Viewing archive of Thursday, 9 July 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Jul 09 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 191 Issued at 2200Z on 09 Jul 2020IA. Analysis of Solar Active Regions and Activity from 08-2100Z to 09-2100Z 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 (10 Jul, 11 Jul, 12 Jul).
IIA. Geophysical Activity Summary 08-2100Z to 09-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 351 km/s at 09/0243Z. Total IMF reached 5 nT at
09/1554Z. The maximum southward component of Bz reached -4 nT at
09/0855Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 227 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one and two (10 Jul, 11 Jul) and quiet to
unsettled levels on day three (12 Jul).
III. Event Probabilities 10 Jul to 12 Jul
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 09 Jul 069 Predicted 10 Jul-12 Jul 068/068/068 90 Day Mean 09 Jul 069
V. Geomagnetic A Indices
Observed Afr/Ap 08 Jul 002/002 Estimated Afr/Ap 09 Jul 004/004 Predicted Afr/Ap 10 Jul-12 Jul 006/005-006/005-010/010
VI. Geomagnetic Activity Probabilities 10 Jul to 12 Jul
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 05% | 05% | 20% |
| Minor storm | 01% | 01% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 15% | 15% | 30% |
| Major-severe storm | 10% | 10% | 30% |
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