To determine how fast the water is flowing, USGS hydrologists and hydrologic technicians take streamflow measurements on the river or stream. Abnormally Dry (D0) indicates a region that is going into or coming out of drought. Climate & Weather Data Colorado Basin River Forecast Center NRCS Snow-Precipitation Data, Upper Basin NRCS Snow-Precipitation Data, Arizona Projected Operations Real-Time Operations Outlook (updated hourly) River Operations Schedule Hourly Schedules (updated daily) Davis Dam & Parker Dam Headgate Rock Dam 10-Day Lake Mead Outlook (updated daily) Thestreamgageat Lees Ferry measures water heightusing a stilling well. Learnhow this map is made. Learn more. At the beginning of the series in 1999, water levels in Lake Powell were relatively high, and the water was a clear, dark blue. Exceptional Drought (D4) is the most intense drought category, according to the U.S. Drought Monitor. View typical impacts by state. Jun 2. Colorado River Basin | Bureau of Reclamation Southern Colorado is changing a lot these days. Get timely updates on local drought conditions, outlooks, and impacts from NIDIS and its partners. The colors represent real-time streamflow compared to percentiles of historical daily streamflow for the day of the year. Since 2000, historically dry conditions have added stress to the Colorado Rivers already over-allocated water resources. According to these indices, current conditions are wetter than 80% to 90% of past conditions. The gauges are often stored inwaterproofboxes perched near flowing water. SOUTH PLATTE RIVER ABOVE CHEESMAN LAKE, CO. In the image acquired on May 1, 2004, the reservoirs northwestern branch is isolated from the main reservoir; the shallow water upstream could not crest raised areas in the lakebed. The average maximum temperature was46F warmer than normal for this location. Learn more. This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979present. The lake level began to rebound; only the 2008 image appeared to deviate from the trend toward rising water levels. There is a >90% chance of below-normal precipitation during this period.  80%90% Chance of Below Normal 4 min read The Colorado River's reservoirs have diminished to the point that significant cuts to the water supplied to the seven states that rely on it will. Home; Rivers Conditions Map; Conditions List; . View River Map Colorado River Levels July 3 2023 311,317 ACRE-FT Discharge Volume Today -3943.0 cfs (-2.45%) since yesterday 120.23% of Normal 36 Streamgauges Daily Discharge (cfs) 24. Extreme Drought (2nd5th Percentile) Watch your stuff, stay safe. A lot of people whogo on rafting trips down the Grand Canyon check the gauge to make sure conditions are safe on the river," Schonauer said. 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 90% to 95% of past conditions. Learn more about these categories. According to these indices, current conditions are wetter than 95% to 98% of past conditions. Learn more about these categories. Seven U.S. statesArizona, California, Colorado, Nevada, New Mexico, Utah, and Wyomingand Mexico. Big changes are coming for the Colorado River soonand they could get messy According to a University of Arizona study, the Colorado River supports $1.4 trillion in annual economic activityequivalent to 1/12th of total U.S. gross domestic productand 16 million jobs in Arizona, California, Colorado, Nevada, New Mexico, Utah, and Wyoming. Colorado is no exception. In Colorado, the mountain snowpack is beating the 30-year norm as spring nears, except for Arkansas River Basin where less snowfall could lead to low water flows, The Denver Post reported Friday . There is an 40%50% chance of below-normal precipitation during this period.  33%40% Chance of Below Normal Negative values (blue hues) indicate colder than normal temperatures, and positive values (red hues) indicate warmer than normal temperatures. D2 Severe Drought There is an 50%60% chance of above-normal precipitation during this period.  60%70% Chance of Above Normal 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. The average maximum temperature was 46F colder than normal for this location. "Between 50 and 80 percent of an annual year's precipitation actually accumulates as snowpack and then melts off in the spring and becomes our water supply," Domonkos said. D3 Extreme Drought These Guidelines remain in effect through 2025. For the Colorado River Basin, how snowpack levels ultimately translate into spring water supply depends on factors like remaining snowfall and soil moisture. The . In addition, to reduce the risk of Lake Powell and Lake Mead declining to critically low levels, in December 2017, the U.S. Department of the Interior called on the seven Colorado River basin states to put drought contingency plans in place before the end of 2018. 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. Tree rings were used to reconstruct a Palmer Modified Drought Index (PMDI) value for each JuneAugust, estimating relative dryness. 