Tropical Cyclone Applications of GOES-R Mark DeMaria and Ray Zehr NESDIS/ORA, Fort Collins, CO John Knaff CIRA/CSU, Fort Collins, CO Applications of Advanced.

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Presentation transcript:

Tropical Cyclone Applications of GOES-R Mark DeMaria and Ray Zehr NESDIS/ORA, Fort Collins, CO John Knaff CIRA/CSU, Fort Collins, CO Applications of Advanced Feature Track Winds Tropical Cyclone Intensity Monitoring using the HES –Estimates of HES resolution requirements using GOES- 8 imager data Implications of improved thermodynamic measurements

Estimation of HES Horizontal Resolution Requirements Using GOES-8 Imagery Analyze IR brightness temperatures from recent intense Atlantic hurricanes Degrade resolution from 4 to 8, 16, 32, 48 km Determine impact on eye temperature Surface pressure estimate from HES would require eye temperature down to ~500 hPa (~0 o C) Result: HES resolution of 4 km is highly preferred over 10 km resolution for TC analysis –Similar analysis with MODIS data underway to eliminate possible diffraction effects on the results

Impact of Horizontal Resolution on GOES-8 Brightness Temperature in the TC Eye (4 km resolution required for some storms) Hurricane Mitch with 4, 8, 16, 32 km Resolution (GOES-8 Channel 4) Eye temp vs horizontal resolution for 7 recent major hurricanes