Product: Weekly Highlights and Forecasts:Issued: 2008 Oct 09 1511 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC contact:
# www.swpc.noaa.gov/weekly.html
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# Weekly Highlights and Forecasts
#
Highlights of Solar and Geomagnetic Activity
29 September - 05 October 2008
Solar activity was very low. No flares were detected. The visible solar disk remained spotless through most of the period, however, Region 1003 (S23, L=222, class/area Axx/010 on 04 Oct) was numbered on 04 October. This region quickly decayed to spotless plage on 05
October.
No proton events were observed at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit was at high levels 03 - 05 October.
The geomagnetic field was at quiet levels 29 September through the end of the day on 30 September with solar wind speed values measured at the ACE spacecraft around 350 km/s. Activity levels increased to quiet to unsettled conditions through 01 October. This increase was due to a Co-rotating Interaction Region (CIR) with solar wind velocities near 500 km/s and the Interplanetary Magnetic Field (IMF) Bz component ranging between +/- 7 nT. Geomagnetic field activity increased to quiet to active conditions on 02 October as a coronal hole high speed stream rotated into a geoeffective position. Quiet to active conditions were observed through early 04 October when the geomagnetic activity increased to unsettled to minor storm levels.
Solar wind speed values during this period also increased to around 750 km/s with the IMF Bz ranging between +/- 8 nT. Soon after the peak of the geomagnetic activity, levels slowly declined to quiet to unsettled for the remainder of 04 October, then mostly quiet conditions on 05 October. Wind velocities also began gradually decreasing, and ended the period below 500 km/s.
Forecast of Solar and Geomagnetic Activity
08 October - 03 November 2008
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 reach high levels during 08 - 11 October, 13 - 15 October, and 30 October - 03 November.
The geomagnetic field is expected to be at quiet levels on 08 - 10 October. A coronal hole high speed stream is expected to become geoeffective on 11 - 13 October increasing activity to quiet to unsettled levels with active conditions possible on 12 October. For 14 - 27 October activity levels are expected to decrease to quiet conditions. Another coronal hole high speed stream is expected to become geoeffective on 28 - 31 October increasing activity to quiet to unsettled levels with active conditions expected on 28 - 29 October. Quiet conditions are expected 01 - 03 November as the coronal hole rotates out of a geoeffective position.
Product: 27-day Space Weather Outlook Table 27DO.txt:Issued: 2008 Oct 09 1512 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC contact:
# www.swpc.noaa.gov/wwire.html
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# 27-day Space Weather Outlook Table
# Issued 2008 Oct 07
#
# UTC Radio Flux Planetary Largest
# Date 10.7 cm A Index Kp Index
2008 Oct 08 67 5 2
2008 Oct 09 67 5 2
2008 Oct 10 67 5 2
2008 Oct 11 67 10 3
2008 Oct 12 67 15 4
2008 Oct 13 67 10 3
2008 Oct 14 67 5 2
2008 Oct 15 67 7 2
2008 Oct 16 67 5 2
2008 Oct 17 67 5 2
2008 Oct 18 67 5 2
2008 Oct 19 67 5 2
2008 Oct 20 67 5 2
2008 Oct 21 67 5 2
2008 Oct 22 67 5 2
2008 Oct 23 67 5 2
2008 Oct 24 67 5 2
2008 Oct 25 67 5 2
2008 Oct 26 67 5 2
2008 Oct 27 67 5 2
2008 Oct 28 67 15 4
2008 Oct 29 67 12 4
2008 Oct 30 67 10 3
2008 Oct 31 67 10 3
2008 Nov 01 67 5 2
2008 Nov 02 67 5 2
2008 Nov 03 67 5 2
(NOAA)