Locally Heavy Rainfall for the Carolinas; Thunderstorms and Fire Weather Concerns for Intermountain West

Heavy rainfall from scattered thunderstorms is expected across the Southwest, Intermountain West, and Plains. Isolated dry thunderstorms may initiate additional fires across the west. The coastal Carolinas may experience flash floods in the coming days due to repeated thunderstorms. Additionally, a wave of intense summer heat will hit the Southern Plains and central Gulf Coast States this week. Read More >

Automatically generated image showing areas of the convective interest parameter.


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Convective Interest

This is a highly experimental index which attempts to show areas where surface based convection is favorable or may initiate within the next hour. The index uses a combination of several fields, (CAPE, CIN, low level lapse rates, moisture convergence, satellite, and most unstable LI) to develop a number between -100 and 100. Negative values are indicative of an environment not supportive of surface based convection. The higher the value, the more favorable the environment is for surface based convection. Values greater than 70 are suggestive that convective initiation will likely occur within the next hour in that region. This index works best in regimes of airmass (or pulse) convection or on days where the cap is the primary inhibiting factor for convection.

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Locally Heavy Rainfall for the Carolinas; Thunderstorms and Fire Weather Concerns for Intermountain West

Convective Parameters - Convective Interest