Solar activity report

Below you'll find a daily report brought to you by the NOAA about the solar activity and auroral activity during the past day and the prediction for the coming days. This page is daily updated around midnight.

Report of Solar-Geophysical Activity 2018 Sep 24 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 267 Issued at 2200Z on 24 Sep 2018

IA. Analysis of Solar Active Regions and Activity from 23-2100Z to 24-2100Z

Solar activity has been at very low levels for the past 24 hours. There are currently 0 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low on days one, two, and three (25 Sep, 26 Sep, 27 Sep).
IIA. Geophysical Activity Summary 23-2100Z to 24-2100Z
The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 482 km/s at 24/0202Z. Total IMF reached 8 nT at 23/2332Z. The maximum southward component of Bz reached -4 nT at 24/0425Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 7039 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels on days one and two (25 Sep, 26 Sep) and quiet levels on day three (27 Sep).
III. Event Probabilities 25 Sep to 27 Sep
Class M 01%01%01%
Class X 01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       24 Sep 069
  Predicted    25 Sep-27 Sep 068/068/068
  90 Day Mean        24 Sep 069

V. Geomagnetic A Indices
  Observed Afr/Ap 23 Sep  009/010
  Estimated     Afr/Ap 24 Sep  009/012
  Predicted     Afr/Ap 25 Sep-27 Sep  009/010-007/008-006/005

VI. Geomagnetic Activity Probabilities 25 Sep to 27 Sep
A. Middle Latitudes
Active25%15%10%
Minor storm 05%05%01%
Major-severe storm 01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm 30%25%20%
Major-severe storm 30%25%15%
Current data suggest that it is not possible to see aurora now at middle latitudes

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