Viewing archive of Tuesday, 8 June 2021
Solar activity report
Report of Solar-Geophysical Activity 2021 Jun 08 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 159 Issued at 2200Z on 08 Jun 2021IA. Analysis of Solar Active Regions and Activity from 07-2100Z to 08-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C2 event observed at
08/1723Z. There are currently 2 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 (09
Jun, 10 Jun, 11 Jun).
IIA. Geophysical Activity Summary 07-2100Z to 08-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 556 km/s at 08/0055Z. Total IMF reached 11
nT at 07/2136Z. The maximum southward component of Bz reached -8 nT at
07/2141Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 154 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on days one and two (09 Jun, 10 Jun)
and quiet levels on day three (11 Jun).
III. Event Probabilities 09 Jun to 11 Jun
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 08 Jun 080 Predicted 09 Jun-11 Jun 080/078/075 90 Day Mean 08 Jun 076
V. Geomagnetic A Indices
Observed Afr/Ap 07 Jun 015/013 Estimated Afr/Ap 08 Jun 009/012 Predicted Afr/Ap 09 Jun-11 Jun 007/010-007/008-006/005
VI. Geomagnetic Activity Probabilities 09 Jun to 11 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 15% | 10% |
| Minor storm | 05% | 05% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 30% | 25% | 20% |
| Major-severe storm | 30% | 25% | 20% |
All times in UTC
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