Alert archive / Washington / River Flood Warnings in 2012

River Flood Warning 19, NWS Spokane, WA

July 9, 2012Chelan County, Washington

NWS Spokane, WA issued this river flood warning at Jul 9, 2012, 11:04 AM PDT for Chelan County, Washington. It took effect at Jul 9, 2012, 10:17 PM PDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jul 9, 2012, 11:04 AM PDT (18:04 UTC)
In effect from
Jul 9, 2012, 10:17 PM PDT
Expired
Jul 10, 2012, 12:24 PM PDT
In force
14 hr
Issued by
NWS Spokane, WA
Flood severity
Minor

County Chelan County, WA

The radar

The Seattle radar (KATX), 144 km from the middle of the area, began a volume at 18:08 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 23.75 ft at Jul 10, 2012, 1:00 AM PDT.

actionminor20222407/0907/1007/11
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.

The text

As transmitted, in the capitals the NWS used until 2016.

072 
WGUS46 KOTX 091804
FLWOTX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SPOKANE, WA
1104 AM PDT MON JUL 9 2012

...THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A FLOOD WARNING
FOR THE FOLLOWING RIVERS AND LAKES IN WASHINGTON...

  STEHEKIN RIVER AT STEHEKIN AFFECTING CHELAN COUNTY

...THE FLOOD WATCH HAS BEEN UPGRADED TO A FLOOD WARNING...

...EXCESSIVE HIGH ELEVATION SNOWMELT DUE TO ABOVE NORMAL TEMPERATURES IN 
COMBINATION WITH INCREASING CHANCES FOR RAIN THIS EVENING WILL PUSH THE 
STEHEKIN RIVER AT STEHEKIN ABOVE FLOOD LEVELS MONDAY NIGHT...


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.

&&

WAC007-100604-
/O.NEW.KOTX.FL.W.0019.120710T0439Z-120711T0037Z/
/STHW1.1.ER.120710T0439Z.120710T0600Z.120710T1237Z.NO/
1104 AM PDT MON JUL 9 2012

THE NATIONAL WEATHER SERVICE IN SPOKANE, WA HAS ISSUED A 

* FLOOD WARNING FOR 
  THE STEHEKIN RIVER AT STEHEKIN.
* FROM MONDAY EVENING THROUGH TUESDAY AFTERNOON.
* AT 10:30 AM MONDAY THE STAGE WAS 23.18 FEET. 
* FLOOD STAGE IS 24.00 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...THE STEHEKIN RIVER IS FORECAST TO RISE ABOVE FLOOD STAGE 
  THIS EVENING CRESTING NEAR 24.2 FEET AROUND MIDNIGHT. THE RIVER IS 
  FORECAST TO RECEDE SLIGHTLY TUESDAY MORNING BEFORE A SECOND RISE 
  TUESDAY EVENING INTO TUESDAY NIGHT WITH LEVELS REMAINING NEAR 24.0 FEET.
* AT  23.5 FEET...SOME WATER MAY BE OVER MCGREGOR MEADOWS ROAD.

$$
3 follow-up statements
431 
WGUS86 KOTX 100351
FLSOTX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPOKANE, WA
851 PM PDT MON JUL 9 2012

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
WASHINGTON AND IDAHO...

  STEHEKIN RIVER AT STEHEKIN AFFECTING CHELAN COUNTY
  KOOTENAI RIVER AT BONNERS FERRY AFFECTING BOUNDARY COUNTY

...EXCESSIVE HIGH ELEVATION SNOWMELT DUE TO THE VERY WARM TEMPERATURES AND 
THE RECENT THUNDERSTORM RAINFALL WILL PUSH THE STEHEKIN RIVER AT STEHEKIN 
ABOVE FLOOD LEVELS TONIGHT THROUGH TUESDAY AFTERNOON...

...THE KOOTENAI RIVER WILL REMAIN ABOVE FLOOD STAGE THROUGH THIS WEEK
ALTHOUGH LEVELS ARE SLOWLY DECREASING. THE RIVER HAS BEEN RUNNING HIGH 
DUE TO RECENT HEAVY RAINFALL OVER THE BASIN AND INCREASED OUTFLOWS FROM 
LIBBY DAM. DESPITE THE DRIER WEATHER...THE HIGHER TEMPERATURES ARE 
INCREASING HIGH ELEVATION SNOWMELT WHICH WILL CONTRIBUTE TO AN 
EXTENDED PERIOD OF HIGH WATER...

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.

