DISCUSSION: Over the past several days, there has been a rather impressive extra-tropical low pressure system located just offshore from the Pacific Northwest portion of the United States. As you can clearly see in the image above, this storm has a large comma-head shape as well as a noticeably large warm front sector. This especially large warm front sector is consequently covering a significantly large region of the northwestern United States and is delivering significant precipitation to many people across the region. The impacts from this low pressure system are predominantly in the form of mountain snow and valley rain (as is typical of many different low pressure systems which emerge off of the Eastern Pacific Ocean) which is also delivering more snowfall to the regional ski resorts even as we get deeper into Spring. Nonetheless, this continues to be an impressive early Spring low pressure system that is impacting many people (at lower and higher elevations) across this region. This imagery was captured by the Suomi NPP VIIRS satellite Thursday afternoon. Courtesy of CIMSS.
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©2017 Meteorologist Jordan Rabinowitz