Alert archive / Washington / River Flood Watches in 2021
River Flood Watch 2, NWS Spokane, WA
NWS Spokane, WA issued this river flood watch at Nov 15, 2021, 9:01 AM PST for Okanogan County, Washington. It took effect at Nov 16, 2021, 4:40 PM PST. It was in force for 13 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 15, 2021, 9:01 AM PST (17:01 UTC)
- In effect from
- Nov 16, 2021, 4:40 PM PST
- Expired
- Nov 17, 2021, 5:18 AM PST
- In force
- 13 hr
- Issued by
- NWS Spokane, WA
- Area
- Storm-based polygon
- Flood severity
- None
County Okanogan County, WA
The radar
The Spokane radar (KOTX), 177 km from the middle of the area, began a volume at 17:03 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 Okanogan River near Tonasket (TONW1). The gauge peaked at 15.48 ft at Nov 17, 2021, 11:00 AM PST.
- Action stage
- 14 ft
- Minor stage
- 15 ft
- Moderate stage
- 17 ft
- Major stage
- 18 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 12445000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The text
As transmitted.
359 WGUS66 KOTX 151701 FFAOTX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Spokane WA 901 AM PST Mon Nov 15 2021 ...The National Weather Service in Spokane WA has issued a Flood Watch for the following rivers in Washington... Okanogan River near Tonasket affecting Okanogan County. For the OKANOGAN RIVER...including Tonasket...flooding is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you are in the watch area, remain alert to possible flooding. Additional information is available at www.weather.gov. The next statement will be issued this afternoon at 515 PM PST. && WAC047-160115- /O.NEW.KOTX.FL.A.0002.211117T0040Z-211118T2333Z/ /TONW1.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/ 901 AM PST Mon Nov 15 2021 ...FLOOD WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Flooding is possible. * WHERE...Okanogan River near Tonasket. * WHEN...From Tuesday afternoon to Thursday afternoon. * IMPACTS...At 16.0 feet, Pasture land between Rodeo Track Road and Benton Street, on the east side of the river near Omak, will begin to flood. * ADDITIONAL DETAILS... - At 8:15 AM PST Monday the stage was 6.6 feet. - Forecast...Flood stage may be reached tomorrow afternoon. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood && LAT...LON 4895 11945 4893 11932 4825 11951 4832 11968 $$ GKOCH
1 follow-up statement
223
WGUS66 KOTX 171318
FFAOTX
Flood Watch
National Weather Service Spokane WA
518 AM PST Wed Nov 17 2021
...A Flood Watch was Upgraded to a Flood Warning on November 16th
for the following rivers in Washington...
Okanogan River near Tonasket affecting Okanogan County.
WAC047-171430-
/O.CAN.KOTX.FL.A.0002.000000T0000Z-211117T1318Z/
/TONW1.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
518 AM PST Wed Nov 17 2021
...FLOOD WATCH IS NO LONGER IN EFFECT AND HAS BEEN REPLACED WITH A
FLOOD WARNING...
The Flood Watch has been replaced with a flood warning
for the Okanogan River near Tonasket.
* ADDITIONAL DETAILS...
- At 4:15 AM PST, November 17 the stage was 15.17 feet.
- Forecast...The river is forecast to continue to rise and
crest at 15.8 feet this afternoon.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4895 11945 4893 11932 4825 11951 4832 11968
$$
JSThe office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 14, 4:16 PM PST | River Flood Warning | OTX | Chelan | 34 hr |
| Nov 14, 9:16 PM PST | High Wind Warning | OTX | Adams, Asotin, Douglas, Garfield, Grant, Lincoln and 3 more | 25 hr |
| Nov 14, 9:16 PM PST | Wind Advisory | OTX | Adams, Asotin, Chelan, Douglas, Ferry, Garfield and 7 more | 27 hr |
| Nov 15, 3:15 AM PST | Winter Weather Advisory | OTX | Chelan | 31 hr |
| Nov 15, 9:00 AM PST | River Flood Warning | OTX | Okanogan | 12 hr |
Nearby
River Flood Watches in Washington, 2021Every river flood watch in 2021
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.