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Fly Fish Food Jimmy's / Fishing Reports (Page 54)

Main Stem Snake River, November 13th, 2021

November 13, 2021
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Fishing Reports, Main Stem Snake River

It is “Brown Trout Time” along the river from American Falls Reservoir upstream to the Henry’s Fork confluence. Browns are migrating and aggressive. Low light conditions, like we have today, are best times for success while presenting streamer patterns for them. Below American Falls Reservoir flow is down to around 1000 cfs making for good access. Flows will likely go lower as every effort will be made this winter and spring to fill the reservoir. Several streamer patterns and woolly bugger types are effective here depending on who you talk to and where/how you present them.

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Still Waters, November 13th, 2021

November 13, 2021
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Fishing Reports, Still Water

Although they have been drawn down, several irrigation reservoirs in the southeast area remain ice free. American Falls,Chesterfield, Daniels and Springfield are among these. Try patterns such as leeches, nymphs, halloween and other woolly bugger types under indicators after finding the taking depth, or strip streamer and woolly bugger patterns of choice.

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South Fork, November 9th, 2021

November 9, 2021
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Fishing Reports, South Fork

We might be down to winter maintenance flows ( about 950 cfs at Irwin, 1400 cfs at Heise, 850 cfs at Lorenzo). Water is becoming too cold for BWO activity, so top water fishing may be down to only midge activity. Presenting streamer and woolly bugger patterns will get you more activity in these pre-winter days.

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Henry’s Fork, November 9th, 2021

November 9, 2021
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Fishing Reports, Henry's Fork

Streamers and nymph patterns are the ” Name of the Game” up and down the river now.

All of us are interested in what upcoming winter snowfall and water situations will be for the Henry’s Fork drainage. Such information can provide likely water conditions during the next angling season. Thus we will continue reporting what information Dr Rob Van Kirk assembles each week on the drainage water conditions. Information Rob offers from his Monday,November 8th report follows.

Headlines:  

  • Yesterday’s mean temperature was the coldest since March 31, and some precipitation lingering from the weekend was recorded very early yesterday morning.
  • Natural flow has dropped a little over the past day or two to 73% of average for the date.
  • At a mean outflow of 120 cfs, Island Park Reservoir gained 473 ac-ft yesterday and is 60% full, compared with 57% full on average.
  • Above-average temperatures and near- to above-average precipitation are expected to continue.

Details:

Yesterday’s mean temperature was the lowest since March 31, although it wasn’t even all that cold, at 3 degrees F below average. A little precipitation leftover from Sunday was recorded very early yesterday morning at a few locations in the northern and eastern areas of the watershed. Snow accumulation so far this fall remains below average, despite above-average precipitation. At least for now, the combination of warm temperatures and above-average precipitation is favorable to increase soil moisture prior to the inevitable arrival of widespread freezing temperatures and snow accumulation. In general, temperatures are expected to remain at or above average, and near- to above-average precipitation is also expected to continue.

Watershed-total natural flow has dropped a little over the past day or two and is 73% of average for the date and 75% of average for the water year so far.  

At an average outflow of 120 cfs, Island Park Reservoir gained only 473 ac-ft yesterday on a day without precipitation. Over the weekend, a substantial fraction of reservoir fill was due to direct precipitation on the reservoir. Precipitation forecast over the next week will add around 250 ac-ft over and above that due to stream inflow. The reservoir is 60% full, compared with 57% full on average.

G

Rob Van Kirk, Ph.D.

Senior Scientist

Henry’s Fork Foundation

P.O. Box 550

Ashton, ID 83420

208-652-3567 OFFICE

208-881-3407 CELL

208-652-3568 FAX

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South Fork, November 6th, 2021

November 6, 2021
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Fishing Reports, South Fork

Flows along the river are about 950 cfs at Irwin, 1410 cfs at Heise and 900 cfs at Lorenzo. These could be much of what we will have during the winter as all effort will be made to fill Palisades Reservoir. Low flows or not, now is the time to present streamers as brown trout are migrating. On going further downstream, the more brown trout will be encountered.

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