Product: Weekly Highlights and Forecasts
:Issued: 2018 Jun 11 0344 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC web contact http://www.swpc.noaa.gov/weekly.html
#
# Weekly Highlights and Forecasts
#
Highlights of Solar and Geomagnetic Activity 04 - 10 June 2018
Solar activity was mostly at very low levels with an isolated C-class flare observed at 06/1100 UTC from Region 2712 (N15, L=176, class/area Csi/080 on 28 May) from just beyond the West limb. The
solar disk was spotless from 06-10 Jun. No Earth-directed coronal mass ejections (CMEs) were observed during the reporting period.
No proton events were observed at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit reached high levels throughout the period with a maximum flux of 19,491 pfu observed at 06/1705 UTC.
Geomagnetic field activity ranged from quiet to active levels over the period. Solar wind speed was in decline from a negative polarity coronal hole high speed stream (CH HSS) on 04-05 Jun with solar wind speeds declining from approximately 630 km/s to near 450 km/s while total field ranged from 2 nT to 9 nT. The geomagnetic field was at quiet levels on 04-05 Jun. By midday on 06 Jun, an enhancement in total field was observed reaching a maximum of 11 nT at 07/0635 UTC.
The Bz component reached a maximum of -8 nT at 06/1820 UTC. The geomagnetic field responded with quiet to active levels on 06 Jun and quiet to unsettled levels on 07 Jun. By 08 Jun and through the rest of the period, solar wind speeds were at nominal levels with solar wind speeds at 400 km/s or less and total field at 5 nT or less. Quiet conditions were observed on 08-10 Jun.
Forecast of Solar and Geomagnetic Activity 11 June - 07 July 2018
Solar activity is expected to be at very low levels with a slight chance for isolated C-class flares from 11 Jun-01 Jul with the return of old Regions 2711 (N06, L=288) and 2712 (N15, L=176) to the
visible disk.
No proton events are expected at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit is expected to reach high levels on 11 Jun and again from 28 Jun-07 Jul due to CH HSS influence.
Geomagnetic field activity is expected to be at unsettled levels on 12-14 Jun and 19 Jun due to weak CH HSS effects. Unsettled to active levels are expected on 27-30 Jun with G1 (Minor) geomagnetic storm levels likely on 28-29 Jun due to recurrent CH HSS effects.
Product: 27-day Space Weather Outlook Table 27DO.txt
:Issued: 2018 Jun 11 0344 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC web contact http://www.swpc.noaa.gov/wwire.html
#
# 27-day Space Weather Outlook Table
# Issued 2018-06-11
#
# UTC Radio Flux Planetary Largest
# Date 10.7 cm A Index Kp Index
2018 Jun 11 72 5 2
2018 Jun 12 72 8 3
2018 Jun 13 72 8 3
2018 Jun 14 72 8 3
2018 Jun 15 72 5 2
2018 Jun 16 72 5 2
2018 Jun 17 72 5 2
2018 Jun 18 73 5 2
2018 Jun 19 74 8 3
2018 Jun 20 74 5 2
2018 Jun 21 75 5 2
2018 Jun 22 75 5 2
2018 Jun 23 75 5 2
2018 Jun 24 74 5 2
2018 Jun 25 74 5 2
2018 Jun 26 73 5 2
2018 Jun 27 72 15 4
2018 Jun 28 72 28 5
2018 Jun 29 71 18 5
2018 Jun 30 71 10 3
2018 Jul 01 70 5 2
2018 Jul 02 70 5 2
2018 Jul 03 70 5 2
2018 Jul 04 69 5 2
2018 Jul 05 69 5 2
2018 Jul 06 69 5 2
2018 Jul 07 68 5 2
(NOAA)
