Your guide is depending on guests to paddle with full force to compensate for the speed of the river. As a club fitter it is important to know what your are fitting with and the makeup of my customers existing clubs clubs. Our high water cut off for float trips and rental boating equipment is 3,000 CFS. 800 - 1100 CFS = Normal flows. Woohoo! Trips book early, so call now! For first time rafters who are a little nervous about what to expect, I suggest scheduling your trip during low water conditions. Proceed with caution when rafting at high flows. Private Boater Info, Shuttle Forms & Used Boating Equipment, Wilderness Aware Rafting Class IV whitewater rafting. Explore the NEW USGS National Water Dashboard; to access real-time data from over 13,500 stations nationwide.
What do the numbers mean? Copyright 2020 American Whitewater Expeditions. This is generally what determines the flow of the river. Just What is CFS anyway? STREAM FLOW. There will be more opportunities since constant paddling is not as necessary as during high flows. The river is more fishable from a boat. The river covers a distance of 2,920 miles long making it the world’s 9th longest river, and it is the only river that crosses the equator twice. Lower readings mean that the river is generally less full and could mean it may not have enough flow for good paddling. The most water is released in the spring and summer, supplying plenty of exciting whitewater action. 1200-1500 cfs: Less than 50% wadable. And it can be even more important for river paddling. Then when the river flow rate drops you may find yourself carrying your boat over the rocks. Call us at 1-800-In A RAFT (1-800-462-7238) or book your Colorado white water rafting adventure online. Above 3000 CFS = High flows. There are a series of dams upstream of the South Fork and Middle Forks of the American River which provide water for electrical power, irrigation, and drinking for residents of California. So please use the information in the table below to help you plan your safe day on the river. Fast-moving water, with powerful waves and rapids.
Just What is CFS anyway?
When you’re heading out paddling, it can be pretty vital to know what the conditions will be like before you set off. Above 1700 CFS = High flows.
The South Fork usually runs from May through October. Higher CFS readings generally mean the river is flowing faster, with a high volume and often rapids. Plan on getting soaked! Excellent explanation and really simple, short and easy-to-understand video. Challenging Class V whitewater rafting, exciting for veterans.
900+ cfs: Don't wade. Too dangerous. A river during high CFS flows will feature larger rapids, bigger waves, and completely different terrain than from when CFS flows are low. CFS or Cubic Feet per Second is the unit of measurement used for determining the “speed” of a river. One cubic foot of water weighs 62.5 pounds. Similar to how a humid 80˚ day is significantly different to a snowy 29˚ day, the range in numbers for CFS is just as impactful. Higher CFS readings generally mean the river is flowing faster, with a high volume and often rapids.
Buena Vista, CO 81211. The North Fork runs during April & May (and sometimes, if we’ve been good, into June).
1700-4000 CFS = Medium - High flows. Check out our detailed information about the rivers you can raft across Colorado. Plenty of Class III whitewater rafting and beautiful scenery. When rivers are flowing at a faster rate, it is of upmost importance to listen and follow guide commands. Pay attention to this number when booking your trip as you soon will learn, water levels make a BIG difference on your whitewater rafting experience! PING CFS Iron Shafts. As you’ll have found out, it can be difficult to judge what the flow of a river will be like for its entire length, as it will change due to the landscape.
Any mention of my role at Wilderness Aware Rafting, and someone would immediately ask, “What’s the CFS like right now?”. https://www.inaraft.com/wp-content/uploads/2018/06/wa-logo_pngtop-text_white400.png, Wilderness Aware Rafting Colorado & Arizona, https://www.inaraft.com/wp-content/uploads/2017/11/2017-june-blog-cfs-matters-1.jpg, How Our Snow Pack Impacts Summer River Flow Levels, Adventures & Travel, Nature & Wildlife, Rafting Safety, Activities & Events, Adventures & Travel, Wilderness Aware Rafting, Wilderness Aware Rafting Response to COVID-19, Top 5 Overnight & Multi-Day White Water Rafting Trips, 7 Ways to Help Protect Our Rivers at Home. Participants should be athletic individuals with previous experience. Join American Whitewater Expeditions for a thrilling trip down the Class IV Middle Fork of the American! The CFS reading is not the speed at which the water is flowing, it’s more in relation to the volume of water that is passing through a particular section of the river at that particular time (in 1 second).The general formula for working out the CFS reading, is to multiply the width of the river by the depth by the speed. By Russ Ryden, A Golf Digest America’s 100 Best Clubfitter Fit2Score, Dallas Fort Worth, Texas. The higher the CFS, the more advanced the trip, so first time rafters are advised to start with one of our Browns Canyon National Monument trips before taking on the Class V sections that require more technical paddling like The Numbers or Royal Gorge. When I first moved to Buena Vista, I noticed what seemed like an obsession with the mysterious acronym “CFS”.
Lower East Branch.
