The rapid intensification threshold is 35 mph in 24 hours. For extreme rapid intensification it's 58 mph in 24 hours.#Erin saw a 85 mph gain in max windspeed in 24 hrs. By barometric pressure, it is now a top-20 strongest Atlantic #hurricane. pic.twitter.com/iWimiqlKbM— John Morales (@JohnMoralesTV) August 16, 2025
The rapid intensification threshold is 35 mph in 24 hours. For extreme rapid intensification it's 58 mph in 24 hours.#Erin saw a 85 mph gain in max windspeed in 24 hrs. By barometric pressure, it is now a top-20 strongest Atlantic #hurricane. pic.twitter.com/iWimiqlKbM