Alert archive / Washington / River Flood Warnings in 2015

River Flood Warning 29, NWS Seattle, WA

October 30, 2015King County, Washington

NWS Seattle, WA issued this river flood warning at Oct 30, 2015, 6:28 PM PDT for King County, Washington. It took effect at Oct 30, 2015, 7:29 PM PDT. It was in force for 34 hr.

The area

The counties it named.

The facts

Issued: Oct 30, 2015, 6:28 PM PDT (01:28 UTC)
In effect from: Oct 30, 2015, 7:29 PM PDT
Expired: Nov 1, 2015, 4:45 AM PST
In force: 34 hr
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Flood severity: Moderate

County King County, WA

The radar

The Seattle radar (KATX), 92 km from the middle of the area, began a volume at 01:29 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 Tolt River near Carnation (TOLW1). The gauge peaked at 9.49 ft at Oct 30, 2015, 7:00 PM PDT.

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12148500, 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 Oct 30, 3:40 PM PDT, 2 hours 48 minutes earlier.

Area forecast discussion, Oct 30, 3:40 PM PDT, 2 hours 48 minutes before

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In the hours before

Local storm report, Oct 30, 2:24 PM PDT, 4 hours 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
224 PM PDT FRI OCT 30 2015

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

0205 PM     HEAVY RAIN       1 NNE SULTAN            47.87N 121.80W
10/30/2015  M1.23 INCH       SNOHOMISH          WA   TRAINED SPOTTER

            SPOTTER MEASURED 1.23 INCHES OF RAIN OVER 50 MINUTES
            ENDING AT 205 PM PDT.

&&

JSMITH

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 30, 10:05 PM PDT	River Flood Warning	SEW	Snohomish	38 hr
Oct 30, 10:05 PM PDT	River Flood Warning	SEW	King	38 hr
Oct 30, 10:05 PM PDT	River Flood Warning	SEW	King	63 hr
Oct 30, 10:05 PM PDT	Small Craft Advisory	SEW		16 hr
Oct 31, 6:44 AM PDT	River Flood Warning	SEW	Mason	55 hr
Oct 31, 8:05 AM PDT	High Surf Advisory	SEW		39 hr
Oct 31, 10:31 AM PDT	Small Craft Advisory	SEW		4 hr
Oct 31, 12:25 PM PDT	River Flood Warning	SEW	Snohomish	14 hr
Oct 31, 1:43 PM PDT	River Flood Warning	SEW	Pierce	14 hr
Oct 31, 1:43 PM PDT	River Flood Warning	SEW	Pierce	13 hr
Oct 31, 2:20 PM PDT	Areal Flood Warning	SEW	Snohomish	3 hr
Oct 31, 2:29 PM PDT	Areal Flood Advisory	SEW	Lewis, Thurston	3 hr
Oct 31, 2:42 PM PDT	Winter Storm Warning	SEW		37 hr
Oct 31, 2:58 PM PDT	River Flood Warning	SEW	Snohomish	17 hr
Oct 31, 3:26 PM PDT	River Flood Warning	SEW	Lewis	16 hr
Oct 31, 3:26 PM PDT	River Flood Warning	SEW	Lewis	31 hr
Oct 31, 3:28 PM PDT	River Flood Warning	SEW	Lewis, Pierce	11 hr
Oct 31, 4:41 PM PDT	River Flood Warning	SEW	Snohomish	26 hr
Oct 31, 4:41 PM PDT	River Flood Warning	SEW	Snohomish	39 hr

Nearby

River Flood Warnings in Washington, 2015 Every 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.