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Monday, January 09, 2017
Weekly Propagation Forecast Bulletins
Product: Weekly Highlights and Forecasts
:Issued: 2017 Jan 09 0609 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 02 - 08 January 2017
Solar activity was at very low levels with only a few low level B-class flares observed. The solar disk was mostly spotless throughout the period. No Earth-directed coronal mass ejections were
observed. No proton events were observed at geosynchronous orbit. The greater than 2 MeV electron flux at geosynchronous orbit was normal to moderate levels with high levels observed on the 05-08 of January. The largest flux value of the period was 25,537 pfu observed at 08/1935 UTC. The geomagnetic field activity was at quiet to unsettled levels on 02 January under a nominal solar wind environment. By 03 January, a solar sector boundary crossing was observed at approximately 03/0956 UTC. By transitioning into a negative sector followed by increase in solar wind speed and total field indicating the onset of a negative polarity coronal hole high speed stream (CH HSS). Total fiel increased to a maximum of 15 nT on 04/0444 UTC. Solar wind increased from approximately 372 km/s to 695 km/s by 05/1423 UTC. Solar wind speeds continued near 670 km/s through the rest of the period. The geomagnetic field responded with quiet to active levels from 03-08 January.
Forecast of Solar and Geomagnetic Activity 09 January - 04 February 2017
Solar activity is expected to be at very low levels with low levels possible from 12-26 January due to the return of old Region 2621 (N10, L=237). No proton events are expected at geosynchronous orbit. The greater than 2 MeV electron flux at geosynchronous orbit is expected to be at normal to moderate levels with high levels likely on 9-10, 12-16, 18-27 January and on 01-04 February due to CH HSS influence. Geomagnetic field activity is expected to be at unsettled to active levels on 09, 11-14, 17-23, and 27 January through 04 February with G1 (Minor) storm levels likely on 17-19, 21-22 January, and again on 03 February due to recurrent CH HSS effects.
Product: 27-day Space Weather Outlook Table 27DO.txt
:Issued: 2017 Jan 09 0610 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 2017-01-09
#
# UTC Radio Flux Planetary Largest
# Date 10.7 cm A Index Kp Index
2017 Jan 09 72 12 4
2017 Jan 10 72 5 2
2017 Jan 11 72 12 4
2017 Jan 12 72 15 4
2017 Jan 13 72 10 3
2017 Jan 14 72 8 3
2017 Jan 15 73 5 2
2017 Jan 16 73 5 2
2017 Jan 17 73 25 5
2017 Jan 18 73 20 5
2017 Jan 19 74 25 5
2017 Jan 20 75 18 4
2017 Jan 21 75 20 5
2017 Jan 22 75 20 5
2017 Jan 23 75 10 3
2017 Jan 24 75 5 2
2017 Jan 25 75 5 2
2017 Jan 26 74 5 2
2017 Jan 27 74 12 4
2017 Jan 28 74 15 4
2017 Jan 29 73 7 3
2017 Jan 30 73 10 3
2017 Jan 31 73 12 4
2017 Feb 01 73 16 4
2017 Feb 02 72 18 4
2017 Feb 03 72 20 5
2017 Feb 04 72 16 4
(NOAA)