Joint USAF/NOAA Photo voltaic Geophysical Exercise Report and Forecast SDF Quantity 291 Issued at 2200Z on 18 Oct 2023

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Standing Report

NOAA SWPC

October 18, 2023

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 291 Issued at 2200Z on 18 Oct 2023

IA. Evaluation of Photo voltaic Lively Areas and Exercise from 17/2100Z to 18/2100Z: Photo voltaic exercise has been at very low ranges for the previous 24 hours. There are at the moment 3 numbered sunspot areas on the disk.

IB. Photo voltaic Exercise Forecast: Photo voltaic exercise is more likely to be low on days one, two, and three (19 Oct, 20 Oct, 21 Oct).

IIA. Geophysical Exercise Abstract 17/2100Z to 18/2100Z: The geomagnetic discipline has been at quiet to unsettled ranges for the previous 24 hours. Photo voltaic wind pace reached a peak of 473 km/s at 18/1641Z. Whole IMF reached 34 nT at 18/1813Z. The utmost southward element of Bz reached -10 nT at 18/1314Z. Electrons larger than 2 MeV at geosynchronous orbit reached a peak stage of 154 pfu.

IIB. Geophysical Exercise Forecast: The geomagnetic discipline is predicted to be at quiet to minor storm ranges on day one (19 Oct), unsettled to minor storm ranges on day two (20 Oct) and unsettled to lively ranges on day three (21 Oct).

III. Occasion chances 19 Oct-21 Oct
Class M 05/05/05
Class X 01/01/01
Proton 01/01/01
PCAF inexperienced

IV. Penticton 10.7 cm Flux
Noticed 18 Oct 135
Predicted 19 Oct-21 Oct 135/135/140
90 Day Imply 18 Oct 156

V. Geomagnetic A Indices
Noticed Afr/Ap 17 Oct 002/002
Estimated Afr/Ap 18 Oct 007/008
Predicted Afr/Ap 19 Oct-21 Oct 015/020-015/022-018/014

VI. Geomagnetic Exercise Chances 19 Oct-21 Oct
A. Center Latitudes
Lively 40/35/30
Minor Storm 25/25/10
Main-severe storm 05/05/01
B. Excessive Latitudes
Lively 10/10/15
Minor Storm 25/30/30
Main-severe storm 60/55/40

area climate

SpaceRef co-founder, Explorers Membership Fellow, ex-NASA, Away Groups, Journalist, House & Astrobiology, Lapsed climber.

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