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Royal Yacht Squadron Weather and Communications Day Getting non GMDSS Weather Information Tim Thornton.

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Presentation on theme: "Royal Yacht Squadron Weather and Communications Day Getting non GMDSS Weather Information Tim Thornton."— Presentation transcript:

1 Royal Yacht Squadron Weather and Communications Day Getting non GMDSS Weather Information Tim Thornton

2 March 2007 Smartcom Software Ltd Getting Weather on Board Broadcast Services WeatherFax WeatherFax WeatherFax RTTY RTTY RTTY SYNOP SYNOP SYNOP Internet Services Web browsing Web browsing GRIB files GRIB files Weather Services Future trends

3 March 2007 Smartcom Software Ltd Weatherfax Weather maps transmitted over MF/HF SSB radio at scheduled times Weather maps transmitted over MF/HF SSB radio at scheduled times Offenbach and Northwood in Europe Offenbach and Northwood in Europe Needs PC software or dedicated receiver Needs PC software or dedicated receiver Takes 10-15 minutes to receive a fax Takes 10-15 minutes to receive a fax Needs some practice selecting the best frequency, tuning the radio and receiving the fax Needs some practice selecting the best frequency, tuning the radio and receiving the fax

4 March 2007 Smartcom Software Ltd Weatherfax

5 March 2007 Smartcom Software Ltd RTTY Text weather forecasts transmitted over MF/HF SSB radio at scheduled times Text weather forecasts transmitted over MF/HF SSB radio at scheduled times Offenbach in Europe Offenbach in Europe Needs PC software to decode Needs PC software to decode Needs some practice selecting the best frequency, tuning the radio and receiving the fax Needs some practice selecting the best frequency, tuning the radio and receiving the fax

6 March 2007 Smartcom Software Ltd SYNOP Encoded current weather reports sent as RTTY Encoded current weather reports sent as RTTY Offenbach in Europe Offenbach in Europe Useful to give very detailed current reports from ships etc Useful to give very detailed current reports from ships etc Needs PC software to decode and plot Needs PC software to decode and plot

7 March 2007 Smartcom Software Ltd SYNOP

8 March 2007 Smartcom Software Ltd Weather Satellite Direct reception of satellites images as they pass overhead Direct reception of satellites images as they pass overhead Visible and infra-red images Visible and infra-red images No forecasts No forecasts Worldwide coverage, no cost Worldwide coverage, no cost

9 March 2007 Smartcom Software Ltd Weather Satellite

10 March 2007 Smartcom Software Ltd Sources of Internet Data Current weather reports e.g. weather stations, weather cams Remote sensing Forecast maps Weather Portals – One stop shops Forecast data e.g. GRIB Weather routing Commercial services

11 March 2007 Smartcom Software Ltd Web Browsing Many sites available Many sites available Current weather reports and forecasts Current weather reports and forecasts Downloads can be slow e.g. slow web servers or large graphics files Downloads can be slow e.g. slow web servers or large graphics files Save sites in your favourites instead of searching when using mobile communications Save sites in your favourites instead of searching when using mobile communications Can be cheaper to use a paid for commercial service as files are much smaller Can be cheaper to use a paid for commercial service as files are much smaller

12 March 2007 Smartcom Software Ltd Weather Reports Weather station reports Weather station reports Weather buoys Weather buoys Reporting Ships Reporting Ships Weather cams Weather cams Check the time of the weather reports. Beware of local effects, and the location of the station relative to you

13 March 2007 Smartcom Software Ltd US NWS – Worldwide Reports http://weather.noaa.gov/weather/GB_c c.html http://weather.noaa.gov/weather/GB_c c.html See weather reports for land based weather stations worldwide

14 March 2007 Smartcom Software Ltd

15 March 2007 Smartcom Software Ltd US NDBC – Ships, weather buoys etc http://www.ndbc.noaa.gov/radial_search.phtml Search for all weather reports within a given distance and time period See all reports with latest data See the history of data at weather buoys

16 March 2007 Smartcom Software Ltd

17 March 2007 Smartcom Software Ltd Local Stations Many local stations appearing, e.g. BrambleMet, Cowes, St Catherines Pt Many local stations appearing, e.g. BrambleMet, Cowes, St Catherines Pt

18 March 2007 Smartcom Software Ltd

19 March 2007 Smartcom Software Ltd Weather Cams http://www.weatherimages.org/weathercams/w orld.html http://www.weatherimages.org/weathercams/w orld.html Live images showing the weather at various locations Often with current weather data as well

20 March 2007 Smartcom Software Ltd Remote Sensing Weather satellite images and derived products Visible and infra-red images for cloud type and height, sea surface temperature, ocean currents available real time Derived products: wind, wave, current etc very useful (particularly over sea areas) Coverage and speed of delivery needs improving for some products www.sat.dundee.ac.uk

