Here are the observed upper-level winds. Note the area of dead air movement over Maine. That's an upper-level ridge. That's like a roadblock for #Henri. pic.twitter.com/l0zZznOk9N— NY NJ PA Weather (@nynjpaweather) August 22, 2021
Here are the observed upper-level winds. Note the area of dead air movement over Maine. That's an upper-level ridge. That's like a roadblock for #Henri. pic.twitter.com/l0zZznOk9N