TAF performance measurement results for TAFs issued during August 2011
Canadian Meteorological Aviation Centre/East (Montreal)
Station		VFR Category			Above IFR Alternate Category			Below IFR Alternate Category
Station	Station Type	Correct Forecasts (hours)	Total Forecasts (hours)	VFR Reliability Index	Correct Forecasts (hours)	Total Forecasts (hours)	Alternate Reliability Index	False Alarms (hours)	Total Forecasts (hours)	*Below Alternate False Alarm Ratio
Baie Comeau	NCA	813	971	84%	945	1078	88%	85	148	58%
Bathurst	CWO	556	632	88%	585	664	88%	36	102	35%
Big Trout Lake	AWOS	687	815	84%	711	819	87%	33	78	43%
Blanc Sablon	CWO	712	807	88%	776	896	87%	95	307	31%
Buttonville	CWO	903	964	94%	940	973	97%	28	40	NSS
Cartwright	CWO	802	850	94%	790	840	94%	87	142	61%
Chapleau	CWO	423	426	99%	423	426	99%	5	7	NSS
Charlottetown	ATS	748	877	85%	877	956	92%	48	98	49%
Chibougamau-Chapais	CWO	427	465	92%	446	478	93%	24	36	NSS
Churchill Falls	AWOS	724	827	88%	772	849	91%	50	105	48%
Deer Lake	ATS	851	923	92%	919	969	95%	19	49	38%
Dorval	CWO	1618	1628	99%	1680	1680	100%	0	0	NSS
Dryden	NCA	902	939	96%	930	962	97%	9	19	NSS
Earlton	CWO	414	442	94%	437	452	97%	13	20	NSS
Fredericton	NCA	722	843	86%	922	971	95%	54	91	59%
Gander	CWO	650	749	87%	876	936	94%	79	162	49%
Gaspé	CWO	690	769	90%	723	806	90%	49	192	26%
Gatineau	ATS	429	439	98%	430	440	98%	5	6	NSS
Geraldton	CWO	836	902	93%	870	929	94%	17	44	39%
Gore Bay	NCA	404	422	96%	418	428	98%	10	16	NSS
Halifax	ATS	999	1245	80%	1332	1593	84%	135	377	36%
Hamilton	CWO	873	930	94%	917	962	95%	21	42	NSS
Havre St Pierre	NCA	722	891	81%	798	944	85%	164	310	53%
Îles de la Madeleine	ATS	509	579	88%	577	619	93%	16	64	25%
Inukjuak	AWOS/CARS	576	776	74%	687	895	77%	107	405	26%
Ivujivik	CARS	93	123	76%	108	149	72%	12	50	25%
Kapuskasing	CWO	890	928	96%	909	937	97%	33	42	NSS
Kenora	ATS	882	914	96%	903	933	97%	12	17	NSS
Kingston	ATS	586	601	98%	610	618	99%	1	2	NSS
Kuujjuaq	ATS	787	845	93%	881	893	99%	13	26	NSS
Kuujjuarapik	CWO	742	848	87%	871	994	88%	129	309	42%
La Grande IV	AWOS/CWO	203	221	92%	224	236	95%	16	29	NSS
La Grande Rivière	ATS	765	896	85%	823	966	85%	77	240	32%
London	ATS	913	1009	91%	979	1042	94%	27	56	48%
Marathon	CWO	193	203	95%	193	203	95%	3	10	NSS
Mary's Harbour	AWOS/CWO	610	717	85%	650	738	88%	36	87	42%
Mirabel	ATS	899	980	92%	1010	1033	98%	3	6	NSS
Moncton	CWO	789	882	89%	1008	1032	98%	33	41	NSS
Mont-Joli	ATS	873	991	88%	909	1029	88%	58	172	34%
Moosonee	NCA	387	401	97%	403	415	97%	9	17	NSS
Muskoka	NCA	578	598	97%	587	603	97%	9	14	NSS
Nain	CWO	348	362	96%	277	302	92%	60	204	29%
