Climate Impact Report – 6/24

June 24, 2025

Key Facts Of The Day 6/24

Hurricanes And Storms

On Monday, the first tropical storm of the 2025 Atlantic hurricane season was reported. Tropical Storm Andrea was located several hundred miles east-northeast of Bermuda with sustained winds of 40 mph.

Extreme Heat Wave

This week, a dangerous heat dome is bringing record-high temperatures to millions across the Midwest and Northeast.
- On Sunday, about 20 heat-related records were broken across the country.
- Monday marked the third-highest reading for high pressure in U.S. history, making this week’s heat dome a “near-historic” heat wave.
- On Monday, 245 million people, nearly 75% of the country, experienced temperatures at 90 degrees Fahrenheit or above.
- On Monday, temperatures in New York’s Central Park reached 96 degrees Fahrenheit, tying a daily record high that was set in 1888.
- On Monday, extreme heat left an Amtrak train stuck in a tunnel just north of Baltimore, Maryland. Dozens of passengers were stranded on the train without power, lights, or AC for over an hour.
- On Tuesday, the first confirmed death from this week’s heat wave was reported in Missouri.
- On Tuesday, Providence, Rhode Island, saw temperatures reach 95 degrees Fahrenheit, breaking a daily record that was set in 1980.
- On Tuesday, 33 million people, about 10% of the country, were expected to feel 100-degree heat.
- On Tuesday, temperatures were expected to be 15 to 20 degrees above average across the United States. Some areas are forecast to see heat indexes, or “feels like” temperatures, as high as 110 degrees Fahrenheit.
  - The highest temperatures are expected across cities in the Northeast, where numerous daily record maximum and minimum temperatures are expected to be set.
- The National Weather Service warned that Light winds, sunny skies, and a lack of overnight cooling will pose a significant risk to those without adequate access to cooling and hydration.
- On Tuesday, more than 160 million Americans were under a level four-of-four extreme heat risk alert.
- On Tuesday, nearly 200 million Americans were under a heat risk or heat advisory alert, marking one of the most expansive heat alert events in U.S. history.
  - The majority of the alerts were located from the Midwest to the Northeast.
- On Tuesday and Wednesday, the Washington Monument was expected to be closed due to extreme heat in the Washington, D.C. area. Heat indices were expected to reach around 110 degrees Fahrenheit.
This week’s heat wave has already caused power outages across the country and is threatening energy grids.
- On Monday, electricity demand across the country reached its highest level in more than a decade.
- On Monday, more than 6,200 customers in southeast Queens, New York, were without power due to high temperatures straining the power grid.
- On Monday, two regional grids serving 110 million people from the Great Lakes to the mid-Atlantic issued level-one energy emergency alerts due to projected grid strain and outages from the heat wave.
- On Monday, over 30,000 customers in New Jersey were left without power due to extreme temperatures.
- On Monday, over 11,000 PECO customers in the Philadelphia, Pennsylvania area were without power.
  - The outages were caused by a mix of extreme heat and trees that damaged power lines during severe storms last week. At its peak, the storms left 300,000 customers without power.
- On Tuesday, the U.S. Department of Energy released an emergency order that allowed Duke Energy Corp. to exceed air pollution limits and take other actions to boost its power generation and meet energy demands in North and South Carolina.
  - The order was released after Duke Energy requested that customers reduce their electricity use between 3 p.m. and 8 p.m. on Monday to reduce strain on the power grid.
A new report found that at the current rate of global emissions, there are only two years remaining in the carbon budget to meet the international target of 1.5 degrees Celsius of warming.