&&

IDC021-110351-
/O.CON.KOTX.FL.W.0018.000000T0000Z-120713T2310Z/
/BFEI1.1.RS.120623T1130Z.120704T1345Z.120713T1110Z.NO/
851 PM PDT MON JUL 9 2012

THE FLOOD WARNING CONTINUES FOR
  THE KOOTENAI RIVER AT BONNERS FERRY.
* UNTIL FRIDAY AFTERNOON.
* AT  8:15 PM MONDAY THE STAGE WAS 64.24 FEET. 
* FLOOD STAGE IS 64.00 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER IS FORECAST TO FALL BELOW FLOOD STAGE 
  FRIDAY MORNING.
* AT  64.0 FEET...THERE WILL BE MINOR FLOODING ALONG THE AGRICULTURAL 
  LANDS OF THE KOOTENAI VALLEY DUE TO SEEPAGE AND HIGH WATER TABLES. 
  SOME PRIVATE ROADS NEAR THE LEVEES MAY ALSO EXPERIENCE MINOR 
  FLOODING FROM SEEPAGE. 

$$

WAC007-110037-
/O.EXT.KOTX.FL.W.0019.120710T0517Z-120711T0037Z/
/STHW1.1.ER.120710T0517Z.120710T0600Z.120710T1237Z.NO/
851 PM PDT MON JUL 9 2012

 THE FLOOD WARNING CONTINUES FOR
  THE STEHEKIN RIVER AT STEHEKIN.
* UNTIL TUESDAY AFTERNOON.
* AT  7:30 PM MONDAY THE STAGE WAS 23.39 FEET. 
* FLOOD STAGE IS 24.00 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE BY TONIGHT TO NEAR  24.2 FEET. 
  THE RIVER IS FORECAST TO FALL BELOW FLOOD STAGE BY TOMORROW AFTERNOON.
* AT  23.5 FEET...SOME WATER MAY BE OVER MCGREGOR MEADOWS ROAD.

$$
051 
WGUS86 KOTX 100523
FLSOTX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPOKANE, WA
1023 PM PDT MON JUL 9 2012

..THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
WASHINGTON AND IDAHO...

  STEHEKIN RIVER AT STEHEKIN AFFECTING CHELAN COUNTY
  KOOTENAI RIVER AT BONNERS FERRY AFFECTING BOUNDARY COUNTY

...EXCESSIVE HIGH ELEVATION SNOWMELT DUE TO THE VERY WARM TEMPERATURES AND 
THE RECENT THUNDERSTORM RAINFALL WILL PUSH THE STEHEKIN RIVER AT STEHEKIN 
ABOVE FLOOD LEVELS MONDAY NIGHT THROUGH WEDNESDAY MORNING...

...THE KOOTENAI RIVER WILL REMAIN ABOVE FLOOD STAGE THROUGH THIS WEEK
ALTHOUGH LEVELS ARE SLOWLY DECREASING. THE RIVER HAS BEEN RUNNING HIGH 
DUE TO RECENT HEAVY RAINFALL OVER THE BASIN AND INCREASED OUTFLOWS FROM 
LIBBY DAM. DESPITE THE DRIER WEATHER...THE HIGHER TEMPERATURES ARE 
INCREASING HIGH ELEVATION SNOWMELT WHICH WILL CONTRIBUTE TO AN 
EXTENDED PERIOD OF HIGH WATER...

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.

&&

IDC021-110523-
/O.CON.KOTX.FL.W.0018.000000T0000Z-120713T2310Z/
/BFEI1.1.RS.120623T1130Z.120704T1345Z.120713T1110Z.NO/
1023 PM PDT MON JUL 9 2012

THE FLOOD WARNING CONTINUES FOR
  THE KOOTENAI RIVER AT BONNERS FERRY.
* UNTIL FRIDAY AFTERNOON.
* AT  9:15 PM MONDAY THE STAGE WAS 64.21 FEET. 
* FLOOD STAGE IS 64.00 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER IS FORECAST TO FALL BELOW FLOOD STAGE 
  FRIDAY MORNING.
* AT  64.0 FEET...THERE WILL BE MINOR FLOODING ALONG THE AGRICULTURAL 
  LANDS OF THE KOOTENAI VALLEY DUE TO SEEPAGE AND HIGH WATER TABLES. 
  SOME PRIVATE ROADS NEAR THE LEVEES MAY ALSO EXPERIENCE MINOR 
  FLOODING FROM SEEPAGE. 

$$

WAC007-110523-
/O.EXT.KOTX.FL.W.0019.000000T0000Z-120712T0020Z/
/STHW1.1.ER.120711T0443Z.120711T0600Z.120711T1220Z.NO/
1023 PM PDT MON JUL 9 2012

