"Its always good to plan for the worst, right? SW Water Vapor, Accessibility of Launch Ramps, Primitive Launches and Other Sites Water managers, who . 2022, a day after Southern California delared a water . Water supply forecast volumes decreased across most of the region, Moser said during the webinar. n$L{Z. To view the 2023 progession of snowpack above Lake Powell, click on Lake Powell Snow Chart. Close Become a member Login My Account Logout Search for:Search News Education Health Coloradans Equity Sun Investigation Crime and Courts Culture Sports average basin temperatures and precipitation for the forecast period. System emergencies occur fairly infrequently and typically require small responses from Glen Canyon Dam. So, it takes awhile to fill and it takes awhile to empty.". google_ad_client = "pub-0146338466817273"; google_color_border = "FFFFFF"; Lake Powells water levels plummeted in early 2005, according to the U.S. Department of the Interior Bureau of Reclamation. SW Satellite Weather Sunday, February 26, 2023 12:00:00 AM Level is 178.87 feet The northwestern side branch of Lake Powell remained cut off from the rest of the reservoir. monthly forecasts become more accurate. The lake level began to rebound; only the 2008 image appeared to deviate from the trend toward rising water levels. Correction: This article has been corrected to indicate that Lake Powell began filling 59 years ago, not 60 years, as the original article stated. To view the current inflow forecast relative to past inflows, click on Lake Powell Inflow Forecast. But it is concerning. Even in low emission climate scenarios (forecasts that are based on the assumption that future carbon dioxide emissions will increase relatively slowly), models predict precipitation may decline by 20-25 percent over most of California, southern Nevada, and Arizona by the end of this century. The grim forecast comes as water officials race to bolster Lake Powell's water levels. Detailed Map of Powell (At normal water levels, both rivers are essentially part of the reservoir.) The unregulated inflow during the 2000-2022 period has ranged from a low of 2.64 maf (28 percent of average) in water year 2002 to a high of 15.97 maf (166 percent of average) in water year 2011. Jerd Smith is editor of Fresh Water News. This 2022 Plan is described above and available for review here: https://www.usbr.gov/dcp/droa.html. But the region is battling a multidecade drought with rain harder to come by. Consistent with Section 6.D.1 of the Interim Guidelines, Lake Powells operations in water year 2023 are governed by the Lower Elevation Balancing Tier (LEBT) with an initial projected water year release volume of 7.00 maf. Some Arizona cities have implemented drought management plans to conserve water, but the area continues to use water at a rate that negates Lake Powell's recovery. This article contains new, firsthand information uncovered by its reporter(s). 0
The most probable inflow scenario reflects a median hydrologic condition which statistically would be exceeded 50 percent of the time. Antelope Point Marina on Feb. 3, 2022, in the Glen Canyon National Recreation Area near Page. This includes directly interviewing sources and research / analysis of primary source documents. 192 0 obj
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Committee on the Scientific Bases of Colorado River Basin Water Management, National Research Council. Cheap sewer pipe repairs can push toxic fumes into homes and schools heres Hard water: In these metro neighborhoods, few drink the tap water. The Bureau of Reclamation's most recent projections show Lake Mead dropping to 1,033.4 feet in elevation by the end of 2023, about 14 feet lower than the reservoir's current level. Reclamation will continue to carefully monitor hydrologic and operational conditions and assess the need for additional responsive actions and/or changes to operations. endstream
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Today is day 151 of 365 for the Water Year 2023. Gas Prices on Lake Official Glen Canyon National Recreation Area Changing Lake Levels Info. Forecasts are calling for 4.1 million acre-feet of water to flow into Lake Powell from April to July this year, but water managers are obligated to release more than 7 million acre-feet out of the lake. From there, a swing to the northeast delivers boats into Lake Powell's main artery. The end of January elevation and storage of Lake Powell were 3,523.45 feet (177 feet from full pool) and 5.45 million acre-feet (maf) (23 percent of live capacity), respectively. By Anna Skinner On 1/18/23 at 4:42 PM EST. U.S. Department of the Interior Bureau of Reclamation. Under the current most probable forecast, the total water year 2023 unregulated inflow to Lake Powell is projected to be 10.44 maf (109 percent of average). The drop in the power forecast comes as Upper Colorado River Basin states of Colorado, New Mexico, Utah and Wyoming prepare to finalize a new drought