TAF Amendment Response Time
Scenariot: NC_CRITERIA    Month: October    Year: 2017    Target: ≥ 90%
Canadian Meteorological Aviation Centre/East (Montreal)
Station Number of observations not covered by current TAF Number responded to by an amended TAF Number responded to by next regular TAF Number where weather changed back to match TAF Number where weather and TAF remained inconsistent Average response time in minutes Percentage of TAF responses within 20 minutes Number of proactive amendments
Attawapiskat 0 0 0 0 0 N/A N/A 11
Baie Comeau 34 20 0 14 0 13 94% 25
Bathurst 13 12 0 1 0 13 85% 5
Big Trout Lake 46 25 1 19 1 11 93% 10
Blanc Sablon 32 23 4 3 2 18 80% 22
Buttonville 13 10 1 2 0 16 54% 20
Cartwright 24 19 1 4 0 19 79% 6
Chapleau 20 13 0 7 0 15 80% 5
Charlottetown 15 11 1 3 0 15 73% 8
Chibougamau-Chapais 18 12 0 5 1 11 88% 6
Churchill Falls 37 16 1 20 0 10 92% 10
Deer Lake 22 19 0 3 0 13 86% 17
Dorval 13 9 2 2 0 19 69% 10
Dryden 43 18 1 21 3 17 70% 8
Earlton 12 4 0 8 0 18 75% 4
Fort Severn 28 13 1 13 1 13 74% 5
Fredericton 24 15 0 9 0 13 92% 13
Gander 36 31 2 3 0 13 92% 13
Gaspé 5 4 1 0 0 23 80% 9
Gatineau 7 7 0 0 0 18 71% 5
Geraldton 36 31 2 3 0 16 69% 15
Gore Bay 9 8 0 1 0 13 67% 6
Halifax 25 14 5 6 0 13 84% 20
Hamilton 24 23 1 0 0 15 83% 11
Havre St Pierre 30 18 2 10 0 15 77% 11
Îles de la Madeleine 3 2 0 1 0 15 100% 7
Inukjuak 72 24 2 45 1 12 87% 19
Kapuskasing 31 23 3 5 0 18 77% 14
Kenora 21 20 1 0 0 16 71% 9
Kingston 3 2 0 0 1 8 100% 1
Kuujjuaq 24 19 2 3 0 15 83% 9
Kuujjuarapik 32 7 1 23 1 14 84% 9
La Grande IV 16 7 0 9 0 10 81% 7
La Grande Rivière 43 36 1 6 0 15 77% 16
London 23 15 3 5 0 18 65% 19
Marathon 15 14 0 1 0 15 80% 4
Mary's Harbour 27 11 4 12 0 16 85% 16
Mirabel 33 27 1 5 0 13 79% 22
Moncton 12 11 1 0 0 13 83% 13
Mont-Joli 13 10 1 2 0 17 77% 5
Moosonee 47 22 3 22 0 13 85% 5
Muskoka 24 13 1 10 0 8 92% 4
Muskrat Dam 14 6 0 7 1 13 92% 9
Nain 12 7 0 4 1 15 82% 6
Natashquan 40 24 2 13 1 18 79% 18
North Bay 41 26 3 12 0 17 76% 12
Ottawa 21 14 3 4 0 15 81% 5
Peterborough 18 7 0 11 0 12 83% 3
Pickle Lake 12 11 0 1 0 12 83% 3
Quebec City 24 20 0 4 0 13 88% 30
Red Lake 28 18 0 8 2 19 77% 3
Roberval 14 7 1 6 0 13 79% 4
Sable Island 30 21 2 6 1 15 76% 9
Saint John 27 23 2 2 0 14 93% 13
Sandy Lake 23 15 0 8 0 12 91% 12
Sarnia 20 6 0 13 1 8 95% 6
Sault Ste Marie 47 27 3 17 0 18 70% 17
Schefferville 48 24 0 24 0 13 90% 13
Sept-Îles 19 17 1 1 0 13 89% 12
Sherbrooke 12 1 0 11 0 9 92% 10
Sioux Lookout 14 12 1 1 0 10 100% 14
St Anthony 29 21 1 7 0 16 90% 24
