Reading Field Conditions Flashcards
1
Q
Name 4 ways to determine wind speed.
A
- Observe field conditions and surrounding objects
- Wind flags
- Observe heat mirage
- Wind metering devise
2
Q
Wind speed; Smoke rises straight up, no movement of grass.
A
0 mph
3
Q
Wind speed; smoke moves in direction of wind, slight movement of grass.
A
1-3 mph
4
Q
Wind speed; wind felt lightly on the face.
A
4-7 mph
5
Q
Wind speed; leaves turn, twigs and treetops will be in motion.
A
8-12 mph
6
Q
Wind speed; leaves turn, twigs and treetops will be in motion.
A
13-18 mph
7
Q
Wind speed; large tree branches move, entire trees will sway if small.
A
19-24 mph
8
Q
Wind speed; large branches will be in constant motion and walking against the wind becomes difficult.
A
25-30 mph
