With the increasing threat for strong to severe convection across the western portion of Hawai’i, a Severe Thunderstorm Watch was issued for an area centered on the island of Kauai at 1522 UTC on 30th January 2025 (above).5-minute CONUS Sector GOES-18 Clean Infrared Window (10.3 µm) images (above) showed elongated... Read More
1-minute Mesoscale Domain Sector GOES-16 (GOES-East) Red Visible (0.64 µm) images (above) showed a long, narrow convective cloud band associated with a strong cold front that was moving southward and southeastward across New York and Pennsylvania on 29th January 2025. Strong winds coupled with moderate-to-heavy snow along this cloud band prompted the issuance of numerous... Read More
GOES-16 Upper-level water vapor infrared imagery for the 2.5 days ending at 1331 UTC on 22 January 2025, above as an mp4 (click here for a 125-megabyte animated gif) shows an active subtropical jetstream initially across the Gulf States. The jet deforms as an impulse drops south through California. Note... Read More
1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Clean Infrared Window images (above) showed the thunderstorm that produced a EF-U rated tornado just east of Interstate 5 in northern Tehama County, California late in the day on 3rd January 2025 (this was the first verified tornado in the US for 2025). Cloud-top 10.3 µm infrared brightness... Read More
