTRiver Flood WarningSEWGrays Harbor24 hr
Nov 17, 5:49 PM PSTRiver Flood WarningSEWSkagit42 hr
Nov 17, 6:00 PM PSTAreal Flood WarningSEWKing9 hr
Nov 17, 6:18 PM PSTRiver Flood WarningSEWSnohomish42 hr
Nov 17, 6:27 PM PSTAreal Flood WarningSEWLewis9 hr
Nov 17, 6:38 PM PSTAreal Flood WarningSEWSnohomish12 hr
Nov 17, 6:51 PM PSTRiver Flood WarningSEWKing12 hr
Nov 17, 6:56 PM PSTRiver Flood WarningSEWThurston13 hr
Nov 17, 7:14 PM PSTRiver Flood WarningSEWThurston24 hr
Nov 17, 7:14 PM PSTRiver Flood WarningSEWLewis43 hr
Nov 17, 7:14 PM PSTRiver Flood WarningSEWThurston62 hr
Nov 17, 8:57 PM PSTSmall Craft AdvisorySEW13 hr
Nov 17, 8:57 PM PSTSmall Craft Advisory for Hazardous SeasSEW25 hr
Nov 17, 11:51 PM PSTGale WarningSEW4 hr
Nov 17, 11:51 PM PSTSmall Craft AdvisorySEW10 hr
Nov 18, 3:01 AM PSTAreal Flood WarningSEWKing9 hr
Nov 18, 6:10 AM PSTAreal Flood WarningSEWSnohomish12 hr
Nov 18, 10:10 AM PSTRiver Flood WarningSEWKing18 hr

Nearby

River Flood Warnings in Washington, 2015Every river flood warning in 2015

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.