Extreme Heat Warning issued July 4 at 12:47AM EDT until July 4 at 9:00PM EDT by NWS Baltimore MD/Washington DC
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values 110 to 115 expected.
* WHERE...Washington DC, and portions of central, north central,
northeast, northern, and southern Maryland, and central, northern,
and northwest Virginia.
* WHEN...From 10 AM this morning to 9 PM EDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events. Hot temperatures and high
humidity may cause heat illnesses.
* ADDITIONAL DETAILS...Early morning low temperatures in the 70s and
80s combined with oppressive humidity will result in little to no
overnight relief. Prolonged excessive heat may impact power,
water, and transportation systems. Heat index values around 100 to
104 are possible again Sunday afternoon.
What to do
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Affected area: District of Columbia; Frederick; Carroll; Northern Baltimore; Cecil; Southern Baltimore; Prince Georges; Anne Arundel; Charles; St. Marys; Calvert; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Northwest Harford; Southeast Harford; Nelson; Albemarle; Greene; Madison; Rappahannock; Orange; Culpeper; Fairfax; Arlington/Falls Church/Alexandria; Stafford; Spotsylvania; King George; Northern Fauquier; Southern Fauquier; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park
Reported by HarborBeat based on National Weather Service.
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