Oak Ridge, TN Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Oak Ridge, TN

June 22, 2024 3:03 AM EDT (07:03 UTC) Change Location
Sunrise 6:19 AM   Sunset 8:58 PM
Moonrise 9:09 PM   Moonset 5:29 AM 
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7 Day Forecast for Marine Location Near Oak Ridge, TN
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Area Discussion for - Morristown, TN
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Area Forecast Discussion...UPDATED National Weather Service Morristown TN 149 AM EDT Sat Jun 22 2024


Issued at 922 PM EDT Fri Jun 21 2024

Forecast on track this evening with no updates needed.

(This evening through Saturday)
Issued at 315 PM EDT Fri Jun 21 2024

Key Messages:

1. A slight chance of showers and storms higher elevations Saturday afternoon into early evening.

2. Temperatures above normal tonight and Saturday.


Ridging aloft is now centered over the western Tennessee Valley and lower Ohio Valley this afternoon. A dry airmass is keeping heat index values in the lower 90s just above actual temperatures with dew points in the mid 60s. There has been a little more Cu development then yesterday but still no convection. An isolated shower or storm could still form across the northeast forecast area furthest from the upper ridge center where upper level heights are lower but the chance is too small to put in forecast. A light easterly flow continues but overall surface winds are light and variable. For tonight and Saturday expect partly cloudy skies.
Tonight lows will be slightly warmer in the upper 60s to lower 70s.
A little more patchy fog is possible, especially in the Tennessee River Valley. Saturday the upper ridge shifts southwestward or flattens more and the airmass will still be very warm. Highs reach into the low to mid 90s with heat index values again in the 90s and a few locations in the central and southern valley could reach around 100 heat index for a few hours. An increase of moisture will be moving north from the south and southeast. This will be enough with the instability during the afternoon to trigger showers and storms across the higher elevations in NC, east TN, SW VA and the Cumberland Plateau. Rainfall amounts are not expected to be that significant. However it may drop temperatures a few degrees giving some relief from the heat.

(Saturday night through next Friday)
Issued at 315 PM EDT Fri Jun 21 2024

Key Messages:

1. The heat continues.

2. Chances of showers and storms increase around Sunday evening into Monday, and again for Wednesday/Thursday.

The hot 500 mb ridge of high pressure that has been parked over the area will have begun to retrograde westward by Sunday, and will set up shop over the Four Corners by Tuesday. This means that our area will slowly but surely come under the influence of a northwesterly steering flow, which will begin to push weather systems through the area. The first and weaker one will occur on Sunday, with an accompanying chance of POPs. A second system will focus in on Wednesday-Thursday, with POPs bumping up into the likely category.
In the days between these events and beyond, there may still be isolated diurnal showers or tstms possible.

With the passage of the Thursday system/front, the ridge to the west will extend eastward again and keep precip to a minimum until late in the weekend.

Afternoon max heat indices will flirt with 100 degrees in the southern Valley from Sunday to Wednesday.

(06Z TAFS)
Issued at 145 AM EDT Sat Jun 22 2024

VFR conditions expected through the period. Some isolated to scattered SHRA will develop in the mountains and possibly the Cumberland plateau this afternoon but do not expect these to affect any terminals. Winds should be light and variable.

Chattanooga Airport, TN 95 74 96 76 / 10 0 10 40 Knoxville McGhee Tyson Airport, TN 93 73 93 72 / 10 0 20 60 Oak Ridge, TN 92 71 93 71 / 10 0 20 50 Tri Cities Airport, TN 91 69 90 70 / 10 0 30 60


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