NWRFC Peakflow Text Forecasts

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:
: 
: Northwest River Forecast Center 
: Peak Flow Forecasts 
: Friday June 08, 2007 at 14:25 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 20070608 DC200706081200 
.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   ***A crest of 1,660 cfs or 7.54 ft was observed on 03-29***  
:SNAKE RIVER NR ANATONE 
:ANAW1   ***A crest of 63,200 cfs or 11.0 ft  was observed on 05-15***  
:ALBENI FALLS DAM -- FLOOD FLOW 100 KCFS 
:ALFW1   ***A crest of 57,460 cfs was observed on 06-06***  
:KETTLE RIVER AT LAURIER 
:LAUW1   ***A crest of 14,800 cfs or 10.6 ft was observed on 05-18***  
:COLVILLE RIV AT KETTLE FALLS 
:KTFW1   ***A crest of 875 cfs or 7.1 ft was observed on 03-27***   
:SPOKANE RIVER AT SPOKANE 
:SPOW1    ***A crest of 23,100 cfs or 25.19 ft was observed  on 03-19***  
:SIMILKAMEEN RIV NR HEDLEY 
SMKQ2             10.8/  12.6/  14.4/  13.5/  17.1/  20.7 : 1340.0   Apr-Sep 
:SIMILKAMEEN RIV NR NIGHTHAWK 
:NITW1    ***A crest of 13,300 cfs or 10.5 ft was observed on 06-05*** 
:OKANOGAN RIVER NEAR TONASKET 
:TONW1    ***A crest of 13,700 cfs  or 12.4 ft was observed on 06-07***  
:METHOW R NEAR PATEROS 
:PATW1   ***A crest of 11,000 cfs  or 8.1 ft was observed  on 06-05***  
:WENATCHEE R AT PESHASTIN  TB20 
:PESW1    ***A crest of 15,600 cfs or 10.5 ft was observed  on 06-05***  
:COLUMBIA BL PRIEST RAPIDS DAM 
:PRDW1    ***A crest of 254,000 cfs or 24.77 ft was observed  on 04-03***  
:YAKIMA RIVER AT CLE ELUM 
:YUMW1    ***A crest of 6,970 cfs or 8.17 ft was observed  on 03-25***  
:NACHES RIVER NEAR NACHES 
:NACW1     ***A crest of 6,125 cfs or 16.6 ft was observed  on 06-04***  
:YAKIMA RIVER NEAR PARKER 
:PARW1     ***A crest of 9,280 cfs or 7.4 ft was observed  on 06-05***  
:YAKIMA RIVER AT KIONA 
:KIOW1      ***A crest of 6,270 cfs or 8.6 ft was observed  on 06-07***  
:WALLA WALLA RIV NEAR TOUCHET 
:TCHW1      ***A crest of 6,940 cfs or 12.0 ft was  observed  on 03-26***  
:COWLITZ R AT CASTLE ROCK  TB20 
:CASW1      ***A crest of 40,580 cfs or 42.48 ft was  observed  on 03-26***  
:SKAGIT RIVER NR CONCRETE 
:CONW1      ***A crest of 39,500 cfs or 23.9 ft was observed on 06-04***  
:SKAGIT R NR MT VERNON 
:MVEW1      ***A crest of 42,940 cfs or 22.7 ft was observed on 06-04***  
:COLUMBIA R AT VANCOUVER 
:VANW1       ***A crest of 295,000 cfs or 9.0 ft was observed on 05-16***  
.END 

.BR NWRFC 20070608 DC200706081200/DH12 /QISFMZL/QISFMZM/QISFMZN 
: 
: Inflow 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:LOWER GRANITE DAM 
:LGDW1      ***A crest of 108,000 cfs was observed on 05-14***  
:CHELAN RIVER AT CHELAN 
:CHLW1      12.2/  14.5/  16.8 : 1340.0   Apr-Sep 
.END 

.BR NWRFC 20070608 DC200706081200/DH12 /QASFMZL/QASFMZM/QASFMZN 
: 
: Unregulated flow 
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:COLUMBIA BL PRIEST RAPIDS DAM 
PRDW1N    366.9/ 416.9/ 466.9 :68800.0   Apr-Aug 
.END 




