High-Latitude Proving Ground Eric Stevens University of Alaska, Fairbanks 7/7/2014PG All-Hands Call1.

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Presentation transcript:

High-Latitude Proving Ground Eric Stevens University of Alaska, Fairbanks 7/7/2014PG All-Hands Call1

“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 7/7/2014PG All-Hands Call2

7/7/2014PG All-Hands Call3

“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? 7/7/2014PG All-Hands Call4

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Challenge Number 1: Clouds 7/7/2014PG All-Hands Call6

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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? 7/7/2014PG All-Hands Call10