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Heat wave expected in NYC later this week

A ridge of high pressure will bring warmer temperatures into the Northeast US later this week. For the first time this summer, a heat wave is expected in NYC – defined by three straight days of high temperatures over 90° F.

The summer of 2023 has largely been defined by unsettled weather and humidity in the NYC Metro area. It has been uncomfortable for long stretches and there have been several days with unusually high humidity. Rainfall has also averaged above normal, especially in the interior and suburbs.

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Monday Briefing: Severe storms, flooding likely tonight

After several days of heat, the weather pattern is finally ready for a change. That will culminate this afternoon and evening, when strong and severe storms develop throughout the area. The Storm Prediction Center has placed our area in a Slight Risk (level 2 of 5) for severe storms through tonight.

These storms will be capable of producing frequent and dangerous lightning, torrential flooding rains, gusty winds and hail. Widespread flooding is likely, with tons of moisture in the atmosphere and a frontal boundary nearby.

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Thursday Briefing: Excessive Heat Watch on Friday and Saturday

The National Weather Service has issued an Excessive Heat Watch for the NYC Metro on Friday and Saturday. The watch also includes New Jersey, Long Island and Connecticut. Dangerous levels of heat are likely during that time. Temperatures will rise into the upper 90’s, and high dew points will lead to Heat Index Values over 105 F.

This level of heat is dangerous for everyone, but especially for sensitive groups. There are several heat safety tips available on our resource page. The most important thing is to stay hydrated, but it is also recommended that you significantly reduce exposure to the sun. Keep a close eye on children, the elderly and pets.

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Wednesday Briefing: NYC Heat wave begins today, storms also likely

A heat wave will begin today in NYC, with temperatures expected to rise into the mid and upper 90’s. The combination of temperature and humidity will lead to heat index values near 105 degrees. This level of heat is dangerous for all groups – but especially for children, the elderly, and pets. Keep a very close eye on neighbors and limit exposure to the sun. The worst of the heat will come during the mid afternoon, specifically between 1pm and 4pm.

In addition to oppressive heat, showers and thunderstorms are expected this afternoon. Some of the storms are likely to be strong and severe. Multiple rounds of storms are likely, with the first round of scattered activity expected by late afternoon. A threat for heavy rain will evolve during the evening, continuing into Thursday.

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