Canadian Weather - GFS Forecast Model

Level/Variable	Forecast Time
Precip / Prec SL	00	12	24	36	48	60	72	84	96	108	60	120	132	144	156	168	180	204	228
1000-500MB/MSLP	00	12	24	36	48	60	72	84	96	108	60	120	132	144	156	168	180	204	228
1000MB Temp/Wind	00	12	24	36	48	60	72	84	96	108	60	120	132	144	156	168	180	204	228
850MB Height/Temp/Wind	00	12	24	36	48	60	72	84	96	108	60	120	132	144	156	168	180	204	228
500MB Height/Vort/Wind	00	12	24	36	48	60	72	84	96	108	60	120	132	144	156	168	180	204	228
300MB Height/Wind	00	12	24	36	48	60	72	84	96	108	60	120	132	144	156	168	180	204	228
RH / Lifted Index	00	12	24	36	48	60	72	84	96	108	60	120	132	144	156	168	180	204	228

The Global Forecast System (GFS) – The GFS is a global spectral model used primarily for aviation weather forecasts. The GFS provides guidance out to 384 hours at 00, 06, 12 and 18UTC. Data provided with thanks to Unisys