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Stories by Alexa Ross

GOES-17 IFR, Low IFR, and MVFR Probability fields over South Alaska

IFR (Instrument Flight Rules) Probability estimates the likelihood that IFR conditions are occurring by fusing GOES-17 satellite data with model output. The satellite-derived products give output of low IFR, (LIFR), IFR, and Marginal Visual Flight Rules (MVFR). In aviation, the difference between these classifications is generally:Low Instrument Flight Rules (LIFR): Ceilings are less than 500 feet above ground... Read More

Haboob over Nebraska on 05-12-22 seen by GOES-16

GOES-16 provided a view of a haboob over Nebraska on 05-12-2022. A haboob is an intense dust storm or “wall of dust” that occurs in dry conditions in high winds, which were recorded in Nebraska up to 80 mph. Haboobs can bring low visibility and even no-visibility blackouts that cause... Read More

GOES-16 GLM Lightning detection over Minnesota

Wednesday, 05-11-2022, brought storm damage and copious amounts of lightning over Minnesota and parts of South Dakota, Iowa, and Wisconsin. The GOES-16 Geostationary Lightning Mapper (GLM) detected the flash extent density over these areas. A NEXRAD radar composite shows a large bow echo signature around 05-12-2022 01:25Z that spanned the... Read More