Alert archive / Oregon / River Flood Warnings in 2018
River Flood Warning 4, NWS Portland, OR
NWS Portland, OR issued this river flood warning at May 19, 2018, 3:11 PM PDT for Multnomah County, Oregon; Clark County, Washington. It was in force for 47 hr.
The area
The counties it named.
The facts
- Issued
- May 19, 2018, 3:11 PM PDT (22:11 UTC)
- Expired
- May 21, 2018, 1:45 PM PDT
- In force
- 47 hr
- Issued by
- NWS Portland, OR
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Multnomah County, OR, Clark County, WA
The radar
The Portland,OR radar (KRTX), 40 km from the middle of the area, began a volume at 22:11 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 Columbia River at Vancouver (VAPW1).
- Action stage
- 15 ft
- Minor stage
- 16 ft
- Moderate stage
- 20 ft
- Major stage
- 25 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.
Nearby
River Flood Warnings in Oregon, 2018River Flood Warnings in Washington, 2018Every 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.