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:

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 
: Tuesday April 07, 2009 at 11:17 PDT 
: 

: 
: 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 20090407 DC200904071200 
.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/  13.7/   6.8/   9.8/  12.8 : 1530.0   Jan-Sep 
:SNAKE RIVER NR ANATONE 
ANAW1   :  20.0:  12.3/  13.1/  13.9/   7.5/   8.2/   9.0 :        
:ALBENI FALLS DAM -- FLOOD FLOW 100 KCFS 
ALFW1                 /      /      /  51.0/  61.0/  71.0 :         
:KETTLE RIVER AT LAURIER 
LAUW1             11.1/  12.4/  13.8/  16.2/  20.3/  24.3 : 1680.0   Apr-Sep 
:COLVILLE RIV AT KETTLE FALLS 
KTFW1              7.2/   7.6/   7.9/   1.0/   1.3/   1.6 : 1680.0   Apr-Sep 
:SPOKANE RIVER AT SPOKANE 
SPOW1   :  27.0:  24.4/  25.1/  25.8/  20.0/  23.4/  26.8 : 2770.0   Apr-Sep 
:SIMILKAMEEN RIV NR HEDLEY 
SMKQ2              7.9/   9.4/  10.8/   5.0/   8.6/  12.2 :  660.0   Apr-Sep 
:SIMILKAMEEN RIV NR NIGHTHAWK 
NITW1              7.7/   9.0/  10.3/   6.6/  10.0/  13.4 :  860.0   Apr-Sep 
:OKANOGAN RIVER NEAR TONASKET 
TONW1   :  15.0:   9.7/  11.2/  12.8/   7.7/  11.2/  14.8 : 1040.0   Apr-Sep 
:METHOW R NEAR PATEROS 
PATW1   :  10.0:   5.6/   6.8/   8.0/   4.9/   8.2/  11.5 :  620.0   Apr-Sep 
:WENATCHEE R AT PESHASTIN  TB20 
PESW1   :  13.0:   8.2/   9.3/  10.5/  10.8/  13.8/  16.8 : 1300.0   Apr-Sep 
:COLUMBIA BL PRIEST RAPIDS DAM 
PRDW1   :  32.0:  17.9/  22.6/  27.2/ 159.8/ 230.8/ 301.8 :59800.0   Apr-Aug 
:YAKIMA RIVER AT CLE ELUM 
YUMW1   :   9.0:   6.5/   7.3/   8.1/   3.2/   5.2/   7.2 :  770.0   Apr-Sep 
:NACHES RIVER NEAR NACHES 
NACW1   :  17.0:  14.8/  15.7/  16.6/   3.6/   5.3/   7.0 :  720.0   Apr-Sep 
:YAKIMA RIVER NEAR PARKER 
PARW1   :  10.0:   5.9/   7.1/   8.3/   6.3/   9.6/  12.9 : 1750.0   Apr-Sep 
:YAKIMA RIVER AT KIONA 
KIOW1   :  13.0:   7.3/   9.0/  10.7/   6.3/   9.6/  12.9 :    9.6   Jan-Sep 
:WALLA WALLA RIV NEAR TOUCHET 
TCHW1   :  13.0:   7.8/   9.1/  10.4/   2.6/   3.6/   4.6 :   74.0   Mar-Jul 
:COWLITZ R AT CASTLE ROCK  TB20 
CASW1   :  48.0:  35.0/  35.8/  36.6/  10.5/  13.0/  15.5 : 2170.0   Apr-Jul 
:SKAGIT RIVER NR CONCRETE 
CONW1   :  28.0:  21.3/  24.3/  27.2/  29.0/  43.7/  58.4 : 5090.0   Apr-Sep 
:SKAGIT R NR MT VERNON 
MVEW1   :  28.0:  19.7/  21.7/  23.7/  27.8/  37.8/  47.8 : 5090.0   Apr-Sep 
:COLUMBIA R AT VANCOUVER 
VANW1   :  16.0:   8.0/   9.0/  11.0 :         
.END 