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 map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979present. There is an 80%90% chance of below-normal precipitation during this period.  70%80% Chance of Below Normal Exceptional Drought (D4) is the most intense drought category, according to the U.S. Drought Monitor. 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. D1 Moderate Drought The Lees Ferry gauge as well as a streamgage on the Paria River are used as critical, continuous measurement points to determine how much water passes to the Lower Basin each year. Hydromet - Map View - Stream Flow and Weather The PMDI value for this location is 3.0 to 3.9, indicating severe wet (W2) conditions. 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. Beginning in the Rocky Mountains of northern Colorado, it moves southwest ending in the Gulf of California. Keep KRCC with you wherever you are by following us on Twitter, Facebook and Instagram. View typical impacts by state. D0 (PMDI of -1.9 to -1.0) Exceptional Drought The average maximum temperature was01F warmer than normal for this location. These links to archival products supplement direct access to current and historical water data provided by the National Water Information System (NWIS). D3 (PMDI of -4.9 to -4.0) The average maximum temperature was13F warmer than normal for this location. Learn more about these categories. Domonkos said snowpack provides a vast majority of people in the West with water. Tree rings were used to reconstruct a Palmer Modified Drought Index (PMDI) value for each JuneAugust, estimating relative dryness. . An official website of the United States government. Inside the tower is aU.S. Geological Surveystreamgagethat willmark itscentennial year of monitoring theriveron October 1, 2021. The funding, part of the Presidents Investing in America agenda, follows an historic consensus system conservation proposal announced earlier this week that commits to measures to conserve at least 3 million-acre feet of system water through the end of 2026, when the current operating guidelines are set to expire. Learn more about these categories. The average maximum temperature was 68F colder than normal for this location. Colorado River Basin | Drought.gov Select a site to retrieve data and station information. Rivers feeding Lake Powell are running at 137% of the average rate. Severe Drought (D2) is the second of four drought categories (D1D4), according to the U.S. Drought Monitor. Comments are due on August 15, 20223. The Standardized Precipitation Index (SPI) value for this location is between -1.9 to -1.6, indicating extreme drought (D3) conditions. Colorado River and Lakes - Water Levels and Temperatures - DesertUSA USDA National Agricultural Statistics Service, U.S. Drought Monitor. Colorado has had a good water year, but experts say it wont lessen long-term drought conditions, News That Matters, Delivered To Your Inbox, Cloud seeding is on the rise in the drought-stricken Rockies. At the west end of Narrow Canyon, the Dirty Devil River joins the lake from the north. A report from the National Weather Service in Pueblo said soil moisture continues to improve across south-central and southeast Colorado, as well. Tree rings were used to reconstruct a Palmer Modified Drought Index (PMDI) value for each JuneAugust, estimating relative dryness. The Standardized Precipitation Index (SPI) value for this location is between 0.8 to 1.2, indicating moderate wet (W1) conditions. Reservoir elevation for Lake Mead Groundwater Current Conditions Table Precipitation Current Conditions Table Water Quality Current Conditions Table Current conditions data typically are recorded at 15-60 minute intervals, stored onsite, and then transmitted to the Nevada Water Science Center Office hourly. National Weather Service. D1 (PMDI of -2.9 to -2.0) W4 (SPI of 2.0 or more) USGS | National Water Dashboard The peak inflow to Lake Powell occurs in mid- to late spring, as the winter snow in the Rocky Mountains melts. The 9-month Standardized Precipitation Index (SPI) value for this location is -2.0 or less, indicating exceptional drought (D4) conditions. Although agricultural uses depend on 70 percent of Colorado River water, between 35 and 40 million people rely on the same water for some, if not all, of their municipal needs. The Standardized Precipitation Index (SPI) value for this location is between -1.2 to -0.8, indicating moderate drought (D1) conditions. Severe Wet (90th95th Percentile) Estimated streamflow is in the 90th100th percentile of historical streamflow values recorded at this gauge on this day of the year. 'Moment of reckoning:' Federal official warns of Colorado River water The average maximum temperature was more than 8F warmer than normal for this location. Learn more about these categories. D4 (PMDI of -5.0 or less) 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. The Colorado River Water Compact drafted in 1922 to divide water between upper and lower basin states was based on analysis of one of the wettest 10-year periods in history, establishing a permanent deficit. 