Alert archive / Washington / River Flood Warnings in 2018

River Flood Warning 2, NWS Portland, OR

April 14, 2018Wahkiakum County, Washington

NWS Portland, OR issued this river flood warning at Apr 14, 2018, 1:34 PM PDT for Wahkiakum County, Washington. It took effect at Apr 14, 2018, 4:08 PM PDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Apr 14, 2018, 1:34 PM PDT (20:34 UTC)
In effect from: Apr 14, 2018, 4:08 PM PDT
Expired: Apr 15, 2018, 6:39 AM PDT
In force: 15 hr
Issued by: NWS Portland, OR
Area: Storm-based polygon
Flood severity: Minor

County Wahkiakum County, WA

The radar

The Portland,OR radar (KRTX), 74 km from the middle of the area, began a volume at 20:37 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 Grays River at Covered Bridge near Rosburg (GRRW1).

Action stage: 27.5 ft
Minor stage: 28.5 ft
Moderate stage: 30.5 ft
Major stage: 32.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, 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 Portland, OR wrote its last area forecast discussion before this river flood warning went out at Apr 14, 9:08 AM PDT, 4 hours 26 minutes earlier.

Area forecast discussion, Apr 14, 9:08 AM PDT, 4 hours 26 minutes before

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The office that day

Everything else NWS Portland, OR issued on the same UTC day.

Issued	Product	Office	Lasted
Apr 14, 2:58 AM PDT	Winter Weather Advisory	PQR	3 days
Apr 14, 2:33 PM PDT	Small Craft Advisory for Rough Bar	PQR	17 hr
Apr 14, 3:04 AM PDT	Flood Watch	PQR	11 hr

Nearby

River Flood Warnings in Washington, 2018 Every river flood warning in 2018

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.