Routine Space Environment Product (Daily)
Issued by NWS

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000
FXXX01 KWNP 232200
DAYDSF

:Product: Daily Space Weather Summary and Forcast daydsf.txt
:Issued: 2013 May 23 2200 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC contact on the Web
# http://www.swpc.noaa.gov/wwire.html
#
#            Daily Space Weather Summary and Forecast.
#
:Solar_Analysis:
Analysis of Solar Active Regions and Activity from 22/2100Z to
23/2100Z: Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C3 event observed at
23/1450Z from Region 1756 (S20E27). There are currently 7 numbered
sunspot regions on the disk.
#
:Solar_Forecast:
Solar Activity Forecast: Solar activity is expected to be low with
a chance for M-class flares and a slight chance for an X-class flare on
days one, two, and three (24 May, 25 May, 26 May).

#
:Geophysical_Activity:
Geophysical Activity Summary 22/2100Z to 23/2100Z: The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed, as measured by the ACE spacecraft, reached a peak speed of
475 km/s at 23/1933Z, however ACE/SWEPAM data became suspect due to
proton contamination from the 22 May M5 flare. Total IMF reached 8 nT at
23/1656Z. The maximum southward component of Bz reached -4 nT at
23/0949Z. Protons greater than 10 MeV at geosynchronous orbit reached a
peak level of 1660 pfu at 23/0650Z. Protons greater than 100 MeV at
geosynchronous orbit reached a peak level of 2 pfu at 22/2105Z and the
event ended at 23/0745Z. Electrons greater than 2 MeV at geosynchronous
orbit were also suspect due to proton contamination.
#
:Geophysical_Forecast:
Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet to minor storm levels on day one (24 May), quiet to
active levels on day two (25 May) and quiet to unsettled levels on day
three (26 May). Protons are expected to remain above threshold on day
one (24 May), are likely to cross threshold on day two (25 May) and have
a chance of crossing threshold on day three (26 May).
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