Rick Thoman

@alaskawx.bsky.social

Climate specialist with ACCAP/IARC at UAF, highlighting Alaska and Arctic climate, environment & Indigenous cultures. Opinions are my own. Alaska and Arctic Climate Newsletter: https://alaska-arctic-climate.beehiiv.com

Best way to use purpleair.com map: click on the gear icon at upper left and choose "US EPA" in the "Apply Conversion" setting, or else readings will be too high. Also uncheck the box "show inside" to avoid seeing monitors located indoors, which have a black circle around the colored dot on the map.

purpleair.com dialog box that comes up after clicking on the gear icon at upper left.

For the 0-2 followers here who have ever wondered what the ridge traverse segment between The Ramp and Mt. Williwaw is like, here is my trip report from Sat. It is 2.5 km of Class 3/4 gendarmes on top of the ridge for 2 hours, or a 3-hour, side-hilling suffer-fest below the ridge. 0 out of 5 stars.

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If you’ve got kids thinking about college, or if you’re thinking about college, UAF is — no lie — an incredible value. Small class sizes, taught by world-class researchers (even at the undergraduate level), in a beautiful part of the world. ~$24K/year w/housing www.uaf.edu/finaid/costs...

Tuition & Fees | Financial Aid

uaf.edu

Anchorage Daily News@adn.com · 21h ago

In a bid to attract more students from outside of Alaska, the UA Board of Regents voted to eliminate higher tuition rates for students with out-of-state residency. www.adn.com/alaska-news/...

Monday ice update - #Arctic sea ice extent is currently the 12th lowest on record (JAXA data)... • about 10,000 km² below the 2010s mean • about 840,000 km² below the 2000s mean • about 1,680,000 km² below the 1990s mean • about 2,440,000 km² below the 1980s mean More: zacklabe.com/arctic-sea-i...

Line graph time series of 2026's daily Arctic sea ice extent compared to decadal averages from the 1980s to the 2010s. The decadal averages are shown with different colored lines with purple for the 1980s, blue for the 1990s, green for the 2000s, and white for the 2010s. Thin white lines are also shown for each year from 2000 to 2025. 2026 is shown with a thick gold line. There is a long-term decreasing trend in ice extent for every day of the year shown on this graph between July and September by looking at the decadal average line positions.

Sea ice extent as of August 1 in the Chukchi and Beaufort Seas is the seventh highest in the satellite era (since 1979) and higher than any year since 2000 in NSIDC data. For the third year since 2023, ice scraps have drifted in the current into the western Bering Strait. #akwx #Arctic #SeaIce

Left: Daily sea ice extent for the combined Chukchi and Beaufort Seas each year 1979 to 2026 with the past two years and the smoothed 1991-2020 median. Right: NWS Alaska Sea Ice Program sea ice concentration analysis to August 1, 2026.

July 2026 rainfall around Alaska was (as usual) highly variable. Exceptionally wet in the Cook Inlet area with near record high totals in many locations. Also way above normal totals across southwest Alaska. Northern Southeast quite dry. Mixed bag in the Interior and northwest Alaska. #akwx #Climate

Map of Alaska showing July 2026 total precipitation as a percent of the 1991-2020 normals (when available, otherwise 1981-2010). Values are shown colored circles with selected locations annotated.