CEDAR email: Pre-announcement for a NOAA Solar Wind and L1 Requirements Workshop April 6-7

Doug Biesecker doug.biesecker at noaa.gov
Tue Jan 21 16:52:54 MST 2014

*Pre-announcement for a NOAA Solar Wind and L1 Requirements Workshop April

 *Determining the observing requirements for the DSCOVR follow-on*

NOAA is planning to host a workshop in Boulder, CO to help define the
observation requirements for the next operational solar wind monitor after
NOAA/DSCOVR.  With the NOAA/DSCOVR satellite launch less than a year away,
it is time to plan for what comes next and NOAA has already begun this

Calling instrument builders, scientists, modelers, commercial service
providers and anyone with an interest in solar wind data or the impacts of
space weather related to solar wind observations.  Geomagnetic storms,
ionospheric storms and solar radiation storms all have some dependence on
inputs that can be observed from the L1 Lagrange point.    In order to
ensure that NOAA is considering all possibilities as it plans the DSCOVR
follow-on, we invite the community to a workshop on observations and
requirements that should be made from an orbit near the L1 Lagrange point.
The purpose of an L1 (or sub-L1) mission is to make the observations
required to provide the best possible forecasts of space weather
conditions.  The primary focus is on observations that are required to be
made in-situ, though remote-sensing observations will be considered as
appropriate.   Geomagnetic/ionospheric storm forecasting will be
prioritized, though forecasting of other space weather conditions will be
considered.  The current NOAA requirements being considered are given
below.  Validation of, or changes to, the existing requirements and the
inclusion of additional observations and requirements will be the focus of
the workshop.  Determining the observations and priorities, and their
associated requirements is the goal of the workshop.

The purpose of this pre-announcement is to gauge the community interest in
a requirements workshop for the solar wind/L1.  The tentative plan is to
hold this workshop in Boulder, CO immediately prior to the 2014 Space
Weather Workshop, April 6 and/or April 7.

If you are interested in attending this meeting, send an e-mail to Doug
Biesecker (doug.biesecker at noaa.gov) with your availability and desire to
attend and what your particular interest would be.  Please redistribute
this announcement within your institute as appropriate.

*Strawman payload observables*

Solar Wind Vector Magnetic Field – 0-±100nT every minute, accuracy of +/-

Solar Wind Thermal Plasma – Velocity (200-2000 km/s), accuracy of 5%;
Density (1-100 cm^-3), accuracy of 20%; Temperature (0.04-2 MK), accuracy
of 20%, every minute

Solar Wind Low Energy Ions – 50 keV-1 MeV with at least 4 differential flux
channels every 5 minutes, accuracy of 20%

White Light CME imaging – FOV ~4-17 Rsun every 15 minutes

Douglas Biesecker
(303) 497-4474
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