Space Weather

Federico Gasperini

Federico Gasperini is a Advanced Study Postdoc (ASP) in the High Altitude Observatory at NCAR.

HiWind has launched and landed!!

HiWIND team, Kiruna, Sweden

Finally, after repeated postponements due to unfavorable weather conditions, HiWind launched from Esrange Space Center, Kiruna, Sweden, on Sunday, 24 June. The HiWIND team arrived early May 2018.

Delores Knipp

Delores Knipp is a Senior Research Associate at the High Altitude Observatory of the National Center for Atmospheric Research.

GOLD Mission Launched into Orbit

SES-14 communications satellite

The NASA Global-scale Observations of the Limb and Disk (GOLD) mission was launched into orbit on January 25, 2018 as a commercially hosted payload on the SES-14 communications satellite. There were anxious moments following lift-off when mission control lost contact with the satellite.

Origins of the Ambient Solar Wind: Implication for Space Weather

Carrington rotation stack plots
Thursday, September 7, 2017

The Sun’s outer atmosphere is heated to temperatures of millions of degrees, and solar plasma flows out into interplanetary space at supersonic speeds. This paper reviews our current understanding of these interrelated problems: coronal heating and the acceleration of the ambient solar wind.

A Study of Large Wind Shears Near the Mesopause and the Tropopause

Vertical profiles of maximum wind shear
Thursday, April 13, 2017

The NCAR Whole Atmosphere Community Climate Model (WACCM), with a quasi-uniform horizontal resolution of $\sim$25km and a vertical resolution of 0.1 scale height, produces large horizontal winds and vertical shears maximizing in the mesosphere and lower thermosphere (MLT), similar to those found

Solar Energetic Particle Alerts from a Coronagraph

Space Weather Jan 2017 journal cover
Thursday, February 16, 2017

In this NASA-led study, we report the concept of using near-real time observations from a coronagraph to provide early warning of a fast coronal mass ejection (CME) and the possible onset of a solar energetic particle (SEP) event.

Keeping an Eye on Space Weather

Delores Knipp and Geomagnetic Storms

In The Conversation newsletter, scientists Delores Knipp and Brett Carter explore the significance of severe geomagnetic storm events and their impact on communications technology through descriptive historical accounts.

Effects of Magnetospheric Lobe Cell Convection on Dayside Upper Thermospheric Winds at High Latitudes

Average ionospheric potential and DMSP F-16 ion drift observations
Tuesday, October 4, 2016

This paper investigates a possible physical mechanism of the observed dayside high-latitude upper thermospheric wind using numerical simulations from the coupled magnetosphere-ionosphere-thermosphere (CMIT) model.

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