mesoscale observations in hurricanes robert houze university of washington first us-china symposium...
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![Page 1: Mesoscale Observations in Hurricanes Robert Houze University of Washington First US-China Symposium on Meteorology, Norman, Oklahoma, 26 February 2008](https://reader037.vdocuments.us/reader037/viewer/2022110207/56649d585503460f94a37b21/html5/thumbnails/1.jpg)
Mesoscale Observations in Mesoscale Observations in HurricanesHurricanes
Robert HouzeRobert HouzeUniversity of WashingtonUniversity of Washington
First US-China Symposium on Meteorology, Norman, Oklahoma, 26 February 2008First US-China Symposium on Meteorology, Norman, Oklahoma, 26 February 2008
Aug-Sep
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KatrinaKatrina OpheliaOphelia RitaRita
Hurricanes investigated in RAINEX
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November 2006
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March 2007
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RAINEX Innovations:
•Real-time high-resolution numerical forecasts
•Used high-resolution ELDORA radar
•Scientists on the ground directed the aircraft
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Cleo 1958
Jimena1991
Inez 1966
Katrina 2005
Typical Operational Flight Tracks
Same for last 50 years!
“Figure 4Pattern”
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RAINEX Flight PlanRAINEX Flight Plan
Detailed Doppler Coverage of rainbands & eyewalls
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Detailed Doppler Coverage of rainbands & eyewalls
RAINEX Flight PlanRAINEX Flight Plan
Dropsondes
Detailed Doppler Coverage of rainbands & eyewalls
Supported by high frequency dropsondes
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RAINEX Flight CoordinationRAINEX Flight Coordination
ELDORA radar
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RAINEX OperationsModel output
A/C radar data & tracks
Coastal radars
Satellite data
Integrated display
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Katrina
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Katrina
![Page 13: Mesoscale Observations in Hurricanes Robert Houze University of Washington First US-China Symposium on Meteorology, Norman, Oklahoma, 26 February 2008](https://reader037.vdocuments.us/reader037/viewer/2022110207/56649d585503460f94a37b21/html5/thumbnails/13.jpg)
Katrina
![Page 14: Mesoscale Observations in Hurricanes Robert Houze University of Washington First US-China Symposium on Meteorology, Norman, Oklahoma, 26 February 2008](https://reader037.vdocuments.us/reader037/viewer/2022110207/56649d585503460f94a37b21/html5/thumbnails/14.jpg)
Katrina
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Katrina
![Page 16: Mesoscale Observations in Hurricanes Robert Houze University of Washington First US-China Symposium on Meteorology, Norman, Oklahoma, 26 February 2008](https://reader037.vdocuments.us/reader037/viewer/2022110207/56649d585503460f94a37b21/html5/thumbnails/16.jpg)
Katrina
![Page 17: Mesoscale Observations in Hurricanes Robert Houze University of Washington First US-China Symposium on Meteorology, Norman, Oklahoma, 26 February 2008](https://reader037.vdocuments.us/reader037/viewer/2022110207/56649d585503460f94a37b21/html5/thumbnails/17.jpg)
Katrina
![Page 18: Mesoscale Observations in Hurricanes Robert Houze University of Washington First US-China Symposium on Meteorology, Norman, Oklahoma, 26 February 2008](https://reader037.vdocuments.us/reader037/viewer/2022110207/56649d585503460f94a37b21/html5/thumbnails/18.jpg)
Katrina
![Page 19: Mesoscale Observations in Hurricanes Robert Houze University of Washington First US-China Symposium on Meteorology, Norman, Oklahoma, 26 February 2008](https://reader037.vdocuments.us/reader037/viewer/2022110207/56649d585503460f94a37b21/html5/thumbnails/19.jpg)
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New Conceptual
Model of Principal Rainband
Hence and Houze 2008
JGR
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Rita
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Rita
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Rita
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Rita
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Rita
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Rita
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RAINEX airborne radar data in Rita
Houze et al. 2007
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New Conceptual Model of Eyewall Replacement
Houze et al. 2007
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SummarySummary
• RAINEX used high-resolution airborne Doppler radar for first time in tropical cyclones
• Ground-directed flight tracks allowed us to focus the aircraft on the mesoscale features within the cyclone
• Obtained improved conceptual understanding of both rainband dynamics & eyewall replacement
![Page 30: Mesoscale Observations in Hurricanes Robert Houze University of Washington First US-China Symposium on Meteorology, Norman, Oklahoma, 26 February 2008](https://reader037.vdocuments.us/reader037/viewer/2022110207/56649d585503460f94a37b21/html5/thumbnails/30.jpg)
Some Implications
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Thank you!