GEO and HEO weather satellites natural partners Sixth

GEO and HEO weather satellites: natural partners Sixth GOES User’s Conference Madison, WI November 3 -5, 2009 Louis Garand (EC) and PCW U&ST

2 -sat constellation in Molniya Orbit = continuous views over one pole 2 satellites to provide continuous GEO-like imagery 50 -90 N 0. 5 -1 km VIS 2 km IR 12 -h period 63. 4 deg. inclination Apogee: ~39, 500 km Perigee: ~600 km DRAFT – Page 2 – 11 January 2022

Canada’s Polar Communications and Weather (PCW): Dual Objectives • Reliable communications in the high latitudes (North of 70º) to ensure: –Security –Sustainable Development –Support to Northern Communities –Air and Marine Navigation –Arctic Science • Provide high temporal/spatial resolution meteorological data above 50º N in support of: –Numerical Weather Prediction (short to medium range) –Environmental monitoring, emergency response –Climate monitoring PCW to have an operational status linked to NRT meteorology Launch target: 2016 DRAFT – Page 3 – 11 January 2022

Area of Interest Meteorological Coverage Requirement (50ºN) Meteorological Coverage Goal (45ºN) Communications Coverage Requirement Meteo requirement pertains to the entire circumpolar domain DRAFT – Page 4 – 11 January 2022

Channel definition based on compatibility with GOES-R and MTG Wavelength (microns) Heritage Goal spatial resolution (km) Minimum spatial resolution (km) Priority 1= highest Main applications 0. 45 -0. 49 ABI-01 1 2 2 Surface 0. 5 -0. 6 MODIS-04 0. 5 1 2 Vegetation 0. 59 -0. 69 ABI-02 0. 5 1 1 Wind, clouds 0. 85 -0. 89 ABI-03 1 2 1 Wind, aerosols, vegetation 1. 37 -1. 39 ABI-04 1 4 2 Cirrus 1. 58 -1. 64 ABI-05 1 2 1 Snow-cloud distinction 2. 22 -2. 28 ABI-06 2 4 2 Cloud phase 3. 80 -4. 00 ABI-07 2 4 1 fog/ fire detection, Ice/cloud separation, wind 5. 77 -6. 60 ABI-08 2 4 2 Wind, humidity 6. 75 -7. 15 ABI-09 2 4 1 Wind, humidity 7. 24 -7. 44 ABI-10 2 4 1 Wind, humidity 8. 30 -8. 70 ABI-11 2 4 2 Total water 9. 42 -9. 80 ABI-12 2 4 2 Total ozone 10. 1 -10. 6 ABI-13 2 4 2 Cloud, surface 10. 8 -11. 6 ABI-14 2 4 1 Cloud, SST, ash 11. 8 -12. 8 ABI-15 2 4 1 Ash, SST 13. 0 -13. 6 ABI-16 2 4 2 Cloud height 13. 5 -13. 8 MODIS-34 2 8 2 Cloud height 13. 8 -14. 1 MODIS-35 2 8 2 Cloud height 14. 1 -14. 4 MODIS-36 2 8 5 – 11 January 2 2022 DRAFT – Page Cloud height Not on MTG or GOES-R

1 PCW satellite, 24 -h animation from 11 mm channel (Modis 31) One satellite covers the Arctic domain ~75% of the time. DRAFT – Page 6 – 11 January 2022

2 sats, 1 plane 24 -h simulation, 15 min intervals, Modis ch 28 (7. 3 mm), 10 km. Red area: view angles > 70 deg. DRAFT – Page 7 – 11 January 2022

Hey, how about GEO-like views over le pole? DRAFT – Page 8 – 11 January 2022