Weather Policy

                                                            Hang Out with Habitat 2018
                                                                       WEATHER POLICY

Lightning
A weather related delay must be initiated until the lightning strikes are a safe distance away. Lightning
can strike horizontally up to forty (40) miles. If lightning strikes within forty (40) miles and nothing
separates an event and the lightning (i.e. taller buildings), then it is not safe to be out on the rooftop. If
surrounded by taller buildings, the safe distance for a lightning strike can be shortened. Regardless of
surrounding buildings, remain indoors if lightning is observed within twenty (20) miles. If thunder can be
heard, remain indoors. It can be considered safe to restart the event ten (10) minutes after the last
observed strike or sound of thunder.

Heavy rain
Typically an event can continue to operate in rain. When rain is so heavy people lose vision or some
other unsafe condition exists due to rain, a weather related delay must be initiated until rain eases
enough to continue.

Wind
Wind can cause participants to lose their ability to continue down the rope or they may be blown away
from the building. Wind can cause entanglement of ropes and can increase the risk of injury to
participants. A general guideline for wind speed is a sustained wind of approximately twenty-five (25)
miles per hour (MPH). However, gusty wind can be a problem in a less sustained wind speed. Wind
direction and building location can also affect how wind affects an event. A building can sometimes
block the wind all together or direct the wind at the rappel face. OTE technicians are to use hand held
anemometer wind gauges at the rappel site to help determine safe wind speeds for an event. The SSS
shall initiate a weather related delay if any of the following conditions exist: a sustained wind at the
rappel face of twenty-five (25) MPH or higher, gusts lasting twenty (20) seconds of twenty-five (25) MPH,
gusts lasting less than twenty (20) seconds of higher than thirty (35) MPH or a lower wind in a direction
that causes persons to place themselves at likely risk of injury.

Heat
Heat can be very dangerous to people working outdoors. When temperatures rise, a rooftop can quickly
exceed the heat index. Rope volunteers, photographers, TM and the SSS can be exposed to extreme
heat on hot days. Monitor people closely and ensure people drink lots of water. Give people lots of
breaks and allow people to spend some time indoors during the hottest parts of the day. In the event of
OTE personnel showing signs of a heat related illness and no one is available to relieve that person, a
weather related delay shall be initiated for a time to allow that person to recuperate in the conditioned
air indoors.