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Canadian weather radar network

Summary

The Canadian weather radar network consists of 33 weather radars spanning Canada's most populated regions. Their primary purpose is the early detection of precipitation, its motion and the threat it poses to life and property.

Canadian weather radar network
Location of the weather radars in Canada.
Country of originCanada
Manufacturervarious
No. built33
TypeS bands

Each had until 2018 a range of 256 km (159 mi) in radius around the site to detect reflectivity, 3 angles with a range of 128 km (80 mi), for detecting velocity pattern (Doppler effect), and an extra long range up to 240 km (150 mi) at low elevation angle but strongly folded or aliased (where the maximum unambiguous velocity interval (±Vmax) is less than the full range of velocities being measured which leads to some being displayed with the wrong values[1]).

The renewal of the network, from 2018 to 2023, with new S-Band radars brings these numbers respectively to 300 km (190 mi) for reflectivity and 240 km (150 mi) for full Doppler coverage.[2] Furthermore, the new radars are dual-polarized which means precipitation type can be estimated directly. Starting in June 2021, some of the radars' ranges will be extended to 400 km (250 mi) in the lowest angle of reflectivity data.[3] The range extensions are intended to provide forecasters at the Meteorological Service of Canada, part of Environment and Climate Change Canada, with radar information while nearby radars are being replaced as part of the renewal.[4] Starting on 29 June 2022, a pilot project allow external users access to the raw data, possibly including the 400 km data.[5]

History edit

Research in weather radars in Canada began at the end of the Second World War with "Project Stormy Weather".[6] After the war, J.S. Marshall continued at McGill University the work with the "Stormy Weather Group".[7] The Canadian network was thus gradually formed and by 1997, there were 19 weather radars of two kinds across the country: 18 five centimeter wavelength (C-Band) radars and 1 ten centimeter wavelength (S-Band) at McGill, all of the radars detected reflectivity but only Carvel (Edmonton), King City (Toronto) and McGill (Montreal) were equipped with Doppler capabilities.

Environment Canada received approval in 1998 to upgrade the network to Doppler standard and to add 12 more radars with the operational characteristics coming from King City weather radar station (CWKR), the research radar of Environment Canada.[8] However, the McGill radar (at the J. S. Marshall Radar Observatory), while being part of the network, was owned by McGill University. It was a research as well as an operational radar and was modified independently. The Jimmy Lake and Lac Castor stations are owned and operated by the Department of Defense (DND), these are also part of the network.

In February 2017, the Minister of Environment and Climate Change, Catherine McKenna, announced the signature of a $83‑million contract with Selex ES (ex-subsidiary of Leonardo S.p.A. now marketed under Leonardo Electronics) to buy 20 new radars with the most modern technology available (S band and double polarized) to update the network.[9][10] with the contract containing options to replace all radars in the Canadian Weather Radar Network, by March 31, 2023. The first radar was installed in Radisson, SK in the fall of 2017. The second radar was installed in the summer of 2018 at Blainville in the Montreal region to replace the aging McGill radar (WMN). 2018 also saw replacement radars at Foxwarren MB, Timmins ON ( near Smooth Rock Falls), and Spirit River AB and 19 of the new radars were in place by the end of 2020 with the rest being replaced sequentially by 2023. An additional radar will be installed in the Lower Athabasca region in Alberta. In June 2021, to ensure continuity of radar coverage in some areas while radars are being replaced, several of the radars had their ranges extended to 400 km (250 mi) in the lowest angle of reflectivity data. Such areas include the Edmonton area and the southwestern region of Newfoundland.[3][4]

