Deep Cold: Alaska Weather & Climate

Deep Cold started off in 2010 as a way that I could share Interior and northern Alaska weather and climate factiods and analyses with friend...

Looking at the 1981-2010 climate normals, September 5th (today) is the day when the normal daily temperature for Juneau is identical to the ...

** Updated with 3-day total for Aniak. ** A truly remarkable rain event has unfolded in Southwest Alaska over the last several days. Both ...

Here's update on Fairbanks temperatures, coming off our the mild August. The end of the hot summer, in retrospect August 18th, shows up ...

A useful measure for estimating surface temperatures is to look at the temperature a little above the ground. The 850mb geopotential height ...

** Updated to answer reader Gary's question ** Climatological summer ends today in the northern hemisphere. Fairbanks ended the summer...

Photo Courtesy of the FAA Update : Brian has a helpful post on the very warm summer at Anchorage and Fairbanks. A cold airmass and cle...

*** 9/2/13 Update: Long-term 850mb and 500mb temperature chart for August was added at the bottom. Note that while the 8/31 500mb temperatur...

August 29th is the anniversary of the earliest snow on record for Fairbanks. On 8/29/1922, 3.0" of snow was recorded. This is the only ...

As the rain continues to fall in Anchorage, it seems like a good time to take stock of the amount of rain falling withing discrete intervals...

In response to my last post about diminishing solar insolation, readers Gary and Mike suggested that the rapid late summer decline in availa...

Today is the 238th days of 2013. The typical date for the first freeze in Fairbanks is right around the corner. Since 1920, the average firs...

Rick's post on Sunday highlighted the hard freeze that occurred Sunday morning at certain locations near Fairbanks and in the Upper Yuko...

After some particularly heavy rainfall events at Keystone Ridge were relayed to me this week, I decided to look at the top 10 precipitation ...

Courtesy of Alaska Climate Research Center Clear skies and a cool airmass allowed temperatures to fall below freezing in many low-lying ...

In the past week, Fairbanks airport received 1.54" of rain, the highest weekly precipitation total since late July 2010.  The long-term...

Here's an update on daily temperature anomalies in Fairbanks. Although it's cooled off quite a bit in the past week, as the plot bel...

The very warm, dry summer that occurred this year in interior Alaska raises the question of whether similar tendencies are likely to persist...

It's a frosty morning at northern interior locations; the new FAA webcam at Allakaket (see below) shows mist and what looks like frost. ...

Snow fell in the Brooks Range yesterday as cooler air worked its way down from the Arctic, and temperatures this morning are close to freezi...