Viewing archive of Thursday, 25 June 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Jun 25 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 177 Issued at 2200Z on 25 Jun 2020IA. Analysis of Solar Active Regions and Activity from 24-2100Z to 25-2100Z 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 (26 Jun, 27 Jun, 28 Jun).
IIA. Geophysical Activity Summary 24-2100Z to 25-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 463 km/s at 25/0255Z. Total IMF reached 5 nT at
25/1034Z. The maximum southward component of Bz reached -3 nT at
25/1944Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 179 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one and three (26 Jun, 28 Jun) and quiet
to unsettled levels on day two (27 Jun).
III. Event Probabilities 26 Jun to 28 Jun
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 25 Jun 069 Predicted 26 Jun-28 Jun 069/069/069 90 Day Mean 25 Jun 069
V. Geomagnetic A Indices
Observed Afr/Ap 24 Jun 007/005 Estimated Afr/Ap 25 Jun 006/005 Predicted Afr/Ap 26 Jun-28 Jun 005/005-008/008-006/005
VI. Geomagnetic Activity Probabilities 26 Jun to 28 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 05% | 15% | 05% |
| Minor storm | 01% | 05% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 15% | 25% | 15% |
| Major-severe storm | 10% | 20% | 10% |
All times in UTC
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