According to the Alaska Volcano Observatory, the Pavlof Volcano began to experience a vigorous eruption around 06:50 UTC on 25 June 2013. As daylight arrived a few hours later, the volcanic plume (which contained some ash) was evident on McIDAS images of 1-km... Read More

Very heavy rainfall in much of southwestern Alberta (upwards of 200 mm or 7.9 inches) caused severe flooding in the Calgary (YYC) area beginning on 19 June and 20 June 2013. A sequence of McIDAS images... Read More

GOES-15 (GOES-West) 0.63 µm visible channel images (above; click image to play animation) showed the cloud features over much of Alaska on 21 June 2013 (the day of the summer solstice). Record heat had been occurring across much of Alaska during the previous week, and Barrow (BRW) had a daily... Read More

Two large fires burning in southern Colorado began to produce pyrocumulonimbus clouds and very large smoke plumes, as seen on GOES-13 0.63 µm visible channel (top panels) and 3.9 µm shortwave IR images (bottom panels)  on 19 June (above; click image to play... Read More