Product: Weekly Highlights and Forecasts:Issued: 2009 Mar 31 2151 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC web contact: www.swpc.noaa.gov/weekly.html
#
# Weekly Highlights and Forecasts
#
Highlights of Solar and Geomagnetic Activity
23 - 29 March 2009
Solar activity was very low. Isolated low-level B-class flares were detected early on 26 March. The visible disk was spotless.
No proton events were observed at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit was at normal levels throughout the period.
Geomagnetic field activity was at quiet levels at all latitudes on 23 March. Field activity increased to quiet to unsettled levels on 24 March with minor storm periods detected at high latitudes. Activity increased to quiet to active levels on 25 March. Activity decreased to quiet to unsettled levels during 26 - 27 March. A further decrease to quiet levels at all latitudes occurred during 28 - 29 March. ACE solar wind observations indicated the 24 - 25 March activity increase was associated with periods of enhanced solar wind velocities (peak 526 km/sec at 24/2352 UTC), weakly enhanced interplanetary magnetic field (IMF) Bt (peak 8 nT at 23/1958 UTC),
and intermittent southward IMF Bz (minimum -6 nT at 24/1225 UTC).
Forecast of Solar and Geomagnetic Activity
01 - 27 April 2009
Solar activity is expected to be very low.
No proton events are expected at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit is expected to increase to high levels during 10-14 April. Normal flux levels are expected during the rest of the period.
Geomagnetic field activity is expected to be at mostly quiet levels through 08 April. Activity is expected to increase to unsettled to active levels during 09 - 10 April due to a recurrent coronal hole high-speed stream. Activity is expected to decrease to quiet levels during 11 - 19 April. Activity is expected to increase to quiet to unsettled levels during 20 - 21 April. Activity is expected to decrease to quiet levels during 22 - 27 April.
Product: 27-day Space Weather Outlook Table 27DO.txt:Issued: 2009 Mar 31 2152 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC web contact:
# www.swpc.noaa.gov/wwire.html
#
# 27-day Space Weather Outlook Table
# Issued 2009 Mar 31
#
# UTC Radio Flux Planetary Largest
# Date 10.7 cm A Index Kp Index
2009 Apr 01 72 5 2
2009 Apr 02 72 5 2
2009 Apr 03 72 8 3
2009 Apr 04 72 5 2
2009 Apr 05 72 5 2
2009 Apr 06 72 5 2
2009 Apr 07 72 5 2
2009 Apr 08 72 5 2
2009 Apr 09 72 15 4
2009 Apr 10 70 10 3
2009 Apr 11 70 5 2
2009 Apr 12 70 5 2
2009 Apr 13 70 5 2
2009 Apr 14 70 5 2
2009 Apr 15 70 5 2
2009 Apr 16 70 5 2
2009 Apr 17 70 5 2
2009 Apr 18 70 5 2
2009 Apr 19 70 5 2
2009 Apr 20 70 5 2
2009 Apr 21 70 8 3
2009 Apr 22 70 8 3
2009 Apr 23 72 5 2
2009 Apr 24 72 5 2
2009 Apr 25 72 5 2
2009 Apr 26 72 5 2
2009 Apr 27 72 5 2
(NOAA)