Use NOAA Unique Combined Atmospheric Processing System NUCAPS Satellite Soundings to observe the tropical cyclone TC diurnal cycle infrared IR and microwave MW soundings Three case studies Hurricanes Dorian 2019 Florence 2018 Irma 2017 ID: 1045450
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1. Observations of the TC Diurnal Cycle Using NUCAPS Satellite SoundingsUse NOAA Unique Combined Atmospheric Processing System (NUCAPS) Satellite Soundings to observe the tropical cyclone (TC) diurnal cycleinfrared (IR) and microwave (MW) soundingsThree case studies: Hurricanes Dorian (2019), Florence (2018), Irma (2017)Anomalies analyzed in radial bins up to 800 km from the storm centerObservations demonstrate a diurnal cycle in temperature, moisture, and lapse rates Statistically-significant results (95% level) through the depth of the troposphereLargest magnitudes in the upper-troposphere+ symbol indicates statistical significance at the 95% levelPressure (mb)Temperature Anomalies (K)Duran et al. 2021, in reviewInfluence of upper-level cloudsDiurnal cycle in lower troposphere