Jiras
RADAR-2 - Getting issue details... STATUS
DevOps
Repo: https://github.com/obrienlabs/radar
Architecture
There are several data sites that serve up doppler radar images every 6-10 minutes. In addition we have correlating satellite, lightning and weather data. We also have historical radar imaging for missed downloads.
see Text and Image Processing
High Level Architecture
Serverless Architecture
Traditional Architecture
Analysis
Data Model
There are several radar sites across canada that provide individual and combined images at 10 and 6 minute intervals.
Image Format
480 x 560 with legend - active area is 480 x 480
XFT_2018_09_21_21_20_f
filtered
example XFT_2008_11_08_14_00.GIF
Intermittent Effects
xam is a good example
Out of order image ordering (historical)
Transient blocking from wind farms
Transient blocking from RF interference
Permanent false positive elements
single frame noise
Image glitter at 1 pixel
Noise past circular range rings
Historical radar missing data due to grid/names overlay
API
Use Cases
UC 1: Continuous Radar Download
20210401 : switched out from image to html5
https://weather.gc.ca/map_e.html?layers=radar
base map is https://open.canada.ca/data/en/dataset/296de17c-001c-4435-8f9a-f5acab632e85 ESRI version https://geoappext.nrcan.gc.ca/arcgis/rest/services/BaseMaps/CBMT3978/MapServer
UC 2: Radar Processing
UC 3: Radar Monitoring
UC 4: Radar Serving
UC 5: Historical Radar Download
3 hours delayed
UC 10: Vaisala RF Lightning Detection
see https://github.com/obrienlabs/radar/issues/16
https://weather.gc.ca/lightning/index_e.html?id=ONT#mapTop
refactor
https://github.com/obrienlabs/radar/blob/master/radar.se/src/main/java/org/obrienscience/radar/integration/LightningService.java
to use lambda/streams
17 photos up at 1935
earliest (8 before)
https://weather.gc.ca/data/lightning_images/ONT_202107202210.png
landing
https://weather.gc.ca/data/lightning_images/ONT_202107202230.png
to (6 after)
https://weather.gc.ca/data/lightning_images/ONT_202107202330.png
# updates: 1:20 after
https://weather.gc.ca/data/lightning_images/ONT_202107202340.png
available at 19:41:20
