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 2017 Nov 23 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 327 Issued at 2200Z on 23 Nov 2017

IA. Analysis of Solar Active Regions and Activity from 22-2100Z to 23-2100Z

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 (24 Nov, 25 Nov, 26 Nov).
IIA. Geophysical Activity Summary 22-2100Z to 23-2100Z
The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 504 km/s at 22/2203Z. Total IMF reached 6 nT at 23/2030Z. The maximum southward component of Bz reached -4 nT at 23/1817Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 4658 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels on day one (24 Nov) and quiet levels on days two and three (25 Nov, 26 Nov).
III. Event Probabilities 24 Nov to 26 Nov
Class M 01%01%01%
Class X 01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       23 Nov 072
  Predicted    24 Nov-26 Nov 072/072/072
  90 Day Mean        23 Nov 081

V. Geomagnetic A Indices
  Observed Afr/Ap 22 Nov  007/009
  Estimated     Afr/Ap 23 Nov  008/009
  Predicted     Afr/Ap 24 Nov-26 Nov  008/008-006/005-006/005

VI. Geomagnetic Activity Probabilities 24 Nov to 26 Nov
A. Middle Latitudes
Active10%05%10%
Minor storm 05%05%01%
Major-severe storm 01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm 20%15%15%
Major-severe storm 15%15%15%
Current data suggest that it is not possible to see aurora now at middle latitudes

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 20% 15%
Middle latitude 5% 1%
Predicted Kp max 3
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Waxing Crescent

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2017/11/21Kp5 (G1)
Number of spotless days in 2017:85
Current stretch spotless days:6

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