Viewing archive of Tuesday, 14 April 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Apr 14 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 105 Issued at 2200Z on 14 Apr 2020IA. Analysis of Solar Active Regions and Activity from 13-2100Z to 14-2100Z 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 (15 Apr, 16 Apr, 17 Apr).
IIA. Geophysical Activity Summary 13-2100Z to 14-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 434 km/s at 14/0945Z. Total IMF reached 8
nT at 14/0641Z. The maximum southward component of Bz reached -6 nT at
14/0704Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 168 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (15 Apr, 16 Apr, 17
Apr).
III. Event Probabilities 15 Apr to 17 Apr
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 14 Apr 069 Predicted 15 Apr-17 Apr 070/068/068 90 Day Mean 14 Apr 071
V. Geomagnetic A Indices
Observed Afr/Ap 13 Apr 004/005 Estimated Afr/Ap 14 Apr 008/009 Predicted Afr/Ap 15 Apr-17 Apr 005/005-006/005-005/005
VI. Geomagnetic Activity Probabilities 15 Apr to 17 Apr
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 20% | 20% |
| Major-severe storm | 10% | 10% | 10% |
All times in UTC
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