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Extreme Heat Warning
ActiveDistrict of Columbia; Frederick; Carroll; Northern Baltimore; Cecil
Status
In Progress
Started 29 minutes ago
Ends
Issued
Severity
Severe
Urgency
Expected
Certainty
Likely
Details
* WHAT...Dangerously hot conditions with heat index values of 110 to 115.
* WHERE...Washington DC, and portions of central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia.
* WHEN...Until 9 PM EDT this evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...Prolonged excessive heat may impact power, water, and transportation systems. Heat index values around 100 to 105 are possible again Sunday afternoon.
Data from the National Weather Service
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