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Record Wettest Day in Philadelphia*

July 29, 2013

Featured Blogs

The Tropics Go Quiet World-Wide

By Dr. Jeff Masters
August 29, 2014

Hurricane Cristobal ceased to be at 11 am EDT on Friday, as the storm completed its transition to a powerful extratropical storm. With Cristobal's transition to an extratropical storm and the demise of the Eastern Pacific's Tropical Storm Marie earlier today, there are now no named tropical cyclones anywhere in the world--an unusual situation for what is traditionally one of the busiest days of the Northern Hemisphere's tropical cyclone season.

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.

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.