Viewing archive of Sunday, 20 August 2023
Solar activity report
Report of Solar-Geophysical Activity 2023 Aug 20 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 232 Issued at 2200Z on 20 Aug 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 Aug to 23 Aug
| Class M | 15% | 15% | 15% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 20 Aug 146 Predicted 21 Aug-23 Aug 153/153/155 90 Day Mean 20 Aug 166
V. Geomagnetic A Indices
Observed Afr/Ap 19 Aug 008/010 Estimated Afr/Ap 20 Aug 010/010 Predicted Afr/Ap 21 Aug-23 Aug 008/010-008/010-008/010
VI. Geomagnetic Activity Probabilities 21 Aug to 23 Aug
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 20% | 20% |
| Major-severe storm | 20% | 20% | 20% |
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
Gillam, MB, Whitehorse, YT, Yellowknife, NTFairbanks, 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, Iqaluit, NU, Saskatoon, SKAnchorage, AK, Juneau, AK
Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future
Calgary, AB, Winnipeg, MBLatest news
X1.1 solar flare
Coronal hole faces Earth
Strong G3 geomagnetic storm watch for 23 March
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