After “Elsa” came ashore in northwestern Florida on July 7th, the tropical Atlantic experienced an extended quiet stretch of weather….that quiet stretch is now over. There are two tropical systems currently located in the central Atlantic and it is the frontrunner that is of increasing concern. This system is nearing the Caribbean Sea and it has a good chance of becoming a named (“Fred”) storm in coming days and could ultimately have an impact on southern Florida and then spill out over the eastern Gulf of Mexico.
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High pressure will build into the eastern states early this week and become the dominate player for weather conditions around here and it’ll turn quite hot. In addition to high pressure at the surface, strong ridging will form aloft over the Northeast US and this opens the door for tropical activity to move from east-to-west and towards the southeastern states. In fact, there are now multiple systems that have formed in the tropical Atlantic which will bear monitoring as we head towards mid-August.
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An upper-level trough of low pressure will impact temperatures around here for another day or two, but it will dissipate later in the week. As a result, it’ll turn hotter as we head into the upcoming weekend with high temperatures likely back into the lower 90’s for each weekend day. Elsewhere, the tropical scene in the Atlantic Basin has been quiet for weeks, but signs point to a pickup in activity as we head towards mid-month.
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An upper-level trough of low pressure will impact temperatures around here for the next couple of days, but will fade later in the week. As a result, it’ll turn hotter as we head towards and into the upcoming weekend with high temperatures likely back up to or slightly above the 90 degree mark for the Friday-Sunday time period. Elsewhere, the tropical scene in the Atlantic Basin has been quiet for weeks, but signs point to a pickup in activity as we head towards mid-month.
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The temperature pattern across the US during the month of July was pretty close-to-normal (+1.1 degrees F) and there was an extended quiet stretch in terms of tropical activity in the Atlantic Basin. In fact, there has not been a single named storm in the tropical Atlantic since “Elsa” which came ashore as a tropical storm in northwestern Florida on July 7th. Several signals point to an end to the quiet phase in the Atlantic Basin. In fact, it is not unusual for tropical activity to pick up during the month of August as sea surface temperatures in the Atlantic Basin continue to climb towards their usual early-to-mid September peak. In addition, the unfolding upper-level height pattern across North America will likely become more favorable for a pick up in tropical activity and an increased threat to the US. Specifically, high pressure ridging will build and intensify in coming days over the Northeast US and southeastern part of Canada – often a precursor to tropical activity that can impact the Gulf of Mexico or the east coast of the US.
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The main players across the country this week will be an upper-level ridge of high pressure over the Northern Rockies/southwestern Canada and an upper-level low over the northeastern US/southeastern Canada. As a result, warmer-than-normal weather will continue across the Northern Plains and Pacific Northwest - as was the case for much of July - and it’ll be somewhat cooler-than-normal for much of the week in the eastern US. Locally, unsettled conditions will continue today across the Tennessee Valley with the chance of showers and storms, but drier air will reduce that threat as we move into the day on Tuesday.
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The main players across the country in coming days will be an upper-level ridge of high pressure over the Northern Rockies/southwestern Canada and an upper-level low over the northeastern US/southeastern Canada. As a result, warmer-than-normal weather will continue from the Northern Plains to the Pacific Northwest - as was the case for much of the month of July - and it’ll become somewhat cooler-than-normal in the northeastern US. Locally, it remains quite hot through tomorrow with afternoon highs in the middle 90’s and then a downward trend in temperatures will begin on Sunday. By the time we get to the early part of next week, highs temperatures will likely be in the middle 80’s as compared with the middle 90’s for today and tomorrow.
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Upper-level high pressure across the Great Plains continues to dominate the weather picture in the Tennessee Valley and very hot weather continues to be the result. Temperatures should climb into the mid-to-upper 90’s this afternoon and likely reach those same levels on Friday and Saturday. Some relief is likely around here by the second half of the weekend following the passage of a frontal system and temperatures on Sunday and Monday are more likely to be confined to the middle 80’s for afternoon highs.
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Upper-level high pressure across the Great Plains will dominate the weather picture in the Tennessee Valley and hot weather will be the result. Temperatures should climb into the mid 90’s this afternoon and likely reach those same levels right into the upcoming weekend. Some relief is likely around here by the second half of the weekend following the passage of a frontal system and temperatures on Sunday and Monday are more likely to be confined to the middle 80’s for afternoon highs.
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Upper-level high pressure ridging will intensify over the Rocky Mountains over the next couple of days and then slowly shift to the southeast. Drier air will push into the Tennessee Valley and this will allow temperatures to soar with less clouds and lower chances of rain. High temperatures this afternoon will likely be in the lower 90’s and middle 90’s are likely on Wednesday and Thursday.
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