21 March 2007 Smartcom Software Ltd Pseudo Colour Image Resolution 1km Images up to every 15 minutes White – high cloud; yellow – low cloud Can show sea breeze front

22 March 2007 Smartcom Software Ltd Sea Surface Temperature Needs no clouds! Land/sea temperatures help predict sea and land breezes Sea and low air temp help predict end of inversion Gulf Stream & other currents

23 March 2007 Smartcom Software Ltd Wind Speed and Direction Satellite pass twice daily Data 1-2 hours old when processed Wind direction can be 90 deg out at times Can show local behaviours not shown by forecasts

24 March 2007 Smartcom Software Ltd Numerical Forecasts All forecasts based on numerical models All forecasts based on numerical models Manual forecaster input only useful for first 1- 2 days Manual forecaster input only useful for first 1- 2 days Synoptic models for global weather forecasts (e.g. GFS, WW3, ECMWF) Synoptic models for global weather forecasts (e.g. GFS, WW3, ECMWF) Mesoscale models for higher resolution local forecasts (e.g. ETA, Theyr, HIRLAM, MM5). These can better model fronts, sea breezes, mountain winds etc Mesoscale models for higher resolution local forecasts (e.g. ETA, Theyr, HIRLAM, MM5). These can better model fronts, sea breezes, mountain winds etc

25 March 2007 Smartcom Software Ltd Weather Maps Many sites have weather maps for viewing Many sites have weather maps for viewing Typically generated automatically from numerical models Typically generated automatically from numerical models Sites may use the same data source but just presented differently Sites may use the same data source but just presented differently Images can be large, so slow to download Images can be large, so slow to download Viewing relatively inflexible Viewing relatively inflexible

26 March 2007 Smartcom Software Ltd Weather Map Sites Westwind – www.westwind.ch - searchable database of all European data www.westwind.ch FNMOC – aipswebu1.fnmoc.navy.mil – NOGAPS worldwide model Theyr – high resolution forecasts – www.theyr.net or www.theyr.tv www.theyr.net

27 March 2007 Smartcom Software Ltd Westwind Example

28 March 2007 Smartcom Software Ltd Weather Portals Sites where a mass of weather data from various sources is brought together Weather Underground www.wunderground.com www.wunderground.com Weather Online www.weatheronline.co.uk www.weatheronline.co.uk Westwind – www.westwind.ch www.westwind.ch BBC – www.bbc.co.uk/weather www.bbc.co.uk/weather UK Met Office – www.metoffice.com

29 March 2007 Smartcom Software Ltd GRIB Files Standard file format displayed by many chart plotters Standard file format displayed by many chart plotters Download numerical data – faster than images Download numerical data – faster than images Free data: 1 or 0.5 degree, 3 or 6 hour resolution of wind, pressure etc Free data: 1 or 0.5 degree, 3 or 6 hour resolution of wind, pressure etc Use tools like Saildocs or download from sites like Raymarine Use tools like Saildocs or download from sites like Raymarine Higher resolution data at a charge e.g. Meteo France NaviMail, ProGrib Higher resolution data at a charge e.g. Meteo France NaviMail, ProGrib Each file is standalone, so cannot combine downloads Each file is standalone, so cannot combine downloads

30 March 2007 Smartcom Software Ltd Free GRIB File Sources Raytech – www.raymarine.com (3 day fcsts) Navcenter.com – www.navcenter.com/newdwnld.ccml www.navcenter.com/newdwnld.ccml Maxsea – Chopper tool for e-mail service (up to 15 day fcsts) Global Marine Net – www.globalmarinenet.net/grib.htm (5 day fcsts) www.globalmarinenet.net/grib.htm Saildocs – www.saildocs.com - e-mail service www.saildocs.com Grib US - www.grib.us – web download www.grib.us

31 March 2007 Smartcom Software Ltd GRIB Files

32 March 2007 Smartcom Software Ltd Nowcasting Stand-alone weather program Stand-alone weather program Coverage Europe (inc. Med) and Caribbean Coverage Europe (inc. Med) and Caribbean Detailed short term wind and wave forecasts Detailed short term wind and wave forecasts Fast downloads from the internet Fast downloads from the internet Easy to use Easy to use Cost £25/month Cost £25/month

33 March 2007 Smartcom Software Ltd Nowcasting

34 March 2007 Smartcom Software Ltd Bon Voyage Stand-alone weather program Stand-alone weather program Worldwide coverage Worldwide coverage Comprehensive 4 or 9 day forecasts Comprehensive 4 or 9 day forecasts Data sent by e-mail daily Data sent by e-mail daily Basic passage planning tools Basic passage planning tools Cost approx. £5/day for 30 days of 4 day forecasts, £7/day for 9 day forecasts Cost approx. £5/day for 30 days of 4 day forecasts, £7/day for 9 day forecasts

