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City of St. Louis Emergency Management
Monday June 18th, 2018 :: 11:03 a.m. CDT

Alert

The NWS has issued an EXCESSIVE HEAT WARNING from noon today - 8 PM 6/18/18. The heat advisory is no longer in effect

EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM CDT TUESDAY...

* TIMING...A dangerous combination of heat and humidity will
overspread the region beginning this afternoon and continue at
least through early Monday evening. Little relief from the heat
and humidity is expected during the night.

* HEAT INDEX VALUES...Up to around 107 due to temperatures in the
mid to upper 90s, and dewpoints in the lower 70s.

* IMPACTS...The combination of hot temperatures and high
humidity will likely lead to an increased risk of heat-
related stress and illness. The very young, the elderly, those
without air conditioning, and those participating in strenuous
outdoor activities will be the most susceptible. Also, car
interiors can reach lethal temperatures in a matter of minutes.

Instructions:

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive Heat Warning means that a prolonged period of
dangerously hot temperatures and high humidity will occur. In
addition, nighttime conditions will remain warm and muggy
providing little chance for relief. This combination will create
a dangerous situation in which heat-related illnesses are likely,
especially for those living in un-air conditioned homes or
apartments. People in the Warning area are advised to avoid
poorly ventilated areas and prolonged work in the sun. Use air
conditioning in your house or apartment if it is working
correctly. If you do not have air conditioning, keep your house
or apartment well ventilated with fans, and try to spend some
time in an air conditioned environment to give your body a break
from the heat.

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to the early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. Anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke
is an emergency, call 9-1-1 immediately.

Where`s baby? Look before you lock! Young children and pets
should never be left unattended in vehicles under any
circumstances. This is especially true during warm or hot weather
when car interiors can reach lethal temperatures in a matter of
minutes.

People in the Saint Louis Metropolitan Area can get information
about cooling centers or energy assistance related to the
excessive heat by calling the United Way of Greater Saint Louis at
800-427-4626, or if calling from a land line phone dial 2-1-1.
You can also call Cool Down Saint Louis at 314-241-7668.

Address/Location
City of St. Louis Emergency Management
1915 Olive St
St. Louis, MO 63103

Contact
Emergency: 9-1-1

Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Expected - Responsive action SHOULD be taken soon (within next hour)
Certainty:
Likely (p > ~50%)
Category:
Meteorological (inc. flood)
Event:
Excessive Heat Warning

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