...FLOOD WARNING NOW IN EFFECT UNTIL WEDNESDAY AFTERNOON...
 THE FLOOD WARNING CONTINUES FOR
  THE STEHEKIN RIVER AT STEHEKIN.
* UNTIL WEDNESDAY AFTERNOON.
* AT  9:30 PM MONDAY THE STAGE WAS 23.55 FEET. 
* FLOOD STAGE IS 24.00 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE BY TOMORROW LATE EVENING AND 
  CONTINUE TO RISE TO NEAR  24.1 FEET BY TOMORROW LATE EVENING. THE 
  RIVER IS FORECAST TO FALL BELOW FLOOD STAGE BY WEDNESDAY MORNING.
* AT  23.5 FEET...SOME WATER MAY BE OVER MCGREGOR MEADOWS ROAD.

$$
914 
WGUS86 KOTX 101924
FLSOTX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPOKANE, WA
1224 PM PDT TUE JUL 10 2012

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS AND LAKES 
IN WASHINGTON...

  STEHEKIN RIVER AT STEHEKIN AFFECTING CHELAN COUNTY

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS AND LAKES IN 
IDAHO...

  KOOTENAI RIVER AT BONNERS FERRY AFFECTING BOUNDARY COUNTY

...THE KOOTENAI RIVER WILL REMAIN ABOVE FLOOD STAGE THROUGH 
WEDNESDAY ALTHOUGH LEVELS ARE SLOWLY DECREASING. THE RIVER HAS 
BEEN RUNNING HIGH DUE TO RECENT HEAVY RAINFALL OVER THE BASIN 
AND INCREASED OUTFLOWS FROM LIBBY DAM. DESPITE THE DRIER 
WEATHER...THE HIGHER TEMPERATURES ARE INCREASING HIGH ELEVATION 
SNOWMELT WHICH WILL CONTRIBUTE TO AN EXTENDED PERIOD OF HIGH WATER...

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.

&&

IDC021-111924-
/O.EXT.KOTX.FL.W.0018.000000T0000Z-120712T0758Z/
/BFEI1.1.RS.120623T1130Z.120704T1345Z.120711T1958Z.NO/
1224 PM PDT TUE JUL 10 2012

...FLOOD WARNING NOW IN EFFECT UNTIL LATE WEDNESDAY NIGHT...
 THE FLOOD WARNING CONTINUES FOR
  THE KOOTENAI RIVER AT BONNERS FERRY.
* UNTIL LATE WEDNESDAY NIGHT.
* AT 11:15 AM TUESDAY THE STAGE WAS 64.12 FEET. 
* FLOOD STAGE IS 64.00 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER IS EXPECTED TO CONTINUE TO FALL TO BELOW FLOOD
  STAGE BY WEDNESDAY AFTERNOON.
* AT  66.0 FEET...WATER WILL BEGIN TO ENCROACH UPON THE LAWN OF THE 
  KOOTENAI RIVER INN. SOME HOMES DOWNSTREAM OF BONNERS FERRY WILL BE 
  CUT OFF FROM ACCESS ROADS.
* AT  64.0 FEET...THERE WILL BE MINOR FLOODING ALONG THE AGRICULTURAL 
  LANDS OF THE KOOTENAI VALLEY DUE TO SEEPAGE AND HIGH WATER TABLES. 
  SOME PRIVATE ROADS NEAR THE LEVEES MAY ALSO EXPERIENCE MINOR 
  FLOODING FROM SEEPAGE. 

$$

WAC007-101954-
/O.CAN.KOTX.FL.W.0019.000000T0000Z-120712T0020Z/
/STHW1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1224 PM PDT TUE JUL 10 2012

THE FLOOD WARNING IS CANCELLED FOR
  THE STEHEKIN RIVER AT STEHEKIN.
* AT 11:30 AM TUESDAY THE STAGE WAS 22.93 FEET. 
* FLOOD STAGE IS 24.00 FEET.
* FORECAST...THE RIVER CRESTED BELOW FLOOD STAGE AT 23.8 FEET.  
  THE RIVER IS FORECAST TO FLUCTUATE BETWEEN 22.5 FEET AND 23.5 
  FEET THROUGH FRIDAY. 
* AT  23.5 FEET...SOME WATER MAY BE OVER MCGREGOR MEADOWS ROAD.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 12:07 AM PDTAreal Flood AdvisoryOTXDouglas3 hr
Jul 9, 1:25 PM PDTSpecial Weather StatementOTXFerry50 min

Nearby

River Flood Warnings in Washington, 2012Every river flood warning in 2012

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.