The Performance of Minimet Wind and Temperature Chain Drifters in Hurricane Rita William Scuba and...
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Transcript of The Performance of Minimet Wind and Temperature Chain Drifters in Hurricane Rita William Scuba and...
![Page 1: The Performance of Minimet Wind and Temperature Chain Drifters in Hurricane Rita William Scuba and Peter Niiler Scripps Institution of Oceanography La.](https://reader035.fdocuments.net/reader035/viewer/2022062620/551b4f2a550346d41a8b5ecf/html5/thumbnails/1.jpg)
The Performance of Minimet Wind and The Performance of Minimet Wind and Temperature Chain Drifters in Hurricane Temperature Chain Drifters in Hurricane
RitaRita
William Scuba and Peter NiilerWilliam Scuba and Peter Niiler
Scripps Institution of OceanographyScripps Institution of Oceanography
La Jolla, California, U.S.A.La Jolla, California, U.S.A.
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Buoy’s Deployment Position and Path of Hurricane Rita
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System ComponentsSystem Components
Minimet sphere and electronics – Pacific GyreMinimet sphere and electronics – Pacific Gyre Temperature chain components – Clearwater Temperature chain components – Clearwater
InstrumentsInstruments Temperature chain construction – Scripps Temperature chain construction – Scripps
Institution of OceanographyInstitution of Oceanography Parachute and rigging – AEROParachute and rigging – AERO Deployment – 53Deployment – 53rdrd “Hurricane Hunters” U.S. Air “Hurricane Hunters” U.S. Air
Force SquadronForce Squadron
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Temperature Chain NodesTemperature Chain Nodes
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Getting the Data Through ARGOSGetting the Data Through ARGOS
2005-09-21 19:48:31 6.5 6.7 6.5 6.4 6.4 6.2 5.9 5.1 3.8 2.9 2.42005-09-21 19:48:31 6.5 6.7 6.5 6.4 6.4 6.2 5.9 5.1 3.8 2.9 2.42005-09-21 20:03:31 0.0 0.0 0.0 0.0 0.0 -0.1 -0.1 -0.2 -0.1 -0.1 0.02005-09-21 20:03:31 0.0 0.0 0.0 0.0 0.0 -0.1 -0.1 -0.2 -0.1 -0.1 0.02005-09-21 20:18:31 0.0 0.0 0.0 0.0 0.0 0.0 -0.1 -0.3 -0.1 -0.1 0.02005-09-21 20:18:31 0.0 0.0 0.0 0.0 0.0 0.0 -0.1 -0.3 -0.1 -0.1 0.0
8 Pages used8 Pages used 1 for SST, atmospheric pressure, wind speed and wind direction1 for SST, atmospheric pressure, wind speed and wind direction 7 for temperature chain data7 for temperature chain data
5 hours and 15 minutes of temperature data archived5 hours and 15 minutes of temperature data archived
If measured value is < 2 then 30 is added to temperature value, If measured value is < 2 then 30 is added to temperature value, otherwise, 20 is added to temperature valueotherwise, 20 is added to temperature value
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Packaging the InstrumentsPackaging the Instruments
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Data from Hurricane Katrina
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Buoys at Dobbins AFBBuoys at Dobbins AFB
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Deployment Planning
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Drifter Tracks
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SurvivabilitySurvivability 2005: 20 of 20 drifters transmitted data 2005: 20 of 20 drifters transmitted data
through hurricane through hurricane RitaRita (Category 5) (Category 5) All 8 of 8 temperature chains functioned properlyAll 8 of 8 temperature chains functioned properly
2004: 35 of 39 drifters transmitted data 2004: 35 of 39 drifters transmitted data through hurricane through hurricane FrancesFrances (Category 4) (Category 4) Only 1 of 8 temperature chains functioned Only 1 of 8 temperature chains functioned
properlyproperly
2003: 8 of 16 drifters transmitted data 2003: 8 of 16 drifters transmitted data through hurricane through hurricane FabianFabian (Category 4) (Category 4)
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Data on the GTSData on the GTS
New GTS templates created New GTS templates created Buoy pressure and SST data where Buoy pressure and SST data where
assimilated into the hurricane assimilated into the hurricane prediction models in real timeprediction models in real time
Subsurface temperature not on the Subsurface temperature not on the GTS right awayGTS right away
Special thank to Mayra, Etienne and Special thank to Mayra, Etienne and Andy for their work on getting the Andy for their work on getting the data on the GTSdata on the GTS
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Subsurface Temperature Profiles
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Wind Speed Plot
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SummarySummary
Experiment methodology proved Experiment methodology proved successful for obtaining surface and successful for obtaining surface and subsurface data in hurricanessubsurface data in hurricanes
Temperature chain technology Temperature chain technology tested and proved successfultested and proved successful
Wind speed has yet to be examinedWind speed has yet to be examined
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The EndThe End