Viewing archive of Thursday, 10 September 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Sep 10 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 254 Issued at 2200Z on 10 Sep 2020IA. Analysis of Solar Active Regions and Activity from 09-2100Z to 10-2100Z 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 (11 Sep, 12 Sep, 13 Sep).
IIA. Geophysical Activity Summary 09-2100Z to 10-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 448 km/s at 09/2337Z. Total IMF reached 5 nT at
10/1426Z. The maximum southward component of Bz reached -4 nT at
10/0443Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 3580 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (11 Sep, 12 Sep, 13
Sep).
III. Event Probabilities 11 Sep to 13 Sep
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 10 Sep 069 Predicted 11 Sep-13 Sep 070/070/070 90 Day Mean 10 Sep 070
V. Geomagnetic A Indices
Observed Afr/Ap 09 Sep 001/003 Estimated Afr/Ap 10 Sep 002/003 Predicted Afr/Ap 11 Sep-13 Sep 006/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 11 Sep to 13 Sep
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 05% | 05% | 05% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 15% | 15% | 15% |
| Major-severe storm | 10% | 10% | 10% |
All times in UTC
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