Characteristics before 2018 edit

  • McGill radar (at the J. S. Marshall Radar Observatory):[11]
    • 9 metre (30 feet) diameter antenna.
    • Uses a klystron to produce a wavelength signal of 10 cm. (S-Band)
    • Doppler since 1993 and dual polarization was added in 1999.
  • King City weather radar station
    • This research radar is essentially a WSR-98A (see below) upgraded with dual polarization capability in 2004.
  • The rest of the network:[8]
    • The existing radars have antennas from two manufacturers: Enterprise Electronics Corporation (EEC) and Raytheon.
    • some of the existing radars have antennas produced by Andrew Canada. With a diameter almost double the old ones; resolutions improved by the same amount.
    • Use 5.6 cm wavelength emitting magnetrons. (C-Band)
    • Process received reflectivity and Doppler data with Sigmet Radar Data Systems, now a part of Vaisala Oyj.
    • Each radar in the network will thus be called a WSR-98E, WSR-98R or WSR-98A for Weather Surveillance Radar - 1998 (for the year of the start of the program) and the first letter of the manufacturer of the Pedestal/Antenna (Enterprise, Raytheon or Andrew).
    • Antennas of 3.6 metres in diameter for the pre-1998 vintage radars and 6.1 m for the new ones.
    • Pulse length and pulse repetition frequency adjustable. Pulse length 0.8,1.6 and 2.0 s. Pulse repetition frequency (PRF) 250 Hz and Dual PRF (Doppler Mode) 1190/1200 Hz.
  •  
    Tower and radome of McGill radar (CWMN).
  •  
    Villeroy radar (a WSR-98E), 75 km southwest of Quebec City : tower and radome to the left, transmitter and receiver in the building on the right.
  •  
    Station CXSS (a WSR-98A) at Silver Star Mountain.
  •  
    Station CXLA, a WSR-98R, of Landrienne in June 2019 with the base of its replacement in front.

Scanning strategy edit

Because the network is using C band radars, compromises had to be used (see Doppler dilemma) between maximum reflectivity range and maximum non ambiguous velocities. The actual scanning strategy (2006) is divided in two separate scans over 10 minutes:[8]

  • Conventional cycle: 24 elevation angles scanned in 5 minutes to obtain a tri-dimensional view of the atmosphere within 256 km of the radar in reflectivity.
  • Doppler cycle: 4 angles scanned in reflectivity and velocities, the first three in a range of 128 km and the last within 256 km. This cycle is used to locate possible small scale rotation and shear in the wind pattern as well as the large scale circulation. The velocity data also help to filter artifacts in the reflectivity such as ground echos.

The McGill radar uses a S-band transmitter instead of a C-band transmitter to acquire reflectivities and velocities during each of its 24 elevation angles with the same 5 minute cycle time.[11]

Modernization project edit

Environment and Climate Change Canada received the funding from the Treasury Board in 2011 to undergo a major modernization project called 'WES (Weather and Environmental Services) Renewal' to upgrade to dual polarization all Canadian Radars in two separate five year plans. Complete network stabilization and systemic problems resolution were also part of this major effort by Environment and Climate Change Canada. The first five years concentrated on the upgrading and stabilizing of the existing radars. Then all Canadian weather radars will be replaced with a dual polarization S-band radar between 2017 and 2023. A new radar, owned and operated by ECCC, has been installed in Blainville (near Montreal) to replace the use of the McGill radar. As well, a new radar will be installed in the Lower Athabasca area.[12]

The new radars are the Leonardo METEOR 1700S (formerly marketed by Selex ES) which is fully Doppler and dual polarized:[2][13]

  • Transmitter type: Klystron
  • Frequency : 2.7 - 2.9 GHz
  • Pulse repetition frequency (PRF): 250 – 2000 Hz
  • Pulse length (τ): 0.4 µs ... 4.5 µs
  • Peak power: 750 kW
  • Doppler range: 240 km
  • Reflectivity normal range: 300 km
  • maximum range: 600 km
  • Velocity resolution : ± 146 m/s
  • Antenna diameter: 8.5 m
  • Beamwidth : < 1°
  • Rotation: 6 min−1

These new S-Band radars offer more flexibility over the previous C-Band radars. The scanning strategy of 17 angles scanned in 6 minutes, and the new dual-polarization feature provide:[14]

  • Dual polarization will permit to better differentiate the type of precipitation (rain, snow, hail and freezing rain), biological and non-biological targets such as birds, insects, chaff, and tornado debris signature.
  • The radial velocity range (Doppler range) will be extended to 240 kilometres (150 mi), from 120 kilometres (75 mi), permitting an improved lead time in weather warnings issuance and a better overlap of radar coverage with other nearby radars.

