A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the ...

The Subtropical Jet Streams occur around 30° North and around 30° South. These streams form because Earth is not evenly heated. Solar heat is focused on the tropics. The resulting hot air is ...

While many look forward to March so they can fill out brackets with top seeds and underdogs, the weather patterns do their ...

Various factors such as melting sea ice and shifts in the subtropical jet stream over the mid-latitudes in the U.S. may counteract each other. “We have big uncertainty about what’s going to ...

The ideal setup involves the subtropical jet stream moving over the South. This would then allow disturbances to track near the South, which provides the third ingredient of lift in the atmosphere.