Northeast Winter Storm January 19-20, 2019

At the time of this writing, the northeast United States is in the grip of a frigid air mass in the wake of a winter storm which brought widespread snowfall, along with a variety of mixed precipitation, to the Eastern Seaboard. While today’s winds and associated below-zero wind chill factors are a topic for a future blog post, today we focus on the physical mechanisms which are responsible for creating various types of frozen precipitation. Continue reading “Northeast Winter Storm January 19-20, 2019”

Can volcanoes affect the weather?

At the time of this writing, news outlets are reporting of the deadly tsunami, or tidal wave, that was triggered by the collapse of the Krakatoa volcano in Indonesia. While a tsunami is not itself a meteorological event (and can be discussed in more detail in a later post), the National Weather Service does have two branches, the National Tsunami Warning Center and the Pacific Tsunami Warning Center, which are responsible for monitoring the oceans for conditions which may trigger a tsunami. Continue reading “Can volcanoes affect the weather?”