— NWS DC/Baltimore (@NWS_BaltWash) July 21, 2017
With high temperatures forecast in the mid- to upper 90s, and humidity making it feel like upward of 105, the National Weather Service is again placing the area under a heat advisory. Today’s advisory will be in effect 10 a.m. to 8 p.m.
According to the NWS alert:
The National Weather Service in Baltimore MD/Washington has
issued a Heat Advisory, which is in effect from 10 AM to 8 PM EDT
* HEAT INDEX VALUES…Around 105 due to temperatures in the mid to
upper 90s, and dewpoints in the lower 70s.
* IMPACTS…The heat and humidity may cause heat stress during
outdoor exertion or extended exposure.
A Heat Advisory means that a period of high temperatures is
expected. The combination of high temperatures and high humidity
will create a situation in which heat illnesses are possible.
Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to 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 911.
Fairfax County offers these pieces of advice for people to help avoid heat-related illness and other calamities:
- Never leave children or pets alone in a closed vehicle.
- Take extra precautions if you work or spend time outside.
- When possible, reschedule strenuous activities to early morning or evening.
- Wear lightweight and loose-fitting clothing when possible and drink plenty of water.
- Drink plenty of fluids: Drink two to four glasses of cool fluids each hour. Your body needs water to keep cool. Drink water even if you don’t feel thirsty. Do not drink caffeinated or alcoholic beverages because they dehydrate the body.
The county suggests that residents without access to air conditioning should consider spending the warmest part of the day in public buildings such as movie theaters, shopping malls and other community facilities, or visit one of Fairfax County’s Cooling Centers.
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