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TheForecast Post

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

Weather Trader Tropics MILEPOST 96

Hurricane Lee Evening Update September 11, 2023

Landfall on Sunday likely in Nova Scotia

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.

Hurricane Lee 5 pm ET Update from NHC set intensity of Lee at 100-knots (Category 3) based upon aircraft recon observations with central pressure at 948 mb. So the central pressure hasn’t budged all day even though the eye has been obscured or in a double eyewall configuration.

Maximum intensity is no longer expected to increase much beyond where it is at now, maybe 105-knots. The inability of Lee to regain its former glory is a mystery but beneficial in the long run. A weaker hurricane is easier to disrupt as it heads north over the cooler waters of the Atlantic off the U.S. East coast.

For subscribers

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Milepost
96 · laid 2023-09-11T22:13:58.419000Z
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https://weather.substack.com/p/hurricane-lee-evening-update-september
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