February 12, 2025 Wednesday Winter Weather
Extreme cold from Polar Vortex events next week
February 2025 was the 56th-warmest February in the 132-year national record (1895–2026), at 34.7°F against a 1991–2020 normal of 35.6°F (-0.9°F).
February 2025 was the 56th-wettest February in the 132-year national record (1895–2026), at 2.2in against a 1991–2020 normal of 2.1in (+0.0in).
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.
Noticing the days getting longer with daylight after 6 pm ET, which is one sign that Spring is around the corner — a very long corner. The Polar Vortex has loaded up across Ontario, Canada — and is ready to dump a load of cold continental polar air onto the Midwest and Great Lakes. Unfortunately, signs that the Arctic blast might be even more severe than anticipated as “worst case” just a few days ago.
Next 5 days: the little white fuzzball (very cold vortex) on the tropopause swirls around Hudson Bay and then dips into the Great Lakes, elongates, and then gets ready to swing through like a pendulum after Day 5.
The rest of this piece is for paid subscribers of Weather Trader. The Post keeps the archive, the index and the record; the writing itself stays behind the same subscription it was published under.
Read the full piece →- Milepost
- 520 · laid 2025-02-12T23:14:42.821000Z
- Source
- https://weather.substack.com/p/february-12-2025-wednesday-winter
- Digest
- 388e51ebabfa598a0e782f7d5e0673cc8f728d980921b97b2c7d0570ee89d3c3
- Machine
- JSON