FLOW REPORT

December 3 2024

Amid the dynamic interplay of waterways across the nation, recent observations from streamgauges present a varied tapestry of river conditions. While some areas enjoy tranquil currents beneath sunny skies, others are witnessing rivers swelling beyond their banks. Notably, the Ohio River at Old Shawneetown and the Savannah River at Fort Pulaski report high flows, indicative of the potential for impacted water management and recreational activities. Meanwhile, the White River in Arkansas and the Sacramento River in California are also experiencing elevated streamflows. These fluctuations underscore the importance of vigilant monitoring and adaptability within the spheres of water management and outdoor river pursuits.

Turning to specific watersheds, the Middle Pearl-Strong in Mississippi is reporting an astonishing 917% of normal streamflow, hinting at localized flooding concerns. Contrastingly, the Middle Tombigbee-Lubbub watershed indicates flows at just 39% of normal, suggesting drought-like conditions that could affect ecosystems and water supply. The dramatic disparity between watersheds such as Colorado headwaters and Lake Washington further showcases the diverse hydrological scenarios unfolding across the country. The observed variances stress the need for targeted approaches to water resource management that can accommodate the stark differences in water availability and risk.

Major rivers like the Tombigbee and Nolichucky are significantly exceeding their average flows, with the latter seeing flows over sixteen times the norm, highlighting areas with potential for outdoor activities disruption and ecological impact. Cities near these rivers, including Savannah, GA and Batesville, AR, should remain alert to these conditions. Meanwhile, outdoor enthusiasts along the White River in Arkansas and the Sacramento River in California must exercise caution due to high streamflows. As researchers and river aficionados parse through the data, the importance of real-time monitoring and responsive strategies to these fluid conditions becomes ever more evident, ensuring that both human interests and natural habitats are safeguarded amidst the ebbs and flows of our nation's rivers.

Streamflow conditions across the USA vary significantly due to geographical and climatic factors. Historically, areas with high streamflows include the Pacific Northwest, parts of the Rocky Mountains, and the Upper Midwest, particularly during the spring months when snowmelt is at its peak. These regions experience abundant streamflow due to the melting of substantial snowpacks accumulated during winter. The Rocky Mountains, for instance, have numerous rivers fed by snowmelt, such as the Colorado and Yellowstone rivers, which see increased flow from late spring to early summer, crucial for agriculture, hydroelectric power generation, and replenishing groundwater levels.

Snowpacks play a crucial role in regulating streamflows across the US. In mountainous regions like the Sierra Nevada and the Cascades, snow accumulates during winter and gradually melts in spring and early summer, sustaining rivers like the Sacramento and Columbia. These rivers not only support ecosystems and agriculture but also provide vital water resources for cities and towns downstream. Streamflow levels directly impact recreational activities such as fishing and whitewater kayaking, as fish migration and water levels for rafting are closely tied to seasonal flow patterns. Balancing water usage with ecological and recreational needs remains critical in managing and sustaining healthy streamflow conditions nationwide.


Flood Monitor

Location Percent of Normal
Pigeon River
River / Tributary
1634%
Palatlakaha River
River / Tributary
721%
Greys River
River / Tributary
710%
Little River
River / Tributary
1255%
Nolichucky River
River / Tributary
1660%
Middle Pearl-Strong
Watershed
917%
Nolichucky
Watershed
1660%
Pigeon
Watershed
1634%
Colorado Headwaters
Watershed
1514%
Buffalo-San Jacinto
Watershed
693%
Greys-Hobock
Watershed
710%
Oklawaha
Watershed
721%
Little
Watershed
1255%

Surging Streamflows

Streamgauge Discharge Change Discharge
TOMBIGBEE RIVER AT STENNIS LOCK AND DAM, MS +3,459% 1,260cfs
RED RIVER AT DENISON DAM NR DENISON, TX +875% 5,380cfs
MOUNTAIN FORK NEAR EAGLETOWN, OK +472% 1,590cfs
ELK RIVER ABOVE FAYETTEVILLE, TENN. +430% 1,600cfs
CHATTAHOOCHEE RIVER NEAR NORCROSS, GA +323% 3,210cfs
LITTLE RIVER NEAR HORATIO, AR +279% 1,950cfs
OSAGE RIVER BELOW ST. THOMAS, MO +256% 4,590cfs
COLUMBIA RIVER @ BEAVER ARMY TERMINAL NR QUINCY,OR +171% 105,000cfs
TOMBIGBEE R AT GAINESVILLE L&D NR GAINESVILLE AL +164% 2,770cfs
ETOWAH RIVER AT GA 1 LOOP, NEAR ROME, GA +161% 2,160cfs

Paddling Destinations

Location Discharge Status
GREENWOOD TO MAMMOTH BAR 1,390cfs Runnable
TUNNEL RUN (RALSTON POWERHOUSE TO GREENWOOD) 1,390cfs Runnable
GENERATION AND GIANT GAPS (TADPOLE TO COLFAX-IOWA HILL ROAD) 1,390cfs Runnable
YANKEE JIM ROAD TO PONDEROSA WAY (SHIRTTAIL) 1,390cfs Runnable
CHILI BAR 1,390cfs Runnable
COLOMA TO GREENWOOD - (C TO G) 1,390cfs Runnable
SUNRISE AVENUE TO WATT AVENUE 1,020cfs Too High
ROYAL GORGE (SODA SPRINGS TO TADPOLE CREEK) 817cfs Runnable
CHRISTOPHER CREEK 443cfs Too High
INDIAN GARDENS 30cfs Too Low

Oceanic Niño Index (ONI) - La Nina Cooling Phase

The Oceanic Niño Index (ONI) is a rolling 3-month average temperature anomaly, and used for tracking El Niño-Southern Oscillation climate patterns. Based on the latest data for the last 3 months (ASO), the Oceanic Nino Index is currently -0.22, signifying a La Nina period. A persistent above average sea surface temperature may signify an El Niño episode. Conversely, a below average sea surface temperature will signal the onset of La Nina occurences.

       

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