Joint USAF/NOAA Solar Geophysical Activity Report and Forecast 9 May 2020 - Space Ref

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Status Report From: Space Weather Prediction Center (NOAA)
Posted: Saturday, May 9, 2020

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 130 Issued at 2200Z on 09 May 2020 IA. Analysis of Solar Active Regions and Activity from 08/2100Z to 09/2100Z: 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 (10 May, 11 May, 12 May). IIA. Geophysical Activity Summary 08/2100Z to 09/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 338 km/s at 08/2302Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 240 pfu.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (10 May, 11 May, 12 May). III. Event probabilities 10 May-12 May Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 09 May 071 Predicted 10 May-12 May 069/069/069 90 Day Mean 09 May 070 V. Geomagnetic A Indices Observed Afr/Ap 08 May 004/003 Estimated Afr/Ap 09 May 003/003 Predicted Afr/Ap 10 May-12 May 006/005-006/005-006/005 VI. Geomagnetic Activity Probabilities 10 May-12 May A. Middle Latitudes Active 05/05/10 Minor Storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 15/15/20 Major-severe storm 05/05/10

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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast 9 May 2020 - Space Ref
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