Product: Weekly Highlights and Forecasts
:Issued: 2011 Jun 28 1707 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 20 - 26 June 2011
Solar activity was very low to low. Region 1236 (N17, L=167, class/area Ehi/350 on 15 June) produced a long-duration C7/Sf at 21/0325 UTC associated with an Earth-directed full-halo coronal mass ejection (CME). Activity was at very low levels during 22 - 26 June with occasional B-class flares from Region 1236 as it gradually decayed.
No proton events were observed at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit was at normal to moderate levels during 20 - 22 June. Fluxes increased to normal to high levels during 23 - 24 June. A further increase to moderate to high levels occurred on 25 - 26 June.
Geomagnetic activity was at quiet to unsettled levels during 20 - 21 June. Activity increased to quiet to active levels during 22 - 23 June, with minor to major storm periods at high latitudes, due to a coronal hole high-speed stream (CH HSS). A CME passage (from the halo-CME observed on 21 June) also occurred early on 23 June with a sudden geomagnetic impulse observed at Boulder at 23/0258 UTC (22 nT). Activity decreased to quiet to unsettled levels during 24 - 26 June as CH HSS effects subsided.
Forecast of Solar and Geomagnetic Activity 29 June - 25 July 2011
Solar activity is expected to be at very low levels until 03 July with the return of old Region 1234 (S16, L=246). Activity is then expected to be low followed by a further increase to low with a
chance for isolated M-class activity as old Region 1236 rotates back on the visible disk.
No proton events are expected at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit is expected to be at moderate to high levels during 29 June - 01 July. A decrease to normal to moderate levels is expected during 02 - 05
July followed by an increase to moderate to high levels during 06 - 07 July due to a CH HSS. Fluxes are expected to decrease to normal to moderate levels during 08 - 19 July. Fluxes are expected to
increase to moderate to high levels during 20 - 23 July following the CH HSS.
Geomagnetic field activity is expected to be at quiet to unsettled levels during 29 - 30 June. A CH HSS is expected to boost activity to quiet to active levels during 01 - 03 July. Mostly quiet levels
are forecast for 03 - 07 July as the CH HSS subsides. An increase to quiet to unsettled levels is expected during 08 - 09 July as another CH HSS disturbs the field. Quiet levels are expected from 10 - 16 July. Another recurrent CH HSS is expected to become geoeffective on 17 July bringing quiet to unsettled conditions. A further increase to active levels with a chance for isolated minor storm periods at high latitudes is expected during 19 - 21 July followed by quiet to unsettled levels on 22 July as the effects from the CH HSS subside. Quiet levels are expected from 23 - 25 July.
Product: 27-day Space Weather Outlook Table 27DO.txt
:Issued: 2011 Jun 28 1707 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC web contact ww.swpc.noaa.gov/wwire.html
#
# 27-day Space Weather Outlook Table
# Issued 2011-06-28
#
# UTC Radio Flux Planetary Largest
# Date 10.7 cm A Index Kp Index
2011 Jun 29 90 5 2
2011 Jun 30 92 5 2
2011 Jul 01 92 8 3
2011 Jul 02 94 10 3
2011 Jul 03 96 12 3
2011 Jul 04 98 8 3
2011 Jul 05 98 5 2
2011 Jul 06 95 5 2
2011 Jul 07 90 5 2
2011 Jul 08 88 7 2
2011 Jul 09 88 7 2
2011 Jul 10 92 5 2
2011 Jul 11 95 5 2
2011 Jul 12 100 5 2
2011 Jul 13 100 5 2
2011 Jul 14 100 5 2
2011 Jul 15 100 5 2
2011 Jul 16 98 5 2
2011 Jul 17 95 7 2
2011 Jul 18 95 8 3
2011 Jul 19 95 12 3
2011 Jul 20 95 15 3
2011 Jul 21 95 10 3
2011 Jul 22 92 7 2
2011 Jul 23 90 5 2
2011 Jul 24 90 5 2
2011 Jul 25 90 5 2
(NOAA)
:Issued: 2011 Jun 28 1707 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 20 - 26 June 2011
Solar activity was very low to low. Region 1236 (N17, L=167, class/area Ehi/350 on 15 June) produced a long-duration C7/Sf at 21/0325 UTC associated with an Earth-directed full-halo coronal mass ejection (CME). Activity was at very low levels during 22 - 26 June with occasional B-class flares from Region 1236 as it gradually decayed.