35 March 2007 Smartcom Software Ltd Bon Voyage

36 March 2007 Smartcom Software Ltd Moving Weather New service launched at London Boat Show New service launched at London Boat Show Uses low-res GFS data, but interpolates to make it seem better Uses low-res GFS data, but interpolates to make it seem better Simple and easy to use Simple and easy to use Good for overview or long passages, but not detailed enough for coastal sailing Good for overview or long passages, but not detailed enough for coastal sailing Cost £25 for the software, and up to £125/year for the forecasts Cost £25 for the software, and up to £125/year for the forecasts

37 March 2007 Smartcom Software Ltd Digital Atmosphere Software for downloading, decoding and viewing current weather reports Software for downloading, decoding and viewing current weather reports Also displays GRIB files Also displays GRIB files A huge variety of data is available, but some of it is too technical for the average sailor A huge variety of data is available, but some of it is too technical for the average sailor Simple and easy to use Simple and easy to use Not as much data for Europe as for USA, due to different government policies Not as much data for Europe as for USA, due to different government policies Cost from US$89 for the software, downloads free data Cost from US$89 for the software, downloads free data

38 March 2007 Smartcom Software Ltd Digital Atmosphere

39 March 2007 Smartcom Software Ltd SmartMet Combines forecasts, satellite imagery, current weather reports Combines forecasts, satellite imagery, current weather reports Developed as part of the European Space Agency MIDAS project Developed as part of the European Space Agency MIDAS project Small, fast downloads – smaller than GRIB Small, fast downloads – smaller than GRIB Integrated database, no problems of separate files Integrated database, no problems of separate files GRIB import and export GRIB import and export Launched in January this year Launched in January this year Mobile phone and web versions to follow Mobile phone and web versions to follow Subscription £49/year Subscription £49/year

40 March 2007 Smartcom Software Ltd MIDAS Data GFS and Theyr weather forecasts GFS and Theyr weather forecasts WW3 nwave forecasts and MFS Med surface current forecasts WW3 nwave forecasts and MFS Med surface current forecasts Quickscat wind reports Quickscat wind reports SYNOP ship and weather buoy reports SYNOP ship and weather buoy reports Satellite imagery from Meteosat 8, NOAA and MODIS satellites Satellite imagery from Meteosat 8, NOAA and MODIS satellites Detailed forecasts for Europe, standard forecasts for the world Detailed forecasts for Europe, standard forecasts for the world

41 March 2007 Smartcom Software Ltd

42 March 2007 Smartcom Software Ltd

43 March 2007 Smartcom Software Ltd

44 March 2007 Smartcom Software Ltd

45 March 2007 Smartcom Software Ltd Weather Routing Calculating the quickest route to sail Inputs: - Your boats polars - Tidal streams / ocean currents - Forecast winds (GRIB file) Outputs: - Optimal route - Isochrones Programs: Maxsea, seaPro, Raytech, Deckman

46 March 2007 Smartcom Software Ltd Maxsea Routing

47 March 2007 Smartcom Software Ltd Future Developments Continued move away from tools like weatherfax and Navtex to internet based systems Continued move away from tools like weatherfax and Navtex to internet based systems Increase in integrated weather services Increase in integrated weather services Better integration of all information on board- e-navigation Better integration of all information on board- e-navigation Enhanced communications management from the vessel to the internet Enhanced communications management from the vessel to the internet

48 March 2007 Smartcom Software Ltd ALIS A research project sponsored by Galileo looking at marine location based services A research project sponsored by Galileo looking at marine location based services Sophisticated tools for managing data downloads and minimising download sizes Sophisticated tools for managing data downloads and minimising download sizes Automatic push of user selected data, e.g. chart corrections for my charts in my sailing area, or send me a weather forecast if the wind will exceed 25 knots Automatic push of user selected data, e.g. chart corrections for my charts in my sailing area, or send me a weather forecast if the wind will exceed 25 knots Interest from MCA, UKHO due to parallels with e- navigation in commercial shipping Interest from MCA, UKHO due to parallels with e- navigation in commercial shipping Initial research project drawing to a close, now assessing commercial development Initial research project drawing to a close, now assessing commercial development

49 March 2007 Smartcom Software Ltd ALIS data Trials run in central English Channel, Denmark and French Riviera Trials run in central English Channel, Denmark and French Riviera Data sets: Data sets: MIDAS/Smartmet weather, shipping forecasts MIDAS/Smartmet weather, shipping forecasts Navigation warnings Navigation warnings Chart corrections Chart corrections Almanacs, sailing instructions and supplier databases Almanacs, sailing instructions and supplier databases See www.alismarine.com to use the prototype system See www.alismarine.com to use the prototype systemwww.alismarine.com

50 March 2007 Smartcom Software Ltd Conclusions Huge amounts of data out there Huge amounts of data out there Research the data that meets your needs before going afloat Research the data that meets your needs before going afloat Trade-off of cost of data against level of detail, reliability and comms costs Trade-off of cost of data against level of detail, reliability and comms costs Always compare the forecast with what you observe! Always compare the forecast with what you observe!


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