Starting on June 15, 2021, some of the S-band radars have a modification of the scanning strategy : a low level angle of 0.3 degree will use a low PRF to extend its range to 400 km in reflectivity while a mid-level angle will be eliminated in the cycle in order to help in radar coverage.[3]

List of radars edit

The first modernization process began in the fall of 1998 with the opening of Bethune radar and ended in 2004 with the one in Timmins. The replacement of C-band 250 kW Magnetron single-pol radars with S-band 1MW Klystron dual-pol radars began in 2017 with the Radisson site and ended in 2023 with the Halfmoon Peak site.[15]

Canadian Weather Radar Network[16]
Site Location Province Coordinates ID/call sign Band Type Callsign meaning Notes
Aldergrove Vancouver British Columbia 49°01′00″N 122°29′13″W / 49.01662°N 122.48698°W / 49.01662; -122.48698 (CASAG - Aldergrove) CASAG S METEOR 1700S Aldergrove New radar METEOR 1700S operational since September 7, 2021, replacing C-band CWUJ (WSR-98E).
Bethune Regina Saskatchewan 50°34′16″N 105°10′58″W / 50.57118°N 105.18290°W / 50.57118; -105.18290 (CASBE - Bethune) CASBE S METEOR 1700S Bethune New radar commissioned in August 2019 replacing 98A (XBE). A temporary mobile X-band radar was deployed during the upgrade.
Blainville Montréal Québec 45°42′23″N 73°51′31″W / 45.70634°N 73.85852°W / 45.70634; -73.85852 (CASBV - Blainville) CASBV S METEOR 1700S Blainville New radar commissioned at the end of September 2018, replacing McGill radar (CWMN).[17]
Britt Georgian Bay Ontario 45°47′35″N 80°32′02″W / 45.79317°N 80.53385°W / 45.79317; -80.53385 (CASBI - Britt) CASBI S METEOR 1700S Britt New radar CASBI became operational on November 22, 2021, replacing the CWBI C-Band (WSR-98A).
Carvel Edmonton Alberta 53°33′38″N 114°08′42″W / 53.56056°N 114.14495°W / 53.56056; -114.14495 (CASCV - Carvel) CASCV S METEOR 1700S Carvel The new radar S-Band replace CWHK (WSR-98E) since January 26, 2022
Chipman Central New Brunswick New Brunswick 46°13′20″N 65°41′57″W / 46.22232°N 65.69924°W / 46.22232; -65.69924 (CASCM - Chipman) CASCM S METEOR 1700S Chipman New radar commissioned in September 2019 replacing 98E (XNC)
Cold Lake NW Saskatchewan / NE Alberta Alberta 54°22′43″N 110°03′41″W / 54.3785°N 110.061378°W / 54.3785; -110.061378 (CASCL - Cold Lake) CASCL S METEOR 1700S Cold Lake New radar commissioned on October 27, 2021, replacing the C-band 98E at Jimmy Lake (CWHN).
Dryden Western Ontario Ontario 49°51′30″N 92°47′49″W / 49.85823°N 92.79698°W / 49.85823; -92.79698 (CASDR - Dryden) CASDR S METEOR 1700S Dryden Replaced C-Band CXDR on September 3, in 2020.
Egbert (near Barrie) Southern Ontario Ontario 44°13′50″N 79°46′49″W / 44.2305662°N 79.7803300°W / 44.2305662; -79.7803300 CASTS S METEOR 1700S N/A New radar site for research, training, and tests of material and software. It will be built at the Centre for Atmospheric Research Experiments (CERA).
Exeter Southwestern Ontario Ontario 43°22′21″N 81°22′51″W / 43.37243°N 81.38070°W / 43.37243; -81.38070 (CASET - Exeter) CASET S METEOR 1700S Exeter New radar commissioned in November 2019 replacing 98A (WSO)