Natashquan	AWOS	726	911	80%	802	963	83%	137	285	48%
North Bay	CWO	827	865	96%	863	893	97%	26	39	NSS
Ottawa	CWO	1548	1577	98%	1626	1638	99%	4	7	NSS
Peterborough	NCA	582	615	95%	597	617	97%	22	35	NSS
Pickle Lake	CWO	390	402	97%	394	405	97%	5	17	NSS
Puvirnituq	CARS	120	147	81%	152	176	86%	25	49	NSS
Quaqtaq	CARS	68	84	81%	77	96	80%	17	78	21%
Quebec City	ATS	956	1038	92%	1077	1105	97%	45	57	NSS
Red Lake	CWO	605	632	96%	622	645	97%	10	20	NSS
Roberval	CWO	610	623	98%	623	636	98%	7	11	NSS
Rouyn-Noranda	ATS	815	871	93%	836	885	94%	33	64	51%
Sable Island	AWOS	215	285	76%	269	326	83%	105	283	37%
Saint John	ATS	518	604	86%	751	840	89%	69	323	21%
Sarnia	NCA	601	608	99%	615	617	100%	4	4	NSS
Sault Ste Marie	ATS	884	929	95%	923	956	97%	36	64	NSS
Schefferville	AWOS	828	899	92%	890	940	95%	39	67	59%
Sept-Îles	ATS	597	765	78%	773	917	84%	134	279	48%
Sherbrooke	NCA	453	482	94%	471	498	95%	22	35	NSS
Sioux Lookout	ATS	901	931	97%	920	944	97%	15	23	NSS
St Anthony	NCA	688	821	84%	786	906	87%	118	329	36%
St Catharines	ATS	231	231	100%	231	231	100%	0	0	NSS
St Hubert	NCA	927	951	97%	987	991	100%	12	12	NSS
St John's	CWO	538	677	80%	816	929	88%	98	397	25%
Stephenville	CWO	885	904	98%	917	932	98%	29	41	NSS
Sudbury	CWO	784	822	95%	808	835	97%	16	30	NSS
Sydney	CWO	523	654	80%	647	792	82%	92	328	28%
Tasiujaq	CARS	156	160	98%	164	167	98%	8	12	NSS
Thunder Bay	ATS/AA	793	838	95%	806	849	95%	5	28	NSS
Timmins	ATS	846	868	97%	888	900	99%	8	13	NSS
Toronto City Centre	NCA	900	938	96%	941	957	98%	6	11	NSS
Toronto LBPI	CWO	1577	1627	97%	1666	1672	100%	2	3	NSS
Val-d'Or	AWOS/ATS	851	924	92%	943	981	96%	25	40	NSS
Wabush	ATS	892	933	96%	998	1013	99%	16	23	NSS
Waskaganish	CARS	67	67	99%	71	71	100%	8	11	NSS
Waterloo/Wellington	NCA	604	648	93%	651	669	97%	13	23	NSS
Wawa	CWO	263	285	92%	258	282	92%	12	18	NSS
Wiarton	CWO	442	468	95%	455	470	97%	6	10	NSS
Windsor	CWO	904	911	99%	940	941	100%	8	8	NSS
Yarmouth	CWO	486	634	77%	573	742	77%	183	562	33%
Canadian Meteorological Aviation Centre/West (Edmonton)
Station		VFR Category			Above IFR Alternate Category			Below IFR Alternate Category
Station	Station Type	Correct Forecasts (hours)	Total Forecasts (hours)	Reliability Index	Correct Forecasts (hours)	Total Forecasts (hours)	Alternate Reliability Index	Incorrect Forecasts (hours)	Total Forecasts (hours)	*Below Alternate False Alarm Ratio
Abbotsford	CWO	792	801	99%	802	806	99%	1	4	NSS
Arctic Bay	AWS	131	131	100%	**N/A	N/A	N/A	N/A	N/A	N/A
Arviat	AWOS/CARS	649	778	83%	690	807	86%	110	299	37%
Baker Lake	CARS	855	908	94%	906	944	96%	26	34	NSS
