Satellite Liaison Blog

Early on 22 April 2026, low stratus and fog developed over the southern part of Lake Michigan and began moving toward the Wisconsin shoreline. NWS Milwaukee monitored the evolution of the low cloud deck by leveraging satellite imagery in combination with surface-based observations. From NWS Milwaukee early morning AFD update on the 22nd: “GOES Satellite […]

Sinlaku was the first monster typhoon of the 2026 season, reaching Category 5 intensity with maximum sustained winds of 180 mph. The typhoon impacted U.S. territories, including Guam and the Northern Mariana Islands, bringing strong winds and heavy rainfall. The NESDIS Ensemble Tropical Rainfall Potential (eTRaP) product provided situational awareness to the Guam NWS Weather [&#...

A severe weather event brought several tornadoes and hundreds of severe wind and hail reports to the central United States, with a concentration of reports across Iowa, southern Wisconsin, and northern Illinois. There were numerous hail reports in excess of 2 inches in diameter, with some over 4 inches. Analyzing water vapor imagery from before, […]

Artemis II launched at 2235 UTC on 1 April 2026. GOES 30-second imagery from two overlapping mesoscale sectors, along with 1-minute GOES-West imagery, was requested by the NWS to monitor the weather around the launch area and observe the launch itself. GOES imagery during the day showed cumulus cloud cover over the area earlier in […]