Viewing archive of Tuesday, 29 June 2021
Solar activity report
Report of Solar-Geophysical Activity 2021 Jun 29 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 180 Issued at 2200Z on 29 Jun 2021IA. Analysis of Solar Active Regions and Activity from 28-2100Z to 29-2100Z Solar activity has been at very low levels for the past 24
hours. There are currently 3 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 (30 Jun,
01 Jul, 02 Jul).
IIA. Geophysical Activity Summary 28-2100Z to 29-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 350 km/s at 29/1655Z. Total IMF reached 5 nT at
29/1518Z. The maximum southward component of Bz reached -5 nT at
29/1518Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 367 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on days one, two, and three (30 Jun,
01 Jul, 02 Jul).
III. Event Probabilities 30 Jun to 02 Jul
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 29 Jun 093 Predicted 30 Jun-02 Jul 092/092/092 90 Day Mean 29 Jun 077
V. Geomagnetic A Indices
Observed Afr/Ap 28 Jun 004/006 Estimated Afr/Ap 29 Jun 004/005 Predicted Afr/Ap 30 Jun-02 Jul 008/010-008/010-007/008
VI. Geomagnetic Activity Probabilities 30 Jun to 02 Jul
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 20% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 25% | 25% | 25% |
| Major-severe storm | 25% | 30% | 20% |
All times in UTC
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