CEDAR email: PSW.3 Session on ionospheric irregularities at COSPAR 2026

[Tim Fuller-Rowell - NOAA Affiliate]

Dear Colleagues,



We would like to encourage you to submit an abstract to the Space Weather
Panel session PSW.3 Session at the COSPAR-26 Scientific Assembly. The
session targets improving ionospheric indices and scales to support
communication and navigation users impacted by ionospheric irregularities
and structure.


The conference will take place in Florence, Italy, from 1–9 August 2026.
Abstract submission deadline is 13 February 2026 (https://www.cospar
-assembly.org/assembly.php).



*PSW.3 description*

*Forecasting ionospheric perturbations described by indices at low, mid,
and high latitudes*



Ionospheric perturbations and irregularities covering a wide range of
spatial and temporal scales play an important role in the operation of
space-based radio systems such as Global Navigation Satellite Systems
(GNSS) or remote sensing radars. Customers of these systems are interested
and dependent on the accuracy of forecasts of the occurrence of ionospheric
perturbations. In particular, they require estimation of the type
(temporal, spatial scale), the strength and temporal development of the
perturbation. These perturbations and irregularities can arise from forcing
from the low atmosphere or from the influence of solar wind and
interplanetary magnetic field interaction with the plasma environment of
the earth. Coordinated studies as already initiated by the ISWAT G2B-04
group, are providing new insights in the generation and propagation of
ionospheric perturbations impacting these trans-ionospheric radio wave
customers. Of particular interest and focus for the session is to explore
our capability to forecast ionospheric indices, the design of a new
trans-ionospheric radio wave scale that has been broadly discussed in
former PSW.3 sessions, and eventually to forecast the magnitude of a new
space weather scale. The session will also take advantage of recent
achievements of other ISWAT ionospheric teams.



Please, feel free to forward this invitation to colleagues who may also be
interested.

Looking forward to your contributions and to meet you in Firenze.



With best regards,

Norbert Jakowski, Tim Fuller-Rowel, Rob Steenburgh, Stephan Buchert

Organizing Committee
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