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032162 P NO( I A
<br /> Return iE not delivered
<br /> UNITED STATES DEPARTMENT OF AGRICULTURE
<br /> �"• United States SOIL CONSERVATION,SERVICE
<br /> A � ), Department Dt SNOW SURVEY UNIT
<br /> a fj�.; 249E WEST 26TH AVE.
<br /> AgrICIJItUr@ - COLORADO AND DENVER,COLORADO 80211
<br /> OFFICIAL R/StNESS Soil USDA-SCS
<br /> ►ENAtry FOR"W&TE USE,570E
<br /> Conservation DENVER,COLORADO
<br /> .Service PERMIT NO.G-267
<br /> Denver,
<br /> Colorado
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<br /> eEXICO
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<br /> WATER SUPPLY OUTL 00K
<br /> STREAMFLOW FORECAST ��a�
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<br /> MARCH 1, 1985 GREEN
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<br /> -Percent of 1961 80 Average
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<br /> ' k* f The map on this page Indicates the most probable water supply as of the date of this report Estimates
<br /> r ° * s assume average conditions of snow fall precipitation
<br /> f' and other factors from this date to the end of the fore—
<br /> t _ = _- ' cast period. As the season progresses accuracy of estimates improve. In addition to expected streamflow.
<br /> reservoir storage, soil moisture In irrigated areas, and other factors are considered in estimating water sup—
<br /> Ply Estimates apply to irrigated areas along the main streams and may not Indicate conditions on small
<br /> WATER SUPPLY CONDITIONS
<br /> Date: MARCH 1, 1985 MARCH 1, 1985 .
<br /> SURFACE WATER SUPPLY INDEX
<br /> YAMPA-WHITE-N. PLATTE -- I f1PORTANT NOTICE
<br /> SOUTH PLATTE . THE PRESIDENT'S 1986 BUDGET REQUEST TO CONGRESS CALLS FOR
<br /> — `�� ��,% -•� s/ TERMINATION NAT 1 ON OF TH
<br /> © / E SNOW SURVEY AND WATER SUPPLY FORECAST ACTIVITY
<br /> - - �,• 1 LEGEND WITHIN THE U. S . SOIL CONSERVATION SERVICE FOR FISCAL POLICY
<br /> ---major rivers REASONS , IF THE PRESIDENT'S BUDGET REQUEST I S
<br /> ��,,•' F basin boundaries ENACTED BY CONGRESS
<br /> x.x Surtacewater THE SNOW SURVEY PROGRAM WILL BE ELIMINATED BY THE END OF FISCAL
<br /> ' Supply Index
<br /> SCALE YEAR 1986, THIS ACTION WOULD CONCLUDE OVER 50 YEARS OF FEDERALLY
<br /> ' COLORADO s abundant supply COORDINATED SNOW SURVEY EFFORT IN THE WESTERN U. S .'
<br /> l +2
<br /> ;, \• near normal
<br /> GUNN I SON ` -3} moderate drought
<br /> 4 severe drought
<br /> ' �; ARKANSAS extreme drought COLORADO STATEWIDE SNOWPACK STATISTICS HAVE DE
<br /> CLINED FROM LAST
<br /> -"'-'- ----`,• MONTH'S READINGS, AND IS CURRENTLY 1037 OF AVERAGE OR 79 OF LAST YEAR.
<br /> ri +�A'''•• A - THIS IS ONLY A 67 DECREASE FROM THE FEBRUARY FIRST MEASUR
<br /> RIO GRANDE �'`-�- FRONT RANGE SNOWPACK IS BELOW AVERAGE. EMENTS. ALONG THE
<br /> THE SOUTH PLATTE HAS THE LOW l EST SNOWPACK
<br /> ,�,� !,! �,••-,,��`� _OF6 IN COLORADO AT 877 OF AVERAGE FOLLOWED BY THE NORTH PLATTE, YAMPA AND ARKANSAS
<br /> �cp �•,� / RIVER BASINS AT 92%, 95%, AND 98%
<br /> a. OF AVERAGE RESPECTIVELY. EXPECTED APRIL-
<br /> �• SEPTEMBER STREAMFLOW FORECASTS ALONG THE FRONT RANGE ARE BELOW AVERAGE TO AVERAGE SAN JUAN -DOLORES t `-
<br /> WHILE THE RIO GRANDE AND SAN JUAN STREAMS RANGE FROM 10% TO 307- ABOVE AVERAGE,
<br /> RESERVOIR STORAGE 'IN THE STATES MAJOR RESERVOIRS REMAIN WELL ABOVE NORMAL. A
<br /> COLORADO MEASURE OF 67 RESERVOIRS FROM ACROSS THE STATE INDICATE CURRENT STORAGE IS 61%
<br /> ABOVE AVERAGE. ALL STREAMS THAT HAVE RESERVOIRS ON THEM SHOULD BE ABLE TO
<br /> major basin which generally expresses the potential availability of the
<br /> The Surface Water Supply Index (SWSI) is a weighted value derived for each SUPPLEMENT MOST' SHORTAGES DURING THE LATE IRRIGATION SEASON.
<br /> forthcoming season's water supply. The components used in computing the NEW MEXICO SNOWPACK CONDITIONS IN THE RIO GRANDE BASIN REMAIN
<br /> . index are reservoir storage, snowpack water equivalent, and precipitation. EXCELLENT. SNOWPACK MREASUREMENTS TAKEN NEAR THE END OF FEBRUARY
<br /> The SWSI number for each basin ranges from a -4.00 (prospective water
<br /> supplies extremely poor) to a +4.00 (prospective water supplies plentiful). _ INDI ATE 41% ABOVE AVERAGE AND 6% ABOVE LAST YEAR, THE HIGHEST SNOWPACK EXISTS
<br /> The SWSI number is only .a general indicator of surface water supply condi- IN THE PECOS RIVER WATERSHED AT 160/a OF AVERAGE,
<br /> tions. Further data analyses may be required in specific situations to more c ALAMITOS SNOW COURSE ESTAELISH
<br /> fully understand the impacts of abnormally dry or wet conditions suggested NEVI MAXIMUM ON RECORD OF 46 INCHE DEPTH AND 14.6 INCHES OF WATER FOR 256" OF
<br /> by the SWSI. Development of the SWSI has been a cooperative effort between AVERAGE. THIS BREAKS THE OLD RECORD SET IN 1983 BY 5.2 INCHES OF WATER, ALAMITO
<br /> the Colorado State Engineers' Office and the Soil Conservation Service.
<br /> SNOW COURSE IS LOCATED NORTHEWEST OF MORA AND WAS ESTABLISHED IN 1971. STREAM- •
<br /> FLOW VOLUMES ALONG THE MAIN STEM OF THE RIO GRANDE ARE FORECASTED TO PRODUCE 39%
<br /> OVE AVERAGE AT OTOWI . STATEWIDE RESERVOIR STORAGE IS 292-J OF AVERAGE. SOIL
<br /> ISTURE FROM THE IRRIGATED AREAS REPORT GENERALLY FAIR TO GOOD MOISTURE
<br /> ONDITIONS.
<br /> " The Conserratio►t of Water begins icith the Snow Snrrev"
<br /> USDA KS"Tuw OR INI
<br />
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