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Solar activity report
Report of Solar-Geophysical Activity 2022 Jul 04 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 185 Issued at 2200Z on 04 Jul 2022IA. Analysis of Solar Active Regions and Activity from 03-2100Z to 04-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C5 event observed at
04/1333Z from Region 3050 (N18E30). There are currently 6 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
with a chance for a C-class flares on days one, two, and three (05 Jul,
06 Jul, 07 Jul).
IIA. Geophysical Activity Summary 03-2100Z to 04-2100Z
The geomagnetic
field has been at unsettled to minor storm levels for the past 24 hours.
Solar wind speed reached a peak of 487 km/s at 04/1714Z. Total IMF
reached 20 nT at 04/0414Z. The maximum southward component of Bz reached
-12 nT at 04/0305Z. Electrons greater than 2 MeV at geosynchronous
orbit reached a peak level of 135 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on day one (05 Jul), unsettled to
minor storm levels on day two (06 Jul) and quiet to active levels on day
three (07 Jul).
III. Event Probabilities 05 Jul to 07 Jul
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 04 Jul 104 Predicted 05 Jul-07 Jul 106/106/110 90 Day Mean 04 Jul 125
V. Geomagnetic A Indices
Observed Afr/Ap 03 Jul 011/010 Estimated Afr/Ap 04 Jul 016/020 Predicted Afr/Ap 05 Jul-07 Jul 010/010-017/025-012/014
VI. Geomagnetic Activity Probabilities 05 Jul to 07 Jul
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 40% | 35% |
| Minor storm | 10% | 25% | 15% |
| Major-severe storm | 01% | 05% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 10% | 10% |
| Minor storm | 30% | 25% | 25% |
| Major-severe storm | 40% | 65% | 50% |
All times in UTC
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