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 
: Monday June 26, 2006 at 17:33 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 20060621 DC200606211200 
.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 2,660 cfs or 8.56 ft was observed on 04-07***    
:SNAKE RIVER NR ANATONE 
:ANAW1         ***A crest of 145,720 cfs or 19.56 ft observed on 05-21*** 
:ALBENI FALLS DAM -- FLOOD FLOW 100 KCFS 
:ALFW1         ***A crest of 89,200 cfs was observed on 05-27***    
:KETTLE RIVER AT LAURIER 
:LAUW1         ***A crest of 30,340 cfs or 15.74 ft was observed on 05-22***  
:COLVILLE RIV AT KETTLE FALLS 
:KTFW1         ***A crest of 1,980 cfs or 8.21 ft was observed on 04-16***     
:SPOKANE RIVER AT SPOKANE 
:SPOW1         ***A crest of 20,050 cfs or 24.66 ft was observed on 04-19*** 
:SIMILKAMEEN RIV NR HEDLEY 
:SMKQ2         ***A crest of 14,870 cfs or 12.60 ft was observed on 05-19*** 
:SIMILKAMEEN RIV NR NIGHTHAWK 
:NITW1         ***A crest of 16,290 cfs of 11.69 ft was observed on 05-20***  
:OKANOGAN RIVER NEAR TONASKET 
:TONW1         ***A crest of 16,999 cfs of 14.10 ft was observed on 05-22*** 
:METHOW R NEAR PATEROS 
:PATW1         ***A crest of 20,780 cfs or 10.63 ft was observed on 05-19*** 
:WENATCHEE R AT PESHASTIN  TB20 
:PESW1         ***A crest of 21,230 cfs or 12.26 ft was observed on 05-19*** 
:COLUMBIA BL PRIEST RAPIDS DAM 
:PRDW1         ***A crest of 287,610 cfs or 26.65 ft was observed on 05-28*** 
:YAKIMA RIVER AT CLE ELUM 
:YUMW1         ***A crest of 3,000 cfs or 6.79 ft was observed on 06-15*** 
:NACHES RIVER NEAR NACHES 
:NACW1         ***A crest of 9,340 cfs or 17.85 ft was observed on 05-21*** 
:YAKIMA RIVER NEAR PARKER 
:PARW1         ***A crest of 12,080 cfs or 8.25 ft was observed on 05-19*** 
:YAKIMA RIVER AT KIONA 
:KIOW1         ***A crest of 11,280 cfs or 10.40 ft was observed on 05-20*** 
:WALLA WALLA RIV NEAR TOUCHET 
:TCHW1         ***A crest of 5,400 cfs or 11.19 ft was observed on 04-06*** 
:COWLITZ R AT CASTLE ROCK  TB20 
:CASW1         ***A crest of 9,460 cfs or 33.72 ft was observed on 06-02*** 
:SKAGIT RIVER NR CONCRETE 
:CONW1         ***A crest of 42,630 cfs or 24.42 ft was observed on 05-18*** 
:SKAGIT R NR MT VERNON 
:MVEW1         ***A crest of 38,480 cfs or 21.79 ft was observed on 05-18*** 
:COLUMBIA R AT VANCOUVER 
:VANW1         ***A crest of 402,765 cfs or 13.01 ft was observed on 05-30*** 
.END 

.BR NWRFC 20060621 DC200606211200/DH12 /QISFMZL/QISFMZM/QISFMZN 
: 
: Inflow 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:LOWER GRANITE DAM 
:LGDW1        ***A crest of 192,100 cfs daily mean inflow was observed on 05-22*** 
:CHELAN RIVER AT CHELAN 
CHLW1      11.1/  13.4/  15.7 : 1230.0   Apr-Sep 
.END 

.BR NWRFC 20060621 DC200606211200/DH12 /QASFMZL/QASFMZM/QASFMZN 
: 
: Unregulated flow 
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:COLUMBIA BL PRIEST RAPIDS DAM 
PRDW1     353.5/ 403.5/ 453.5 :67000.0   Apr-Aug 
.END 




