7/26 – Rob Martin’s “End Of July” Tuesday Night Forecast

Another quiet night expected here along the Gulf Coast as the earlier showers fizzle out. Persistence is the call with the forecast Wednesday, as all systems remain in roughly the same place. The diurnally-driven storms will continue each day, primarily driven by sea-breezes that converge with flows over land, creating lift in the atmosphere. This means spotty, fairly slow-moving downpours in the afternoons and evenings, with a few morning showers along the coast.

High temperatures for places that don’t get any rain cooling is expected to be in the low 90s and heat index values up to 105. Not anticipating an issuance of a heat advisory but it may get close in a few spots especially in the urban areas if they don’t get any relief from rain. Rain chances will increase a bit toward Friday before backing off some for the weekend.

High pressure that had been the dominating pattern will finally begin to shift eastward and weaken starting around the weekend. This is mainly reflected as higher rain chances in the Friday to Sunday period. Starting around Sunday the high pressure will start to build back westward so that will knock down the rain potential again with the increased subsidence.

Otherwise not too much change and temperatures should remain around the average for this time of year.

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