3.54.
MICROBURST
The Microburst function is accessed using the MICROBURST button on the Environment/Visual page.
See Figure 3-61. The microburst model is a takeoff and landing scenario which models a rapidly moving
storm. It is designed to be flown through at various angles and altitudes to produce different effects each
time it is encountered. The microburst is small, very intense, and creates vertical vortices as the wind
strikes the ground and spreads out in a circular pattern. The model is very intricate with temperature,
atmospheric pressure, wind velocities, and wind directions changing, depending upon the location of the
aircraft within the model.
The microburst model trigger point, which must be reached before the effects are felt by the flight crew,
is when the aircraft reaches the microburst boundary. The model remains in effect for a specific distance,
then times out gradually until the effects are no longer felt. The model can, however, be canceled at any
time while the model is running. The aircraft track will be drawn on the microburst review and the wind
speeds will be displayed upon microburst penetration.
Microburst
Plan view
Microburst
Profile view
Microburst
Review section
Figure 3-61. Microburst
TM-3-B 737-IOS1-007
MICROBURST
FSI-SSD
3-80
TOUCHSCREEN (NT IOS)
B 737
JAN 2001