Category Archives: Phenomena
There are two types of waterspouts: fair weather waterspouts and tornadic waterspouts.
A fair weather waterspout is a whirlwind that forms beneath a cumulus cloud and over water. It’s generally not associated with thunderstorms.
A fair weather waterspout develops on the surface of the water and moves upward. Before you see the waterspout, you may see a funnel cloud hanging from the bottom of the cumulus cloud. A waterspout forms as the rotating funnel draws up water. Continue reading
Astronomical fall began on Sept. 22.
Climatologists consider fall as the months of September, October and November. The fall season is also associated with pumpkin patches, fresh apples and beautiful foliage. Continue reading
The ozone hole refers to the appearance of very low values of ozone in the stratosphere.
The winter atmosphere above Antarctica is very cold. It occurs typically high over the continent of Antarctica, during the Southern Hemisphere’s spring. The cold temperatures result in a temperature gradient between the South Pole and the Southern Hemisphere middle latitudes, which results in strong westerly stratospheric winds that encircle the South Pole region. Continue reading
Mud rain is rain that contains a noticeable concentration of particles of sand or dust. The soil can be of local origin or it can originate from very distant regions. As rain falls through the dust layer, the raindrops collect … Continue reading
The World Meteorological Organization, or WMO, investigates and certifies meteorological records.
On Friday, a WMO committee of experts confirmed a new world record for the longest single lightning flash. The single flash occurred on Oct. 31, 2018 and covered a horizontal distance of 440.6 miles, plus or minus 5 miles, across parts of southern Brazil. Continue reading