Close-up of dark ocean swells at dusk

Super El Niño, Early Polar Vortex & Cascades Snow 2026

1. Super El Niño

Strong Pacific Warming

Warm equatorial Pacific water fuels an active winter jet stream.
2. Polar Vortex

Early Mid-Nov Wind Shift

Some model runs hint at an early mid-Nov vortex slowdown at 10 hPa.
3. Jet Stream Clash

Cold Air Meets Moisture

Weak vortex winds let Arctic air collide with Pacific storms.
4. Cascades Snow

Mountain Pass Advisories

Pacific troughs dump heavy early snow across WA and OR passes.
5. NWS Alert Tiers

Advisory vs. Warning

Advisories urge caution; Warnings mean heavy snow and risky travel.
6. California Floods

Storms + King Tides

El Niño storms can lift coastal water 1–2 ft above normal tide.
7. Global Heat

West Africa Heat Stress

While northern regions see storms, Ghana and the tropics bake.
8. Crop & Water Risk

Drought & Harvest Shifts

Livestock, cocoa, and grain belts face heat and dry spells.
9. Winter Readiness

Stockpile Key Supplies

Pack tire chains, backup power, and flood plans before storms.
Live ENSO Guide

Open Storm Risk Decoder

Tap below for our Polar Vortex, King Tide & Cascades Guide.