Metro-03
Meteorology Review
D.
Winds Aloft Forecast (FD) 1.1.1.5.2
Sg 6, fr 8
Fig 20: Winds Aloft
1.
Provides teletype forecast wind direction and speed
Forecast (FD)
for specified altitudes ranging from 1,500 ft AGL
through 39,000 ft MSL and temperatures from
2,500 ft AGL through 39,000 ft MSL
2.
Coding contains wind direction and speed in first
4 digits, followed by temperature figure in degrees C
NOTE: If wind speeds exceed 100 kts, 100 is
subtracted from the wind speed, and 50 is added to
the direction.
EXAMPLE: 621960 = wind direction
120 deg
wind speed
119 kts
temperature
-60 deg C
EXAMPLE: 850552 = wind direction
350 deg
wind speed
105 kts
temperature
-52 deg C
E.
Severe weather reports, advisories, and forecasts
Sg 6, fr 9
1.1.1.4.6, 1.1.1.11
Severe Weather
Watch Bulletin (WW)
1.
Severe Weather Watch bulletin (WW) 1.1.1.4.7
a.
Defines areas of possible severe thunderstorms
and tornadoes; describes level of intensity, hail
size, wind speeds, CB tops, estimated cell
movement, cause of severe weather; and
updates convective outlooks (AC)
b.
Hazards include thunderstorms with winds of
50 kts or more, 3/4 inches hail, or tornadoes
c.
Flight restrictions
(1) Navy pilots will not file into or fly through
WW areas
(7-97) Original
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