Fort McMurray Northeastern Alberta Alberta 56°22′32″N 111°12′55″W / 56.375642°N 111.215177°W / 56.375642; -111.215177 (CASFM - Fort McMurray) CASFM S METEOR 1700S Fort McMurray New radar site commissioned on September 26, 2022, around 40 km South of Fort McMurray.
Foxwarren Eastern Saskatchewan/Western Manitoba Manitoba 50°32′56″N 101°05′09″W / 50.54887°N 101.08570°W / 50.54887; -101.08570 (CASFW - Foxwarren) CASFW S METEOR 1700S Foxwarren Radar commissioned in September 2018, replacing CXFW, a C-band radar.[18] A temporary mobile X-band radar was deployed during the upgrade until October 31, 2018.[19][20]
Franktown Eastern Ontario Ontario 45°02′28″N 76°06′58″W / 45.04101°N 76.11617°W / 45.04101; -76.11617 (CASFT - Franktown) CASFT S METEOR 1700S Franktown Radar commissioned in August 2021, replacing CXFT, a C-band radar.
Gore Central Hants County Nova Scotia 45°05′55″N 63°42′16″W / 45.09850°N 63.70433°W / 45.09850; -63.70433 (CASGO - Gore) CASGO S METEOR 1700S Gore New radar METEOR 1700S operational since August 30, 2021, replacing C-band CXGO (WSR-98A).
Halfmoon Peak Sechelt British Columbia 49°31′37″N 123°51′13″W / 49.527017°N 123.853583°W / 49.527017; -123.853583 (CASHP - Halfmoon Peak) CASHP S METEOR 1700S Halfmoon Peak New radar site entered into service on August 21, 2023. This site replaces Mt Sicker (CXSI). Last S-band radar to be installed as part of the 2017-2023 network renewal.[21]
Holyrood Eastern Newfoundland Newfoundland and Labrador 47°19′35″N 53°07′36″W / 47.32644°N 53.12658°W / 47.32644; -53.12658 (CASHR - Holyrood) CASHR S METEOR 1700S Holyrood Commissioned on October 13, 2020. Replaced the C-band (98E) CWTP.
King City Southern Ontario Ontario 43°57′50″N 79°34′26″W / 43.96393°N 79.57388°W / 43.96393; -79.57388 (CASKR - King City) CASKR S METEOR 1700S King City Radar Commissioned on June 28, 2021, to replace the C-band (98A) CWKR.
Landrienne Amos Quebec 48°33′05″N 77°48′29″W / 48.55136°N 77.80809°W / 48.55136; -77.80809 (CASLA - Landrienne) CASLA S METEOR 1700S Landrienne Amos Radar commissioned in October 2019, replacing the previous 98R CXLA C-band radar.
Marble Mountain Western Newfoundland Newfoundland and Labrador 48°55′49″N 57°50′03″W / 48.93028°N 57.83417°W / 48.93028; -57.83417 (CXME - Marble Mountain) CASMM S METEOR 1700S Marble Mountain Radar commissioned on October 31, 2022, replacing the previous 98A CXME C-band radar.
Marion Bridge Southeastern Cape Breton County Nova Scotia 45°56′59″N 60°12′19″W / 45.94972°N 60.20521°W / 45.94972; -60.20521 (CASMB - Marion Bridge) CASMB S METEOR 1700S Marion Bridge Radar commissioned in October 2019, replacing the previous CXMB C-band radar.
Mont Apica Saguenay–Lac-Saint-Jean Québec 47°58′40″N 71°25′51″W / 47.977908°N 71.430833°W / 47.977908; -71.430833 (CASMA - Mont Apica) CASMA S METEOR 1700S Mont-Apica New site commissioned January 23, 2023 and operational since February 6. It is replacing CWMB Lac Castor (98E C-band).
Montreal River Sault Ste Marie Ontario 47°14′52″N 84°35′47″W / 47.24773°N 84.59652°W / 47.24773; -84.59652 (CASMR - Montreal River) CASMR S METEOR 1700S Montreal River Radar commissioned in November 2019, replacing the previous 98E WGJ C-band radar.
