Alert archive / Oregon / River Flood Warnings in 2011
River Flood Warning 18, NWS Portland, OR
NWS Portland, OR issued this river flood warning at May 24, 2011, 8:22 AM PDT for Multnomah County, Oregon; Clark County, Washington. It took effect at May 24, 2011, 3:32 PM PDT. It was in force for 26 days.
The area
The counties it named.
The facts
- Issued
- May 24, 2011, 8:22 AM PDT (15:22 UTC)
- In effect from
- May 24, 2011, 3:32 PM PDT
- Expired
- Jun 19, 2011, 11:29 AM PDT
- In force
- 26 days
- Issued by
- NWS Portland, OR
- 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 15:24 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.
The office that day
Everything else NWS Portland, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 2:51 AM PDT | Small Craft Advisory for Winds | PQR | 26 hr |
Nearby
River Flood Warnings in Oregon, 2011River Flood Warnings in Washington, 2011Every river flood warning in 2011
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.