Bella Bella	AWOS	386	462	84%	328	450	73%	32	117	27%
Brandon	ATS	834	841	99%	835	842	99%	5	9	NSS
Buffalo Narrows	CWO	444	456	97%	446	456	98%	13	18	NSS
Burwash	AWOS/CARS	846	852	99%	753	804	94%	33	54	NSS
Calgary Intl	CWO	1622	1631	99%	1656	1656	100%	0	0	NSS
Cambridge Bay	CARS	747	931	80%	845	1003	84%	47	125	38%
Campbell River	ATS	383	383	100%	383	383	100%	0	0	NSS
Cape Dorset	AWOS/CARS	390	507	77%	395	512	77%	80	502	16%
Castlegar	ATS	398	398	100%	398	398	100%	1	1	NSS
Churchill	ATS/AA	813	905	90%	941	1046	90%	49	171	29%
Clyde River	AWOS/CARS	372	554	67%	397	577	69%	117	471	25%
Coral Harbour	CARS	597	718	83%	657	772	85%	44	169	26%
Cranbrook	ATS	839	839	100%	839	839	100%	0	0	NSS
Dauphin	NCA	856	858	100%	858	860	100%	7	7	NSS
Dawson City	CARS	384	389	99%	359	380	95%	15	28	NSS
Dawson Creek	NCA	380	384	99%	380	384	99%	0	2	NSS
Deline	CARS	147	153	96%	147	153	96%	5	10	NSS
Edmonton Intl	CWO	1585	1587	100%	1603	1603	100%	2	2	NSS
Edmonton Muni	AWOS	888	898	99%	910	911	100%	4	4	NSS
Eureka	CWO	405	405	100%	406	406	100%	0	0	NSS
Faro	CARS	375	380	99%	357	365	98%	23	27	NSS
Fort Chipewyan	NCA	194	207	94%	199	209	95%	15	21	NSS
Fort Good Hope	CARS	151	173	87%	157	174	90%	5	13	NSS
Fort McMurray	AWOS	913	958	95%	952	978	97%	16	26	NSS
Fort McPherson	CARS	132	136	97%	135	138	98%	2	5	NSS
Fort Nelson	ATS	847	880	96%	857	887	97%	7	20	NSS
Fort Simpson	CARS	844	887	95%	869	907	96%	27	36	NSS
Fort Smith	CARS	803	858	94%	818	870	94%	15	58	26%
Fort St John	ATS	775	786	99%	775	786	99%	0	10	NSS
Gillam	CWO	1049	1113	94%	1102	1158	95%	32	58	56%
Gjoa Haven	AWOS/CARS	702	844	83%	770	878	88%	80	148	54%
Grande Prairie	ATS	836	837	100%	840	840	100%	0	0	NSS
Hall Beach	AWOS/CARS	677	800	85%	712	822	87%	94	186	50%
Hay River	CARS	792	826	96%	821	847	97%	11	21	NSS
High Level	ATS	861	902	95%	889	924	96%	16	26	NSS
Holman	CARS	156	165	94%	156	169	92%	6	20	NSS
Igloolik	CARS	166	208	80%	171	212	81%	17	29	NSS
Inuvik	ATS/AA	693	845	82%	895	973	92%	52	96	54%
Iqaluit	ATS/AA	649	768	85%	802	905	89%	87	168	52%
Island Lake	CWO	909	926	98%	946	959	99%	20	31	NSS
Kamloops	ATS	817	817	100%	817	817	100%	0	0	NSS
Kelowna	NCA	794	795	100%	794	795	100%	0	0	NSS
Kugaaruk	CARS	177	187	95%	188	195	97%	22	29	NSS
Kugluktuk	CARS	779	913	85%	815	938	87%	65	102	64%
La Ronge	ATS	877	891	98%	887	896	99%	9	14	NSS
Lethbridge	ATS/AWOS	932	942	99%	947	953	99%	0	1	NSS
Lloydminster	ATS/NCA	857	864	99%	860	865	99%	13	14	NSS
Lutselk'e	CARS	142	143	99%	142	143	99%	9	10	NSS
Lynn Lake	NCA	901	942	96%	921	961	96%	19	40	NSS
Mackenzie	NCA	593	599	99%	593	599	99%	3	9	NSS
