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Author: Jared Smith

Jared Smith founded @chswx on Twitter in 2008 as an experiment in disseminating weather data through social media. In the ensuing decade-and-a-half, @chswx has provided live coverage of tropical cyclones, tornadoes, severe weather, and even a couple bouts of winter weather to the good people of Charleston, SC.

Tuesday: Last 80s for a few days as we watch Milton

/ October 7, 2024 at 7:34 PM

Quiet and warm weather continues Tuesday as we continue to monitor Hurricane Milton in the Gulf of Mexico for possible peripheral impacts on the Lowcountry as we get into Wednesday night and Thursday. Expect a comfortable start in the mid-60s on Tuesday, with temperatures warming to the low-to-mid-80s in the afternoon under partly cloudy skies (though clouds will be increasing as the day goes on). Northeast winds will generally run 10-15 MPH across the metro.

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The week ahead: Cooling off — and watching Milton

/ October 6, 2024 at 11:37 PM

A cold front brings a shot of Fall to the area as we get into the meat of the new week with a possible brief appearance by Hurricane Milton as it departs into the Atlantic and turns extratropical.

Monday will be the warmest day of the week ahead of the aforementioned cold front. We’ll start the day in the low to mid-60s, which is right around where we should be at this point in the year. Temperatures will warm to the mid-80s in the afternoon under mostly sunny skies.

The front gets through Tuesday morning. We’ll start Tuesday in the mid-60s, but will only warm to the low 80s in the afternoon with a bit more in the way of cloud cover as the front stalls out to our south. Cloud cover and northeasterly winds increase Wednesday as Milton draws closer. This will keep highs only in the mid-to-upper 70s in the afternoon.

On the current forecast track, we can expect peripheral effects from Milton starting Wednesday night and peaking on Thursday. Showers will be possible near the coast, but the main concerns will be gusty winds as the gradient pinches between Milton to the south and high pressure to the north, rough surf and rip currents, maybe some beach erosion, and coastal flooding, which may be significant come Thursday. It’s too early to know the extent of those impacts, but it’ll be worth watching for travel troubles downtown around times of high tide.

The good news is that Milton departs quickly, and the weekend looks excellent, with the first solid stretch of lows in the 50s of the season expected through Sunday. Temperatures warm from the mid-70s on Friday to the low 80s on Sunday with plenty of sunshine expected.

Weekend forecast: Seasonable warmth continues with a mix of clouds and sun

/ October 4, 2024 at 8:50 PM

Quiet weather is expected this weekend as high pressure remains in control. Friday’s occasional showers will be a thing of the past on Saturday as cloud cover gradually thins throughout the day. We start Saturday in the upper 60s, warming to the mid-80s in the afternoon.

More sunshine is in the offing for Sunday as a trough of low pressure aloft moves out and a little bit of ridging moves in. We start the day a touch cooler, generally in the mid-to-upper 60s, warming once again to the mid-80s in the afternoon under partly cloudy skies.

The next front, which arrives with little fanfare on Monday, should finally bring a shot of more fall-like air into the area for next week, with lows possibly dipping into the 50s by next Thursday. Overall, the outlook is for generally quiet and dry weather for at least the next several days.

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Friday & the weekend: Quiet, seasonably warm

/ October 3, 2024 at 10:22 PM

Not terribly much to write home about in the weather department this weekend as our weather looks generally quiet with above-normal temperatures expected. A bit more cloud cover works into the area Friday, with a stray shower possible at the coast in the morning. Otherwise, we stay rain-free for the foreseeable future as dry air aloft keeps a lid on shower activity. Temperatures on Friday start in the mid-60s, warming to the low-to-mid-80s in the afternoon.

Saturday runs a little warmer ahead of a weak front that’ll pass by with relatively little fanfare. A mix of sun and clouds is expected throughout the day, but once again, shower activity should be suppressed this far north. We start the day near 70°, warming to the mid-80s in the afternoon, likely a couple clicks higher than we will on Friday.

