JMA Himawari-9 Infrared Window (10.4 µm) images (above) showed Cyclone Freddy in the South Indian Ocean as it was rapidly intensifying from a Category 1 to a Category 3 storm by 12 UTC on 11 February 2023 (JTWC discussion), eventually presenting a ragged eye for several hours — then briefly reaching... Read More
Using a combined LEO/GEO approach, ABI and VIIRS retrievals are used to estimate flooding from a satellite perspective. Individual flood products from VIIRS and ABI (or AHI, depending on location) are blended to create the NOAA LEO/GEO Flood Mapping Product.An example is shown below over the... Read More
Heavy rains have finally hit California, which declared a state of emergency on Wednesday January 4 due to extreme rainfall amounts. The GOES-West enhanced Band 9 imagery (6.9 µm, mid-level water vapor) illustrates how moisture associated with the recent similar Trans-Pacific atmospheric river generated heavy rainfall for much of California, Oregon, and... Read More
NOAA‘s GOES ABI has been monitoring the late year cold air outbreak over the contiguous US. Infrared ImageryDuring these extreme cold air outbreaks, it may seem like the infrared imagery “confuses” clouds and the cold ground, but this isn’t the case as the instrument just monitors the heat of the... Read More
