Alert archive / Washington / River Flood Warnings in 2022
River Flood Warning 28, NWS Seattle, WA
NWS Seattle, WA issued this river flood warning at Jan 12, 2022, 7:48 AM PST for Snohomish County, Washington. It took effect at Jan 12, 2022, 4:03 PM PST. It was in force for 30 hr.
The area
The counties it named.
The facts
- Issued
- Jan 12, 2022, 7:48 AM PST (15:48 UTC)
- In effect from
- Jan 12, 2022, 4:03 PM PST
- Expired
- Jan 13, 2022, 9:53 PM PST
- In force
- 30 hr
- Issued by
- NWS Seattle, WA
- Area
- Storm-based polygon
- Flood severity
- Moderate
County Snohomish County, WA
The radar
The Seattle radar (KATX), 60 km from the middle of the area, began a volume at 15:51 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 Snohomish River at Snohomish (SNAW1). The gauge peaked at 26.08 ft at Jan 13, 2022, 3:00 AM PST.
- Action stage
- 20 ft
- Minor stage
- 25 ft
- Moderate stage
- 27 ft
- Major stage
- 29 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 12155500, 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 Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 11, 5:53 PM PST | River Flood Warning | SEW | Grays Harbor | 41 hr |
| Jan 11, 10:42 PM PST | River Flood Warning | SEW | Clallam | 18 hr |
| Jan 12, 2:03 AM PST | River Flood Warning | SEW | Snohomish | 28 hr |
| Jan 12, 3:02 AM PST | Gale Warning | SEW | 13 hr | |
| Jan 12, 3:43 AM PST | River Flood Warning | SEW | King | 25 hr |
| Jan 12, 6:34 AM PST | River Flood Warning | SEW | Snohomish | 22 hr |
| Jan 12, 6:37 AM PST | River Flood Warning | SEW | King | 23 hr |
| Jan 12, 6:48 AM PST | River Flood Warning | SEW | King | 46 hr |
| Jan 12, 7:40 AM PST | River Flood Warning | SEW | Grays Harbor | 68 hr |
| Jan 12, 7:43 AM PST | River Flood Warning | SEW | Snohomish | 22 hr |
| Jan 12, 2:14 PM PST | Small Craft Advisory | SEW | 32 hr |
Nearby
River Flood Warnings in Washington, 2022Every river flood warning in 2022
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.