.BR NWRFC 20090407 DC200904071200/DH12 /QISFMZL/QISFMZM/QISFMZN 
: 
: Inflow 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:LOWER GRANITE DAM 
LGDW1     116.0/ 140.0/ 164.0 :         
:CHELAN RIVER AT CHELAN 
CHLW1       7.3/   9.6/  11.9 :  850.0   Apr-Sep 
.END 

.BR NWRFC 20090407 DC200904071200/DH12 /QASFMZL/QASFMZM/QASFMZN 
: 
: Unregulated flow 
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:COLUMBIA BL PRIEST RAPIDS DAM 
PRDW1N    289.6/ 348.2/ 406.9 :59800.0   Apr-Aug 
.END 




:***** Oregon ****************************************************************** 
:          
.BR NWRFC 20090407 DC200904071200 
.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              5.0/   6.3/   7.6/   1.0/   2.0/   3.0 :   62.0   Apr-Sep 
:MALHEUR RIVER NR VALE 
VALO3   :   9.5:   5.3/   7.5/   9.8/   1.7/   3.5/   5.4 :    2.0   Jan-Jan 
:IMNAHA RIVER AT IMNAHA    TB20 
IMNO3   :   5.5:   3.2/   4.2/   5.1/   1.2/   2.5/   3.8 :  250.0   Apr-Sep 
:GRNDE RONDE R AT LAGRANDE RAWS 
LAGO3   :  10.0:   6.2/   7.9/   9.5/   2.2/   4.2/   6.2 :  188.0   Apr-Sep 
:GRANDE RONDE RIVER AT TROY 
TRYO3   :  10.0:   7.2/   7.8/   8.4/   8.8/  11.4/  14.0 : 1330.0   Apr-Sep 
:UMATILLA R NR GIBBON 
GIBO3   :   7.0:   5.1/   5.6/   6.2/   1.0/   1.5/   2.0 :   91.0   Apr-Sep 
:UMATILLA R AT PENDLETON -- FLOOD FLOW 6.6 KCFS 
PDTO3              5.7/   5.8/   5.9/   2.5/   3.2/   4.0 :    1.5   Mar-Sep 
:MCKAY CR NR PILOTROCK 
MYKO3              4.6/   5.1/   5.6/   1.0/   1.4/   1.9 :  250.0   Mar-Jul 
:JOHN DAY RIVER AT SERVICE CK 
SERO3              7.5/   9.0/  10.6/   6.8/  11.1/  15.4 : 1020.0   Mar-Jul 
:THE DALLES 
TDAO3                 /      /      / 232.0/ 302.0/ 372.0 :82400.0   Apr-Aug 
:WILLAMETTE R AT MORRISON BRDG 
PRTO3   :  18.0:   7.5/   8.5/  10.5 :         
.END 

.BR NWRFC 20090407 DC200904071200/DH12/QISFMZL/QISFMZM/QISFMZN 
: 
: Inflow 
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:OWYHEE BELOW OWYHEE DAM 
OWYO3       4.4/   8.7/  13.0 :  420.0   Mar-Sep 
.END 