St Catharines 2 2 0 0 0 11 100% 2
St Hubert 28 12 0 15 1 11 93% 19
St John's 53 44 2 7 0 12 89% 14
Stephenville 13 12 1 0 0 17 62% 13
Sudbury 22 19 0 3 0 13 91% 15
Sydney 17 15 2 0 0 16 82% 7
Tasiujaq 8 8 0 0 0 16 88% 7
Thunder Bay 15 13 1 1 0 16 67% 8
Timmins 33 30 0 3 0 15 79% 10
Toronto City Centre 16 9 1 6 0 11 88% 5
Toronto LBPI 6 4 0 2 0 16 67% 11
Trois rivieres 46 20 3 23 0 13 85% 22
Val-d'Or 18 12 0 6 0 17 78% 7
Wabush 26 17 2 7 0 18 85% 13
Waskaganish 5 5 0 0 0 19 60% 1
Waterloo/Wellington 68 29 3 36 0 13 88% 19
Wawa 7 6 0 0 1 15 83% 8
Wiarton 13 10 0 3 0 13 85% 5
Windsor 26 23 0 3 0 16 69% 10
Yarmouth 26 20 3 3 0 15 85% 15
Canadian Meteorological Aviation Centre/West (Edmonton)
Station Number of observations not covered by current TAF Number responded to by an amended TAF Number responded to by next regular TAF Number where weather changed back to match TAF Number where weather and TAF remained inconsistent Average response time in minutes Percentage of TAF responses within 20 minutes Number of proactive amendments
Abbotsford 21 17 1 3 0 15 76% 4
Arctic Bay 7 7 0 0 0 23 71% 9
Arviat 54 33 1 18 2 17 81% 31
Baker Lake 47 35 1 11 0 19 72% 13
Bella Bella 31 21 0 9 1 13 90% 6
Brandon 13 10 2 1 0 14 92% 8
Buffalo Narrows 13 12 0 1 0 14 85% 8
Burwash 33 21 2 9 1 17 78% 9
Calgary Intl 11 9 0 2 0 14 91% 14
Cambridge Bay 39 32 2 4 1 14 82% 28
Campbell River 12 8 3 1 0 19 75% 4
Cape Dorset 65 34 5 26 0 17 74% 19
Castlegar 6 6 0 0 0 8 100% 6
Churchill 60 41 4 14 1 23 69% 17
Clyde River 47 28 5 12 2 13 76% 22
Coral Harbour 39 30 5 2 2 17 78% 22
Cranbrook 7 6 0 1 0 19 71% 4
Deline 20 12 1 5 2 12 83% 2
Dauphin 27 16 2 9 0 16 67% 2
Dawson City 11 11 0 0 0 12 82% 1
Dawson Creek 16 7 0 8 1 14 80% 3
Dease Lake 26 15 1 10 0 18 69% 8
Edmonton Intl 7 3 2 2 0 11 100% 11
Edmonton Villeneuve 17 14 1 2 0 13 82% 6
Estevan 9 6 1 0 2 17 71% 2
Eureka 16 15 0 1 0 17 69% 7
Faro 5 4 1 0 0 9 100% 1
Fort Chipewyan 53 28 4 18 3 15 72% 13
Fort Good Hope 10 9 0 1 0 12 100% 5
Fort McMurray 53 31 3 19 0 12 81% 14
Fort McPherson 10 9 1 0 0 19 70% 7
Fort Nelson 30 26 2 2 0 17 77% 14
Fort Simpson 60 51 5 4 0 15 77% 19
Fort Smith 40 36 0 4 0 14 85% 15
Fort St John 11 11 0 0 0 11 82% 3
Gillam 54 42 2 8 2 18 81% 12
Gjoa Haven 85 55 5 22 3 20 76% 38
Grande Prairie 17 15 1 1 0 13 82% 5
Hall Beach 54 39 3 12 0 15 70% 26
Hay River 32 31 1 0 0 10 88% 14
High Level 36 27 4 5 0 13 83% 12
Holman 9 7 0 1 1 13 88% 13
Igloolik 18 17 0 1 0 10 100% 8
Inuvik 57 47 3 5 2 13 91% 14
Iqaluit 48 41 1 5 1 14 85% 9
Island Lake 25 19 1 5 0 19 76% 19