operations plan for the giant river system. google_color_bg = "FFFFFF"; Low water effects to launch ramps and services top Lake Powell Elevation (05/18/2022) 3526.05 ft Stay in the know! Antelope Point Launch Ramp Bullfrog Main Launch Ramp She also sits on the Upper Colorado River Commission. The most recent data is from Monday, February 27th, 2023. Water Summary Today is day 136 of 365 for the Water Year 2023. That spring runoff is critical to irrigated agriculture, domestic water supplies, and the recreation industry in Colorado and the West. LAKE POWELL, Utah Lake Powell water levels continue to drop, and a new report released by the Bureau of Reclamation projects the possibility America's . She can be reached at 720-398-6474, via email atjerd@wateredco.orgor @jerd_smith. Despite those releases, Powell dropped below 3,525 last month, hitting 3,523, another historic drought landmark. SW Water Vapor, Accessibility of Launch Ramps, Primitive Launches and Other Sites Specifically, Reclamation modeled operations in WY 2023 as follows in the August and September 24-Month Studies: In accordance with the May 3rd Letter, consistent with the provisions of the 2007 Interim Guidelines, and to preserve the benefits to Glen Canyon Dam facilities from 2022 Operations into 2023 and 2024, Reclamation will consult with the Basin States on monthly and annual operations. The unregulated inflow volume to Lake Powell during January was 361 thousand acre-feet (kaf) (107 percent of average). Wednesday snow and wind will be heavy at times leading to difficult if not impossible travel. Upper Colorado River Basin regularly experiences significant year to year hydrologic variability. Lake Powell is so low that it is nearing a dead pool, in which water levels aren't high enough to deliver water downstream. The reduction of releases from Lake Powell from 7.48 maf to 7.00 maf in water year 2022 resulted in a reduced release volume of 0.480 maf that normally would have been released from Glen Canyon Dam to Lake Mead as part of the 7.48 maf annual release volume, consistent with operations under the 2007 Interim Guidelines. The forecast is changing daily and there are still a lot of variables, said Lisa Meiman, a spokeswoman for WAPA. Lake Mead was at elevation 1,064.30 ft. with storage of 8.753 maf or 34 percent of capacity. Sunlight brightens plateaus and southeast-facing slopes, casting shadows on the northern and western faces of the rugged landscape. We are 37% through the Water Year. Federal and state water managers have watched the water level in Lake Powell closely this year. For additional information, see the following news release: https://www.usbr.gov/newsroom/#/news-release/4196. On Tuesday, the lake fell below 3,525 feet above sea level, a key target elevation that water managers have been trying to keep Powell above because it provides a buffer from the minimum level at which Glen Canyon Dam can generate power. That projection is about 12 feet higher than the 2023 end-of-year mark in the bureau's forecast from December. Part of the Glen Canyon Conservancy Family, Utah D.O.T Charles Hall Ferry for UT Route 276. "As a result of this update, the median water year 2022 inflow forecast into Lake Powell decreased by 800,000 acre-feet," USBR stated in a press release distributed Thursday. The Colorado River flows in from the east around Mille Crag Bend and is swallowed by the lake. That reference period is updated once a decade; it now begins in the 1990s. (2019-2021) AND my own personal prediction of 2022 based on p. %%EOF
Another 480 kaf will be left in Lake Powell by reducing Glen Canyon Dams annual release volume from 7.48 maf to 7.0 maf, as outlined in the 2007 Interim Guidelines that control operations of Glen Canyon Dam and Hoover Dam. //-->, Printable Version The lake is set to reach. The Colorado River flows from the Rocky Mountains in Colorado through the southwestern United States. Click for . Lake Powell has fallen victim to excessive water use as a 20-year drought parches the region. The model is based on weather conditions over a thirty-year span. The annual release volume from Lake Powell during water year 2023 will be 7.77 maf under the Lower Elevation Balancing Tier and will balance the contents between Powell and Mead with annual release volumes from Glen Canyon Dam between 7.00 maf and 9.50 maf as determined under Section 6.D.1 and 7.D of the Interim Guidelines as determined by the Department of the Interior as described above. A Tier 3 shortage would impact the amount of . Reclamation will also ensure all appropriate consultation with Basin Tribes, the Republic of Mexico, other federal agencies, water users and non-governmental organizations with respect to implementation of these monthly and annual operations. Lake Powell water level at Wahweap Marina in September 2021 | Photo by Bureau of Reclamation, St. George News . 