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Cat 2 - Civil Warning
Current Warnings
G5 Solar Storm - 11/10/2024
The Alex Alerting Service is issuing a Category 4 warning for a G4/5 Solar storm hitting earth at this time.
G2 Solar Storm 23/01/2024 - 24/01/2024
A G2 Geomagnetic storm is with us. This is not harmful to humans at the moment, however expect the possibility of internet services, GPS and navigational aids to be sluggish or unresponsive at times. This solar storm is not considered a high enough level to warrant an alert.
Why is my phone on the fritz?
If your phone is on the fritz, then you are in a modern home and you should have no electricity at all. These are storms of a space nature listed in the bottom attachment. Otherwise, we have ESA WebTV 1 by clicking on the button below. At this time I am unable to embed for you any data for solar storms. Instead, hit the button for the NOAA space weather prediction centre.
I hope that this video by Kurzgesagt will help to explain what a CME is and what Solar Weather is. Fully educational, and full of interest for you to explore.
G 1
Minor
Power systems: Weak power grid fluctuations can occur.
Spacecraft operations: Minor impact on satellite operations possible.
Other systems: Migratory animals are affected at this and higher levels; aurora is commonly visible at high latitudes (northern Michigan and Maine).
G 2
Moderate
Power systems: High-latitude power systems may experience voltage alarms, long-duration storms may cause transformer damage.
Spacecraft operations: Corrective actions to orientation may be required by ground control; possible changes in drag affect orbit predictions.
Other systems: HF radio propagation can fade at higher latitudes, and aurora has been seen as low as New York and Idaho (typically 55° geomagnetic lat.).
G 3
Strong
Power systems: Voltage corrections may be required, false alarms triggered on some protection devices.
Spacecraft operations: Surface charging may occur on satellite components, drag may increase on low-Earth-orbit satellites, and corrections may be needed for orientation problems.
Other systems: Intermittent satellite navigation and low-frequency radio navigation problems may occur, HF radio may be intermittent, and aurora has been seen as low as Cork (ROI) and London (UKNI) (typically 50° geomagnetic lat.).
G 4
Severe
Power systems: Possible widespread voltage control problems and some protective systems will mistakenly trip out key assets from the grid.
Spacecraft operations: May experience surface charging and tracking problems, corrections may be needed for orientation problems.
Other systems: Induced pipeline currents affect preventive measures, HF radio propagation sporadic, satellite navigation degraded for hours, low-frequency radio navigation disrupted, and aurora has been seen as low as Bamako, Mali, West Africa or United Arab Emirates (typically 45° geomagnetic lat.).
G 5
Extreme
Power systems: Widespread voltage control problems and protective system problems can occur, some grid systems may experience complete collapse or blackouts. Transformers may experience damage.
Spacecraft operations: May experience extensive surface charging, problems with orientation, uplink/downlink and tracking satellites.
Other systems: Pipeline currents can reach hundreds of amps, HF (high frequency) radio propagation may be impossible in many areas for one to two days, satellite navigation may be degraded for days, low-frequency radio navigation can be out for hours, and aurora has been seen as low as Djibouti and Mumbai, India (typically 40° geomagnetic lat.).
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