Extreme Cold, Snow Usher in December 2013

By Chris Dolce
Published: December 9, 2013

-42 Degrees in Montana

The first full week of December 2013 has been packed full of bitter cold, snowy and icy extremes. On the following pages, we walk through some of the most interesting facts about this wintry start to December beginning with the extreme cold.

Map showing the -39 degree temperature in Havre on the morning of Dec. 7.

On the morning of Dec. 7, Jordan, Mont. recorded a low temperature of -42 degrees. Not far behind was Havre, Mont. with a low of -39 degrees. Sunday morning, Harve, Mont. was the coldest spot in the nation with a low temperature of -37 degrees.

That same morning, Great Falls, Mont. dipped to -33 degrees, setting a record for the coldest temperature ever recorded so early in the season. The extreme cold led to power outages in southwestern portions of the city.

Earlier in the week on Dec. 4, a low temperature of -37 degrees was reported at a weather station in Wyoming, according to the National Weather Service in Riverton.

NEXT> Unusual Coastal Snow

Featured Blogs

Record Warmth in Northeastern Canada, Record Cold in Northern Ireland

By Christopher C. Burt
August 26, 2014

August has continued the July pattern of anomalously warm weather in Canada’s far eastern regions with a new all-time record high of 22.7°C (72.9°F) measured at Resolution Island, Nunavut on August 23rd. In contrast, Northern Ireland observed its coldest August temperature on record the morning of August 24th with a -1.9°C (28.6°F) reading.

Cristobal a Hurricane; Little Change to 97L

By Dr. Jeff Masters
August 26, 2014

It doesn't look much like hurricane, but the Hurricane Hunters measured surface winds around 75 mph on Monday evening and Tuesday morning in Hurricane Cristobal, making it the third hurricane of the 2014 Atlantic hurricane season. These missions proved the value of hurricane hunter flights, since there is no way that we would have known Cristobal was a hurricane based on satellite data. The storm is stretched out in a long line of heavy thunderstorms, has no eye or low-level spiral bands, and is giving early August's Hurricane Bertha some stiff competition for ugliest Atlantic hurricane of the century.

Live Blog: Tracking Hurricane Arthur as it Approaches North Carolina Coast

By Shaun Tanner
July 3, 2014

This is a live blog set up to provide the latest coverage on Hurricane Arthur as it threatens the North Carolina Coast. Check back often to see what the latest is with Arthur. The most recent updates are at the top.

Tropical Terminology

By Stu Ostro
June 30, 2014

Here is some basic, fundamental terminology related to tropical cyclones. Rather than a comprehensive and/or technical glossary, this represents the essence of the meaning & importance of some key, frequently used terms.

2013-14 - An Interesting Winter From A to Z

By Tom Niziol
May 15, 2014

It was a very interesting winter across a good part of the nation from the Rockies through the Plains to the Northeast. Let's break down the most significant winter storms on a month by month basis.

What the 5th IPCC Assessment Doesn't Include

By Angela Fritz
September 27, 2013

Melting permafrost has the potential to release an additional 1.5 trillion tons of carbon into the atmosphere, and could increase our global average temperature by 1.5°F in addition to our day-to-day human emissions. However, this effect is not included in the IPCC report issued Friday morning, which means the estimates of how Earth's climate will change are likely on the conservative side.