There is an 60%70% chance of below-normal precipitation during this period. 50%60% Chance of Below Normal Extreme Drought (D3) is the third of four drought categories (D1D4), according to the U.S. Drought Monitor. Lock In a twist of fate, Lee started theferryin the late 1800s after John Wesley Powell, the second USGS director,gifted him a boat while he was exploring the Grand Canyon. Colorado River Interactive Dashboard Flaming Gorge[block:nodeblock=1053] Fontenelle[block:nodeblock=1058] Snowfall . Projections extend out 24 months (the same period as the 24-Month Study) and are released monthly, typically by the 15 th day of the month. This experimental map is based on methodology from the NOAA National Weather Services Climate Prediction Center. The dam stores water for the Upper Colorado River Basin states of Utah, Colorado, Wyoming and New Mexico to ensure those states are able to access the river especially during droughts. Not Ranked AT DENVER, CO. WEIR GULCH UPSTREAM FROM 1ST AVE. AT DENVER, CO. Severe Drought (D2) is the second of four drought categories (D1D4), according to the U.S. Drought Monitor. View typical impacts by state. They use that mathematical relation tocomputestreamflow information every 15 minutes. According to these indices, current conditions are wetter than 98%to 100% of past conditions. The Standardized Precipitation Index (SPI) measures water supply, specifically precipitation. Read More. Recent data from the U.S. Drought Monitor showed a slight improvement in drought conditions for southeast Colorado. This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979present. At the end of July 2021, the water elevation at the Hoover Dam was 1067.65 feet (325.4 meters) above sea level, the lowest since April 1937, when the lake was still being filled. Learn more about these categories. There is an 40%50% chance of below-normal precipitation during this period. 33%40% Chance of Below Normal Lake Powells water levels plummeted in early 2005, according to the U.S. Department of the Interior Bureau of Reclamation. Current conditions of Discharge, Dissolved oxygen, Gage height, and more are available. There is an 33%40% chance of below-normal precipitation during this period. 33%40% Chance of Above Normal Congress approved the plan submitted by the states of Arizona, California, Colorado, Nevada, New Mexico, Utah, and Wyoming as the Colorado River Drought Contingency Plan Authorization Act on April 16, 2019. There is an 60%70% chance of above-normal precipitation during this period. 70%80% Chance of Above Normal 46F Above Normal Every Thursday, authors from NOAA, USDA, and the National Drought Mitigation Center produce a new map based on their assessments of the best available data and input from local observers. A drought early warning system (DEWS) utilizes new and existing networks of federal, tribal, state, local, and academic partners to make climate and drought science accessible and useful for decision makers and stakeholders. This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979present. Share or Report a Water Level - 3rd Party Water Level Data Portal ; Report Dry Well Data . 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. Our newsletters bring you a closer look at the Southern Colorado stories that affect you and the music that inspires you. Right where the Colorado River flows into the mouth of the Grand Canyon,an inconspicuous20-foot-highconcrete towerrises from theriverbank. A flow category has not been computed for this gauge, for example due to insufficient historical data or no current streamflow estimates. Colorado River Water Conservation District, US Bureau of Reclamation - Upper Colorado Region, USGS - National Water Quality Monitoring Network, COLORADO RIVER NEAR COLORADO-UTAH STATE LINE, New to WDFN: graph latest data from 5 locations together using Combined Location Graph (. There is an 40%50% chanceof below-normal precipitation during this period. This map shows the drought conditions of the {{WATERSHED_NAME}} watershed, using a five-category system, from Abnormally Dry (D0) conditions to Exceptional Drought (D4). 34F Below Normal According to these indices, current conditions are wetter than 95% to 98% of past conditions. Learn more about these categories. There is an 70%80% chance of below-normal precipitation during this period. 60%70% Chance of Below Normal Read More, Feb. 24, 2023 The Bureau of Reclamation is seeking public comment on the draft Glen Canyon Dam/Smallmouth Bass Flow Options Environmental Assessment that presents four potential operational flow options aimed at preventing smallmouth bass from successfully spawning and establishing downstream of Glen Canyon Dam. The . The Standardized Precipitation Index (SPI) value for this location is 2.0 or greater, indicating exceptional wet (W4) conditions. Read More, Colorado River Post-2026 Operations Website, May 24, 2023 The Biden-Harris administration today announced new investments that will help improve and protect the stability and sustainability of the Colorado River System now and into the future, including critical funding to help increase water conservation, improve water efficiency, protect critical environmental resources, and prevent the Colorado River Systems reservoirs from falling to critically low elevations that would threaten water deliveries and power production. Moderate Drought (D1) is the first of four drought categories (D1D4), according to the U.S. Drought Monitor. "These forecasts are reliant on future precipitation and that could still change for us this year," he said. **All data is supplied from Bureau of Reclamation Records. The South Platte River basin in the northeastern portion of the state is the only area where snowpack is currently below normal, at 84 percent as of May 31. The Standardized Precipitation Index (SPI) value for this location is between 0.8 to 1.2, indicating