:***** Oregon ****************************************************************** 
:          
.BR NWRFC 20070608 DC200706081200 
.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 4,400 cfs or 8.93 ft was observed on 03-25***  
:MALHEUR RIVER NR VALE 
:         ***A crest of 1990 cfs or 6.0 ft  was observed on 04-08*** 
:IMNAHA RIVER AT IMNAHA    TB20 
:IMNO3     ***A crest of 1420 cfs or 3.7 ft was observed on 05-11***  
:GRNDE RONDE R AT LAGRANDE RAWS 
:LAGO3   :  10.0:   5.3/   7.2/   9.0/   1.4/   3.4/   5.4 :   88.0   Apr-Sep 
GRANDE RONDE RIVER AT TROY 
:TRYO3     ***A crest of 5,875 cfs or 6.3 ft  was observed on 05-13***  
:UMATILLA R NR GIBBON 
:GIBO3    ***A crest of 446 cfs or 4.2 ft  was observed on 04-09***  
:UMATILLA R AT PENDLETON -- FLOOD FLOW 6.6 KCFS 
:PDTO3    ***A crest of 5,570 cfs or 9.9 ft  was observed on 03-28***  
:MCKAY CR NR PILOTROCK 
:MYKO3    ***A crest of 544 cfs or 3.97 ft  was observed on 03-30***  
:JOHN DAY RIVER AT SERVICE CK 
:SERO3    ***A crest of 5,457 cfs or 6.9 ft was observed on 04-10*  
:THE DALLES 
:TDAO3   ***A crest of 375,000cfs on was observed on 05-09***  
:WILLAMETTE R AT MORRISON BRDG 
:PRTO3   ***A crest of 9.3 ft  was observed on 03-27***  
.END 




:***** Montana **************************************************************** 
:          
.BR NWRFC 20070608 DC200706081200 
.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    ***A crest of 6,600 cfs or 7.92 ft was observed on 03-26***  
:BLACKFOOT R NR BONNER 
:BONM8     ***A crest of 5,750 cfs or 6.23 ft was observed on 05-04***  
:CLARK FORK AB MISSOULA 
:ABOM8     ***A crest of 9,300 cfs or 7.1 ft was observed on 05-04***  
:BITTERROOT R NR DARBY 
:DARM8     ***A crest of 4,275 cfs or 5.9 ft was observed on 05-13***  
:BITTERROOT R NR MISSOULA 
:BITM8     ***A crest of 9,230 cfs or 9.3 ft was observed on 05-14***  
:CLARK FORK BELOW MISSOULA 
:BELM8     ***A crest of 19,200 cfs or 7.0 ft was observed on 05-14***  
:CLARK FORK AT ST REGIS    TB20 
:SRGM8     ***A crest of 23,700 cfs or 12.4 ft was observed on 05-14***  
:MF FLATHEAD NR WEST GLACIER 
:WGCM8     ***A crest of 13,200 cfs or 6.5 ft  was observed on 06-06***  
:NF FLATHEAD R NR COLUMBIA FALL 
:FCFM8     ***A crest of 14,800 cfs  or 8.2 ft was observed on 05-14***   
:FLATHEAD R AT COLUMBIA FALLS 
:CFMM8     ***A crest of 35,000 cfs or 11.5 ft was observed on 05-14***  
:CLARK FORK RIVER NEAR PLAINS 
:PLNM8   :  16.0:  10.4/  12.3/  14.1/  47.1/  64.1/  81.1 : 9710.0   Apr-Sep 

.END 

.BR NWRFC 20070608 DC200706081200/DH12/QISFMZL/QISFMZM/QISFMZN 
: 
: Inflow 
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:DAM AT HUNGRY HORSE 
:HHWM8  ***A daily mean inflow crest of 21,208 cfs was observed on 05-03***  
.END 




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

.BR NWRFC 20070608 DC200706081200/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   :2133.0:2128.2/2129.8/2131.4 :   18.6   Apr-Sep 
.END 