Mount Silver Star Vernon British Columbia 50°22′10″N 119°03′52″W / 50.36950°N 119.06436°W / 50.36950; -119.06436 (CASSS - Mt-Silver Star) CASSS S METEOR 1700S Silver Star New radar METEOR, replacing CXSS (WSR-98A), operational since December 14, 2022.
Prince George Northern B.C. British Columbia 53°36′47″N 122°57′16″W / 53.61308°N 122.95441°W / 53.61308; -122.95441 (CASPG - Prince George) CASPG S METEOR 1700S Prince George New METEOR 1700S radar replaced the C-Band CXPG (WSR-98R) on December 19, 2022.
Radisson Saskatoon Saskatchewan 52°31′14″N 107°26′34″W / 52.52048°N 107.44269°W / 52.52048; -107.44269 (CASRA - Radisson) CASRA S METEOR 1700S Radisson Radar commissioned in February 2018, replacing CXRA, a C-band radar.
Sainte-Françoise/
(Villeroy) 		Southwest of Quebec City Quebec 46°26′58″N 71°54′50″W / 46.449556°N 71.913831°W / 46.449556; -71.913831 (CASSF - Ste-Françoise/Villeroy) CASSF S METEOR 1700S Sainte-Françoise Commissioned in November 2020, replacing the C-Band CWVY with no change of site but change of name from Villeroy to Sainte-Françoise, a closer geographical point.
Schuler Medicine Hat Alberta 50°18′45″N 110°11′44″W / 50.31250°N 110.19556°W / 50.31250; -110.19556 (CASSU - Schuler) CASSU S METEOR 1700S Schuler Replaced the C-Band CXBU on September 8, 2020.
Smooth Rock Falls Northeastern Ontario Ontario 49°16′53″N 81°47′39″W / 49.28146°N 81.79406°W / 49.28146; -81.79406 (CASRF - Smooth Rock Falls) CASRF S METEOR 1700S Smooth Rock Falls (The S in CASRF is for S-Band) Initially known as Timmins CXTI, then Northeast Ontario. Finally Smooth Rock Falls with the dual polarization upgrade Commissioned in 2018/10. [1]
Spirit River Grande Prairie Alberta 55°41′42″N 119°13′50″W / 55.69494°N 119.23043°W / 55.69494; -119.23043 (CASSR - Spirit River Weather Radar) CASSR S METEOR 1700S Spirit River This radar was replaced in 2018 and commissioned in Feb 2019 replacing CWWW a C-band radar that had been in operation since 2001/10
Strathmore Calgary Alberta 51°12′22″N 113°23′58″W / 51.20613°N 113.39937°W / 51.20613; -113.39937 (CASSM - Strathmore) CASSM S METEOR 1700S Strathmore Radar commissioned in November 2019, replacing the previous 98A (XSM) C-band radar. A temporary mobile X-band radar was deployed during the upgrade.
Superior West Shuniah Ontario 48°35′45″N 89°06′00″W / 48.595876°N 89.100129°W / 48.595876; -89.100129 (CASSN - Shuniah) CASSN S METEOR 1700S ShuNiah New radar site replacing Lasseter Lake (CXNI) WSR-98E, operational since July 17, 2023.[22]
Val d'Irène Lower St. Lawrence Quebec 48°28′49″N 67°36′04″W / 48.48028°N 67.60111°W / 48.48028; -67.60111 (CASVD - Val d'Irène) CASVD S METEOR 1700S Val d'Irène Replaced the C-Band CAXM (98A) radar. Commissioned on November 2, 2020.
Woodlands Winnipeg Manitoba 50°09′14″N 97°46′42″W / 50.15389°N 97.77833°W / 50.15389; -97.77833 (CASWL - Woodlands) CASWL S METEOR 1700S Woodlands Replaced the C-band (98A) CXWL on October 19, 2020.[23] A temporary mobile X-band radar was deployed at St. Andrews Airport during the upgrade.[24]

