All primary seasonal forecasts for the North Atlantic tropics are updated. The seasonal forecasts indicated include the activity observed so far. The Climate Impact Company added 1 major hurricane and increased the ACE index. However, both Colorado State University and Tropical Storm Risk U.K. lowered their forecast from previous and are each now very close to Climate Impact Company. The NOAA/NHC forecast increased.

A strong positive phase Pacific North America index brings excessive heat peaking Wednesday in the Pacific Northwest while an equally impressive strong positive phase of the North Atlantic oscillation later this week causes extreme heat by early next week in the Mid-Atlantic region.