:***** Montana **************************************************************** 
:          
.BR NWRFC 20090407 DC200904071200 
.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:   7.0/   7.5/   8.0/   4.2/   5.7/   7.2 :  410.0   Apr-Jul 
:BLACKFOOT R NR BONNER 
BONM8   :  10.0:   7.1/   8.1/   9.2/   7.4/  10.1/  12.8 :  985.0   Apr-Sep 
:CLARK FORK AB MISSOULA 
ABOM8   :  10.0:   7.9/   9.5/  11.2/  12.3/  17.3/  22.3 : 1750.0   Apr-Sep 
:BITTERROOT R NR DARBY 
DARM8   :   7.5:   6.0/   6.7/   7.3/   4.9/   6.3/   7.7 : 1420.0   Apr-Sep 
:BITTERROOT R NR MISSOULA 
BITM8   :  11.0:   9.6/  10.1/  10.6/  13.5/  14.8/  16.1 :    6.3   Apr-Sep 
:CLARK FORK BELOW MISSOULA 
BELM8   :  11.0:   8.6/   9.3/  10.0/  27.9/  32.8/  37.6 : 3180.0   Apr-Sep 
:CLARK FORK AT ST REGIS    TB20 
SRGM8   :  19.0:  14.2/  15.3/  16.4/  33.0/  39.1/  45.2 : 4100.0   Apr-Sep 
:MF FLATHEAD NR WEST GLACIER 
WGCM8   :  10.0:   6.6/   7.6/   8.7/  14.1/  18.1/  22.1 : 1460.0   Apr-Jul 
:NF FLATHEAD R NR COLUMBIA FALL 
FCFM8   :  13.0:   7.0/   8.1/   9.2/  12.3/  15.4/  18.5 : 1370.0   Apr-Jul 
:FLATHEAD R AT COLUMBIA FALLS 
CFMM8   :  14.0:  10.6/  11.8/  12.9/  30.0/  37.0/  44.0 :          
:CLARK FORK RIVER NEAR PLAINS 
PLNM8   :  16.0:  13.0/  14.2/  15.3/  69.4/  81.4/  93.4 :10600.0   Apr-Sep 
.END 

.BR NWRFC 20090407 DC200904071200/DH12/QISFMZL/QISFMZM/QISFMZN 
: 
: Inflow 
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:DAM AT HUNGRY HORSE 
HHWM8      18.8/  24.5/  30.2 : 2040.0   Apr-Sep 
.END 




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

.BR NWRFC 20090407 DC200904071200/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   :2133.0:2129.4/2131.0/2132.6 :   23.4   Apr-Sep 
.END 

