Metro-02
Meteorology and Flight Planning
b.
When
(1) 091730Z -- the forecast for the 9th day of
the month with an issuance time of 1730Z
or UTC (2-digit date and 4-digit time)
(2) 091818 --the valid period with the first
2 digits containing the day of the month
(09)
(3) 091818 -- the second 2 digits specify the
hour beginning the forecast period (1800Z)
(4) 091818 -- the last 2 digits are the hour
ending the forecast period (1800Z on the
next day, the 10th)
c.
Wind
(1) WS015/30045KT means at 1,500 ft, we
expect wind to be 300 degrees at 45 kts.
This indicates low-level wind shear not
associated with convective activity
d.
Time Periods, Etc.
(1) FM2030 -- From 2030Z or UTC time
(indicates hours and minutes)
(2) TEMPO 2022 -- Temporary changes
expected between 2000Z and 2200Z
(3) FM2300 -- From 2300Z
(4) PROB40 0407 -- There is a 40% probability
of this condition occurring between 0400Z
and 0700Z
(5) FM1000 -- From 1000Z
(6) BECMG 1315 -- Conditions becoming as
described between 1300Z and 1500Z
(7-97) Original
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