Nominal
Kp 1.7 · steady
R0Radio Blackoutnone
S0Radiation Stormnone
G0Geomagnetic Stormnone
GEO Satellites
Geostationary belt — measured in situ by GOES at 35,786 km.
Solar X-Ray Flux
GOES-18 · 0.1-0.8nmB3.2
3.22e-7 W/m² long channel · 1.00e-9 short
Drives HF radio blackouts and the R scale
Magnetometer
GOES-19 · at GEO93.9nT (Hp)
He 41.1 · Hn 3.2 · total 102.6 nT
Field compression precedes substorm injection
Energetic Particles
GOES-180.21
pfu ≥10 MeV · S0
SEU / dose risk
3117
e⁻ ≥2 MeV · elevated
Deep-dielectric charging
LEO Satellites
Low Earth orbit — drag, ionospheric propagation, and storm-time heating.
Solar Wind & IMF
DSCOVR/ACE · L1-3.6
Bz nT
404
km/s
5.8
p/cc
Southward Bz couples energy into the magnetosphere
Geomagnetic Activity Indices
NOAA Kp · Kyoto Dst1.7
Kp · steady
-15
Dst nT · quiet
Dst down 5 nT in the last hour — ring current drives drag
Ionospheric GIM
GloTECGloTEC ionospheric map unavailable right now.