REGRESSION Generated Peakflows The following peakflow forecasts are computed using seasonal volumetric statistical forecasts. Forecasts represent probable max flow during a specific period and include a range of plus/minus one standard deviation to that probable forecast. Click on the description link to left for more details.

Click on date to display forecast:

06-2009

05-2009

04-2009

03-2009

02-2009

01-2009

06-2008

05-2008

04-2008

03-2008

02-2008

01-2008

06-2007

05-2007

04-2007

03-2007

02-2007

01-2007

07-2006

06-2006

05-2006

04-2006

03-2006

02-2006

01-2006

05-2005

04-2005

03-2005

02-2005

01-2005

---

: 
: Northwest River Forecast Center 
: Peak Flow Forecasts 
: Thursday May 11, 2006 at 21:29 GMT 
: 

: 
: Peak Flow Forecasts 
: Northwest River Forecast Center 
: 
: 
: Stage (feet) and flow (Kcfs) forecasts are computed from regression equations or  
: based on other relationships. Forecasts are grouped as most probable including  
: values that are plus/minus one standard deviation. 
: 
: 
:***** Washington ************************************************************ 
:          
.BR NWRFC 20060506 DC200605061200 
.BR1 /DH12/HGSFMZL/HGSFMZM/HGSCMZN/QRSFMZL/QRSFMZM/QRSFMZN 
: 
:                   Stage in feet         Flow in Kcfs         Forecast 
:         flood  -------------------  -------------------  ----------------- 
:         stage    low    mid   high    low    mid   high   height/   period 
:                                                           volume 
: 
:PALOUSE RIVER AT HOOPER 
HOPW1             11.3/  12.5/  13.8/   6.6/   9.6/  12.6 : 1480.0   Jan-Sep 
:SNAKE RIVER NR ANATONE 
ANAW1   :  20.0:  17.0/  19.0/  21.00/ 120.0/ 140.0/ 160.0 :       
:ALBENI FALLS DAM -- FLOOD FLOW 100 KCFS 
ALFW1                 /      /      /  56.1/  66.1/   76.1:        
:KETTLE RIVER AT LAURIER 
LAUW1             12.4/  13.4/  14.4/  20.6/  23.6/  26.6 : 2100.0   Apr-Sep 
:COLVILLE RIV AT KETTLE FALLS  
:KTFW1    ***A crest of 8.2 feet or 1,980 cfs observed Apr-16*** 
:SPOKANE RIVER AT SPOKANE 
SPOW1   :  27.0:  24.2/  25.0/  25.8/  18.9/  22.3/  25.7 : 2610.0   Apr-Sep 
:SIMILKAMEEN RIV NR HEDLEY 
SMKQ2             10.2/  11.5/  12.8/   9.2/  12.8/  16.4 : 1000.0   Apr-Sep 
:SIMILKAMEEN RIV NR NIGHTHAWK 
NITW1              9.3/  11.1/  12.8/  10.2/  15.2/  20.2 : 1270.0   Apr-Sep 
:OKANOGAN RIVER NEAR TONASKET 
TONW1   :  15.0:  12.5/  13.6/  14.8/  13.5/  16.7/  19.9 : 1550.0   Apr-Sep 
:METHOW R NEAR PATEROS ***A crest of 12,300 cfs or 8.47 ft observed 04-25*** 
PATW1   :  10.0:   8.5/   8.5/   9.1/  12.3/  12.3/  14.9 :  880.0   Apr-Sep 
:WENATCHEE R AT PESHASTIN  TB20 
PESW1   :  13.0:   9.0/  10.1/  11.2/  13.0/  16.0/  19.0 : 1600.0   Apr-Sep 
:COLUMBIA BL PRIEST RAPIDS DAM 
PRDW1   :  32.0:  20.0/  22.8/  25.5/ 176.4/ 226.4/ 276.4 :65100.0   Apr-Aug 
:YAKIMA RIVER AT CLE ELUM 
YUMW1   :   9.0:   8.0/   8.6/   9.3/   4.6/   6.6/   8.6 :  950.0   Apr-Sep 
:NACHES RIVER NEAR NACHES 
NACW1   :  17.0:  15.8/  16.6/  17.5/   5.2/   6.9/   8.6 :  920.0   Apr-Sep 
:YAKIMA RIVER NEAR PARKER 
PARW1   :  10.0:   6.8/   7.9/   9.0/   8.2/  11.5/  14.8 : 2150.0   Apr-Sep 
:YAKIMA RIVER AT KIONA 
KIOW1   :  13.0:   8.7/  10.3/  11.9/   8.2/  11.5/  14.8 :   11.5   Jan-Sep 
:WALLA WALLA RIV NEAR TOUCHET * 
:TCHW1 ***A crest of 11.2 feet or 5,400cfs observed on Apr-6***  
:COWLITZ R AT CASTLE ROCK  TB20 
CASW1   :  48.0:  34.4/  35.2/  36.1/  12.2/  14.7/  17.2 : 2390.0   Apr-Jul 
:SKAGIT RIVER NR CONCRETE 
CONW1   :  28.0:  23.2/  25.0/  26.8/  37.2/  47.2/  57.2 : 6110.0   Apr-Sep 
:SKAGIT R NR MT VERNON 
MVEW1   :  28.0:  21.2/  23.5/  25.9/  37.2/  47.2/  57.2 : 6110.0   Apr-Sep 
:COLUMBIA R AT VANCOUVER 
VANW1   :  16.0:  11.0/  12.0/  15.0 :       
.END 