Decommissioned sites edit

Decommissioned sites of the Canadian Weather Radar Network
Site Location Province Coordinates ID/call sign Band Type Callsign meaning Notes
Lac Castor Saguenay River Quebec 48°34′33″N 70°40′04″W / 48.57581°N 70.66784°W / 48.57581; -70.66784 (CWMB - Lac Castor) CWMB C 98E Commissioned on February 1999, it was replaced by a new METEOR 1700S at a new site (Mont Apica). The latter is operational since February 6, 2023. On June 1, 2023, the Meteorological Service of Canada announced that the Lac Castor radar has been permanently deactivated.[25]
Jimmy Lake NW Saskatchewan/NE Alberta Saskatchewan 54°54′47″N 109°57′36″W / 54.91319°N 109.95992°W / 54.91319; -109.95992 (CWHN - Jimmy Lake) CWHN C 98E Replaced by a new METEOR 1700S southeast of Cold Lake (ID CASCL - 54°22′43″N 110°03′45″W / 54.3785°N 110.0625°W / 54.3785; -110.0625 (CASCL - Cold Lake)) since October 27, 2021 and decommissioned since January 20, 2022.
Superior West Lasseter Lake Ontario 48°51′13″N 89°07′17″W / 48.85352°N 89.12150°W / 48.85352; -89.12150 (CXNI - Lasseter Lake) CXNI C 98E Nipigon Replaced by Shuniah S band radar since July 2023.[22]
McGill Montreal Quebec 45°25′27″N 73°56′14″W / 45.42416°N 73.93735°W / 45.42416; -73.93735 (CWMN - McGill) CWMN S -- Montreal commissioned September 1968, decommissioned October 3, 2018, and replaced by the Blainville radar.[17]
Mount Sicker Victoria British Columbia 48°51′40″N 123°45′24″W / 48.86099°N 123.75654°W / 48.86099; -123.75654 (CXSI - Mt-Sicker) CXSI C 98A Mount Sicker Suffered major hardware failure in November 2017, decommissioned on December 6, 2018. S-band replacement installed in 2023 on an alternate site at Halfmoon Peak.[26][27]

See also edit

Related article edit

Bibliography edit

  • Laramée, Sylvain; Li, Qian; Wong, Pat; Savard, Sylvain; Leibiuk, Peter; Brady, Steven; Czepita, Rick; Nasr, Hamid; Benko, Todd; Romaniuk, Michael; Abt, Mark; Wong, Ingrid (October 7, 2019). "Replacement of the Canadian Weather Radar Network". CMOS Bulletin. 47 (5). Canadian Meteorological and Oceanographic Society. Retrieved May 8, 2020.

