Alert archive / Washington / River Flood Warnings in 2017

River Flood Warning 21, NWS Spokane, WA

May 12, 2017Okanogan County, Washington

NWS Spokane, WA issued this river flood warning at May 12, 2017, 12:20 PM PDT for Okanogan County, Washington. It took effect at May 12, 2017, 10:52 PM PDT. It was in force for 3 days.

The area

The outline as issued.

The facts

Issued: May 12, 2017, 12:20 PM PDT (19:20 UTC)
In effect from: May 12, 2017, 10:52 PM PDT
Expired: May 16, 2017, 6:21 AM PDT
In force: 3 days
Issued by: NWS Spokane, WA
Area: Storm-based polygon
Flood severity: Minor

County Okanogan County, WA

The radar

The Spokane radar (KOTX), 177 km from the middle of the area, began a volume at 19:21 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 15.34 ft at May 13, 2017, 6:00 PM PDT.

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.

327 
WGUS46 KOTX 121921
FLWOTX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SPOKANE, WA
1220 PM PDT Fri May 12 2017

...The National Weather Service in Spokane has issued a flood warning
for the following rivers and lakes in Washington...

  Okanogan River near Tonasket AFFECTING Okanogan County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Additional information is available at:
http://water.weather.gov/ahps2/index.php?wfo=otx

The spring snow melt runoff in lakes and rivers is dangerously cold 
and can be life threatening for those that come into contact with the
water. Take appropriate precautions.

Be aware of large debris in the river. High water levels can push 
logs and other large debris into the river...increasing the danger to
people and boats.

Never drive cars...Trucks or sport utility vehicles through flooded 
areas. The water may be too deep to allow for safe passage. As little
as one foot of water on the road can move most vehicles off the road.

&&

WAC047-130720-
/O.NEW.KOTX.FL.W.0021.170513T0552Z-170516T1321Z/
/TONW1.1.SM.170513T0552Z.170514T1200Z.170516T0121Z.NO/
1220 PM PDT Fri May 12 2017

The National Weather Service in Spokane, WA has issued a 

* Flood Warning for 
  The Okanogan River near Tonasket.
* From this evening to Tuesday morning.
* At 11:15 AM Friday the stage was 14.53 feet.
* Flood stage is 15.00 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by tonight and continue to rise 
  to near 16.0 feet by Sunday morning. The river is forecast to fall
  below flood stage by Monday evening.

&&

LAT...LON 4895 11945 4893 11932 4825 11951 4832 11968 4895 11945

* 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. 
* At  15.0 feet...Minor flooding of low-lying areas is likely between 
  Oroville and Tonasket.


$$

6 follow-up statements

053 
WGUS86 KOTX 130204
FLSOTX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPOKANE, WA
704 PM PDT Fri May 12 2017

...The flood warning continues for the following rivers and lakes in 
Washington...
  Kettle River near Ferry above Curlew AFFECTING Ferry County
  Okanogan River near Tonasket AFFECTING Okanogan County


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Additional information is available at:
http://water.weather.gov/ahps2/index.php?wfo=otx

The spring snow melt runoff in lakes and rivers is dangerously cold 
and can be life threatening for those that come into contact with the
water. Take appropriate precautions.

Be aware of large debris in the river. High water levels can push 
logs and other large debris into the river...increasing the danger to
people and boats.

Never drive cars...Trucks or sport utility vehicles through flooded 
areas. The water may be too deep to allow for safe passage. As little
as one foot of water on the road can move most vehicles off the road.

&&

WAC019-140204-
/O.CON.KOTX.FL.W.0022.170513T0424Z-170514T1214Z/
/FRYW1.1.RS.170513T0424Z.170513T1200Z.170514T0014Z.NO/
704 PM PDT Fri May 12 2017

The Flood Warning continues for
  The Kettle River near Ferry above Curlew.
* until late Saturday night.
* At  6:15 PM Friday the stage was 18.50 feet.
* Flood stage is 18.50 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage Friday night and continue to rise 
  to near 18.6 feet by early Saturday. The river is forecast to fall
  below flood stage by Saturday afternoon or evening.

&&

LAT...LON 4900 11888 4898 11841 4882 11843 4886 11880 4900 11888


* At  18.5 feet...Flooding begins on Customs Road near mile post 6.
* At  18.3 feet...Minor flooding will occur in the 'Ol Swimming Hole 
  County Park in Curlew.


$$

WAC047-140203-
/O.CON.KOTX.FL.W.0021.170513T0810Z-170515T1858Z/
/TONW1.1.SM.170513T0810Z.170514T0600Z.170515T0658Z.NO/
704 PM PDT Fri May 12 2017

The Flood Warning continues for
  The Okanogan River near Tonasket.
* from late tonight to Monday morning.
* At  6:15 PM Friday the stage was 14.77 feet.
* Flood stage is 15.00 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by late Friday night and 
  continue to rise to near 15.4 feet by Saturday late evening. The 
  river is forecast to fall below flood stage by Sunday before 
  midnight.

