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<br />" <br /> <br />O()1l1l48 <br /> <br />~ <br />'=.~ <br /> <br />~ ell...... <br />~'-..=o. <br /> <br />EI Nino: El Nino conditions weakened in the <br />last month, but are still significant, both in sea <br />surface temperatures (shown) and atmospheric <br />indices. These conditions, along with warm SSTs <br />in the Caribbean, should continue to influence <br />conditions over the western U.s. in the spring. <br />(http://www.cdc.noaa.gov/map/sstJ <br />sst.anom.monthly.gill <br />Additional information on ocean temperature <br />and wind conditions and anomalies along with <br />links to other El Nino information can be <br />found at http://www.pmel.noaa.gov/tao. <br /> <br /> <br />10 <br />, 'r;r\ <br />'.... 1'So1'la18rd. <br />~P~'i <br />-"'\; <br />~ <br />t <br />'l'l!i;'r"m ~. <br />l1im.ftl$: <br />lomfl'flher <br /> <br />\ <br /> <br />~~['~AD~ AS~;~!~~ t~.:\ ~~~DAA~~\i'.p <br />~~~ M~~I\.!",lIIA01.,J ~ W'ATH'ASEAVCE f! <br />u~b: T~I5'UAR21.2003',,, ......cOMPOSfTE /\ <br /> <br />Paleoclimate Perspective: Tree rings in the <br />Gunnison Basin can be used to reconstruct <br />records of hydrologic variability for up to the <br />past 600 years. The tree ring chronology for <br />1430-2000 A.D. from trees, in the Lower <br />Gunnison basin are closely correlated with <br />the annual natural flows at the Whitewater <br />gage over the last 90 years. The tree ring data <br />suggest intervals of extended drought are <br />common during the pre-instrumental period. <br /> <br />Updated March 25, 2003 <br /> <br />RU'N <br /> <br /> <br />60'N <br /> <br />;ll)'N <br /> <br />o' <br /> <br />300S <br /> <br />600S - <br /> <br />RO.S- <br />o' <br /> <br />60"E <br /> <br />120'E <br /> <br />180' <br /> <br />120'W <br /> <br />6()'" <br /> <br />0' <br /> <br />SST ANOH 2123/;13- 31221~3 <br /> <br />...............,.II"L ."............ <br /> <br />Bu. p.rlod. lQ6;;:-Qt) <br /> <br />Near-term Outlook: The NOAA National Weather Service <br />two.week outlook. the Hazards Assessment, sees heavy snows <br />likely in the central and northern Colorado mountains for <br />March 28-29.These snows will contribute to snowpack that is <br />approaching average for this time of year. However, longterm <br />drought is expected to persist for the Upper Colorado region <br />and southwestern U.s. long term drought is likely to persist. <br />This product is updated weekly on Tuesday, at http://www. <br />cpc.ncep.noaa.gov/produc tS/expercassessmentlthreats.html, <br />For the latest NWS weather forecasts for western Colorado, <br />see http://www.crh,noaa.gov/gjt. Snowpack information is <br />available from: http://www.co_nrcs.usda.gov/snow/dailydata.htm <br /> <br />2 <br /> <br />. <br />. <br />~ 1.5 <br />< <br />'is <br />" <br />g'0.5 <br />. <br /> <br /> <br />o <br />1200 <br /> <br />1400 <br /> <br />1600 <br />Year <br /> <br />1800 <br /> <br />2000 <br /> <br />" 2 <br />. <br />~ <br />~ 1 <br />g 0 <br />, <br />" <br />'i .1 <br />, <br />. <br />. <br />. .2 <br /> <br /> <br />1.8 <br /> <br />~ <br />,. <br />1.21Q <br />~ <br />~ <br />067 <br />;; <br />. <br />. <br />. <br /> <br />Gunnl.onn .. <br />Gund Junclion G_\l. <br /> <br />o <br />1990 <br /> <br />1910 <br /> <br />1930 1950 <br />Year <br /> <br />1970 <br /> <br />CDC Is a NOAA Research lab with the mission to identify the nature and causes for climate variations on limescale5 from a month 10 centuries,such as <br />major droughts and floods over the continental US and the associated with EI Nino, and 10 develop the ability to predict them. http://www.cdcnoaa.gov <br />For more information, seethe above NOAA web--DdQes,or contact Andrea Ray, NOAA Climate DiaQnostlcs Center.303-497-6434,or andrea.ray@noa<l.qov <br />