References edit

  1. ^ "Maximum unambiguous velocity". Glossary. American Meteorological Society. Retrieved 2021-01-30.
  2. ^ a b "METEOR 1700S Weather Radar" (PDF). www.leonardocompany.com. Leonardo (SELEX ES). Archived (PDF) from the original on October 6, 2018. Retrieved October 5, 2018.
  3. ^ a b c Meteorological Service of Canada (June 3, 2021). "General Notice (GENOT) announcing 400km range" (in French and English). Government of Canada. Retrieved 2021-06-04.
  4. ^ a b Canada, Environment and Climate Change (2014-07-03). "Radar outages and maintenance". www.canada.ca. Archived from the original on 2021-09-10. Retrieved 2021-09-10.
  5. ^ Edouard, Sandrine (2022-06-29). "Projet pilote de dissémination de données radar sur HPFX // Radar data dissemination pilot project on HPFX".
  6. ^ Atlas, David. Radar in Meteorology. American Meteorological Society. pp. 61–68. doi:10.1007/978-1-935704-15-7_8.
  7. ^ "Stormy Weather Group". McGill University. 2000. Archived from the original on 2011-07-06. Retrieved 2006-06-15.
  8. ^ a b c Joe, Paul; Steve Lapczak (2002). "Evolution of the Canadian operational radar network" (PDF). Proceedings. 2nd European Conference on Radar in Meteorology and Hydrology (ERAD). Delft, The Netherlands. pp. 370–382. Retrieved 2011-09-19.
  9. ^ Environment and Climate Change Canada (February 27, 2017). "The Government of Canada invests to modernize weather-forecasting infrastructure". Press release. Government of Canada. Retrieved April 6, 2017.
  10. ^ Environment and Climate Change Canada (February 27, 2017). "Replacing Canada's weather-radar network". Press release. Government of Canada. Retrieved April 6, 2017.
  11. ^ a b J. S. Marshall Radar Observatory (2010). "McGill S-band radar". McGill University. Retrieved 2011-09-19.
  12. ^ Government of Canada (January 25, 2012). "Weather Monitoring Infrastructure". Environnement Canada. Retrieved October 29, 2012.
  13. ^ Peter Quinlan (June 5, 2018). "Canada's most modern weather radar station opens near Saskatoon". Global News. Retrieved October 25, 2018.
  14. ^ Meteorological Service of Canada (2018). "Modernizing Canada's weather-radar network". Government of Canada. Retrieved October 29, 2018.
  15. ^ "The National Radar Program". Environment Canada. 2004. Archived from the original on 2006-06-15. Retrieved 2006-06-15.
  16. ^ Meteorological Service of Canada (2022-04-06). "List of weather radars in Canada" (PDF). Environment and Climate Change Canada. Retrieved 2022-08-10.
  17. ^ a b "Le Québec reçoit son premier radar météorologique à la fine pointe de la technologie". La Nouvelle Union (in French). October 16, 2018. Retrieved October 28, 2018.
  18. ^ Grimes (August 27, 2020). "NOCN01 CWAO 201622". Genot. Meteorological Service of Canada. Retrieved 2020-12-29.
  19. ^ Grimes (June 11, 2020). "NOCN01 CWAO 281422". Genot. Meteorological Service of Canada. Retrieved 2020-12-29.
  20. ^ Grimes (October 31, 2020). "NOCN01 CWAO 311823". Genot. Meteorological Service of Canada. Retrieved 2020-12-29.
  21. ^ Canada, Environment and Climate Change (2017-05-18). "Modernizing Canada's weather-radar network". www.canada.ca. Retrieved 2022-12-20.
  22. ^ a b Ontario Office of MSC [@ECCCWeatherON] (July 17, 2023). "The new RADAR at Shuniah (CASSN) in Ontario is up and running as of today!" (Tweet). Toronto, ON. Archived from the original on 2023-07-17. Retrieved 2023-07-18 – via Twitter.
  23. ^ Campbell (October 15, 2020). "NOCN01 CWAO 231342". Genot. Meteorological Service of Canada. Retrieved 2020-12-29.
  24. ^ Campbell (May 26, 2020). "NOCN01 CWAO 312040". Genot. Meteorological Service of Canada. Retrieved 2020-12-29.
  25. ^ Meteorological Service of Canada (2023-06-01). "GENOT TLTP. NO. 038" (in English and French). Government of Canada. Retrieved 2023-06-01.
  26. ^ "Radar outages and maintenance". Environment Canada. Retrieved 4 November 2018.
  27. ^ Grimes (December 6, 2020). "NOCN01 CWAO 311434". Genot. Meteorological Service of Canada. Retrieved 2020-12-29.

External links edit

 
Wikimedia Commons has media related to Weather radars in Canada.
Map all coordinates using OpenStreetMap

Download coordinates as:

  • KML
  • GPX (all coordinates)
  • GPX (primary coordinates)
  • GPX (secondary coordinates)
  • Environment and Climate Change Canada. "Real-time Canadian weather radar network web map".
    • ECCC weather radar data public documentation
    • ECCC MSC AniMet tool to create custom weather radar animation
    • ECCC North-American weather radar composite available as a WMS web service
    • ECCC weather radar data and products file repository
    • "ECCC radar outage, maintenance and replacement schedules".
  • "ECCC's Canadian Weather Radar Replacement Project Overview".
  • ECCC (April 30, 2013). "Wind Turbine Interference with Weather Radar".

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