Viewing archive of Friday, 15 May 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 May 15 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 136 Issued at 2200Z on 15 May 2020IA. Analysis of Solar Active Regions and Activity from 14-2100Z to 15-2100Z 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 (16 May, 17 May, 18 May).
IIA. Geophysical Activity Summary 14-2100Z to 15-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 330 km/s at 15/1927Z. Total IMF reached 7 nT at
15/0935Z. The maximum southward component of Bz reached -3 nT at
15/0859Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 176 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (16 May, 17 May, 18
May).
III. Event Probabilities 16 May to 18 May
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 15 May 068 Predicted 16 May-18 May 068/068/068 90 Day Mean 15 May 070
V. Geomagnetic A Indices
Observed Afr/Ap 14 May 003/002 Estimated Afr/Ap 15 May 005/004 Predicted Afr/Ap 16 May-18 May 006/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 16 May to 18 May
| 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 | 15% | 15% | 15% |
| Major-severe storm | 10% | 10% | 10% |
All times in UTC
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