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TheForecast Post

A chronicle of American weather and climate  ·  Wednesday, 16 September 2026

Weather Trader Tropics MILEPOST 104

September 21, 2023 Hurricane Season

Ophelia on the way to North Carolina

What the month did

September 2023 was the 9th-warmest September in the 131-year national record (1895–2025), at 67.7°F against a 1991–2020 normal of 66.0°F (+1.8°F).

September 2023 was the 27th-driest September in the 131-year national record (1895–2025), at 2.1in against a 1991–2020 normal of 2.6in (-0.4in).

NOAA/NCEI Climate at a Glance, contiguous United States. This is the observed record for the month, not a score of anything said in this piece — the forecast ledger begins 2026-08-17 and cannot reach earlier posts.

NHC issued Potential Tropical Cyclone (16L) advisories earlier on Thursday with transition to fully tropical by early Saturday. Tropical Storm Ophelia may only be designated for 12-18 hours yet has the chance to reach 50-60 knots with higher gusts along the coast. There is an outside chance (1 in 4) of Ophelia becoming a hurricane.

The storm will wrap up tightly by Friday evening and should look impressive on satellite. There will be a heavy rain band with strong easterly winds from North Carolina up to New Jersey. This will be a significant rainfall and coastal erosion event.

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Milepost
104 · laid 2023-09-22T00:39:21.900000Z
Source
https://weather.substack.com/p/september-21-2023-hurricane-season
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