Heat Continues…With A Side Of Breeze.July 19th, 2013 at 8:23 am by Jeremy Wheeler under Weather
The heat is still on for today. In fact today looks like it will be a couple of degrees hotter than yesterday. The area of high pressure that has sat around the northern U.S. is starting to break down this morning. That has been the ultimate driver for the recent heat wave. A cold front is moving in from Canada and will break down that high today.
However, another high (the Bermuda High) is starting to build in from the Atlantic. This will allow for a southwesterly breeze to form. We’ve already seen it this morning with winds from that direction at 5-10mph. It should pick up to 10-15mph by the late morning. This will have an impact on the forecast. First off it will push some of the heat closer to the water. Highs will be in the mid 90s. The last couple of days saw cooler temps near the ocean and the Bay (mostly). However, the lack of breeze really didn’t help around the region with the heat indices above 100. Today that breeze should help to mix out some of the humidity. Well… a little anyway. The National Weather Service therefore has not issued a heat advisory for today. A heat advisory is put out when it looks like the heat index will be between 105-110 degrees for 3 or more hours. We will probably be just below that criteria with a few exceptions. So the bottom line about today is, there is some give and take in the forecast between the heat and the breeze.
Tomorrow will see a similar setup. High pressure should provide for more of the same. A stray shower or storm is possible both days. The bulk of the storms will be closer to the front in the Midwest.
The front will approach on Sunday. This will increase the rain chances in the region. The models are split on the amount of coverage on Sunday. I think we’ll at least see some scattered showers and storms, but the chance looks more like 40-50% now whereas yesterday I was thinking 60-70%. Stay tuned for updates on that. Highs will be more in the upper 80s to low 90s Sunday into Monday.
Try to stay cool this weekend. Some relief is on the way.
Meteorologist: Jeremy Wheeler