HYDROLOGIC OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 1145 AM MST FEB 12 2007
...WATER SUPPLY OUTLOOK...NATIONAL WEATHER SERVICE/NATURAL RESOURCES CONSERVATION SERVICE STREAMFLOW FORECASTS FOR WESTERN AND CENTRAL WYOMING AS OF FEBRUARY 2007...
.JANUARY PRECIPITATION ALONG MANY OF THE MAJOR WATERSHEDS ACROSS CENTRAL AND WESTERN WYOMING WAS BELOW TO MUCH BELOW AVERAGE. THE ONLY EXCEPTION WAS THE WIND AND TONGUE BASINS--WHERE PRECIPITATION TOTALS WERE NEAR TO JUST ABOVE NORMAL.
.SNOW WATER EQUIVALENTS (SWES) IN THE WESTERN AND CENTRAL WYOMING MOUNTAIN SNOWPACK REMAINED 70 TO 80 PERCENT OF NORMAL THROUGHOUT JANUARY.
.SNOWMELT STREAMFLOW VOLUMES ARE EXPECTED TO BE BELOW NORMAL ACROSS A MAJORITY OF WATERSHEDS IN WESTERN AND CENTRAL WYOMING.
THE FOLLOWING ARE PRELIMINARY STREAMFLOW VOLUME FORECASTS FOR SELECTED POINTS:
MOST PROBABLE FORECAST VOLUME PERCENT STREAM AND STATION PERIOD 1000 AF OF AVG __________________________________ ______ _______ _______
GREEN RIVER NR DANIEL, AT WARREN BRIDGE APR-SEP 205 77 PINE CREEK ABV FREMONT LAKE APR-SEP 82 79 NEW FORK RIVER NR BIG PINEY APR-SEP 280 71 GREEN RIVER FONTENELLE RESERVOIR,NR FONTENELLE APR-SEP 585 68 BIG SANDY RIVER NR FARSON APR-SEP 40 69 GREEN RIVER NR GREEN RIVER APR-SEP 595 68 HAMS FORK RIVER BLO POLE CREEK, NR FRONTIER APR-SEP 40 62 VIVA NAUGHTON RESERVOIR APR-SEP 58 65 SMITHS FORK RIVER NR BORDER APR-SEP 78 65 YELLOWSTONE RIVER YELLOWSTONE LAKE OUTLET APR-SEP 645 80 WIND RIVER BOYSEN RESERVOIR INFLOW APR-SEP 525 65 BIG HORN RIVER NR KANE APR-SEP 775 70 GREYBULL RIVER NR MEETEETSE APR-SEP 120 60 SHELL CREEK NR SHELL APR-SEP 54 75 SHOSHONE RIVER BUFFALO BILL RESERVOIR INFLOW APR-SEP 630 78 ROCK CREEK NR BUFFALO APR-SEP 13.2 55 NORTH FORK POWDER RIVER NR HAZELTON APR-SEP 7.3 70 SWEETWATER RIVER NR ALCOVA APR-SEP 49 61 SNAKE RIVER JACKSON LAKE INFLOW APR-SEP 725 80 GREYS RIVER ABV PALISADES RESERVOIR, NR ALPINE APR-SEP 285 72 SALT RIVER NR ETNA APR-SEP 290 69
ABBREVIATIONS USED: ABV = ABOVE BLO = BELOW NR = NEAR
***ASSUMPTIONS***
THESE FORECAST VOLUMES REFLECT FULL NATURAL FLOW. ACTUAL OBSERVED FLOW WILL LIKELY BE AFFECTED BY UPSTREAM WATER MANAGEMENT.
ALL AVERAGES ARE FOR THE PERIOD 1971 THROUGH 2000 THIS OUTLOOK IS BASED ON RECENT OBSERVATIONS OF SNOWPACK AND ASSUMES NORMAL PRECIPITATION FOR THE REMAINDER OF THE SNOW SEASON. IF THE ACTUAL OBSERVED PRECIPITATION DEVIATES FROM THE NORMAL...THEN THE ACTUAL OBSERVED RUNOFF WILL LIKELY BE DIFFERENT THAN THE FORECASTS IN THIS OUTLOOK. THIS PRODUCT IS ISSUED MONTHLY BEGINNING IN JANUARY WITH THE FINAL OUTLOOK ISSUED IN JUNE. EACH MONTH THIS OUTLOOK IS UPDATED TO REASSESS THE SITUATION BASED ON THE LATEST DATA.
USERS OF THIS REPORT ARE ENCOURAGED TO CONTACT THE NATIONAL WEATHER SERVICE IN RIVERTON, WYOMING FOR CONTINUED UPDATES ON THE WATER SUPPLY SITUATION. HYDROMETEOROLOGICAL CONDITIONS COULD DEVELOP THAT WOULD HAVE A SIGNIFICANT IMPACT ON THE CURRENT WATER SUPPLY FORECAST.
THIS MESSAGE IS THE RESULT OF THE COORDINATED ACTIVITY BETWEEN THE NATIONAL WEATHER SERVICE AND THE NATURAL RESOURCE CONSERVATION SERVICE. PROJECTED RESERVOIR INFLOW FORECASTS HAVE BEEN COORDINATED WITH THE U.S. BUREAU OF RECLAMATION.
FOR A GRAPHICAL REPRESENTATION OF THIS PRODUCT, VISIT THE RIVERTON HYDROLOGY HOME PAGE AT...
http://www.crh.noaa.gov/riw/hydro/water.php
FOR ADDITIONAL HYDROLOGIC PRODUCTS AVAILABLE ON THE INTERNET, VISIT THE RIVERTON HYDROLOGIC HOMEPAGE AT...
http://www.crh.noaa.gov/ahps2/index.php?wfo=riw
JTFAHEY