NEW YORK — As residents of the tri-state area brace for another scorching hot and humid day Thursday, thunderstorms are expected to drench the area, prompting the National Weather Service to issue a flash flood watch.
Thursday is forecast to be the second of a three-day heat wave; and the heat-index value, or the estimation of how the temperature and humidity will feel combined, could read the mid-90s, with Friday hitting the upper-90s.
A heat advisory in NYC was initially expected to expire Thursday night, but has been extended through Friday at 7 p.m., according to the weather service.
Heat advisories are issued when the pairing of heat and humidity is predicted to make it feel at least 95 degrees for two consecutive days, or 100 degrees for “any length of that time,” the service states.
The “first significant heat event of the summer” also comes as up to 2 inches of rain could fall as storms move across the tri-state area Thursday afternoon.
Thunderstorms may contain gusty winds, and localized flooding could occur in urban or low-lying areas with poor drainage.
The flash flood watch is expected to begin at noon.
An air quality advisory warning of high ozone levels has also been extended through 11 p.m. Thursday.
Unsettled weather is expected to remain throughout the week, with the heat wave beginning to taper off this weekend but highs expected to remain in the upper 80s and scattered showers continuing.
“Heat is one of the leading weather-related killers in the United States,” the weather service warns.
People are advised to use air conditioning, stay hydrated, and check on vulnerable friends and family members, as well as elderly neighbors.
Preparations in case of a power outage should be made, according to the NYPD, as more people turn on air conditioners and fans.
In Astoria early Thursday morning, as many as 700 Con Edison customers were forced to spend the night without relief.
Cooling centers can be located by calling 311 or by visiting this link.
And as always, adults are reminded to never leave children or pets alone in a vehicle, as temperatures inside can reach 99 degrees within 10 minutes and up to 123 degrees in the first hour when the weather outside is only 80 degrees.