winds & temp aloft forecast (FB) Flashcards
1
Q
when is a winds & temp aloft forecast (FB) issued
A
4 times daily for various altitudes and flight levels
2
Q
when are winds & temp not shown
A
winds at altitudes up to 1500’ AGL
temperatures at up to 2500’ AGL
3
Q
what is the format of winds & temp aloft forecast (FB)
A
DDff ± tt
DD = wind direction
ff = wind speed
tt = temperature
4
Q
9900 on the winds & temp aloft forecast (FB)
A
light and variable winds
5
Q
how are winds between 100 - 199 kts coded on the winds & temp aloft forecast (FB)
A
by adding a 5 to the first digit of the wind direction
6
Q
above FL240 on the winds & temp aloft forecast (FB)
A
temperatures are negative & the minus (-) is omitted