:***** Oregon ****************************************************************** 
:          
.BR NWRFC 20060621 DC200606211200 
.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 ***A crest of 3,790 cfs or 5.61 ft was observed on 05-21*** 
: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 8.76 feet or 14,293 cfs observed on 05-21*** 
: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 ***A crest of 12,010 cfs or 9.69 ft was observed on 04-06***  
:THE DALLES 
:TDAO3  ***A crest of 446,000 cfs was observed on 05-29*** 
:WILLAMETTE R AT MORRISON BRDG 
:PRTO3  ***A crest of 12.87 feet was observed on 05-30***  
.END 



:***** Montana **************************************************************** 
:          
.BR NWRFC 20060621 DC200606211200 
.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 7.90 ft was observed on 05-21***          
:BLACKFOOT R NR BONNER 
:BONM8   ***A crest of 8,340 cfs or 7.54 ft was observed on 05-20***          
:CLARK FORK AB MISSOULA 
:ABOM8   ***A crest of 12,890 cfs or 8.43 ft was observed on 05-20*** 
:BITTERROOT R NR DARBY 
:DARM8   ***A crest of 7,850 cfs or 7.30 ft was observed on 05-20*** 
:BITTERROOT R NR MISSOULA 
:BITM8   ***A crest of 17,470 cfs or 11.22 ft was observed on 05-21***   
:CLARK FORK BELOW MISSOULA 
:BELM8   ***A crest of 31,538 cfs or 9.21 ft was observed on 05-21***                 
:CLARK FORK AT ST REGIS    TB20 
:SRGM8   ***A crest of 39,597 or 15.58 ft was observed on 05-22*** 
:MF FLATHEAD NR WEST GLACIER 
:WGCM8   ***A crest of 22,470 cfs or 9.08 ft was observed on 06-16*** 
:NF FLATHEAD R NR COLUMBIA FALL 
:FCFM8   ***A crest of 21,640 cfs or 10.0 ft was observed on 05-20*** 
:FLATHEAD R AT COLUMBIA FALLS 
:CFMM8   ***A crest of 47,032 cfs or 13.41 ft was observed on 06-16*** 
:CLARK FORK RIVER NEAR PLAINS 
:PLNM8   ***A crest of 75,180 cfs or 13.60 ft was observed on 05-22***        
.END 

.BR NWRFC 20060621 DC200606211200/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 29,760 cfs was observed on 05-20*** 
.END 




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

.BR NWRFC 20060621 DC200606211200/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:  62.2/  62.5/  63.0 :       
:COEUR D'ALENE LAKE 
COEI1   :2133.0:2129.4/2131.0/2132.6 :   23.5   Apr-Sep 
.END 