.BR NWRFC 20070608 DC200706081200 
.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                /      /      /  13.5/  16.9/  20.3 : 1780.0   Apr-Sep 
:SNAKE RIVER NR HEISE -- FLOOD FLOW 24.5 KCFS 
:HEII1    ***A crest of 20,500 cfs or 6.9 ft was observed on 5-26***  
:SNAKE RIVER NR SHELLEY 
:SHYI1     ***A crest of 10,500 cfs or 8.2 ft was observed on 5-26***  
:SNAKE RIVER NEAR BLACKFOOT 
:BFTI1     ***A crest of 6,750 cfs or 5.1 ft was observed on 5-27***  
:SALT RIVER ABV RES NR ETNA 
:SALW4     ***A crest of 1,035 cfs or 2.8 ft was observed on 5-03***  
:TETON RIVER NEAR ST. ANTHONY 
:TEAI1     ***A crest of 1,958 cfs or 3.9 ft was observed on 5-14***  
:HENRYS FORK AT ST. ANTHONY 
:ANTI1     ***A crest of 4,300 cfs  or 5.1 ft was  observed on 4-30***  
:HENRYS FORK NEAR REXBURG 
:REXI1     ***A crest of 3,835 cfs or 6.9 ft  was  observed on 5-04***  
:PORTNEUF RIVER AT POCATELLO 
:PIHI1     ***A crest of 425 cfs or 5.9 ft was  observed on 3-27***  
:BIG LOST R@HOW'L RNCH NR CHILL 
:HWRI1     ***A crest of 1,075 cfs or 3.0 ft was  observed on 5-13*** 
:BIG WOOD RIVER AT HAILEY 
:HALI1     ***A crest of 1,090 cfs or 3.2 ft  was  observed on 5-13***  
:BRUNEAU RIVER NR HOT SPRINGS 
:HOTI1      ***A crest of 950 cfs or 6.4 ft  was  observed on 5-03***  
:PAYETTE RIVER NEAR EMMETT -- FLOOD FLOW 16 KCFS 
:EMMI1      ***A crest of 5,375 cfs or 5.7 ft was  observed on 5-21*** 
:WEISER RIVER NR WEISER 
:WSRI1      ***A crest of 1,690 cfs or 6.1 ft was  observed on 5-03***  
:SELWAY RIVER NEAR LOWELL 
:SELI1      ***A crest of 17,550 cfs  or 9.4 ft was  observed on 5-13***  
:CLEARWATER R AT OROFINO 
:ORFI1      ***A crest of 34,500 cfs or 11.5 ft was  observed on 5-13***  
:SF CLEARWATER RIVER AT STITES 
:STII1      ***A crest of 2,515 cfs or 5.0 ft  was  observed on 5-03***  
:CLEARWATER R AT SPALDING 
:SPDI1      ***A crest of 46,400 cfs or 11.4 ft was observed on 5-14***  
:MIDDLE FORK SALMON 
:MIDI1       ***A crest of 5,900 cfs or 5.2 ft was  observed on 5-14***  
:SALMON RIVER AT SALMON 
:SMNI1       ***A crest of 5,275 cfs or 4.7 ft was  observed on 5-14***  
:SALMON R AT WHITEBIRD 
:WHBI1       ***A crest of 38,400 cfs or 23.0 ft was  observed on 5-14***  
:PRIEST R NR PRIEST RIVER 
:PRTI1       ***A crest of 5,266 cfs  or 5.6 ft  was  observed on 03-27***  
:COEUR D'ALENE R AT ENAVIL TB20 
:ENVI1       ***A crest of 15,500 cfs or 68.3 ft was  observed on 03-26***  
:COEURD'ALENE RIVER AT CATALDO 
:CTLI1       ***A crest of 19,000 cfs or 42.9 ft was  observed on 03-26***  
:ST JOE R AT CALDER        TB20 
:CLDI1       ***A crest of 12,400 cfs or 10.8 ft was  observed on 03-26***  
:ST JOE R AT ST MARIES 
:SJMI1   :  32.5:  31.0/  31.5/  32.0                      : 2129.8   Apr-Jul 
.END 

.BR NWRFC 20070608 DC200706081200/DH12/QISFMZL/QISFMZM/QISFMZN 
: 
: Inflow 
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:COEUR D'ALENE LAKE 
:COEI1     ***A daily mean crest of 13,300 cfs was  observed on 05-14***  
:SNKE R ON JACKSN LK AT DM TB20 
:JLKW4     ***A daily mean crest of 6,500 cfs was  observed on 05-13***  
:BIG LOST R AT MACKAY 
MACI1       0.6/   0.9/   1.2 :   96.0   Apr-Sep 
:LITL.WOODDM&RESNRCAREY 
LWRI1       0.0/   0.3/   0.6 :   20.0   Apr-Sep 
:CASCADE DAM               TB12 
CSDI1       1.6/   3.7/   5.8 :  345.0   Apr-Sep 
:DWORSHAK DAM 
DWRI1      18.1/  28.1/  38.1 : 2190.0   Apr-Sep 
.END 

.BR NWRFC/DH12/QASFMZL/QASFMZM/QASFMZN 20070608 DC200706081200 
: 
: Natural Flow   
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:BOISE LUCKY PEAK DAM 
LUCI1       5.5/   7.4/   9.4 :  825.0   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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