Model
Eta
MRF
AVN
ECMWF
NGM
UKMET
Fcsts Valid At
(Eta/AVN only)
00 or 12 UTC
06 or 18 UTC
Forecast Hour
6
12
18
24
30
36
42
48
54
60
66
72
78
84
96
108
120
132
144
156
168
180
192
204
Field
SLP
850 mb Temp.
500 mb Hght.