Tuesday, August 29, 2017

Beautiful Weather and Tropical Storm Harvey Update

Fog starting to clear up nicely across the Stateline with visibilities becoming much more manageable.  There are still a couple of foggy areas, but those areas are seeing the fog evaporate pretty quickly.  All the fog across the Stateline should be evaporated around 11am.  We'll see scattered cloud cover going through the day, with a chance for showers out east as there's a small area of instability just off to the east. 

Clouds will clear up more during the late afternoon, when higher pressure starts settling in.  This will give us more sunshine, and boost our temperatures into the upper 70's.  The skies will completely clear for the overnight, cooling us down into the mid 50's.  Our wind speeds will also drop, and unfortunately both clear skies and calm winds during the night are recipes for thick fog development, so we could have another overnight filled with dense fog coming up.  Luckily, the high pressure influence stays with us for the rest of the week, keeping the skies sunny and allowing for mild temperatures in the upper 70's to low 80's, with Friday being an exception as we'll only hit the mid 70s that day due to cooler inflow out of the north.  That high pressure influence is expected to stay with us through the start of next week, where we'll start to see temperatures warm back up again into the low to mid 80's for Monday.

Tropical Storm Harvey:
 Harvey's winds have increased to 45mph, a 5mph increase from where they were at yesterday.  The reason being that the system has
slightly moved back out over the Gulf of Mexico.  There's almost no friction over water, and this makes it easy for wind to flow more freely, and this why winds have increased a little bit.  Moisture is continually being pulled off the Gulf, now keeping the rain pouring down on the Texas / Louisiana border.  10-15" are expected in a few areas between now and Thursday, and some areas will receive a total accumulation from when Harvey moved in to Harvey dying down of around 50". 

The system will track northeast as we head into the weekend.  A pool of hot, humid air will settle in around Kentucky and Tennessee, and this will attract Harvey to that area.  That pool of warm, humid air will die off early on Sunday, and by Sunday afternoon is when Harvey is expected to die off.

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