The ProbSevere LightningCast version 1 (v1) model uses machine learning and GOES-R Advanced Baseline Imager (ABI) data to predict the probability of lightning in the next 60 minutes. This version will be operational at NOAA later in 2025.As research and development continues, a new version of the model (LightningCast v2) adds... Read More

High spatial resolution satellites like the Landsat series operated by NASA and the US Geological Survey, or Sentinel operated by the European Space Agency, are often used for land process investigations. Their very high spatial resolution comes at the cost of less frequent overpasses over specific locations, and so they... Read More

The potent cyclone (surface analysis, an airmass RGB animation from the College of Dupage website is below) that caused severe weather over Hawaii (blog post) is also drenching the islands with considerable rains. The animation of MIMIC Total Precipitable Water, above, shows the storm drawing tropical moisture northward from the Intertropical Convergence Zone. The airmass RGB,... Read More

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