MODIS True-Color imagery at SSEC‘s MODIS Today website includes daily data starting in late 2007. These images can provide a brief climatology for surface/atmospheric conditions. The animation above shows snowpack over the Sierras and the intermountain west for one day (either the 24th or 29th) in late November from 2007 through... Read More

Cold arctic air (surface air temperatures in the upper teens to lower 20s F) flowing across the still-warm waters of Lake Erie and Lake Ontario (sea surface temperature values as warm as the middle to upper 40s F) were 2 ingredients that helped create... Read More

According to the Alaska Volcano Observatory, an eruption of the Pavlof Volcano began around 01:50 UTC on 13 November 2014. A comparison of nighttime images of Suomi NPP VIIRS 0.7 µm Day/Night Band (DNB) and 3.74 µm shortwave IR data at 13:07 UTC... Read More

GOES-13 0.63 µm visible channel images (above; click image to play animation) revealed the presence of numerous cloud streamers originating over the Lake Oahe and Lake Sharpe reservoirs along the Missouri River in South Dakota on 13 November 2014. At times these cloud... Read More