Masset	CWO	185	194	96%	192	197	97%	8	11	NSS
Mayo	CARS	773	789	98%	746	766	97%	29	36	NSS
Medicine Hat	ATS/NCA	846	853	99%	850	855	99%	1	2	NSS
Nanaimo	ATS	386	387	100%	389	389	100%	0	0	NSS
Norman Wells	ATS	844	869	97%	844	869	97%	11	17	NSS
North Battleford	NCA	907	932	97%	914	938	97%	32	45	NSS
Norway House	NCA	832	968	86%	870	984	88%	34	48	71%
Old Crow	CARS	400	403	99%	392	398	99%	14	20	NSS
Pangnirtung	LWIS/CARS	168	173	97%	124	141	88%	22	48	NSS
Paulatuk	CARS	158	175	90%	171	189	90%	6	18	NSS
Peace River	ATS	829	844	98%	838	855	98%	4	11	NSS
Penticton	ATS	771	771	100%	771	771	100%	0	0	NSS
Pond Inlet	AWOS/CARS	783	801	98%	784	801	98%	21	32	NSS
Port Hardy	ATS	842	912	92%	889	936	95%	20	45	NSS
Prince Albert	ATS	911	941	97%	936	956	98%	10	24	NSS
Prince George	NCA	842	876	96%	847	878	96%	14	32	NSS
Prince Rupert	NCA	852	966	88%	965	1029	94%	23	40	57%
Qikiqtarjuaq	AWOS/CARS	454	648	70%	301	466	65%	119	540	22%
Quesnel	NCA	415	472	88%	415	472	88%	9	44	21%
Rae Lake	CARS	153	155	99%	160	163	98%	8	15	NSS
Rankin Inlet	ATS	646	762	85%	682	809	84%	66	250	27%
Red Deer	ATS	872	881	99%	881	890	99%	6	11	NSS
Regina	ATS/AA	952	964	99%	974	975	100%	0	0	NSS
Repulse Bay	CARS	138	146	95%	140	147	95%	5	17	NSS
Resolute	CARS	607	773	79%	759	881	86%	117	216	54%
Sachs Harbour	CARS	142	198	72%	149	202	74%	8	32	24%
Sandspit	NCA	804	844	95%	852	868	98%	10	13	NSS
Saskatoon	ATS/AA	897	905	99%	917	918	100%	3	3	NSS
Slave Lake	NCA	815	820	99%	815	820	99%	11	15	NSS
Smithers	ATS/NCA	383	385	100%	383	385	100%	6	9	NSS
Springbank	CWO	422	432	98%	432	439	98%	5	7	NSS
Stony Rapids	NCA	599	650	92%	611	661	92%	44	83	53%
Swift Current	NCA	499	540	92%	506	542	93%	6	12	NSS
Taloyoak	CARS	820	837	98%	844	853	99%	10	17	NSS
Terrace	ATS	796	820	97%	826	839	98%	4	7	NSS
Teslin	CARS	413	413	100%	264	337	78%	19	78	24%
The Pas	CWO	910	945	96%	922	951	97%	13	22	NSS
Thompson	ATS	929	974	95%	985	1014	97%	18	27	NSS
Tofino	CWO	300	369	81%	321	389	82%	21	59	35%
Tuktoyaktuk	CARS	307	379	81%	335	405	83%	43	94	46%
Vancouver	CWO	1574	1590	99%	1597	1598	100%	1	1	NSS
Victoria	CWO	811	812	100%	813	813	100%	0	0	NSS
Victoria Harbour	ATS	392	394	100%	394	394	100%	1	1	NSS
Watson Lake	CARS	783	804	97%	793	808	98%	1	6	NSS
Whitecourt	ATS	192	192	100%	192	192	100%	0	0	NSS
Whitehorse	ATS	833	841	99%	844	846	100%	5	5	NSS
Williams Lake	ATS	816	825	99%	821	828	99%	7	11	NSS
Winnipeg	ATS/AA	886	896	99%	902	905	100%	2	3	NSS
Yellowknife	ATS	823	851	97%	860	876	98%	13	20	NSS
Yorkton	CWO	642	674	95%	652	681	96%	3	13	NSS
*Note: NSS stands for Not Statistically Significant
**Note: N/A stands for Not Applicable