CIMSS

The forecast for D-Day turned the tide of history:

How important was the weather forecast on D-Day? D-Day was the name given to the June 6, 1944, invasion of the beaches at Normandy in northern France by troops of the Allied Forces during World War II. The goal was to cross the narrow, often stormy, English Channel into Nazi-occupied France.The successful D-Day invasion required a combination of e...

GOES-16 is out of storage for testing for about 2 weeks. Here is a full disk image with the CIMSS Natural Color enhancement today (5/15/2026) at 19:00 UTC, which is local noon for the satellite. It's a slightly different view from what we're used to from GOES-East (75W) or GOES-West (137W) since it is centered at 105W.

What are iceballs? Linda Deith asked the Weather Guys:

What are ice balls and how do they form? If you were lucky enough to be walking along Lake Mendota shoreline at Shorewood Hills and Frautschi Point on March 16, 2026, you might have seen ice balls, or ice eggs, floating in the water. This was a rare occurrence of naturally formed balls of ice that form in cold water.While they look a littl...