No proton events were observed at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit was at normal to moderate levels during 20 - 22 June. Fluxes increased to normal to high levels during 23 - 24 June. A further increase to moderate to high levels occurred on 25 - 26 June.
Geomagnetic activity was at quiet to unsettled levels during 20 - 21 June. Activity increased to quiet to active levels during 22 - 23 June, with minor to major storm periods at high latitudes, due to a coronal hole high-speed stream (CH HSS). A CME passage (from the halo-CME observed on 21 June) also occurred early on 23 June with a sudden geomagnetic impulse observed at Boulder at 23/0258 UTC (22 nT). Activity decreased to quiet to unsettled levels during 24 - 26 June as CH HSS effects subsided.
Forecast of Solar and Geomagnetic Activity 29 June - 25 July 2011
Solar activity is expected to be at very low levels until 03 July with the return of old Region 1234 (S16, L=246). Activity is then expected to be low followed by a further increase to low with a
chance for isolated M-class activity as old Region 1236 rotates back on the visible disk.
No proton events are expected at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit is expected to be at moderate to high levels during 29 June - 01 July. A decrease to normal to moderate levels is expected during 02 - 05
July followed by an increase to moderate to high levels during 06 - 07 July due to a CH HSS. Fluxes are expected to decrease to normal to moderate levels during 08 - 19 July. Fluxes are expected to
increase to moderate to high levels during 20 - 23 July following the CH HSS.
Geomagnetic field activity is expected to be at quiet to unsettled levels during 29 - 30 June. A CH HSS is expected to boost activity to quiet to active levels during 01 - 03 July. Mostly quiet levels
are forecast for 03 - 07 July as the CH HSS subsides. An increase to quiet to unsettled levels is expected during 08 - 09 July as another CH HSS disturbs the field. Quiet levels are expected from 10 - 16 July. Another recurrent CH HSS is expected to become geoeffective on 17 July bringing quiet to unsettled conditions. A further increase to active levels with a chance for isolated minor storm periods at high latitudes is expected during 19 - 21 July followed by quiet to unsettled levels on 22 July as the effects from the CH HSS subside. Quiet levels are expected from 23 - 25 July.
Product: 27-day Space Weather Outlook Table 27DO.txt
:Issued: 2011 Jun 28 1707 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC web contact ww.swpc.noaa.gov/wwire.html
#
# 27-day Space Weather Outlook Table
# Issued 2011-06-28
#
# UTC Radio Flux Planetary Largest
# Date 10.7 cm A Index Kp Index
2011 Jun 29 90 5 2
2011 Jun 30 92 5 2
2011 Jul 01 92 8 3
2011 Jul 02 94 10 3
2011 Jul 03 96 12 3
2011 Jul 04 98 8 3
2011 Jul 05 98 5 2
2011 Jul 06 95 5 2
2011 Jul 07 90 5 2
2011 Jul 08 88 7 2
2011 Jul 09 88 7 2
2011 Jul 10 92 5 2
2011 Jul 11 95 5 2
2011 Jul 12 100 5 2
2011 Jul 13 100 5 2
2011 Jul 14 100 5 2
2011 Jul 15 100 5 2
2011 Jul 16 98 5 2
2011 Jul 17 95 7 2
2011 Jul 18 95 8 3
2011 Jul 19 95 12 3
2011 Jul 20 95 15 3
2011 Jul 21 95 10 3
2011 Jul 22 92 7 2
2011 Jul 23 90 5 2
2011 Jul 24 90 5 2
2011 Jul 25 90 5 2
(NOAA)