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. Tree rings were used to reconstruct a Palmer Modified Drought Index (PMDI) value for each JuneAugust, estimating relative dryness. The average maximum temperature was13F colder than normal for this location. The average maximum temperature was 13F colder than normal for this location. When hes not gazing at the beautiful layers of geology, working on thestreamgage, or taking a streamflow measurement, Schonauerlikes to check in on thelocalwildlife. According to these indices, current conditions are wetter than 70% to 80% of past conditions. The average maximum temperature wasmore than8F warmer than normal for this location. Precipitation was only 0% to 25% of the historical average for this location, compared to the same date range from 19912020.  25%50% of Normal W2 (SPI of 1.3 to 1.5) Jun 28. Changes in the northeastern reaches of Lake Powell are documented in this series of natural-color images taken by the Landsat series of satellites between 1999 and 2021. A majority of Colorado's river basins had a good water year, with higher than normal snowpack levels. The average maximum temperature was 68F warmer than normal for this location. This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979present. Daily Freezing Level; Water Year Precipitation Interactive Maps; Water Year Precipitation Static Maps; Monthly Precipitation Interactive Maps; Precipitation was better, but still slightly below normal in the Upper Colorado River Basin. Along its route, the river passes through an elaborate water-management system designed to tame the yearly floods from spring snowmelt and to provide a reliable supply of water for residents as far away as California. View typical impacts by state. According to these indices, current conditions are drier than 70% to 80% of past conditions. Colorado River Report | 120.0% of Normal Streamflow - SNOFLO There is an 60%70% chanceof below-normal precipitation during this period. This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979present. Lake Powells water levels plummeted in early 2005, according to the U.S. Department of the Interior Bureau of Reclamation. White areas indicates equal chances of above- or below-normal precipitation. Current conditions of Discharge, Dissolved oxygen, Gage height, and more are available. Colorado River states, Biden make deal to protect drought-stricken Water from the river enters and leaves the well through underwater pipes, allowing the water surface in the well to be at the samelevelas the water inthe river. Moderate Drought (D1) is the first of four drought categories (D1D4), according to the U.S. Drought Monitor. The average maximum temperature was68F warmer than normal for this location. At a time whenthe Roaring Twenties were in full swing,thestreamgagebegan collectinginformation about thewaters leveland flow. Water Elevation Lake Powell By Month. Colorado River Interactive Dashboard Flaming Gorge[block:nodeblock=1053] Fontenelle[block:nodeblock=1058] Snowfall . Moderate Drought (D1) is the first of four drought categories (D1D4), according to the U.S. Drought Monitor. View typical impacts by state. Estimated streamflow is the lowest value recorded at this gauge on this day of the year. Learn more. Assured and Adequate Water Supply Interactive Map ; Community Water System (CWS) Interactive Map ; Groundwater Site Inventory (GWSI) Precipitation was 75% to 100% of the historical average for this location, compared to the same date range from 19912020. Downstream releases from both Glen Canyon Dam and Hoover Dam will be reduced in 2022. "We're . 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. The U.S. Bureau of Reclamation constructed thedam toharness the power of the Colorado River and provide water to millions of people in the West. 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. Lock Federal government websites often end in .gov or .mil. Upper Colorado Region Water Operations: Current Status: Lake Powell, Spring Snow Brings Moisture to Colorado Front Range, NASA Goddard Space PLUM CREEK NEAR SEDALIA, CO. SOUTH PLATTE RIVER AT ENGLEWOOD, CO. HARVARD GULCH AT COLORADO BLVD. It is (1,450 miles) (2,333 km) in length, and has formed numerous canyons along its winding path. Lake Powell water levels rising a foot a day, giving 'year's worth of Learn more about these categories. Monitoring location 09163500 is associated with a Stream in Mesa County, Colorado. Secure .gov websites use HTTPS Lake Powell's water levels are projected to rise 70 to 71 feet by this fall. Abnormally Wet (70th80th Percentile) The gauge at LeesFerryis among the most watched and accurate big-rivermonitoring locations in the country and is an excellent example ofhowconsistent, long-term scientific informationbeneficially informswater-management decisionsin a changing world, Jim Leenhouts, the Director of the USGS Arizona Water Science Center, said. The April-July unregulated inflow forecast for the Colorado River is 10.70 million acre- feet or 167 percent of average. This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979present.

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