Detailed Information

Solar Activity

Solar activity over the past 24 hours was active. 

A total of 18 flares were observed, comprising 17 C-class flares and 1 M-class flare. The strongest event was an M1.9 flare from NOAA 14493, peaking at 17:27UT . Two Type III solar radio bursts were detected and no coronal mass ejections were observed during this period. On the visible disk, four active regions were identified by SDO/HMI: NOAA 14489, NOAA 14492, NOAA 14493, and NOAA 14494. Two H-alpha plages were noted by BBSO: NOAA 14490 and NOAA 14491. Nased on farside data, no region is going to appear from east limb for the next 24 hours

Based on today's condition, solar activity is predicted to remain active for the next 24 hours.
 

Geomagnetic Activity

The geomagnetic activity was on active level for the last 24 hours.
The solar wind speed increase from 252 km/s and 287 km/s, north-south component of interplanetary magnetic field fluctuate between -7.6 nT and 5.4 nT There was geoeffective coronal hole at central equator, while the others at north pole were not geoeffective.
Quiet level geomagnetic activity is expected for the next 24 hours.

Ionospheric Activity

Ionospheric Activity Ionosphere activity for the last 24 hours cannot be evaluated.
The ionospheric activity regarding the foF2, fmin, Spread-F, and E-sporadis values for the last 24 hours cannot be evaluated due to problems with the CADI station. The S4 index values (condition of ionospheric scintillation) was less than 0.5 and the maximum TEC index value was at 61.72 both over Pontianak.

The ionosphere activity is predicted to be minor level for the next 24 hours.

Navigation

The error of the single frequency GPS positioning for the next 24 hours was on normal level, based on ionospheric scintillation and TEC variation.
Based on ionospheric scintillation and TEC variation, the probability of error positioning for the next 24 hours is predicted to be on normal level.

HF Radio Communication

HF Radio Communication MUF (Maximum Usable Frequency) depression and Short Wave Fadeout (SWF) for the last 24 hours cannot be evaluated due to problems with the Pontianak station.
The MUF depression for the next 24 hours is predicted at a minor level, due to previous geomagnetic activity.
The SWF for the next 24 hours is predicted at a minor level due to the prediction of a solar flare.

 

Satellites

The electron flux was on low level for the last 24 hours.
Low level of electron flux is expected for the next 24 hours.

The 10 MeV proton flux was quiet over the past 24 hours. 
The quiet conditions are expected to persist for the next 24 hours.