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SHOSHONE (POWER PLANT TO GRIZZLY CREEK)

Colorado River - colorado
20th of May
Status RUNNABLE
Streamflow 3460 cfs
Average 2000 cfs
Runnable Min 500 cfs
Runnable Max 10000 cfs
Gradient 49 FPM
Length 2 Miles
Class III- to IV
Current Weather 76° Mostly Sunny then Isolated T-storms and Breezy

Summary

Shoshone (Power Plant to Grizzly Creek) is currently runnable with streamflow levels at 3460cfs, about 73% above the average runnable rate of 2000cfs. We recommend paddling this section of the Colorado River between a bare minimum of 500cfs and a high of 10000cfs.

This class III- to IV journey is accessible from 2 different boat launch points along the Colorado River. Paddlers should prepare for the 4 class III- to IV whitewater rapids along this run. Streamflow levels and subsequent run conditions for Shoshone (Power Plant To Grizzly Creek) are sourced from the nearby USGS streamflow gauge at Colorado River Near Dotsero, Co..


A solid and fun Class III section with good river access and a paved bike path along the river for hiking rapids to hit over and over again.  Maneater rapid about half way down is a good spot to hike and hit numerous times.  Watch out for commercial rafting traffic which can be heavy during the weekends of July and early August. Weather on the river today will be isolated showers and thunderstorms after noon. increasing clouds, with a high near 76. breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. winds could gust as high as 35 mph. chance of precipitation is 20%.

Season Begins: January & Ends: December

Seasonal Flow Status: 53% Above Average

With a 3460cfs streamflow rate, Shoshone (Power Plant To Grizzly Creek) is currently above its 2970cfs average seasonal streamflow for this time of year by 53%. Typically, this paddling destination has seen streamflow levels ranging between a low of 1410cfs in 2012, and a high of 4530cfs seen in 2015. Data for this report is sourced directly from USGS streamflow gauge 09070500



Hourly Forecast: 76° Today, Mostly Sunny then Isolated T-storms and Breezy

Over the course of the next 5 days, weather conditions on the river are expected to range between A chance of rain and snow showers before 9am, then a chance of rain showers. Some thunder is also possible. Mostly cloudy, with a high near 54. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. to isolated showers and thunderstorms after noon. increasing clouds, with a high near 76. breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. winds could gust as high as 35 mph. chance of precipitation is 20%. Forecasts predict more snow this week across Colorado, with up to 4" of new snowfall expected on the river over the next 5 days.

Forecast Discussion

000 FXUS65 KGJT 161042 AFDGJT Area Forecast Discussion National Weather Service Grand Junction CO 442 AM MDT Thu May 16 2019 .SHORT TERM...(Today through Friday) Issued at 441 AM MDT Thu May 16 2019 Significant changes to our weather pattern will start to take shape today with the introduction of pre-frontal winds in increasingly strong southwest flow. Deep mixing is anticipated by this afternoon, even with an increase in mid/high level cloud cover. Then throw in a few high based virga showers passing over the lower valleys of east-central and southeast Utah and west- central Colorado this afternoon and we have the ingredients in place to drive gusty winds down to the surface. Peak speeds should arrive in the 45 to 55 mph range by this afternoon and earlier issued wind advisories have been expanded a bit to include west- central Colorado. On the convective front, latest runs of the HRRRE and NamNest keying on a few stronger cells developing this afternoon over the higher terrain near the divide. While trends are similar, placement and timing of individual cells differs greatly. Both hinting at a little more organized activity firing on the south facing slopes of the Grand Mesa late this afternoon. Cells then drive north and cross I-70 between 6 and 8 pm, before heading north into the Flat Tops and across our northern tier zones by midnight. Will maintain at least scattered coverage of showers and thunderstorms into the evening hours, focused east of a line from Craig to Durango. Isolated coverage elsewhere and with dry boundary layer conditions, strong outflow winds will be the biggest threat with cells today. Strong surface front will sweep through late tonight and Friday, ushering in a solid 10 to 20 degree cooldown across the forecast area. Widespread showers will break out during the day as moisture fills in behind the front. Still expect breezy to windy conditions, especially across the San Juans and southern valleys, which is typical behind these Pacific waves. .LONG TERM...(Friday night through Wednesday) Issued at 441 AM MDT Thu May 16 2019 Showers and thunderstorms will persist ...



Whitewater Rapids and Obstacles

Obstacle Summary Class Elevation
China Wall

I have heard this rapid being called Superstition many times.

Bike path on river right.  Makes it an easy scout for first timers and also makes it easy to lap!
III to IV 5893.52 Feet
Maneater

III 5871.69 Feet
Tombstone

III 5878.43 Feet
All Day Wave

Every run has an all day wave.  Here is Shoshone's.

I 5881.36 Feet

Regional 5 Day Forecasts


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Run Overview

Permitted Watercraft

Kayaking
Sup
Rafting

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