.BR NWRFC 20060506 DC200605061200/DH12 /QISFMZL/QISFMZM/QISFMZN 
: 
: Inflow 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:LOWER GRANITE DAM 
LGDW1     189.1/ 227.2/ 265.3 :       
:CHELAN RIVER AT CHELAN 
CHLW1      10.2/  12.5/  14.8 : 1140.0   Apr-Sep 
.END 

.BR NWRFC 20060506 DC200605061200/DH12 /QASFMZL/QASFMZM/QASFMZN 
: 
: Unregulated flow 
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:COLUMBIA BL PRIEST RAPIDS DAM 
PRDW1     339.3/ 389.3/ 439.3 :65100.0   Apr-Aug 
.END 




:***** Oregon ****************************************************************** 
:          
.BR NWRFC 20060506 DC200605061200 
.BR1 /DH12/HGSFMZL/HGSFMZM/HGSCMZN/QRSFMZL/QRSFMZM/QRSFMZN 
: 
:                   Stage in feet         Flow in Kcfs         Forecast 
:         flood  -------------------  -------------------  ----------------- 
:         stage    low    mid   high    low    mid   high   height/   period 
:                                                           volume 
: 
:MALHEUR RIVER NR DREWSEY 
:MADO3 ***A crest of 7.8 feet or 3,200cfs on Mar-26***  
:MALHEUR RIVER NR VALE 
:VALO3 ***A crest of 11.2 feet or 7,270cfs observed on Apr-7*** 
:IMNAHA RIVER AT IMNAHA    TB20 
IMNO3   :   5.5:   5.1/   5.9/   6.7/   3.1/   4.4/   5.7 :  365.0   Apr-Sep 
:GRANDE RONDE RIVER AT LAGRANDE 
:LAGO3 ***A crest of 5.6 feet or 4,487 cfs observed on Apr-6*** 
:GRANDE RONDE RIVER AT TROY 
:TRYO3 ***A crest of 8.0 feet or 11,237cfs observed on Apr-6***    
:UMATILLA R NR GIBBON  
:GIBO3 ***A crest of 6.1 feet or 1,800 cfs observed on Apr-6*** 
:UMATILLA R AT PENDLETON -- FLOOD FLOW 6.6 KCFS 
:PDTO3 ***A crest of 7.8 feet or 6,900 cfs observed on Apr-6*** 
:MCKAY CR NR PILOTROCK 
:MYKO3 ***A crest of 6.2 feet or 2,570 cfs observed on Apr-6*** 
:JOHN DAY RIVER AT SERVICE CK 
SERO3              9.5/  10.6/  11.7/  11.9/  14.9/  17.9 : 1310.0   Mar-Jul 
:THE DALLES 
TDAO3                 /      /      / 295.5/ 365.5/ 435.5 :95600.0   Apr-Aug 
:WILLAMETTE R AT MORRISON BRDG 
PRTO3   :  18.0:  10.5/  11.5/  14.5 :       
.END 

.BR NWRFC 20060506 DC200605061200/DH12/QISFMZL/QISFMZM/QISFMZN 
: 
: Inflow 
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:OWYHEE BELOW OWYHEE DAM 
OWYO3      14.7/  19.0/  23.3 : 1060.0   Mar-Sep 
.END 




