
Bermuda High and Tropical Cyclone tracks
The main tropical development area for the North Atlantic continues to cool relative to recent averages suggesting a stronger than normal Bermuda-Azores ridge. When this high pressure ridge is stronger or displaced west, as it appears to be now, tropical storm formation is less likely due to

NCEP Reanalysis mean surface pressure April 2018. Image credit https://www.tropicaltidbits.com
stronger wind shear and cooler SST temperatures caused by stronger trade winds, however, when tropical cyclones do form, a strong Bermuda-Azores high will tend to cause storms to track farther to the west increasing landfall risks.

Sea Surface Temperature Anomaly May 2018