QuikScat Commercial Distribution and Use
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Transcript of QuikScat Commercial Distribution and Use
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QuikScatQuikScat Commercial Distribution and Commercial Distribution and
UseUse
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The Best Weather Comes from OCENS
Commercial Use & DistributionMarkets
Barriers to Entry
Usage Statistics
Case Studies
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The Best Weather Comes from OCENS
Market TargetsSail and Power Cruising
Ocean Racing
Commercial and Sport Fishing
Tug and Barge
Shipping
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The Best Weather Comes from OCENS
Markets Obstacles to QuikScat Commercial
Distribution
Cost-effective data access and transfer
Intuitive data display and interpretation
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The Best Weather Comes from OCENS
Data Transfer All Markets Share Common Data Transfer
Traits Slow speed of data transfers (1200 to
9600 baud) High cost of minutes for data transfers
($1 to $3 per minute)
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The Best Weather Comes from OCENS
Data Transfer OCENS included QuikScat into its WeatherNet
data distribution system: World’s largest collection of weather, ocean
and aviation content Organized into a cohesive library of
graphical, text and GRIB products allowing for site-specific selection
Built around an efficient and cost-effective engine for the retrieval of these data over satcomm and other networks.
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The Best Weather Comes from OCENS
WeatherNet
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The Best Weather Comes from OCENS
Data Transfer Included in WeatherNet after converting to
an interactive GRIB format GRIB data format reduced size of data
transfer; Interactive data selection allows user to
customize product request to their specific area of geographic interest.
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The Best Weather Comes from OCENS
Data Transfer Net effect of WeatherNet integration and
conversion to GRIB on satcomm download times:
QuikScat GRIB covering NE Pacific Globalstar: 20 seconds Iridium: Just under 1 minute Inmarsat, MSAT: Just over 1 minute
As opposed to minimum 5 to 10 minute satcomm connect to retrieve QuikScat bmps from http://manati.orbit.nesdis.noaa.gov/quikscat/
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The Best Weather Comes from OCENS
Markets Obstacles to QuikScat Commercial
Distribution Cost-effective data access and transfer Intuitive data display and interpretation
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The Best Weather Comes from OCENS
Data Display Must address need for auto-display Must offer user insight into coverage and
age of most recent data available for their geographic area BEFORE data is downloaded
Must deal with issue of rain flagging and differences in age of data retrieved and displayed.
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The Best Weather Comes from OCENS
Data Display
OCENS GRIB Explorer Auto-launched by WeatherNet at end of data
retrieval Orbital model in GRIB Explorer displays date
and time of QuikScat scatterometer passes; Age differences are coded to unique colors;
Square box is added to base of rain contaminated QuikScat wind flags
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The Best Weather Comes from OCENS
Data Display
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The Best Weather Comes from OCENS
Data Display
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The Best Weather Comes from OCENS
Data Display
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The Best Weather Comes from OCENS
Usage Dramatic Growth in QuikScat Usage
Monthly Kilobytes of QuikScat Data Transferred through WeatherNet
0200040006000800010000120001400016000
May-04
Jul-04
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Jul-05
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The Best Weather Comes from OCENS
Usage QuikScat represents sizable fraction of all
WeatherNet wind downloads (graphical and GRIB) % of All Wind Downloads which are QuikScat
0%2%4%6%8%10%12%14%16%18%20%
May-05
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The Best Weather Comes from OCENS
Usage Atlantic Ocean is region of highest demand
Better than 80% of all QuikScat downloads are for downloads covering the Atlantic Ocean basin
Higher resolution data, if available, is popular Better than 60% of all Atlantic Ocean QuikScat
downloads are selected from 12.5 km categories Average size of QuikScat download
increasing through time Users are benefiting from customizable categories
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The Best Weather Comes from OCENS
Case Studies
Global Challenge circumnavigation MWXC route forecasting
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The Best Weather Comes from OCENS
Case Studies
Global Challenge circumnavigation 30,000 nm ocean yacht race sailing against the prevailing winds Outfitted with OCENS WeatherNet and GRIB Explorer QuikScat data proved indispensable
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The Best Weather Comes from OCENS
Case Studies
QuikScat usage in Global Challenge Used to calibrate model forecast wind GRIBS
Compare observed location of a weather feature in QuikScat with predicted location from the pertinent weather model
Determine ‘on-the-fly’ if model was running ahead of or behind reality
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The Best Weather Comes from OCENS
Case Studies QuikScat usage in Global Challenge
Dissect weather features Estimate wind speed and direction over anticipated course Using repeated images, estimated speed and dynamics of approaching frontal activity Permits advance prep of sail and yacht maneuvers AHEAD of the wind shifts and
maintain optimum course DURING the frontal passage!
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The Best Weather Comes from OCENS
Case Studies QuikScat usage in Global Challenge
Dissect Weather Features
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The Best Weather Comes from OCENS
Case Studies
QuikScat usage in Global Challenge Used Rain Contamination flags as ‘canaries’
Forewarned of squally conditions that may not appear on other met products
Aids in vessel position, sail deployment and crew safety
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The Best Weather Comes from OCENS
Case Studies QuikScat usage in Global Challenge
Use of Rain Contamination Flags
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The Best Weather Comes from OCENS
Case Studies
QuikScat usage in MWXC Routing Vessel routing service that supports much of the Caribbean yachting community Uses QuikScat to validate suite of model and text forecast products Communicates routing recommendations to client vessels using sideband…
Obtains immediate feedback from clients about prevailing conditions
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The Best Weather Comes from OCENS
Case Studies
QuikScat usage in MWXC Routing QuikScat data ‘amazingly precise’ when validated against in situ observations by
client vessels Squall activity which is very important to the at-sea sail cruiser is readily
identified in QuikScat Not well depicted in model data or other analysis/forecast products
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The Best Weather Comes from OCENS
Looking Ahead Suggested Improvements from User Community
Higher resolution data for wider geographic area Ability to depict time series of historical along with current data for a target area Make data available for inshore areas Rain contamination info is valuable product in and of itself