.BR NWRFC 20060621 DC200606211200 
.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                /      /      /  16.3/  19.7/  23.1 : 3180.0   Apr-Sep 
:SNAKE RIVER NR HEISE -- FLOOD FLOW 24.5 KCFS 
:HEII1  ***A crest of 20,400 cfs or 6.95 ft was observed on 06-17***             
:SNAKE RIVER NR SHELLEY 
:SHYI1  ***A crest of 21,450 cfs or 11.10 ft was observed on 05-03***                
:SNAKE RIVER NEAR BLACKFOOT 
:BFTI1  ***A crest of 20,350 cfs or 9.87 ft was observed on 05-04***           
:SALT RIVER ABV RES NR ETNA 
:SALW4  ***A crest of 3,560 cfs or 5.18 ft was observed on 04-17***           
:TETON RIVER NEAR ST. ANTHONY 
:TEAI1  ***A crest of 4,840 cfs or 17.36 ft was observed on 05-23***             
:HENRYS FORK AT ST. ANTHONY 
:ANTI1  ***A crest of 7,680 cfs or 6.46 ft was observed on 05-09***           
:HENRYS FORK NEAR REXBURG 
:REXI1  ***A crest of 9,570 cfs or 10.33 ft was observed on 05-23***          
:PORTNEUF RIVER AT POCATELLO 
:PIHI1  ***A crest of 1,570 cfs or 11.01 ft was observed on 05-02***             
:BIG LOST R@HOW'L RNCH NR CHILL 
:HWRI1  ***A crest of 5,700 cfs or 6.0 ft was observed on 06-08***             
:BIG WOOD RIVER AT HAILEY 
:HALI1  ***A crest of 6,210 cfs or 7.16 ft was observed on 05-23***           
:BRUNEAU RIVER NR HOT SPRINGS 
:HOTI1  ***A crest of 3,290 cfs or 9.07 ft was observed on 04-06***           
:PAYETTE RIVER NEAR EMMETT -- FLOOD FLOW 16 KCFS 
:EMMI1  ***A crest of 16,740 cfs or 10.83 ft was observed on 05-01***             
:WEISER RIVER NR WEISER 
:WSRI1  ***A crest of 17,140 cfs or 11.80 ft was observed on 04-05***         
:SELWAY RIVER NEAR LOWELL 
:SELI1  ***A crest of 33,230 cfs or 12.50 ft was observed on 05-20***          
:CLEARWATER R AT OROFINO 
:ORFI1  ***A crest of 60,880 cfs or 15.30 ft was observed on 05-20***         
:SF CLEARWATER RIVER AT STITES 
:STII1  ***A crest of 4,120 cfs or 5.84 ft was observed on 04-06***           
:CLEARWATER R AT SPALDING 
:SPDI1  ***A crest of 66,155 cfs or 13.67 ft was observed on 05-20*** 
:MIDDLE FORK SALMON 
:MIDI1  ***A crest of 17,020 cfs or 8.95 ft was observed on 05-21***          
:SALMON RIVER AT SALMON 
:SMNI1  ***A crest of 14,950 cfs or 7.75 ft was observed on 05-22***          
:SALMON R AT WHITEBIRD 
:WHBI1  ***A crest of 93,750 cfs or 31.52 ft was observed on 05-21***         
:PRIEST R NR PRIEST RIVER 
:PRTI1  ***A crest of 8,480 cfs or 7.78 ft was observed on 05-24***           
: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 11.48 feet or 14,290cfs observed on 05-19***                 
:ST JOE R AT ST MARIES 
:SJMI1  ***A crest of 31.48 feet was observed on on 05-21***             
.END 

.BR NWRFC 20060621 DC200606211200/DH12/QISFMZL/QISFMZM/QISFMZN 
: 
: Inflow 
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:COEUR D'ALENE LAKE 
:COEI1  ***A daily mean crest of 21,500 cfs was observed on 05-21*** 
:SNKE R ON JACKSN LK AT DM TB20 
:JLKW4  ***A daily mean crest of 11,062 cfs was observed on 05-20*** 
:BIG LOST R AT MACKAY 
MACI1       2.3/   2.6/   2.9 :  275.0   Apr-Sep 
:LITL.WOODDM&RESNRCAREY 
LWRI1       1.4/   1.7/   2.0 :  181.0   Apr-Sep 
:CASCADE DAM               TB12 
CSDI1       4.1/   6.2/   8.3 :  735.0   Apr-Sep 
:DWORSHAK DAM 
DWRI1      24.4/  34.4/  44.4 : 2970.0   Apr-Sep 
.END 

.BR NWRFC/DH12/QASFMZL/QASFMZM/QASFMZN 20060621 DC200606211200 
: 
: Natural Flow   
: 
:             Flow in Kcfs         Forecast 
:          ------------------   ---------------- 
:           low    mid   high   volume    period 
: 
:BOISE LUCKY PEAK DAM 
:LUCI1  ***Model derived inflow of 22,588 cfs was reported on 05-20***  
.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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