Monday, July 11, 2016
Prolonged Heat Possible Next Week
This type of pattern is what's known as a 'Ring of Fire' pattern. Extreme heat builds under a strong ridge of high pressure with thunderstorms moving along the edge the heat. Because hot air aloft doesn't allow air parcels to rise - which is what is needed for thunderstorms - strong and severe thunderstorms form on the outside of the heat dome where the jet stream is stronger. The heat under the ridge of high pressure helps fuel these thunderstorms with copious amounts of moisture and instability. This is also a pattern very favorable for overnight storms known as 'Mesoscale Convective Systems' or MCS. So if you're not a fan of the heat, the extended outlook might not be your favorite.