At the request of the National Weather Service forecast office in Guam (where the National Weather Service’s day begins), CIMSS is computing a small region of LightningCast Probabilities that uses Himawari-8 data. The Guam forecast office issues a lightning ‘advisory’ if lightning is possible or occurring within 20 mi of... Read More
2.5-minute rapid scan JMA Himawari-8 Visible (0.64 µm) images (above) showed rapidly-intensifying Typhoon Hinnamnor as it once again reached Category 5 intensity (ADT | AiDT | SATCON) about 3 hours after local sunrise on 31 August 2022. Mesovortices rotating within the eye were evident though breaks in patchy high clouds overhead.2.5-minute Himawari-8 Infrared... Read More
2.5-minute rapid scan JMA Himawari-8 Visible (0.64 µm) images (above) showed rapidly-intensifying Category 4 Typhoon Hinnamnor as it moved across the West Pacific Ocean (southeast of Japan) on 29 August 2022. Mesovortices within the eye were faintly evident though breaks in patchy high clouds overhead.2.5-minute Himawari-8 Infrared (10.4 µm) images (below) revealed... Read More
GOES-16 (GOES-East) Fire Tempera ture RGB images (above) showed the rapid north-northwestward spread of a wind-driven grassland fire across Sioux County in far southern North Dakota during the early afternoon hours on 21 August 2022. South-southeasterly winds were gusting to 17-18 knots (19-21 mph) at surrounding METAR sites during that time period.The GOES-16 Fire Temperature... Read More
