Category: Weather

Foggy Peruvian Valleys

Marine stratocumulus clouds that frequently develop off the coast of Peru occassionally move inland, filling the valleys with a thick fog.

Arctic heatwave could break records

Temperatures at the North Pole could be up to 20 degrees higher than average.

How likely is a white Christmas?

This map at shows the historic probability of there being at least 1 inch of snow on the ground in the Lower 48 states on December 25. Dark gray shows places where the probability is less than 10%, while white shows probabilities greater than 90%. Image via NOAA

Cloud formation: How feldspar acts as ice nucleus

In the atmosphere, feldspar particles act as ice nuclei that make ice crystals grow in clouds and enable precipitation.

Millions prepare for potentially ‘paralyzing’ east coast winter storm

Originally Published by Environment | The GuardianWashington DC is at the center of the blizzard’s aim, where forecasters have warned residents to brace for more than 30in snow and wind gusts up to 50mph. Topic: Weather

Record US temperatures are work of El Niño and polar vortex, experts say

Originally Published by Environment | The GuardianTwo weather systems keep 2015 on track to be hottest year ever, with current El Niño phenomenon likely to be one of three strongest in half century   Topic: Weather

Convection Cycles, Atmosphere, and Ocean Work Symbiotically

Scientists review studies of the tropical Madden-Julian Oscillation to better frame its role in air-sea interactions. Topic: Weather

Thousand-year deluge in South Carolina

Originally Published by Climate.govWhat does it take for a weather event to eclipse in attention the development of a Category 4 hurricane just offshore of the southeast U.S. coastline? Topic: Weather

Ocean warming leads to stronger precipitation extremes

Originally Published by EurekAlert! – Earth ScienceDue to climate change, not only atmospheric, but also oceanic, temperatures are rising. Topic: Climate

In the Journals: Forecasting

Earthzine examined the ramifications of inaccurate forecasts in its most-recent mini theme. Here are other examples of crystal balls being more cloudy than clear.