High latitude proving ground
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High-Latitude Proving Ground. Eric Stevens University of Alaska, Fairbanks. “Areal Extent” VIIRS Flood Product. Originally developed in wake of disastrous “breakup” flooding on Yukon River at Galena, Alaska in May, 2013

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High-Latitude Proving Ground

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High latitude proving ground

High-Latitude Proving Ground

Eric Stevens

University of Alaska, Fairbanks

PG All-Hands Call


Areal extent viirs flood product

“Areal Extent” VIIRS Flood Product

  • Originally developed in wake of disastrous “breakup” flooding on Yukon River at Galena, Alaska in May, 2013

  • Product available in AWIPS2 at WFO Fairbanks and Alaska-Pacific RFC in time for breakup 2014; product still being generated and delivered

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High latitude proving ground

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Areal extent viirs flood product1

“Areal Extent” VIIRS Flood Product

  • Widespread heavy rains over Interior Alaska near Fairbanks during second half of June and into early July

  • Today’s question: is this product useful during non-breakup flooding during the summer?

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High latitude proving ground

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Challenge number 1 clouds

Challenge Number 1: Clouds

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High latitude proving ground

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High latitude proving ground

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High latitude proving ground

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What have we learned

What Have We Learned?

  • While Spring Breakup is often accompanied by clear skies, summer floods are unsurprisingly accompanied by extensive cloud-cover

  • In rougher terrain, the horizontal extent of flooding can be quite restricted, even though impact to the public is still significant

  • Glaciers: any utility in forecasting jokaloups?

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