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The Icejam: In Pictures

By 250 News

Wednesday, January 30, 2008 03:55 AM

The Nechako icejam as it stretches west from the Foothills Bridge

Prince George, B.C.-  As of late yesterday afternoon, the Nechako River icejam was estimated to span approximately 27-kilometres -- from its confluence with the Fraser to the Bergman Road-area in Miworth.

For those not able to get a first-hand look, Opinion250 braved yesterday’s bitter temperatures to capture some shots of the massive build-up of frazil ice that stretches as far as the eye can see.

While the picture above is looking west from the Foothills Bridge towards Miworth, the picture below is looking east towards the city...

Local emergency officials say it was the combined efforts of the Amphibex and Mother Nature that resulted in an almost seven-kilometre opening in the ice, from fishtrap island to the Nechako’s confluence with the Fraser.

That opening, with its fast-flowing water, is visible looking west from the Cameron Street Bridge.

The City’s Liaison Officer, Kevin Brown, says what appears to be steam rising from the open channel is actually condensation...the water is about one-degree Celsius and begins to condense when it hits the much colder air above.

Below is a shot of the river at the Cameron Street Bridge...

And, then, looking east towards Cottonwood Island Park and the Nechako’s confluence with the Fraser...

EOC Operations Manager, Marco Fornari says it was this area of the river that proved to be very dangerous for the Amphibex.  He says the river narrows and the current is very strong.  A powerboat was brought in to try and push the Amphibex up through the current and, when that didn’t work, the Amphibex was trucked to a spot just west of the Cameron Street Bridge, where it re-entered the river to continue chipping away at the ice.

Finally, the pictures below show the pile-up of frazil ice that has accumulated in the Fraser River since it froze over on Sunday.  The picture on the left is looking north towards the confluence, the picture on the right is looking south towards the CN Rail bridge.


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Comments

Nice pictures, thanks guys, for those of us employed during daylight hours, your pics may be the only chance we have to see the sights. Steam/condensation? basically one and the same, Kevvie. Warm, moisture laden air will condense on a colder surface, or turn to fog upon encountering cooler, drier air.
Sure wish I could have seen the amphidex in action though! How do they get it in and out of the water? winch? or does it walk?
Nice to see the pix. Is anyone doing a CD of the whole enchalada ?

CD .... talk to the Pucks .... they might want ot do a new version of "the river" ...

;-)
For those of you interested in pictures, the City is maintaining a gallery at http://www.city.pg.bc.ca/pages/media2007/emerg/gallery/
my spouse told me of a flood years ago that covered the train tracks and spilled onto first avenue. could this potentially happen here?