1. 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. DRAFT – Page 2 – March 10, 2016 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

3. DRAFT – Page 3 – March 10, 2016 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

4. DRAFT – Page 4 – March 10, 2016 Area of Interest Meteorological Coverage Requirement (50ºN) Meteorological Coverage Goal (45ºN) Communications Coverage Requirement Meteo requirement pertains to the entire circumpolar domain

5. DRAFT – Page 5 – March 10, 2016 Wavelength (microns) HeritageGoal spatial resolution (km) Minimum spatial resolution (km) Priority 1 = highest Main applications 0.45-0.49ABI-01122Surface 0.5-0.6MODIS-04 0.512Vegetation 0.59-0.69ABI-02 0.511Wind, clouds 0.85-0.89ABI-03 121Wind, aerosols, vegetation 1.37-1.39ABI-04142Cirrus 1.58-1.64ABI-05121Snow-cloud distinction 2.22-2.28ABI-06 242Cloud phase 3.80-4.00ABI-07 241fog/ fire detection, Ice/cloud separation, wind 5.77-6.60ABI-08 242Wind, humidity 6.75-7.15ABI-09 241Wind, humidity 7.24-7.44ABI-10 241Wind, humidity 8.30-8.70ABI-11 242Total water 9.42-9.80ABI-12 242Total ozone 10.1-10.6ABI-13 242Cloud, surface 10.8-11.6ABI-14 241Cloud, SST, ash 11.8-12.8ABI-15 241Ash, SST 13.0-13.6ABI-16 242Cloud height 13.5-13.8MODIS-34 282Cloud height 13.8-14.1MODIS-35 282Cloud height 14.1-14.4 MODIS-36 282Cloud height Not on MTG or GOES-R Channel definition based on compatibility with GOES-R and MTG

6. DRAFT – Page 6 – March 10, 2016 1 PCW satellite, 24-h animation from 11  m channel (Modis 31) One satellite covers the Arctic domain ~75% of the time.

7. DRAFT – Page 7 – March 10, 2016 2 sats, 1 plane 24-h simulation, 15 min intervals, Modis ch 28 (7.3  m), 10 km. Red area: view angles > 70 deg.

8. DRAFT – Page 8 – March 10, 2016 Hey, how about GEO-like views over le pole?