Tracking Storms with Impacts in the Northwest and Northeast U.S.

A Pacific storm will move across the Northwest U.S. through Thursday with low elevation rainfall, gusty winds, and mountain snows. A storm crossing the Northeast U.S. will continue gusty to high winds, scattered rain showers and limited snow showers into Thursday. Read More >

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This is a loop of 3.9 micron satellite imagery. This is a near-infrared channel that is sensitive to temperatures.

The image at 0130Z (530 pm PST) shows a black spot at Mt St Helens, indicating very warm temperatures. The subsequent images show the cooling of the volcano, as well as the drifting ash cloud to the east.

Ash plume on satellite image loop

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Tracking Storms with Impacts in the Northwest and Northeast U.S.

Minor Mt. Saint Helens Eruption - March 8, 2005