:***** Montana **************************************************************** 
:          
.BR NWRFC 20060506 DC200605061200 
.BR1 /DH12/HGSFMZL/HGSFMZM/HGSCMZN/QRSFMZL/QRSFMZM/QRSFMZN 
: 
:                   Stage in feet         Flow in Kcfs         Forecast 
:         flood  -------------------  -------------------  ----------------- 
:         stage    low    mid   high    low    mid   high   height/   period 
:                                                           volume 
: 
:YAAK RIVER NR TROY 
TRYM8   :   8.0:   7.7/   8.1/   8.6/   6.0/   7.5/   9.0 :  525.0   Apr-Jul 
:BLACKFOOT R NR BONNER 
BONM8   :  10.0:   6.8/   8.0/   9.1/   6.9/   9.6/  12.3 :  910.0   Apr-Sep 
:CLARK FORK AB MISSOULA 
ABOM8   :  10.0:   7.7/   9.3/  11.0/  11.0/  15.9/  20.8 : 1610.0   Apr-Sep 
:BITTERROOT R NR DARBY 
DARM8   :   7.5:   6.0/   6.7/   7.5/   5.3/   6.7/   8.1 : 1520.0   Apr-Sep 
:BITTERROOT R NR MISSOULA 
BITM8   :  11.0:   9.9/  10.4/  10.8/  14.4/  15.7/  17.0 :    6.7   Apr-Sep 
:CLARK FORK BELOW MISSOULA 
BELM8   :  11.0:   8.0/   9.0/  10.0/  25.4/  31.0/  36.6 : 3120.0   Apr-Sep 
:CLARK FORK AT ST REGIS    TB20 
SRGM8   :  19.0:  13.9/  15.0/  16.2/  31.1/  37.4/  43.7 : 4150.0   Apr-Sep 
:MF FLATHEAD NR WEST GLACIER 
WGCM8   :  10.0:   7.0/   8.1/   9.1/  15.1/  19.1/  23.1 : 1530.0   Apr-Jul 
:NF FLATHEAD R NR COLUMBIA FALL 
FCFM8   :  13.0:   8.2/   9.0/   9.8/  15.6/  18.8/  21.9 : 1670.0   Apr-Jul 
:FLATHEAD R AT COLUMBIA FALLS 
CFMM8   :  14.0:  12.5/  13.1/  13.7/  41.2/  45.2/  49.3 :       
:CLARK FORK RIVER NEAR PLAINS 
PLNM8   :  16.0:  11.6/  13.3/  15.0/  56.6/  73.6/  90.6 :11300.0   Apr-Sep 
.END 

.BR NWRFC 20060506 DC200605061200/DH12/QISFMZL/QISFMZM/QISFMZN 
: 
: Inflow 
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:DAM AT HUNGRY HORSE 
HHWM8      19.8/  25.5/  31.2 : 2120.0   Apr-Sep 
.END 




:***** Idaho ******************************************************************* 
:          

.BR NWRFC 20060506 DC200605061200/DH12/HLSFMZL/HLSFMZM/HLSFMZN 
: 
: Lake Elevations 
: 
:                   Stage in feet          Forecast 
:         flood  -------------------  ----------------- 
:         stage    low    mid   high   height/   period 
: 
:PEND OREILLE LAKE NEAR HOPE 
HOPI1   :  63.5:  62.0/ 62.5/  63.0 :       
:COEUR D'ALENE LAKE 
COEI1   :2133.0:2129.1/2130.7/2132.3 :   22.3   Apr-Sep 
.END 

