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Geomagnetic storm forecast for Houston — April 21, 2026

Home Geomagnetic storm forecast Houston April 21, 2026

Geomagnetic storm forecast for Houston for Apr 21, 2026

geomagnetic disturbances were expected (Kp = 4.67)

Geomagnetic storm forecast for 3 days

Geomagnetic index Kp forecast from Apr 21, 2026 to Apr 23, 2026 for mid latitudes

Location — Houston (geographic coordinates — 29.79 N -95.39 W | time zone UTC-05 - summer time)

Kp forecast
This chart in PNG format — high resolution API data: JSON or TXT

Probability of geomagnetic storms for 3 days

Estimated probability for Earth's magnetosphere state from Apr 21, 2026 to Apr 23, 2026.

Information is provided for mid latitudes for time zone UTC+00

21.04.2026
Probability 21.04.2026
22.04.2026
Probability 22.04.2026
23.04.2026
Probability 23.04.2026

3-day forecast for Ap and F10.7 indices

Estimated values of Ap and F10.7 indices from Apr 21, 2026 to Apr 23, 2026 for time zone UTC+00

  21.04.202622.04.202623.04.2026
Ap 18105
F10.7 128130155

Geomagnetic storm forecast for a month

Forecast of the daily maximal value of geomagnetic index Kp for 1 month (31 days) from Apr 21, 2026 to Apr 23, 2026

Information is provided for mid latitudes (time zone UTC-05)

Kp long forecast
This chart in PNG format — high resolution API data: JSON or TXT