Post-frontal skies on Sunday will trend a little sunnier, with morning lows in the upper 60s warming to the low 80s in the afternoon. All in all, the next few days look pretty alright weather-wise.

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Thursday: Another nice day; clouds increase for the weekend

/ October 2, 2024 at 7:37 PM

Quiet and seasonably warm weather continues for Thursday. We’ll start the day in the mid-to-upper 60s, warming to the mid-80s in the afternoon under partly cloudy skies. Dewpoints will run in the upper 60s, so it’ll still feel a touch humid, but it won’t be too bad overall. The only weather-related issue we could run into tomorrow would be a little bit of salt water on the roads around the 9:01am high tide. Water levels should peak around 7′, which is right where we generally start to see coastal flooding occur. Widespread impacts aren’t expected, but the usual trouble spots may once again be troublesome, particularly around Hagood and Fishburne.

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Rest of the work week: High pressure takes over

/ October 1, 2024 at 8:08 PM

High pressure will be in control of our weather for the rest of the week both at the surface and aloft, bringing in quiet and seasonably warm conditions with a fair bit of sunshine, especially on Wednesday and Thursday. Temperatures each day start in the upper 60s, warming to the mid-80s each afternoon.

Rain chances will run essentially nil until late next weekend as a series of fronts move on by. These fronts should keep an area of low pressure in the Gulf of Mexico well to our south. While it may sling some moisture our way, any outsized impacts are not expected, and we actually have another round of slightly cooler and quieter weather expected by the middle of next week.

Tuesday: Mostly cloudy but still warm

/ September 30, 2024 at 10:05 PM

We’ll get October off to a warm but somewhat cloudy start before a cold front starts to regulate temperatures a bit more beginning Wednesday. We start the day rather mild for this time of year once again, with low 70s generally across the metro (and warmer toward the coast). Cloud cover does persist, but despite that, we’ll still warm into the upper 80s. Rain is not expected.

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The week ahead: Warm start, but a cooling trend ensues

/ September 29, 2024 at 11:04 PM

There’s not too terribly much to write home about in this week’s forecast so far, which is a fine departure from this point last week when we were looking at the genesis of what would become Hurricane Helene. We close September on a warm note, but a cooling trend begins to kick in by mid-week, with a few showers and thunderstorms — and much cooler conditions — possible by the weekend.

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Weekend forecast: Warm, muggy, but sunny post-Helene

/ September 27, 2024 at 10:36 PM

Quieter weather is in store for this weekend (though one could argue the bar is very low for that) in the wake of Helene. It’ll stay warm and muggy, though, as we head down the home stretch of September.

Saturday starts in the upper 60s to around 70°, warming to the mid-80s in the afternoon as a brief shot of cooler and drier air gets us off to a relatively cooler start. It’ll still feel closer to 90°, though, when factoring in dewpoints around 70-71°. The airmass modifies quickly, though, and by Sunday, we’ve got a late summer-ish day with lows in the low 70s warming to the upper 80s that’ll feel more like the mid-90s in the afternoon.

We have a few more days of the muggy airmass before another front sweeps through for the middle of next week, cooling us off pretty nicely as we head through the first week of October.

Rest of today: Clouds and winds diminishing

/ at 12:22 PM

Improving weather is expected this afternoon into this evening as Helene continues to pull away from the area. Winds remain rather gusty — as of noon, a 48 MPH wind gust was reported at the airport — but will diminish as the afternoon wears on. It’ll stay warm and humid, with highs topping out in the low 80s as sun begins to peek through the cloud canopy. We’ll cool to around 70° overnight on our way back to the mid-to-upper 80s on Saturday.

Some housekeeping: The Flash Flood Warning that was in effect for the Charleston metro area, including downtown, has expired. The Tropical Storm Warning remains, but I expect that to be dropped by the 5PM advisory. And yes, the tornado threat has ended.

More on the weekend with this evening’s forecast post as the routine gets back to regular order. Thank you all again for your trust — it’s an honor to help guide y’all through these haranguing meteorological situations!