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TheForecast Post

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

Weather Trader Tropics MILEPOST 1017

August 24, 2026 Monday Midday Tropics

Strong tropical wave emerged off African coast and looks healthy. However, tough sledding ahead into marginally favorable Atlantic tropical basin.

What the month did

August 2026 was the warmest August in the 132-year national record (1895–2026), at 75.6°F against a 1991–2020 normal of 73.1°F (+2.5°F).

August 2026 was the 22nd-driest August in the 132-year national record (1895–2026), at 2.3in against a 1991–2020 normal of 2.7in (-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.

The long-awaited emergence of the strong tropical wave (soon to be Invest 96L) into the Atlantic Ocean, which is plenty warm for storm or hurricane development. However, as we have observed over the past several weeks, tropical waves look healthy and ambitious/eager to “catch fire” but then “blow a tire” or poof out after encounter very dry (Saharan) air layers, dust, and vertical wind shear.

So far so good for this rather large circulation. In any other non-El Niño summer, we’d probably be seeing a hurricane in the next few days. But, this does not look likely as the tropical wave will probably struggle until it escapes the Main Development Region in 5-6 days.

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Milepost
1017 · laid 2026-08-24T16:15:12.133000Z
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https://weather.substack.com/p/august-24-2026-monday-midday-tropics
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