Abrupt temperature swings aren’t random—large-scale air mass shifts and seasonal processes drive day-to-day variability across major Northern Hemisphere regions.
Journal of Geophysical Research: Atmospheres
Posted inEditors' Highlights
Weather Radar Data Reveal the Dynamics of Rapidly Spreading Wildfires
New research demonstrates the use of operational weather radar measurements to track long-range ember fallout and rapid spread of intense wildfires.
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Harnessing Subseasonal-to-Seasonal Predictability from Annual Evolution
Capturing year-to-year variations of the stratospheric polar vortex’s annual evolution enables skillful prediction of subseasonal-to-seasonal (S2S) cold-season anomalies up to six months in advance.
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Marine Heatwaves Reshape Precipitation Patterns
Most marine heatwaves experience reduced precipitation throughout their lifetime, but warmer events in the early stage can trigger increased precipitation after reaching peak intensity, causing faster decay.
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Quantifying Predictability of the Middle Atmosphere
A new high-resolution global model is used to study predictability of atmospheric circulation from the surface to 120 kilometers.
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ARMing SCREAM with Observations to Expose Cloud Errors
Modern ARM observations expose persistent process-level errors in a global cloud-permitting model, guiding future developments and improvements.
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Bringing Storms into Focus
A new study evaluates the performance of kilometer-scale models in predicting large tropical storms, which are key drivers of extreme rainfall and severe weather.
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The All-In-One Cyclone Identification Framework
Researchers present a new framework for global detection and classification of all low-pressure systems.
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Rapid Thunderstorm Charging Produces Strong Gamma‐Ray Glows
A new study explains how thunderstorm electric fields produce strong gamma‐ray glows with oscillating gamma‐ray rates, and that these oscillations develop into intense pulse trains that closely resemble terrestrial gamma-ray flashes.
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Impacts of Urban Heat and Friction on a Tropical Cyclone
A new computer modeling-based study demonstrates dual mechanisms that reduce pre- and post-landfall tropical cyclone intensity.