4/18 – Brittany’s “Spectacular Workweek” Afternoon Forecast
The cold front is now well east of the area as skies have cleared. A less humid flow and sunshine will dominate the forecast ahead, but this will not last long especially this time of year. We should get back into a return flow off the gulf by Wed, but only a gentle warm up will be noticed with a small amount of dew points return.
The transition from Wed to Thu will be noticeable. A strong subsiding air mass will take hold and the high-pressure that produces it will strengthen a bit once over the area. A cold front will move through west TX Wed, but when it enters east TX, the mid/upper high will begin to move over this front causing the showers/t-storms marching into LA to decay and dissipate as they try to move east.
The area of subsidence moves in from the Pacific and helps reinforce the surface ridging from the Bermuda High. This whole recipe is simply a cause for heat and a 90F or two before any kind of cool down would not be surprising. This should occur Thursday through at least Monday. There is a small chance that a cooling shower/t-storm develops from a convergent boundary moving within the SE flow by Sunday/Monday time frame.