Garmin GPS 400 - Manual (Page 213)

GPS 400 Pilot’s Guide and Reference 190-00140-60 Rev. H 10-35
SECTION 10
ADDITIONAL FEATURES
The symbol in Figure 10-48 indicates the ceiling at
KMWM is marginal VFR, with heavy snow and low IFR
visibility. The data age is 31-60 minutes old.
Ceiling and Visibility - Flight Rules
VFR
(green bars)
Marginal VFR
(green bars)
IFR
(yellow bars)
Low IFR
(yellow bars)
Table 10-15 Ceiling and Visibility Graphics
Ceiling Precipitation
Visibility
Station Identifier
Data Age
Figure 10-48 METAR Symbol
Winds
Wind Vector - The wind vector indicates the
direction of the surface wind to the nearest 30˚
increment (e.g. 30˚, 60˚, 90˚, 120˚, etc.).
Wind Speed - In general, the sum of the wind barbs
(see Table 10-16) is the sustained surface wind
speed.
Wind Speed
(Blank) Unknown
Short Barb 5 kts
Long Barb 10 kts
≥ 37 kts
Table 10-16 Wind Speed Graphics
Gust Offset
(Blank) Gusts are unknown or < 5 kts above
sustained wind speed.
G10
(Green)
Wind is gusting 5 - 10 kts more than sus-
tained speed.
G11+
(Yellow)
Wind is gusting 11 kts or more above its
sustained speed.
Table 10-17 Gust Offset Graphics