Less breezy but still hot with heat indices near 107 degrees
Wednesday Weather 6-8-22
Extended Forecast: Friday through Wednesday:
Synopsis: High pressure is surrounding the area while high pressure in northern Mexico moved east and is now over South (Central) Texas as of Tuesday night (last night).
High dewpoints (moisture) are keeping overnight temperatures in the 70’s and 80’s (near the coast for the 80’s). Winds out of the southeast (5-15 mph) combined with strong upper-level winds out of the northeast (cooling the area very very slightly) moved some cloud cover into the area Tuesday night into Wednesday morning.
Those clouds and cooler air moving into the higher levels will be the reason that high temperatures dip just a little bit on Wednesday and Thursday.
High pressure will start to move towards the southeast, allowing for those upper-level winds out of the northeast to switch to out of the east and southeast. This movement will allow for more moisture to move into South Texas. This added moisture could push heat index value temperatures in the range of 105-109 degrees on Wednesday. Further west, some ambient temperatures could approach 110 degrees for a short time period which has the potential to illicit Heat Advisory Criteria. Winds will be less breezy on Wednesday (SE 15-20 mph).
High pressure in the Gulf will drift west and strengthen over South Texas on Wednesday night. The larger area of high pressure, and less pull-on surrounding systems will allow for the winds to ease on Wednesday night (SE 5-10). Patchy fog could develop as the winds start to calm.
For the long-term period, Thursday through Tuesday, high pressure in Northern Mexico stretching north into the Southern Rocky Mountains and east into Texas will control the atmosphere through the weekend (Thursday through Sunday). This will keep hot and dry conditions going with temperature records potentially being broken.Heat Index Values away from the water could exceed 110 degrees each day. Victoria will flirt with the 110-degree mark for indices as well.High pressure should start to move to the east and into the lower Mississippi River Valley on Monday and Tuesday. Storms will develop over the Southern High Plains Monday and Tuesday as a trough pushes into the Central Rocky Mountains.
This movement will increase winds out of the south in South Texas Monday and Tuesday. Areas away from the coast could be dealing with Elevated Fire Danger conditions.
Saharan Dust (plumes), moving east to west through the Caribbean Sea will make its way into South Texas. The dust will make its way into South Texas by Saturday morning and should last through Tuesday. This will add hazy to the hot conditions.
Tropical Weather Update: Tropical Storm Activity is not expected over the next 48-hours.
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