&&

LAT...LON 4895 11945 4893 11932 4825 11951 4832 11968 4895 11945

 

* 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. 
* At  15.0 feet...Minor flooding of low-lying areas is likely between 
  Oroville and Tonasket.


$$

610
WGUS86 KOTX 131211
FLSOTX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPOKANE, WA
511 AM PDT Sat May 13 2017

...The flood warning is cancelled for the following rivers and lakes
in Washington...

Kettle River near Ferry above Curlew AFFECTING Ferry County

...The flood warning continues for the following rivers and lakes in
Washington...

Okanogan River near Tonasket AFFECTING Okanogan County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Additional information is available at:
http://water.weather.gov/ahps2/index.php?wfo=otx

The spring snow melt runoff in lakes and rivers is dangerously cold
and can be life threatening for those that come into contact with the
water. Take appropriate precautions.

Be aware of large debris in the river. High water levels can push
logs and other large debris into the river...increasing the danger to
people and boats.

Never drive cars...Trucks or sport utility vehicles through flooded
areas. The water may be too deep to allow for safe passage. As little
as one foot of water on the road can move most vehicles off the road.

WAC019-131241-
/O.CAN.KOTX.FL.W.0022.000000T0000Z-170514T1214Z/
/FRYW1.1.RS.170513T1624Z.170513T1800Z.170514T0014Z.NO/
511 AM PDT Sat May 13 2017

The Flood Warning is cancelled for
The Kettle River near Ferry above Curlew.
* At 4:15 AM Saturday the stage was 18.20 feet.
* Flood stage is 18.50 feet.
* Forecast...The Kettle River is forecast to continue to fall below flood
stage for the foreseeable future. Minor rises are possible with showers that develop over the weekend and into early next week. However the river should not rise above flood stage. Therefore the warning for the Kettle River has been canceled.

LAT...LON 4900 11888 4898 11841 4882 11843 4886 11880 4900 11888

* At 18.5 feet...Flooding begins on Customs Road near mile post 6.
* At 18.3 feet...Minor flooding will occur in the 'Ol Swimming Hole
County Park in Curlew.

WAC047-141211-
/O.EXT.KOTX.FL.W.0021.000000T0000Z-170515T1858Z/
/TONW1.1.SM.170513T0815Z.170514T0600Z.170515T0658Z.NO/
511 AM PDT Sat May 13 2017

...Flood Warning now in effect until Monday morning...
The Flood Warning continues for
The Okanogan River near Tonasket.
* until Monday morning.
* At 4:15 AM Saturday the stage was 15.10 feet.
* Flood stage is 15.00 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river is expected to continue to rise to near 15.4
feet by tonight. The river is forecast to fall below flood stage
late Sunday night or very early Monday morning.

LAT...LON 4895 11945 4893 11932 4825 11951 4832 11968 4895 11945

* 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.
* At 15.0 feet...Minor flooding of low-lying areas is likely between
Oroville and Tonasket.

$$
LN

242 
WGUS86 KOTX 131830
FLSOTX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPOKANE, WA
1130 AM PDT Sat May 13 2017

...The flood warning continues for the following rivers and lakes in 
Washington...

  Okanogan River near Tonasket AFFECTING Okanogan County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Additional information is available at:
http://water.weather.gov/ahps2/index.php?wfo=otx

The spring snow melt runoff in lakes and rivers is dangerously cold 
and can be life threatening for those that come into contact with the
water. Take appropriate precautions.

Be aware of large debris in the river. High water levels can push 
logs and other large debris into the river...increasing the danger to
people and boats.

Never drive cars...Trucks or sport utility vehicles through flooded 
areas. The water may be too deep to allow for safe passage. As little
as one foot of water on the road can move most vehicles off the road.

&&

WAC047-141830-
/O.EXT.KOTX.FL.W.0021.000000T0000Z-170515T0606Z/
/TONW1.1.SM.170513T0815Z.170514T0000Z.170514T1806Z.NO/
1130 AM PDT Sat May 13 2017

...Flood Warning now in effect until Sunday evening...
The Flood Warning continues for
  The Okanogan River near Tonasket.
* until Sunday evening.
* At 10:15 AM Saturday the stage was 15.24 feet.
* Flood stage is 15.00 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river is expected to continue to rise to near 15.3 
  feet by late this afternoon and then begin falling this evening. 
  The river is forecast to fall below flood stage by Sunday evening.