15 Day Weather Forecast google_ad_channel ="2397569894"; Water availability, appropriate timing of releases, and impacts on other resources are all being considered as the 2022 Plan is being drafted.. Lake Powell has several launch ramps along its 186-mile length. Reclamation will continue to consult with the Basin States, Basin Tribes, the Republic of Mexico and other partners on Colorado River operations to consider and determine whether additional measures should be taken to further enhance the preservation of these benefits, as well as recovery protocols, including those of future protective measures for both Lakes Powell and Mead. In water year 2021 unregulated inflow volume to Lake Powell was 3.50 maf (36 percent of average), the second driest year on record above 2002. KNAU's Melissa Sevigny reports. As of Tuesday, February 28th, 2023 where elevation was 3521.04', Copyright Summit Technologies, Inc.1999 - 2023Site Views Today: 0Page Views Today: 0, The 28 tracked reservoirs above Lake Powell are currently at 58.69% of capacity. The DROA coordination will continue until either (i) the minimum probable projected elevation remains above 3,525 feet for 24 months or (ii) the process moves to the next step when the most probable projected elevation indicates Powell elevations below 3,525 feet and a Drought Response Operations Plan is developed. But in a statement, she said, The Upper Basin States are working collaboratively with the Bureau of Reclamation to draft a 2022 Drought Response Operations Plan outlining potential releases from Upper Basin reservoirs in an effort to protect critical elevations at Lake Powell. The critical issue is how to maintain the lake at 3,525, which marks an elevation that is the top of the liquid buffer zone designed to protect the lakes mighty electricity turbines. Drop us a note at tips@coloradosun.com. google_color_bg = "FFFFFF"; According to Jay Lund, vice director for the Center for Watershed Sciences and a professor at the University of California, the long-term average use in the lower Colorado River Basin exceeds the long-term flow of water, meaning the only solution is to "substantially reduce water use" in the basin. google_ad_channel ="2397569894"; google_ad_width = 160; Upper Colorado Region Water Operations: Current Status: Lake Powell, Spring Snow Brings Moisture to Colorado Front Range, NASA Goddard Space 8_9dyB`n`` +30|@,6a # Across most of the streams and rivers of the Upper Basin, forecasted runoff ranges from very poor (50% of average) to mediocre (80% of average).. Human actions created the Salton Sea, Californias largest lake heres Scientists studying water supply focus on weeks following peak snowpack. @) .=] j Bvq2 4=B4[YCO@p/e`5[ #("A3?M|Cd(Jje(B_il:.\7m=.{CZ&&q5O}NOB6jGptUEN1Dh'6dW30oLqmt1W#F/qy<5aJ5
LuQmB(JD'4z`9q#v k[ T CNN's Bill Weir has more. The February forecast for water year 2023 ranges from a minimum probable of 8.37 maf (87 percent of average) to a January forecasted maximum probable of 14.93 maf (155 percent of average) with the most probable forecast for water year 2023 of 10.44 maf (109 percent of average). An initiative of the Center for Environmental Journalism at the University of Colorado Boulder. Her work has appeared nationally on NPR and been featured on Science Friday. Lake Powell, Printable Version . A powerful winter storm will enter AZ early Tuesday night with rain and snow showers increasing across the region after midnight. A 59% flow into Powell translates to about 3.8 million acre-feet. Winter Storm Warnings are in effect for elevations above 4000.Heavy accumulations of 10-20 are forecast above 6000, 3-8 to 4500 and several inches to valley floors. Melissa joined KNAU's team in 2015 to report on science, health, and the environment. The grim forecast comes as water officials race to bolster Lake Powells water levels. google_color_text = "000000"; The final NOAA forecast for the season predicts the amount of water to reach Lake Powell this year to be about 60% of average. Lund said he expects water use in the basin to have "capped out," but the reservoir can't continue to supply water at the pace in which the area consumes it. Lake Powell was at 26% of capacity, 168 feet below its full elevation of 3,700 feet above sea level at . google_color_link = "0000FF"; Electricity produced at Lake Powells Glen Canyon Dam, which serves some 50 Colorado utilities, and dozens of others in the Colorado River Basin, has been cut in half by the 20-year drought, with power levels over the next two years projected to be 47% lower than normal, according to the U.S. Bureau of Reclamation. Lake Mead's water levels . Click below for water level and accessibity updates about the launch ramps and services near you. Water levels in Narrow Canyon had dropped enough to show canyon floor features not visible in earlier images. In January, following the wet December Moser noted, the NOAA forecast called for 98% of the 30-year average to reach Powell. If you have feedback on content, format, or publication frequency, please contact us. She reported that, as of March 