Alert archive / Washington / River Flood Watches in 2017
River Flood Watch 26, NWS Spokane, WA
NWS Spokane, WA issued this river flood watch at Nov 22, 2017, 11:30 PM PST for Chelan County, Washington. It took effect at Nov 23, 2017, 4:42 PM PST. It was in force for 19 hr.
The area
The counties it named.
The facts
- Issued
- Nov 22, 2017, 11:30 PM PST (07:30 UTC)
- In effect from
- Nov 23, 2017, 4:42 PM PST
- Expired
- Nov 24, 2017, 11:21 AM PST
- In force
- 19 hr
- Issued by
- NWS Spokane, WA
- Area
- Storm-based polygon
- Flood severity
- None
County Chelan County, WA
The radar
The Seattle radar (KATX), 144 km from the middle of the area, began a volume at 07:32 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 Stehekin River at Stehekin (STHW1). The gauge peaked at 25.78 ft at Nov 23, 2017, 9:00 AM PST.
- Action stage
- 19.5 ft
- Minor stage
- 20.5 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 12451000, 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Spokane, WA wrote its last area forecast discussion before this river flood watch went out at Nov 22, 9:48 PM PST, 1 hour 42 minutes earlier.
Area forecast discussion, Nov 22, 9:48 PM PST, 1 hour 42 minutes before
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<div class="status" id="status">Temporary Notice</div>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 23, 3:36 AM PST | River Flood Warning | OTX | Chelan | 35 hr |
Nearby
River Flood Watches in Washington, 2017Every river flood watch in 2017
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.