WORKSHOPS ON SUN-EARTH CONNECTION

SPACE WEATHER DURING APRIL 14-24 2002 STORMS

FIRST WORKSHOP: DATA EXCHANGE

PRELIMINARY ANNOUNCEMENT

PURPOSE OF THE WORKSHOP: To enable joint analysis by the aeronomy, ionospheric, magnetospheric, heliospheric and solar communities of an exciting series of solar particle events and magnetic storms that occurred during 14-24 April 2002. Satellites viewed the explosive solar events, the propagation of the resulting solar wind disturbances, the dynamical response of the magnetosphere, the electrodynamic and energy links to the ionosphere/atmosphere system and the ultimate impacts on the energetics, dynamics and chemistry of the mesosphere, lower thermosphere, and ionosphere (MLTI). A coordinated ground-based observing campaign was carried out over the 17-18 April 2002 interval significantly increasing our knowledge of the magnetospheric energy inputs. Current NASA Space Sciences missions now provide observations throughout the Sun-Earth Connection chain. This series of storm events is the first in which we can trace a storm from its origins on the sun all the way to the effects on the MLTI region. The dramatic responses of the upper atmosphere provide motivation for a closer look at processes throughout the Sun-Earth chain that ultimately contribute to this deep penetration of magnetic storm and solar particle effects into the upper atmosphere.

DATA SETS: A wide-variety of satellites and groundbased instruments observed different aspects of this event. Interested participants, including theoretical modelers, should bring their data and their ideas for analyzing or modeling the event to the workshop, and should contact the workshop conveners prior to the meeting for allocation of time on the agenda.

FIRST WORKSHOP GOALS: The goals of this first workshop are

(1) to make an assessment of the types of data collected by the various space and ground instruments,

(2) to identify key science issues that are raised by the observations, and

(3) to develop plans for future workshops and the joint analysis of the data by the community and for the study of this event through global models.

(4) to establish the basis for a special joint SH/SM/SA session for the Fall 2002 AGU meeting, leading ultimately to a set of papers collected into a special section of one of the journals.

WORKSHOP DATES: AUG. 7-8, 2002

WORKSHOP PLACE: THE JOHNS HOPKINS UNIVERSITY, APPLIED PHYSICS LABORATORY, LAUREL, MARYLAND

WORKSHOP SPONSORS: NASA/HQ, NASA/GSFC, JHU/APL

CONTACTS: Sam Yee (sam.yee@jhuapl.edu, 240-228-6206),

Elsayed Talaat (elsayed.talaat@jhuapl.edu, 240-228-3971)