Alert archive / Washington / River Flood Warnings in 2010

River Flood Warning 45, NWS Seattle, WA

December 12, 2010King County, Washington

NWS Seattle, WA issued this river flood warning at Dec 12, 2010, 11:33 AM PST for King County, Washington. It took effect at Dec 12, 2010, 12:00 PM PST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Dec 12, 2010, 11:33 AM PST (19:33 UTC)
In effect from
Dec 12, 2010, 12:00 PM PST
Expired
Dec 12, 2010, 9:43 PM PST
In force
10 hr
Issued by
NWS Seattle, WA
Flood severity
Minor

County King County, WA

The radar

The Seattle radar (KATX), 92 km from the middle of the area, began a volume at 19:36 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 Issaquah Creek near Issaquah (ISSW1). The gauge peaked at 10.62 ft at Dec 12, 2010, 3:00 PM PST.

468101212/1212/1312/14

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12121600, 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 Dec 11, 2:55 PM PST, 20 hours 38 minutes earlier.

Area forecast discussion, Dec 11, 2:55 PM PST, 20 hours 38 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 12, 1:30 AM PSTAreal Flood AdvisorySEWClallam, Grays Harbor, Island, Jefferson, King, Kitsap and 7 more12 hr
Dec 12, 3:55 AM PSTRiver Flood WarningSEWClallam18 hr
Dec 12, 3:55 AM PSTRiver Flood WarningSEWClallam18 hr
Dec 12, 9:03 AM PSTAreal Flood WarningSEWClallam, Jefferson, King, Kitsap, Mason, Pierce and 1 more12 hr
Dec 12, 9:08 AM PSTGale WatchSEW30 hr
Dec 12, 9:08 AM PSTSmall Craft Advisory for Hazardous SeasSEW18 hr
Dec 12, 11:15 AM PSTRiver Flood WarningSEWClallam10 hr
Dec 12, 3:00 PM PSTSmall Craft AdvisorySEW6 hr
Dec 12, 3:14 PM PSTWinter Storm WatchSEW23 hr

Nearby

River Flood Warnings in Washington, 2010Every river flood warning in 2010

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.