Widespread Heavy Rainfall and Flash Flooding Across the Mid-Atlantic and Eastern United States

Strategic Insights -

Widespread heavy rainfall and flash flooding were reported across the Mid-Atlantic and Eastern United States, prompting flash flood warnings and watches in New York City, the D.C. area, Virginia, and other parts of the region. The heavy rainfall and flash flooding resulted in water rescues, road closures, and train and bus delays. New Jersey Gov. Phil Murphy declared an emergency due to flooding rains, and a state of emergency was already in place in New Mexico due to deadly flooding.

Key Takeaways:

  • Heavy rainfall and flash flooding were reported across the Mid-Atlantic and Eastern United States, affecting areas including New York City, the D.C. area, Virginia, and New Mexico.
  • Flash flood warnings and watches were issued for parts of New York, New Jersey, Connecticut, Maryland, and Pennsylvania.
  • A state of emergency was declared in New Mexico due to deadly flooding, and New Jersey Gov. Phil Murphy declared an emergency due to flooding rains.
  • The FAA declared ground stops at multiple Northeast airports due to inclement weather.
  • The NYC subway was disrupted, with several train services suspended in Manhattan while crews addressed flooding in multiple stations.
  • A flash flood emergency was declared in Virginia for the city of Petersburg and southern Colonial Heights after 2-3 inches or more of rain fell in one-two hours.

Statistics:

  • 5-7" of rain reported to have fallen in a short time in Rockland and Westchester, New York.
  • 2-3 inches or more of rain fell in one-two hours in Petersburg and southern Colonial Heights, Virginia.
  • Multiple Northeast airports experienced ground stops due to inclement weather.
  • Several train services were suspended in Manhattan, New York City.
  • A state of emergency was declared in New Mexico due to deadly flooding.
  • Heavy rainfall and flash flooding were reportedly affecting central and south-central Texas on Monday.

Sources:

  • Axios: "Extreme weather" (https://www.axios.com/energy-climate/extreme-weather)
  • National Weather Service: Forecast discussion (https://www.wpc.ncep.noaa.gov/discussions/hpcdiscussions.php?disc=pmdspd)
  • Twitter: @AnnapolisOEM (https://x.com/AnnapolisOEM/status/1944911325492113762)
  • Twitter: @NJS2848 (https://x.com/GovMurphy/status/1944903058842083670)
  • Facebook: Village of Ruidoso (https://www.facebook.com/villageofruidoso/posts/pfbid02NiZzUExqsD19uZSnAmK5SvfSD1BfkK4946jHibEXHYgGTRcGUnZjYogQkWnUbuo6l)
  • National Weather Service: Flash flood warning (https://x.com/NWSFlashFlood/status/1944970801406452173)
  • National Weather Service: Flash flood emergency (https://x.com/NWSFlashFlood/status/1944977144519491831)
  • Axios: "New Mexico flooding: Ruidoso village reports rapidly rising floodwaters" (https://www.axios.com/2025/07/09/new-mexico-flooding-ruidoso-homes-swept-away)
  • National Weather Service: QPF (https://www.wpc.ncep.noaa.gov/qpf/ero.php?opt=curr&day=1)
  • Axios: "Climate change causes more intense and frequent extreme precipitation events" (https://www.axios.com/energy-climate/climate-change)