16, 2022, Lake Powell was at an elevation of 3,524.83 feet (ft.) with storage of 5.916 million acre-feet (maf) or 24 percent of capacity. The Colorado Sun is a journalist-owned, award-winning news outlet based in Denver that strives to cover all of Colorado so that our state our community can better understand itself. Under a Drought Contingency Plan adopted in 2019, approximately 500 thousand acre-feet (kaf) of water will come from Flaming Gorge Reservoir, located approximately 455 river miles upstream of Lake Powell. Among the dams on the Colorado is Arizonas Glen Canyon Dam, which creates Lake Powell. These projections are critical for planning for an increasingly dry future in the Colorado River Basin, but a new paper from Utah State University says the model may still underestimate the risk. Previous forecasts showed this was possible and the Bureau of Reclamation announced on March 4 that a . Updated: 10:18 PM MDT April 26, 2022 DENVER Lake Powell, on the Utah-Arizona state line, is part of a river system that supplies water to 40 million people. The water level in Lake Powell was at a record low when rain and snow began to fall across the Colorado River Basin in October, soaking dry soils ahead of the winter season. The Upper Basin reservoirs have already provided 161,000 acre-feet of water pursuant to the imminent need provision of the Drought Response Operations Agreement, including 36,000 acre-feet from Blue Mesa Reservoir in Colorado. google_ad_format = "160x600_as"; Because the 2022 operations were designed to protect critical elevations at Lake Powell, Reclamation will implement Lower Elevation Balancing Tier operations in a way that continues to protect these critical elevations, or preserves the benefits of the 2022 operations to protect Lake Powell, in water year 2023. The system is appreciated for the water it supplies, but criticized for the environmental problems and cultural losses that have resulted from its creation. These instantaneous release adjustments stabilize the electrical generation and transmission system and translate to a range of about 1,300 cfs above or below the hourly scheduled release rate. Its not a hypothetical situation anymore.. The probable maximum inflow scenario reflects a wet hydrologic condition which statistically would be exceeded 10 percent of the time. It wasnt just the Powell number that dipped, although the amount of runoff that makes its way to Powell each year is considered a good barometer for conditions basinwide. Climate change also plays a part. The deep, narrow, meandering reservoir extends upstream into southern Utah. Together with the release of more water into Lake Powell from an upstream dam, the decision will keep the lake at a level at which it can continue generating hydropower for the next 12 months. The declines were first apparent in the side canyons feeding the reservoir which thinned and then shortened. About 40 million people rely on the Colorado River for domestic use and farmers and ranchers use water from the river to irrigate more than 3 million acres of farmland. By Leia Larsen. A Colorado River flows drop and tensions rise, water interests struggle Can the Ancient Humpback Chub Hang On in Todays Grand Canyon? The grim forecast comes as water officials race to bolster Lake Powell's water levels. An acre-foot is the amount of water needed to fill one acre of land to a height of one foot. The modeling approach for WY 2023 will apply to 2024. google_ad_height = 600; Based on current inflow forecasts, the current projected end of water year 2023 total Colorado Basin reservoir storage is approximately 20.93 maf (36 percent of total system capacity). Scientists say the current drought is the driest on record in the last twelve hundred years. Hydrologists recently updated the model that forecasts the level of Lake Powell. What's the weather forecast for 2050? %PDF-1.7
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Get the most up to date information on Lake Powell's water levels and the status of launch ramps from the Bureau of Reclamation, National Park Service, and more with the links and pages below. A century of river flow records combined with an additional four to five centuries of tree-ring data show that the droughts over the past two decades were not unusual; longer and more severe droughts are a regular part of the climate variability in that part of the continent. At the beginning of the series in 1999, water levels in Lake Powell were relatively high, and the water was a clear, dark blue. In July 2022, the lake reached a historic low of 1,040 feet above sea level. As of September 20, 2021, the water elevation at Glen Canyon Dam was 3,546.93 feet, more than 153 feet below "full pool" (elevation 3,700 feet). The forecast estimated that the amount of water that will flow into Lake Powell this spring and summer will be about 59% of average, based on 30 years of data from 1991 to 2020. 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