Heat and Fire Weather Concerns for the Center of the Nation; Coastal Impacts Across the East

Excessive heat returns for portions of the Plains today where heat indices will likely climb above the century mark. Furthermore, warm temperatures, strong winds and dry fuels may result in rapid spread of wild fires across the western High Plains today. For the east coast, lingering storm with onshore flow will bring high surf, dangerous rip currents and coastal flooding, especially at high tide. Read More >

Automatically generated image showing areas of convective available potential energy.


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CAPE

This is a surface based Convective Available Potential Energy (CAPE) measurement only. In the cool season, elevated instability may be much higher than surface based cape.

On average, CAPE of 1000 J/Kg is usually sufficient for strong to severe storms. CAPE of 3,000 to 4,000 J/Kg or higher is usually a signal of a very volatile atmosphere that could produce severe storms if other environmental parameters are in place.

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Heat and Fire Weather Concerns for the Center of the Nation; Coastal Impacts Across the East

Convective Parameters - Cape