Alert archive / Washington / River Flood Warnings in 2015

River Flood Warning 79, NWS Seattle, WA

November 17, 2015Whatcom County, Washington

NWS Seattle, WA issued this river flood warning at Nov 17, 2015, 3:40 PM PST for Whatcom County, Washington. It was in force for 26 hr.

The area

The counties it named.

The facts

Issued: Nov 17, 2015, 3:40 PM PST (23:40 UTC)
Expired: Nov 18, 2015, 5:37 PM PST
In force: 26 hr
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Flood severity: Moderate

County Whatcom County, WA

The radar

The Seattle radar (KATX), 84 km from the middle of the area, began a volume at 23:43 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 Nooksack River at North Cedarvillle (NRKW1). The gauge peaked at 148.53 ft at Nov 17, 2015, 8:00 PM PST.

Action stage: 144.8 ft
Minor stage: 146.5 ft
Moderate stage: 148 ft
Major stage: 150 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12210700, 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 Nov 17, 3:34 PM PST, 6 minutes earlier.

Area forecast discussion, Nov 17, 3:34 PM PST, 6 minutes before

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In the hours before

Special weather statement, Nov 17, 9:57 AM PST, 5 hours 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SEATTLE WA
957 AM PST TUE NOV 17 2015

WAZ001-503-506-510-180600-
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-
957 AM PST TUE NOV 17 2015

...HEIGHTENED WAVES MAY SPLASH OVER BULKHEADS THIS MORNING AND AFTERNOON...

INCREASED WAVE HEIGHTS ARE EXPECTED TO CONTINUE THIS MORNING AND
AFTERNOON AS STRONG AND GUSTY WINDS REMAIN OVER THE AREA. THESE
WIND DRIVEN WAVES...COUPLED WITH HIGH TIDE AND A TIDAL ANOMALY OF
NEARLY 1 FOOT...MAY SPILL OVER BULKHEADS AND SPLASH NEARBY HOMES.
WHILE THIS SPILLOVER CAN BE EXPECTED...WAVES WILL NOT BE HIGH
ENOUGH TO WARRANT ANY COASTAL FLOODING CONCERNS AT THIS TIME.

FOR MORE INFORMATION...VISIT WWW.NWS.NOAA.GOV/MDL/ETSURGE...SELECT
NORTHWEST UNDER THE REGIONS MENU...THEN SELECT THE STATION NEAREST
TO YOUR LOCATION.

WWW.WEATHER.GOV/SEATTLE

Local storm report, Nov 17, 11:39 AM PST, 4 hours 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1139 AM PST TUE NOV 17 2015

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

1138 AM     HIGH SUST WINDS  NW MOCLIPS              47.24N 124.22W
11/17/2015  M45 MPH          GRAYS HARBOR       WA   TRAINED SPOTTER

            45 MPH WITH GUSTS TO 53. ALSO 1.22 INCHES OF RAIN IN PAST
            24 HOURS.

&&

JNEHER

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 16, 4:05 PM PST	High Surf Advisory	SEW		32 hr
Nov 16, 5:42 PM PST	River Flood Warning	SEW	Mason	3 days
Nov 16, 6:21 PM PST	High Wind Warning	SEW	San Juan	28 hr
Nov 16, 6:21 PM PST	Wind Advisory	SEW	San Juan	24 hr
Nov 17, 4:15 AM PST	Wind Advisory	SEW	San Juan	4 hr
Nov 17, 4:22 AM PST	River Flood Warning	SEW	Snohomish	35 hr
Nov 17, 4:22 AM PST	River Flood Warning	SEW	Snohomish	37 hr
Nov 17, 4:22 AM PST	River Flood Warning	SEW	King	38 hr
Nov 17, 9:13 AM PST	River Flood Warning	SEW	Clallam	19 hr
Nov 17, 9:13 AM PST	River Flood Warning	SEW	King	51 hr
Nov 17, 11:20 AM PST	River Flood Warning	SEW	Snohomish	17 hr
Nov 17, 11:20 AM PST	River Flood Warning	SEW	Lewis	30 hr
Nov 17, 1:14 PM PST	River Flood Warning	SEW	Clallam	14 hr
Nov 17, 1:14 PM PST	River Flood Warning	SEW	Whatcom	15 hr
Nov 17, 1:44 PM PST	River Flood Warning	SEW	Skagit	31 hr
Nov 17, 1:44 PM PST	River Flood Warning	SEW	Snohomish	18 hr
Nov 17, 2:00 PM PST	Areal Flood Advisory	SEW	Grays Harbor	3 hr
Nov 17, 2:57 PM PST	River Flood Warning	SEW	Lewis, Pierce	24 hr
Nov 17, 2:57 PM PST	River Flood Warning	SEW	Lewis	47 hr
Nov 17, 3:12 PM PST	Areal Flood Warning	SEW	Clallam	6 hr
Nov 17, 3:26 PM PST	Areal Flood Warning	SEW	Snohomish	12 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.