Viewing archive of Thursday, 20 July 2023
Solar activity report
Report of Solar-Geophysical Activity 2023 Jul 20 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 201 Issued at 2200Z on 20 Jul 2023IA. Analysis of Solar Active Regions and Activity from 19-2100Z to 20-2100Z
IB. Solar Activity Forecast
IIA. Geophysical Activity Summary 19-2100Z to 20-2100Z
IIB. Geophysical Activity Forecast
III. Event Probabilities 21 Jul to 23 Jul
| Class M | 45% | 45% | 45% |
| Class X | 05% | 05% | 05% |
| Proton | 25% | 15% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 20 Jul 184 Predicted 21 Jul-23 Jul 185/185/185 90 Day Mean 20 Jul 162
V. Geomagnetic A Indices
Observed Afr/Ap 19 Jul 007/004 Estimated Afr/Ap 20 Jul 010/014 Predicted Afr/Ap 21 Jul-23 Jul 015/020-011/012-008/008
VI. Geomagnetic Activity Probabilities 21 Jul to 23 Jul
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 35% | 25% | 20% |
| Minor storm | 25% | 10% | 05% |
| Major-severe storm | 10% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 25% | 20% | 20% |
| Major-severe storm | 45% | 20% | 15% |
All times in UTC
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
Whitehorse, YTFairbanks, AK
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Edmonton, AB, Gillam, MB, Saskatoon, SK, Yellowknife, NTAnchorage, AK, Juneau, AK, Utqiagvik, AK
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