moderate wet (W1) conditions. Estimated streamflow is in the 10th25th percentile of historical streamflow values recorded at this gauge on this day of the year. According to these indices, current conditions are wetter than. Colorado is no exception. This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979present. Lake Powell elevation is 3,582.69 feet. Jul 0 50k 100k 150k 200k 250k Among the dams on the Colorado is Arizonas Glen Canyon Dam, which creates Lake Powell. The PMDI value for this location is 2.0 to 2.9, indicating moderate wet (W1) conditions. Precipitation was better, but still slightly below normal in the Upper Colorado River Basin. Access river level and other water information and weather conditions in your neighborhood! Colorado River, major river of North America, rising in the Rocky Mountains of Colorado, U.S., and flowing generally west and south for 1,450 miles (2,330 kilometres) into the Gulf of California in northwestern Mexico. Tree rings were used to reconstruct a Palmer Modified Drought Index (PMDI) value for each JuneAugust, estimating relative dryness. The 1922 pact was based on the assumption that about 17.5 million acre-feet of water, or maybe as much as 20 million, flowed through the river each yearenough today to cover nearly half of Utah . Asscientists,decision makers, recreationalists, fishermen, and, possibly, a beaver or two, celebratethestreamgages100thbirthday, they also look forward to 100 more years of robust and reliable information. This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979present. According to these indices, current conditions are wetter than 90% to 95% of past conditions. 2018 brought some relief after a wet winter. In the main body of Lake Powell, water pooled along its eastern edge, while large expanses of dry canyon floor were visible in the west. This map shows the drought conditions of the { {WATERSHED_NAME}} watershed, using a five-category system, from Abnormally Dry (D0) conditions to Exceptional Drought (D4). Red hues indicate drier conditions, while blue hues indicate wetter conditions. The PMDI value for this location is -4.9 to -4.0, indicating extreme drought (D3) conditions. SOUTH PLATTE RIVER ABOVE CHEESMAN LAKE, CO. U.S. Department of the Interior Bureau of Reclamation. Conditions were at 60 percent of normal during this same time last year. W2 (PMDI of 3.0 to 3.9) Learn more about the Southern Colorado Public Media Center. The new guidelines will replace the 2007 Colorado River Interim Guidelines for Lower Basin Shortages and the Coordinated Operations for Lake Powell and Lake Mead, which are set to expire at the end of 2026. The Long-Term MIDI approximatesdrought impacts from changes in precipitation and moistureover a long-term timeframe (up to 5 years), such as impacts to irrigated agriculture, groundwater, and reservoir levels. Sort Data By Gauge Drop Down: Press the link . Estimated streamflow is in the 010th percentile of historical streamflow values recorded at this gauge on this day of the year. Learn more. USGS scientists have collected various data at the site, from streamflow to water quality. The Standardized Precipitation Index (SPI) value for this location is2.0 or greater, indicating exceptional wet (W4) conditions. Listen now. An official website of the United States government. Learn more about these categories. Review), Criteria for Coordinated Long-Range Operation of the Colorado River Reservoirs, 1970, The Upper Colorado River Basin Compact of 1948, National Weather Service | Colorado Basin River Forecast Center, DOI Bureau of Reclamation | Colorado River Basin, U.S. Geological Survey | Watershed Boundary Dataset, Colorado River Basin Salinity Control Forum, International Boundary and Water Commission, DOI Bureau of Reclamation | Colorado River System Mid- to Long-Term Projections (updates continually), DOI Bureau of Reclamation | Reclamation Information Sharing Environment (RISE), EPA | WATERS (Watershed Assessment, Tracking & Environmental Results System), USDA Natural Resources Conservation Service | Watersheds, Center for Colorado River Studies at Utah State University, Concurrent Changes in Extreme Hydroclimate Events in the Colorado River Basin (2021), DOI Bureau of Reclamation | Novel Strategies for Water Management of Colorado and Green Rivers (2021), Changing Climate Drives Future Streamflow Declines and Challenges in Meeting Water Demand Across the Southwestern United States (2021), Western Water Assessment | Colorado River Basin Climate and Hydrology: State of the Science (2020), Incorporating Social-Ecological Considerations into Basin-Wide Responses to Climate Change in the Colorado River Basin (2019), Colorado River Basin Ten Tribes Partnership Water Study (2018), Comparison of U.S. Geological Survey and Bureau of Reclamation Water-Use Reporting in the Colorado River Basin (2018), Estimates of Water Use and Trends in the Colorado River Basin, Southwestern United States, 19852010 (2018), Regional Scale Estimates of Baseflow and Factors Influencing Baseflow in the Upper Colorado River Basin (2015), U.S. Geological Survey National Water Census: Colorado River Basin Geographic Focus Area Study (2015), DOI Bureau of Reclamation | Colorado River Basin Water Supply and Demand Study (2012). This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979present. Colorado River . The average maximum temperature was46F warmer than normal for this location. The Colorado River ( Spanish: Ro Colorado) is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and in northern Mexico. "Reclamation works closely with the USGS and utilizes the gauge at Lees Ferry to calculate the flow of the Colorado River at this important measuring point, Patno said. The average maximum temperature was more than 8F colder than normal for this location. There is an 80%90% chance of above-normal precipitation during this period. >90% Chance of