How much water is in the river? This can be done using Manning’s equation, taking velocity and gradient into account. And leave us a comment if you have anything to add. The accumulation of sediment can then affect the speed and also depth of the river, potentially making it shallower and wider and slowing down the flow.There are ways of calculating open channel flow, which is where a river or stream flows into open water. NOTICE November 1, 2020 7:45 am ET: We are investigating some real-time data currently behind on the web.
1100 - 1700 CFS = Medium - High flows. The number of CFS (Cubic Feet per Second), commonly referred to as the stream discharge, is a measure of the volume of water passing a point each second of time. Above 4000 CFS = High flows. Erosion can also play a part. Pay attention to this number when booking your trip as you soon will learn, water levels make a BIG difference on your whitewater rafting experience! When I first moved to Buena Vista, I noticed what seemed like an obsession with the mysterious acronym “CFS”. For certain rivers, common sense can be applied in order to work out whether a river is flowing fast or slow.
Bigger waves and swift moving water. What do the numbers mean? Families with small children or those who may not want to paddle have the option of zero paddling on trips as well since we are able to mount oars on our rafts for your guide to row instead.
A calmer river means more time to relax and enjoy the gorgeous scenery whitewater rafting immerses you in.
12600 US Highway 24/285
Because it’s such an important topic, we’ve put together a guide to help explain some of the terms and to help ease you into understanding water flow readings.
CFS stands for Cubic Feet per Second, and it’s a measure of the volume of water passing any given point in a river in one second. Snow melt, precipitation, air temperature and reservoir releases can affect current river levels. The Congo River has an average discharge of 1,454,964 cubic feet per second. The value is determined by multiplying the cross sectional area of the stream, in square feet, times the speed or velocity of the water, in feet per second. While I’m more of an adrenaline junkie, I certainly can appreciate the way my favorite butterfly inducing rapids mellow out during low CFS. CFS stands for Cubic Feet per Second, and it’s a measure of the volume of water passing any given point in a river in one second.
The North Fork American is not dam controlled, and is therefore runnable only in April, May, and early June, depending on the snowpack and rainfall each year. Zoom Flume rapid in Browns Canyon at a lower CFS. A trip down one of our most advanced sections of whitewater rafting (The Numbers) on my second day in town, quickly taught me the importance of paying attention to CFS and where the local obsession with CFS levels came from! The table lists the recommended flow rates for each water based recreational activity.
So how do you know how fast the river is flowing?
Middle Fork River Flows It’s always a good idea to check with local outfitters or bait shops who can advise you on the conditions of the rivers. 1200 - 1300 CFS = Medium to high flows.
The North Fork is one of the jewels of California. Having never gone whitewater rafting before, “CFS” was a completely foreign term. Colorado Rafting River Guide The Congo basin covers an area of 1,500,000 square miles which is approximately about 13% of Africa’s landmass. High water conditions are my favorite time to go rafting. Kayak In Pickup Truck Bed – How To Tie Down And Transport, 7 Popular Kayak Modification And Upgrade Ideas. Zoom Flume rapid in Browns Canyon at a higher CFS. The longevity of flows is dependent on the weather and snowpack. We offer private boater shuttles on many sections of the Arkansas River in Colorado and the Upper Salt River in Arizona. 850-1000 cfs: Still wadable in most sections, but at this level the river also fishes well from a drift boat. How fast a river flows is determined by a number of factors. May occur only a few weeks in spring.
Higher flows mean less room for error since your guide will have much less time to readjust and maneuver the raft to avoid obstacles if the paddle crew is unable to follow the original route. Consistent flows for whitewater rafting are controlled by the upstream reservoirs in the summertime with added runoff in the spring. South Fork River Flows Middle Fork River Flows North Fork River Flows. Consistent flows for whitewater rafting are controlled by the upstream reservoirs in the summertime with added runoff in the spring. There is much more action and adrenaline charged waves and drops come with every turn of the river. How much water is in the river? 700-800 cfs: 90% wadable. Challenging Class III+ whitewater rafting. If you scroll down and look underneath the first chart, you will see a highlighted box with the most recent reading of the French Broad River level, measured in CFS (cubic feet per second). South Fork River Flows What do the numbers mean? Big waves and swift-moving water. (It’s super easy to arrange, just ask!)
Enjoy its awesome rapids and scenic beauty with American Whitewater this season.
Snow melt, precipitation, air temperature and reservoir releases can affect current river levels. Why does the river level fluctuate so much? Class IV whitewater with additional challenges. CFS stands for Cubic Feet per Second. Perfect for aggressive first timers or experienced whitewater paddlers. This is extremely rare in the summertime. CFS readings will not be the same on every river, in that a reading of 1700 CFS could be low for some rivers but high and potentially dangerous for others. If the rivers are flowing above 2,000 CFS this is officially high water! But as a general rule you’ll have learned that the depth, width and gradient of the river will affect the speed and flow of the water.
Save my name, email, and website in this browser for the next time I comment. 800-1200 CFS = Lower flows.
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