Viewing archive of Friday, 5 June 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Jun 05 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 157 Issued at 2200Z on 05 Jun 2020IA. Analysis of Solar Active Regions and Activity from 04-2100Z to 05-2100Z Solar activity has been at very low levels for the past 24
hours. There are currently 1 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
with a slight chance for a C-class flare on days one, two, and three (06
Jun, 07 Jun, 08 Jun).
IIA. Geophysical Activity Summary 04-2100Z to 05-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 356 km/s at 04/2236Z. Total IMF reached 5 nT at
05/1409Z. The maximum southward component of Bz reached -3 nT at
05/0835Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 172 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on days one and two (06 Jun, 07 Jun)
and quiet levels on day three (08 Jun).
III. Event Probabilities 06 Jun to 08 Jun
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 05 Jun 071 Predicted 06 Jun-08 Jun 072/072/072 90 Day Mean 05 Jun 070
V. Geomagnetic A Indices
Observed Afr/Ap 04 Jun 005/004 Estimated Afr/Ap 05 Jun 005/005 Predicted Afr/Ap 06 Jun-08 Jun 007/008-008/008-006/005
VI. Geomagnetic Activity Probabilities 06 Jun to 08 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 05% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 20% | 15% | 15% |
| Minor storm | 25% | 25% | 20% |
| Major-severe storm | 15% | 10% | 10% |
All times in UTC
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