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Tuesday, May 29, 2018
Weekly Propagation Forecast Bulletins
Product: Weekly Highlights and Forecasts
:Issued: 2018 May 28 0238 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 21 - 27 May 2018
Solar activity reached low levels during the period due to an isolated C-class event, a C2 flare from Region 2712 (N13, L=172, class/area Csp/80 on 24 May). No Earth-directed CMEs were observed.
No proton events were observed at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit reached moderate levels on 21-27 May.
Geomagnetic field activity was quiet to unsettled on 23 May due to influence from a positive polarity, coronal hole high-speed stream (CH HSS). Quiet conditions were observed throughout the remainder of the period.
Forecast of Solar and Geomagnetic Activity 28 May - 23 June 2018
Solar activity is expected to be very low throughout the period, with a slight chance for isolated C-class events on 28 May - 04 Jun and 10-23 Jun, due to flare potential from Regions 2711 (N06, L=288, class/area Cai/60 on 24 May) and 2712.
No proton events are expected at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit is expected to reach very high levels on 05-07 Jun with high levels expected on 02-04 Jun and 08-13 Jun. Moderate flux levels are
expected for the remainder of the period.
Geomagnetic field activity is expected to reach G1 (Minor) geomagnetic storm levels on 02 Jun with active levels on 01, and 03-04 Jun due to the influence of a recurrent, negative polarity CH HSS. Unsettled levels are expected on 28-29 May and 05-06, 13, 19 Jun. Quiet conditions are expected during the remainder of the outlook period.
Product: 27-day Space Weather Outlook Table 27DO.txt
:Issued: 2018 May 28 0238 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 2018-05-28
#
# UTC Radio Flux Planetary Largest
# Date 10.7 cm A Index Kp Index
2018 May 28 73 8 3
2018 May 29 72 8 3
2018 May 30 72 5 2
2018 May 31 72 5 2
2018 Jun 01 72 15 4
2018 Jun 02 72 28 5
2018 Jun 03 72 15 4
2018 Jun 04 70 12 4
2018 Jun 05 70 10 3
2018 Jun 06 70 8 3
2018 Jun 07 70 5 2
2018 Jun 08 70 5 2
2018 Jun 09 70 5 2
2018 Jun 10 72 5 2
2018 Jun 11 72 5 2
2018 Jun 12 72 5 2
2018 Jun 13 72 8 3
2018 Jun 14 72 5 2
2018 Jun 15 70 5 2
2018 Jun 16 70 5 2
2018 Jun 17 70 5 2
2018 Jun 18 72 5 2
2018 Jun 19 72 8 3
2018 Jun 20 72 5 2
2018 Jun 21 72 5 2
2018 Jun 22 72 5 2
2018 Jun 23 72 5 2
(NOAA)