Country forecast

Geomagnetic storm forecast for Antigua and Barbuda

No storm1 citiesEstimate

The geomagnetic field over Antigua and Barbuda is quiet: Kp 0.3 now, with the 72-hour peak near Kp 3.0. Across the country the effective exposure runs from about 2.4 at the least exposed cities to 2.4 at the most exposed.

Planetary Kp now0.3NOAA SWPC, live
72-hour peak3.0next 72 hours
Magnetic latitudes26–26°span across listed cities
Effective at peak2.4–2.4least → most exposed · estimate

Antigua and Barbuda spans geomagnetic latitudes 26°–26°, so the same planetary storm is felt differently across it — higher magnetic latitudes get noticeably more. Open a city page for storm timing in its local time, its aurora threshold and wellbeing guidance.

Data: NOAA SWPC · GFZ Potsdam

Deep forecast · 72 hours

Next 72 hours over Antigua and Barbuda

Planetary Kp by 3-hour windows — identical worldwide; the local feel scales with each city's latitude.

Deep forecast · 72 hours
Kp by 3-hour windows · with uncertainty
CalmActiveStormSevereUncertainty

Forecast peak Kp 3 around Jul 18, 03 AM.

01 · Week ahead

Seven-day geomagnetic forecast

Official NOAA Kp forecast with a general wellbeing-risk estimate for weather-sensitive people.

Today 17 Jul
2.0
No storm
Quiet
General risk14%
Sa 18 Jul
3.0
Unsettled field
Quiet
General risk23%
Su 19 Jul
2.0
No storm
Quiet
General risk14%
Mo 20 Jul
1.3
No storm
Quiet
General risk11%
Tu 21 Jul
2.0
No storm · Estimate
Quiet
General risk14%
We 22 Jul
4.0
Active field · Estimate
Active
General risk32%
Th 23 Jul
3.0
Unsettled field · Estimate
Quiet
General risk23%
01 · Cities

Major cities in Antigua and Barbuda

Estimated effective exposure at the coming peak (Kp 3.0). Open a city for its local timing and aurora odds.

FAQ

Antigua and Barbuda: quick answers

Which cities in Antigua and Barbuda feel geomagnetic storms the strongest?

The higher the geomagnetic latitude, the stronger the effect. Among the listed cities the most exposed are Saint John’s.

Can you see auroras in Antigua and Barbuda?

It depends on latitude: Antigua and Barbuda's cities sit between geomagnetic 26° and 26°. The closer a city is to the auroral oval, the lower the Kp it needs — each city page shows its own threshold and tonight's estimate.

Is the forecast different across Antigua and Barbuda?

The Kp index is planetary — the same for all of Antigua and Barbuda. What differs is the effective local exposure (2.4–2.4 at the coming peak) and the timing, which each city page shows in its own timezone.

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