Why did the Atlantic Subtropical Jet intensify this month (reducing TC genesis)? Below is a 250mb zonal wind anomaly plot averaged over 2 weeks from the second half of July into the first half of August. Watch the positive anomalies intensify across 10-40­°N in a SW to NE belt: pic.twitter.com/rQDcBmhLaO

— Anthony Masiello (@antmasiello) August 18, 2022