Tornadoes need particularly intense or unseasonable heat to develop.

An unseasonable shift in weather is bringing the chance of showers and thunderstorms across Southern California, prompting some concerns about flooding as temperatures also drop well below average for mid-September.

The north and west will bear the brunt of the unseasonable weather.

Then the unseasonable summer rains came, pounding Paris and undoing much of that work.

So far, the rainfall for 2024’s water year is less than 10 inches — including the unseasonable rain falling April 14 — and more rain this season is not expected.