Sunshine takes over, but not a clean sweep for the mountains

High pressure works its way in today, and sticks around for a while. Expect sunny afternoons with highs creeping up through the 80s by the end of the week. The mountains however, will still be susceptible for an afternoon shower.

A good Wednesday morning to one and all.

Thank you for stopping by the blog today. I appreciate your patronage, and I hope you have come to see this as a useful and accurate resource for your weather needs.

Today we finally get rid of the cold-pool of air aloft and can settle in to high pressure sticking around through the rest of the week. This makes our days pleasant and our nights comfortable, but also re-acquaints us with the "Fog Season". Typically rearing its head a little later in August and continues into the start of fall, it represents the meeting point between a warm, humid afternoon and the ability to radiationally cool at night due to crisp clear skies and a lessening influence of the Sun. We've already seen this the past few days, but we'll be at it again for the valleys and river beds. Here's a look at the specialized satellite imagery for looking for fog without the benefit of daylight:

GOES-13 Fog Product (Experimental) GOES-13 Fog Depth Estimate

By about 9am or so we'll rid ourselves of this annoyance and be back to the Sun. More than likely we'll see rest on all sides for a nice dry afternoon with seasonable temperatures. As we move on in the week though, the picture changes slightly for the mountains east and south:

GFS - Thursday PM GFS - Friday PM

The reason why the mountains are more vulnerable to the afternoon storms is the combination of several factors: (a) the heating hours of the day; (b) the extra lifting provided by wind-flow pushing up the mountains; and (c) the gradual increase of humidity brought on by consecutive days of moisture brought in from the south.

HPC - Rainfall Projection - Next 3 Days

HPC also picks up on this... This represents projected rainfall totals by late Friday. Figure the green in the mountains as a reflection of isolated showers and storms roaming around each afternoon, while the rest will stay dry.

--- Tropical Tangent ("Isaac") ---

Our tropical season has been a little lame after an interesting early start. I am a tropical weather junkie, having been in six hurricanes in my life (all on purpose). However, I get a new standard of 'boring' each time and as such I don't necessarily pay attention to storms that aren't going to end up being interesting.

Well, we do have a storm newly formed in the Atlantic, headed to the Caribbean that does appear to want to be 'interesting' :-) Here are the maps for you to browse:

NHC - Tropical Storm Isaac - Track NHC - Tropical Storm Isaac - Wind Field

 A point to note: Most of the time a storm's track takes it anywhere near the high mountains of the Dominican Republic (and even the Cuban mainland) the storms tend to get all ripped apart. But, the models still want to imply "something" coming to the US mainland early next week. At least it's something to watch...

--- End Tangent ---

Regional Radar/Satellite with Warnings Tracking

Accuweather Radar

From the Storm Prediction Center (below): Click For a Larger Image

Activity Overview Storm Outlook Watches Potential Watches Storm Reports
Temperatures HD Doppler Radar Estimated Rainfall Active Warnings
Current Temperatures HD Doppler Radar Estimated Rainfall Active NWS Warnings
Click For Larger Click For Interactive Radar Click For Larger Click For Larger

Have a great day everyone!

-B

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