.BR NWRFC 20090407 DC200904071200 
.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                /      /      /  15.8/  19.2/  22.6 : 2970.0   Apr-Sep 
:SNAKE RIVER NR HEISE -- FLOOD FLOW 24.5 KCFS 
HEII1              6.1/   7.1/   8.1/  17.6/  21.8/  26.0 : 4200.0   Apr-Sep 
:SNAKE RIVER NR SHELLEY 
SHYI1   :  12.0:   9.7/  10.8/  11.9/  16.7/  21.2/  25.7 : 4560.0   Apr-Jul 
:SNAKE RIVER NEAR BLACKFOOT 
BFTI1             13.0/  14.0/  15.0/  34.5/  39.5/  44.5 : 4590.0   Apr-Jul 
:SALT RIVER ABV RES NR ETNA 
SALW4              4.0/   4.3/   4.6/   2.3/   2.6/   3.0 :  430.0   Apr-Sep 
:TETON RIVER NEAR ST. ANTHONY 
TEAI1   :   6.0:   4.3/   5.0/   5.7/   2.4/   3.4/   4.4 :  345.0   Apr-Jul 
:HENRYS FORK AT ST. ANTHONY 
ANTI1   :   7.0:   5.4/   5.9/   6.3/   5.2/   6.3/   7.4 :  610.0   Apr-Jul 
:HENRYS FORK NEAR REXBURG 
REXI1   :   9.5:   9.1/   9.6/  10.1/   7.5/   8.7/  10.0 : 1320.0   Apr-Jul 
:PORTNEUF RIVER AT POCATELLO 
PIHI1   :   8.5:   6.5/   8.0/   9.4/   0.5/   0.8/   1.1 :   91.0   Mar-Sep 
:BIG LOST R@HOW'L RNCH NR CHILL 
HWRI1              3.6/   4.0/   4.4/   1.8/   2.3/   2.7 :  152.0   Apr-Jul 
:BIG WOOD RIVER AT HAILEY 
HALI1   :   6.0:   3.7/   4.3/   4.9/   1.6/   2.2/   2.8 :  220.0   Apr-Sep 
:BRUNEAU RIVER NR HOT SPRINGS 
HOTI1   :   9.0:   6.9/   8.1/   9.3/   1.4/   2.4/   3.3 :  205.0   Apr-Jul 
:PAYETTE RIVER NEAR EMMETT -- FLOOD FLOW 16 KCFS 
EMMI1              6.8/   7.5/   8.2/   7.6/   9.1/  10.7 : 1020.0   Apr-Jul 
:WEISER RIVER NR WEISER 
WSRI1   :   9.5:   7.1/   7.9/   8.8/   3.3/   5.0/   6.8 :  445.0   Mar-Sep 
:SELWAY RIVER NEAR LOWELL 
SELI1   :  14.0:  10.5/  11.4/  12.3/  23.5/  28.2/  32.9 : 4950.0   Apr-Jul 
:CLEARWATER R AT OROFINO 
ORFI1   :  17.0:  14.3/  15.3/  16.3/  53.9/  61.6/  69.4 : 5210.0   Apr-Sep 
:SF CLEARWATER RIVER AT STITES 
STII1   :   8.0:   6.3/   7.0/   7.7/   5.0/   6.8/   8.5 :   61.6   Apr-Sep 
:CLEARWATER R AT SPALDING 
SPDI1   :  18.0:  10.7/  12.7/  14.5/  41.0/  57.5/  74.5 :        
:MIDDLE FORK SALMON 
MIDI1              5.6/   6.2/   6.8/   7.0/   8.6/  10.2 :  795.0   Apr-Jul 
:SALMON RIVER AT SALMON 
SMNI1   :   7.5:   5.3/   5.8/   6.3/   7.2/   8.6/  10.0 :  930.0   Apr-Sep 
:SALMON R AT WHITEBIRD 
WHBI1   :  32.0:  26.0/  27.6/  29.2/  55.1/  65.6/  76.1 : 6270.0   Apr-Sep 
:PRIEST R NR PRIEST RIVER 
PRTI1              5.8/   6.2/   6.7/   5.5/   6.2/   6.8 :  825.0   Apr-Sep 
:COEUR D'ALENE R AT ENAVIL TB20 
ENVI1   :  72.0:  65.3/  66.8/  68.3/   9.1/  12.7/  16.2 :  810.0   Apr-Sep 
:COEURD'ALENE RIVER AT CATALDO 
CTLI1   :  43.0:  41.1/  41.8/  42.4/  14.0/  16.0/  18.0 :  810.0   Apr-Sep 
:ST JOE R AT CALDER        TB20 
CLDI1   :  13.0:  10.4/  11.2/  12.0/  11.5/  14.9/  18.3 : 1180.0   Apr-Sep 
:ST JOE R AT ST MARIES 
SJMI1   :  32.5:  30.0/  31.5/  32.0                      : 2131.0   Apr-Jul 
.END 

.BR NWRFC 20090407 DC200904071200/DH12/QISFMZL/QISFMZM/QISFMZN 
: 
: Inflow 
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:COEUR D'ALENE LAKE 
COEI1      29.4/  34.4/  39.4 : 2640.0   Apr-Sep 
:SNKE R ON JACKSN LK AT DM TB20 
JLKW4       8.4/  10.6/  12.8 :  925.0   Apr-Sep 
:RIRIE DAM AND LAKE ON WILLOW C 
RIDI1       0.9/   1.4/   2.0 :   89.0   Apr-Jul 
:BIG LOST R AT MACKAY 
MACI1       1.1/   1.4/   1.7 :  144.0   Apr-Sep 
:LITL.WOODDM&RESNRCAREY 
LWRI1       0.5/   0.7/   1.0 :   71.0   Apr-Sep 
:CASCADE DAM               TB12 
CSDI1       2.1/   4.2/   6.3 :  425.0   Apr-Sep 
:DWORSHAK DAM 
DWRI1      23.5/  27.9/  32.3 : 2870.0   Apr-Sep 
.END 

.BR NWRFC/DH12/QASFMZL/QASFMZM/QASFMZN 20090407 DC200904071200 
: 
: Natural Flow   
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:BOISE LUCKY PEAK DAM 
LUCI1       9.4/  11.3/  13.2 : 1240.0   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: December 8, 2005

Disclaimer Information Quality Credits Glossary Search

Privacy Policy  Freedom of Information Act  About Us  Career Opportunities