&&

LAT...LON 4895 11945 4893 11932 4825 11951 4832 11968 4895 11945

 
* At  17.0 feet...Low lying fields and pasture land in the flood plain
  along the Okanogan river valley, from Oroville to Okanogan, will be
  flooded. Some homes near river in Okanogan may experience some 
  basement flooding from seepage. Water will be between the railroad 
  and Highway 97 near Cordell, south of Oroville. Water will be 
  against the shoulder of Omak River Road accross from Wanacut Creek.
* 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. 
* At  15.0 feet...Minor flooding of low-lying areas is likely between 
  Oroville and Tonasket.


$$

944 
WGUS86 KOTX 140404
FLSOTX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPOKANE, WA
904 PM PDT Sat May 13 2017

...The flood warning continues for the following rivers and lakes in 
Washington...
  Okanogan River near Tonasket AFFECTING Okanogan County


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Additional information is available at:
http://water.weather.gov/ahps2/index.php?wfo=otx

The spring snow melt runoff in lakes and rivers is dangerously cold 
and can be life threatening for those that come into contact with the
water. Take appropriate precautions.

Be aware of large debris in the river. High water levels can push 
logs and other large debris into the river...increasing the danger to
people and boats.

Never drive cars...Trucks or sport utility vehicles through flooded 
areas. The water may be too deep to allow for safe passage. As little
as one foot of water on the road can move most vehicles off the road.

&&

WAC047-150404-
/O.CON.KOTX.FL.W.0021.000000T0000Z-170515T0658Z/
/TONW1.1.SM.170513T0815Z.170514T0115Z.170514T1858Z.NO/
904 PM PDT Sat May 13 2017

The Flood Warning continues for
  The Okanogan River near Tonasket.
* until Sunday evening.
* At  8:15 PM Saturday the stage was 15.33 feet.
* Flood stage is 15.00 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river is expected to gradually fall and 
  drop below flood stage between midday and evening Sunday.

&&

LAT...LON 4895 11945 4893 11932 4825 11951 4832 11968 4895 11945

 
* 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. 
* At  15.0 feet...Minor flooding of low-lying areas is likely between 
  Oroville and Tonasket.


$$

223 
WGUS86 KOTX 141540
FLSOTX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPOKANE, WA
840 AM PDT Sun May 14 2017

...The flood warning continues for the following rivers and lakes in 
Washington...

  Okanogan River near Tonasket AFFECTING Okanogan County


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Additional information is available at:
http://water.weather.gov/ahps2/index.php?wfo=otx

The spring snow melt runoff in lakes and rivers is dangerously cold 
and can be life threatening for those that come into contact with the
water. Take appropriate precautions.

Never drive cars...Trucks or sport utility vehicles through flooded 
areas. The water may be too deep to allow for safe passage. As little
as one foot of water on the road can move most vehicles off the road.

&&

WAC047-150658-
/O.EXT.KOTX.FL.W.0021.000000T0000Z-170515T0658Z/
/TONW1.1.SM.170513T0815Z.170514T0115Z.170514T1858Z.NO/
840 AM PDT Sun May 14 2017

...Flood Warning now in effect until this evening...
The Flood Warning continues for
  The Okanogan River near Tonasket.
* until this evening.
* At  8:15 AM Sunday the stage was 15.2 feet.
* Flood stage is 15.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The Okanogan River will fall below the flood stage
  of 15 feet today. The river is expected to fall through mid 
  week, and remain below flood stage through at least the 
  weekend.

&&

LAT...LON 4895 11945 4893 11932 4825 11951 4832 11968 4895 11945

* 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. 
* At  15.0 feet...Minor flooding of low-lying areas is likely between 
  Oroville and Tonasket.


$$

327 
WGUS86 KOTX 150243
FLSOTX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPOKANE, WA
743 PM PDT Sun May 14 2017

...The flood warning is cancelled for the following rivers and lakes 
in Washington...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Additional information is available at:
http://water.weather.gov/ahps2/index.php?wfo=otx

The spring snow melt runoff in lakes and rivers is dangerously cold 
and can be life threatening for those that come into contact with the
water. Take appropriate precautions.

Be aware of large debris in the river. High water levels can push 
logs and other large debris into the river...increasing the danger to
people and boats.

Never drive cars...Trucks or sport utility vehicles through flooded 
areas. The water may be too deep to allow for safe passage. As little
as one foot of water on the road can move most vehicles off the road.

&&

WAC047-150313-
/O.CAN.KOTX.FL.W.0021.000000T0000Z-170515T0658Z/
/TONW1.1.SM.170513T0815Z.170514T0115Z.170515T0100Z.NO/
743 PM PDT Sun May 14 2017

The Flood Warning is cancelled for
  The Okanogan River near Tonasket.
* At  7:15 PM Sunday the stage was 14.97 feet.
* Flood stage is 15.00 feet.
* The river fell below flood stage at 6:00 PM Today.
* Forecast...The river is expected to continue to fall to 13.9 feet 
  by Tuesday morning. At this time any future rises are expected
  to be below flood stage therefore the flood warning is cancelled.

&&

LAT...LON 4895 11945 4893 11932 4825 11951 4832 11968 4895 11945


* At  15.0 feet...Minor flooding of low-lying areas is likely between 
  Oroville and Tonasket.

$$

The office that day

Everything else NWS Spokane, WA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 12, 8:53 AM PDT	River Flood Watch	OTX	Okanogan	4 days

Nearby

River Flood Warnings in Washington, 2017 Every river flood warning 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.