Above Normal Estimated streamflow is in the 75th90th percentile of historical streamflow values recorded at this gauge on this day of the year. {{AG_DESC_1}} (estimated) in drought (D1D4), {{AG_DESC_2}} (estimated) in drought (D1D4), {{AG_DESC_3}} (estimated) in drought (D1D4), {{AG_DESC_4}} (estimated) in drought (D1D4), {{AG_DESC_5}} (estimated) in drought (D1D4), percent of streamflow sites are below normal, percent of streamflow sites are above normal, percent of the {{WATERSHED_NAME}} has below-normal precipitation probability this month, percent of the {{WATERSHED_NAME}} has above-normal precipitation probability this month, Link to the National Oceanic and Atmospheric Administration's homepage, Browse by Regional Drought Early Warning System (DEWS), This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979present. The U.S. Drought Monitor (USDM) is updated each Thursday to show the location and intensity of drought across the country. 68F Above Normal 46F Below Normal Colorado Springs Mayors Office creates new roles for community engagement, Colorados tallest building saved from foreclosure, Colorado weather: Stormy conditions continue across Front Range as Western Slope heat persists. Severe Drought (D2) is the second of four drought categories (D1D4), according to the U.S. Drought Monitor. Tree rings were used to reconstruct a Palmer Modified Drought Index (PMDI) value for each JuneAugust, estimating relative dryness. The 1,450-mile-long (2,330 km) river drains an expansive, arid watershed that encompasses parts of seven U.S. states and two Mexican states. The Colorado River flows from the Rocky Mountains in Colorado through the southwestern United States. Watch your stuff, stay safe. On August 16, 2021, the Bureau of Reclamation announced the first-ever water shortage declaration for the Lower Basin. The Guidelines define operating procedures during drought and low reservoir conditions to minimize shortages in the Lower Colorado basin and avoid the risk of curtailment in the Upper Colorado basin. Abnormally Dry (20th30th Percentile) W2 (PMDI of 4.0 to 4.9) Learn more. Use this drop down list to select the data you want to display on the map. A key conclusion of the report was that increasing severity of the drought necessitated additional action to reduce the risk of reaching critically low elevations in Lakes Powell and Mead.. Estimated streamflow is in the 90th100th percentile of historical streamflow values recorded at this gauge on this day of the year. Learn more. Choose a data retrieval option and select a location on the map. In light of the Lower Basin states conservation proposal, the Department today announced that it is temporarily withdrawingthe draft SEIS published last month so that it canfully analyze the effects of the proposal under the National Environmental Policy Act (NEPA). The average maximum temperature was01F colder than normal for this location. Legal Arrangements for Managing the River, Advancing Drought Early Warning through Interdisciplinary Research, National Coordinated Soil Moisture Monitoring Network, NIDIS Drought and Wildland Fire Nexus (NDAWN), National Weather Service Drought Information Statements, USDA National Agricultural Statistics Service, Colorado River Drought Contingency Plan Authorization Act, Colorado River Drought Contingency Plan Authorization Act, 2019, Colorado River Interim Guidelines for Lower Basin Shortages and Coordinated Operations for Lake Powell and Lake Mead, 2007, Final Report of the Review of the 2007 Interim Guidelines (7.D. Daily Freezing Level; Water Year Precipitation Interactive Maps; Water Year Precipitation Static Maps; Monthly Precipitation Interactive Maps; There is an 70%80% chance of above-normal precipitation during this period. 80%90% Chance of Above Normal The Standardized Precipitation Index (SPI) value for this location is between -0.7 to -0.5, indicating abnormally dry (D0) conditions. Seven Western states, which include some of the fastest-growing in the nation, get some of their water from the Colorado River. Its apopular spotfor recreation and arenownedtrout fishing area. We'd love to hear about your experience using Drought.gov! The Short-Term MIDI approximatesdrought impacts from changes in precipitation and moistureover a short-term timeframe (looking back up to 90 days), such as impacts to non-irrigated agriculture, topsoil moisture, and range and pasture conditions. Secure .gov websites use HTTPS This map shows the average maximum daily temperature for the past 30 days compared to the historical average (19912020) for the same 30 days. Precipitation data are updated daily, with a delay of 3 to 4 days to allow for data collection and quality control. Above Normal (75th90th Percentile) The site is secure. There is an 40%50% chanceof above-normal precipitation during this period. An official website of the United States government. Flight Center. In the early 21st century, this modern marvel of engineering faced an ancient enemy: prolonged drought in the American Southwest. The Colorado River provides water to almost 40 million people in two countries, seven states, , the Colorado River supports $1.4 trillion in annual economic activity, equivalent to 1/12th of total U.S. gross domestic product. This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979present. According to these indices, current conditions are drier than 95% to 98% of past conditions. Learn more about these categories. The average maximum temperature was 01F colder than normal for this location. 13F Below Normal Exceptional Drought (D4) is the most intense drought category, according to the U.S. Drought Monitor. Precipitation was greater than 300% of the historical average for this location, compared to the same date range from 19912020. The most famous of these is the Grand Canyon in northern Arizona.
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