.BR NWRFC 20060506 DC200605061200 
.BR1 /DH12/HGSFMZL/HGSFMZM/HGSCMZN/QRSFMZL/QRSFMZM/QRSFMZN 
: 
:                   Stage in feet         Flow in Kcfs         Forecast 
:         flood  -------------------  -------------------  ----------------- 
:         stage    low    mid   high    low    mid   high   height/   period 
: 
: -- PALISADES LOCAL         
PLDI1X                /      /      /  16.4/  19.8/  23.2 : 3230.0   Apr-Sep 
:SNAKE RIVER NR HEISE -- FLOOD FLOW 24.5 KCFS 
HEII1              6.5/   7.4/   8.3/  18.5/  22.7/  26.9 : 4510.0   Apr-Sep 
:SNAKE RIVER NR SHELLEY 
SHYI1   :  12.0:  10.3/  11.4/  12.4/  19.1/  23.6/  28.1 : 5230.0   Apr-Jul 
:SNAKE RIVER NEAR BLACKFOOT 
BFTI1              8.9/  10.1/  11.3/  17.1/  21.6/  26.1 : 5260.0   Apr-Jul 
:SALT RIVER ABV RES NR ETNA 
SALW4              4.1/   4.4/   4.7/   2.3/   2.7/   3.0 :  440.0   Apr-Sep 
:TETON RIVER NEAR ST. ANTHONY 
TEAI1   :   6.0:   5.2/   5.8/   6.4/   3.7/   4.7/   5.7 :  465.0   Apr-Jul 
:HENRYS FORK AT ST. ANTHONY 
ANTI1   :   7.0:   6.3/   6.7/   7.2/   7.3/   8.5/   9.6 :  820.0   Apr-Jul 
:HENRYS FORK NEAR REXBURG 
REXI1   :   9.5:   9.8/  10.1/  10.4/   8.6/   9.9/  11.1 : 1465.0   Apr-Jul 
:PORTNEUF RIVER AT POCATELLO 
PIHI1   :   8.5:   9.0/  10.0/  11.0/   1.0/   1.3/   1.6 :  125.0   Mar-Sep 
:BIG LOST R@HOW'L RNCH NR CHILL 
HWRI1              4.7/   4.9/   5.2/   3.2/   3.7/   4.2 :  285.0   Apr-Jul 
:BIG WOOD RIVER AT HAILEY 
HALI1   :   6.0:   5.6/   6.0/   6.3/   3.6/   4.2/   4.8 :  455.0   Apr-Sep 
:BRUNEAU RIVER NR HOT SPRINGS 
HOTI1   :   9.0:   8.4/   9.5/  10.6/   2.8/   3.7/   4.7 :  345.0   Apr-Jul 
:PAYETTE RIVER NEAR EMMETT -- FLOOD FLOW 16 KCFS 
EMMI1              9.7/  10.2/  10.8/  13.9/  15.5/  17.0 : 1880.0   Apr-Jul 
:WEISER RIVER NR WEISER 
:WSRI1 ***A crest of 11.8 feet or 17,140 cfs observed on Apr-5*** 
:SELWAY RIVER NEAR LOWELL 
SELI1   :  14.0:  10.9/  11.8/  12.6/  25.5/  30.1/  34.7 : 4900.0   Apr-Jul 
:CLEARWATER R AT OROFINO 
ORFI1   :  17.0:  13.0/  14.4/  15.8/  44.9/  54.8/  64.7 : 5160.0   Apr-Sep 
:SF CLEARWATER RIVER AT STITES 
STII1   :   8.0:   6.0/   6.7/   7.4/   4.5/   6.2/   8.0 :   54.8   Apr-Sep 
:CLEARWATER R AT SPALDING 
SPDI1   :  18.0:  11.4/  13.3/  15.1/  46.4/  63.1/  79.7 :       
:MIDDLE FORK SALMON 
MIDI1              7.0/   7.5/   8.1/  10.7/  12.3/  13.9 : 1100.0   Apr-Jul 
:SALMON RIVER AT SALMON 
SMNI1   :   7.5:   6.4/   6.8/   7.2/  10.4/  11.8/  13.2 : 1270.0   Apr-Sep 
:SALMON R AT WHITEBIRD 
WHBI1   :  32.0:  28.8/  30.2/  31.5/  74.0/  84.3/  94.7 : 8300.0   Apr-Sep 
:PRIEST R NR PRIEST RIVER 
PRTI1              6.5/   7.0/   7.4/   6.6/   7.3/   8.0 :  990.0   Apr-Sep 
:COEUR D'ALENE R AT ENAVIL TB20 
:ENVI1  ***A crest of 68.6 feet or 16,153cfs observed on April-5***  
:COEURD'ALENE RIVER AT CATALDO 
:CTLI1  ***A crest of 43.0 feet or 21,450cfs observed on April-16***  
:ST JOE R AT CALDER        TB20 
:CLDI1  ***A crest of 10.7 feet or 12,560 observed on Apr-***                 
:ST JOE R AT ST MARIES 
SJMI1   :  32.5:  31.5/  32.0/  32.5                      : 2130.7   Apr-Jul 
.END 

.BR NWRFC 20060506 DC200605061200/DH12/QISFMZL/QISFMZM/QISFMZN 
: 
: Inflow 
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:COEUR D'ALENE LAKE 
COEI1      28.2/  33.2/  38.2 : 2520.0   Apr-Sep 
:SNKE R ON JACKSN LK AT DM TB20 
JLKW4       8.8/  11.0/  13.2 :  970.0   Apr-Sep 
:RIRIE DAM AND LAKE ON WILLOW C 
RIDI1       1.2/   1.7/   2.2 :  106.0   Apr-Jul 
:BIG LOST R AT MACKAY 
MACI1       2.0/   2.3/   2.6 :  240.0   Apr-Sep 
:LITL.WOODDM&RESNRCAREY 
LWRI1       1.4/   1.7/   2.0 :  180.0   Apr-Sep  
:CASCADE DAM               TB12 
CSDI1       4.0/   6.1/   8.2 :  730.0   Apr-Sep 
:DWORSHAK DAM 
DWRI1      23.3/  33.3/  43.3 : 2830.0   Apr-Sep 
.END 

.BR NWRFC/DH12/QASFMZL/QASFMZM/QASFMZN 20060506 DC200605061200 
: 
: Natural Flow   
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:BOISE LUCKY PEAK DAM 
LUCI1      19.0/  20.9/  22.8 : 2270.0   Apr-Sep 
.END 

$$ 

---

US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Northwest River Forecast Center (NWRFC) 5241 NE 122nd Avenue Portland, Oregon 97230-1089 Telephone: 503-326-7401 Last Modified: November 24, 2009

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