Nature’s forecast
You have no doubt already noticed signs in nature that seem to herald the coming weather. Here are a few signs that generally announce bad weather to come: A halo around the sun As a warm front approaches, cirrostratus clouds thicken and cover the entire sky. These very high clouds are thin enough to let the light through, making the sky look white instead of blue. As the sun’s rays pass through the clouds, they are refracted (reflected at a specific angle) by ice crystals, creating a halo effect around the sun.
