GOES-13 (GOES-East) Visible (0.63 µm) and Infrared Window (10.7 µm) images (above) showed that a cluster of thunderstorms began to develop in far southeastern Saskatchewan around 20 UTC on 09 May 2016, which quickly grew into a large supercell thunderstorm that moved across southwestern Manitoba. This thunderstorm exhibited overshooting tops and a... Read More
The 2016 Atlantic Tropical Season’s third named storm has formed in the Gulf of Mexico just north of the Yucatan Peninsula; Colin became the earliest named “C” storm on record for that basin. MIMIC Total Precipitable Water values for the 72 hours ending at 2300 UTC on 5 June 2016, above, show the storm embedded within a deep band of tropical moisture... Read More
Tropical Depression 2 was upgraded to Tropical Storm Bonnie at 2100 UTC on Saturday 28 May, the second named storm of the 2016 Atlantic Season (Hurricane Alex, which formed in January, was the first named storm). The water vapor animation above shows that Bonnie’s initial spin may be traced to a front associated with an occluded... Read More
A vigorous clipper-type shortwave moved rapidly southeastward across the Upper Midwest on 02 April 2016; there were widespread convective elements associated with this system as seen in GOES-13 Visible (0.63 µm) images (above), which produced moderate to heavy snowfall at times (and even thundersnow) creating brief white-out conditions (time-lapse video from the... Read More