Ivujivik 11 9 0 1 1 18 70% 8
Kamloops 5 4 0 1 0 5 100% 4
Kangiqsujuaq 7 6 0 0 1 13 83% 6
Kangirsuk 15 11 0 2 2 11 92% 8
Kelowna 16 7 0 9 0 12 81% 9
Key Lake 47 31 1 14 1 10 89% 14
Kugaaruk 21 18 1 1 1 11 85% 10
Kugluktuk 54 37 4 9 4 20 70% 18
La Ronge 26 15 2 7 2 22 58% 2
Lethbridge 10 5 2 3 0 11 100% 8
Lloydminster 30 20 1 9 0 17 83% 6
Lutselk'e 14 10 0 2 2 7 92% 9
Lynn Lake 77 34 4 38 1 17 80% 18
Mackenzie 30 20 1 9 0 10 90% 4
Masset 12 6 0 6 0 9 92% 4
Mayo 29 25 1 2 1 13 79% 10
Medicine Hat 10 3 1 6 0 17 80% 8
Nanaimo 9 9 0 0 0 14 89% 1
Norman Wells 38 29 2 5 2 15 89% 23
North Battleford 28 12 1 14 1 12 85% 6
Norway House 47 26 1 19 1 11 91% 14
Old Crow 20 15 1 3 1 19 68% 4
Pangnirtung 14 14 0 0 0 9 100% 4
Paulatuk 19 15 1 2 1 12 83% 6
Peace River 12 12 0 0 0 11 100% 3
Penticton 2 2 0 0 0 56 50% 4
Pond Inlet 44 21 4 19 0 13 84% 14
Port Hardy 24 16 2 5 1 19 70% 14
Prince Albert 23 18 3 2 0 11 78% 3
Prince George 25 10 4 10 1 13 83% 10
Prince Rupert 39 14 5 20 0 21 64% 10
Puvirnituq 68 20 4 44 0 10 93% 25
Qikiqtarjuaq 50 25 6 18 1 12 84% 27
Quaqtaq 11 9 0 2 0 25 64% 10
Quesnel 19 9 1 9 0 17 74% 16
Rae Lake 10 9 1 0 0 9 90% 9
Rankin Inlet 42 32 4 6 0 14 83% 21
Red Deer 18 14 2 2 0 14 78% 8
Regina 17 12 1 4 0 18 71% 7
Repulse Bay 14 11 1 2 0 17 64% 7
Resolute Bay 41 34 4 2 1 12 88% 28
Sachs Harbour 19 14 1 4 0 17 84% 6
Salluit 10 8 0 2 0 28 50% 13
Sandspit 27 6 4 16 1 13 85% 10
Saskatoon 19 15 2 2 0 15 79% 3
Slave Lake 20 11 2 7 0 15 70% 7
Smithers 27 17 0 7 3 12 83% 7
Springbank 15 10 0 5 0 7 100% 8
Stony Rapids 34 28 0 6 0 11 85% 18
Swift Current 35 11 3 20 1 14 85% 8
Taloyoak 21 20 1 0 0 12 95% 20
Terrace 27 16 2 6 3 25 71% 29
Teslin 7 7 0 0 0 12 100% 0
The Pas 29 21 5 3 0 20 72% 7
Thompson 46 37 2 5 2 12 86% 8
Tofino 10 7 0 2 1 19 67% 10
Tuktoyaktuk 25 19 1 4 1 15 83% 13
Vancouver 22 14 2 6 0 11 95% 16
Victoria 9 8 0 1 0 12 89% 9
Victoria Harbour 6 4 0 2 0 11 67% 1
Watson Lake 32 29 2 1 0 19 69% 7
Wekweeti 37 16 1 16 4 14 82% 10
Whitecourt 9 8 0 1 0 11 78% 5
Whitehorse 19 14 2 3 0 19 74% 9
Williams Lake 23 19 1 3 0 14 87% 5
Winnipeg 21 15 0 6 0 17 76% 12
Yellowknife 48 38 3 7 0 15 75% 30
Note: tThe Scenario indicates the amendment criteria that is used in calculating the amendment response time.   The scenario “NC_CRITERIA” uses all the MANAIR (Standards Document) amendment criteria defined in section 2.9 Amended TAFs with the exception of the 2500/6 ceiling and visibility threshold (when actual conditions are better than forecast), Obscurations, and Wind.