Forecasts made one to a few weeks in advance, known as “subseasonal to seasonal” predictions, show more skill in predicting extreme summer heat waves over Europe than spells of normal or cold weather.
seasonal variability
New England Winters Are “Losing the Cold”
As extreme cold days wane, the northeastern United States has experienced an increase in mud days.
Yet Again, Warmer Winter Looms for U.S.
NOAA’s winter forecasts are less confident than usual except in Alaska and Hawaii. Expect to see a lot of weather variability in the coming months.
No One-Size-Fits-All Way to Combat Urban Heat Island Effect
Tropical and dry cities respond differently to heat mitigation strategies. This difference should be considered when trying to protect residents from increasingly dangerous summer temperatures.
Hydrological Footprint of Atmospheric Rivers on Land
Atmospheric rivers that make landfall in the western United States have significant impacts on the surface water balance, sharpening the seasonality of water resources in coastal watersheds.
Antarctic Seasonal Sea Ice Melts Faster Than It Grows
Winds are thought to play a significant role in driving the asymmetric seasonal cycle of Antarctic sea ice growth and melt.
Light Permeates Seasonally Through Arctic Sea Ice
The transmission of sunlight through Arctic sea ice depends on the presence of ice, snow, and melt ponds, data collected over 6 years reveal.
Artificial Intelligence Can Spot Plankton from Space
Training an algorithm with satellite images of ocean color reveals the blooms and busts of phytoplankton communities.
July May Turn Out to Be the Hottest Month in Recorded History
If this year’s record-breaking trend continues, we’re on track for 2015–2019 to be the hottest 5 years on record.
Congo Rain Forest Endures a Longer Dry Season
The forest’s dry season has been starting earlier and ending later for decades, making parts of it vulnerable to incursions by drought-resistant ecosystems.