Sonneneruption – NASA/SDO

DX Weather CW 14/2026

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Period: 04.04.2026 – 10.04.2026 · Calendar Week: 14/2026 · SFI: 136 · SSN: 106 · A: 49 · K: 3 · X-Ray: M1.6


Summary

The week starts with turbulence: A geomagnetic storm has pushed the A-index to 49 – well above normal. Solar wind is racing past at 618 km/s, and the geomagnetic field is unsettled. This morning (April 4, 07:58 UTC) an M1.7 flare was recorded, marking the second M-class event this week.

The Solar Flux Index sits at 136 with a sunspot number of 106 – solid values that nonetheless show a noticeable decline from last week (SFI 158). The 27-day forecast suggests a further drop to around 110-120 in the coming days, before a recovery is expected from April 20 onwards.

For DX enthusiasts: The low bands (80-40m) are suffering from the high A-index and strong solar wind. Absorption and noise are significantly elevated. The mid bands (30-20m) remain solid and continue to offer reliable DX opportunities. The higher bands (17-15m) benefit from the still adequate SFI and show good daytime openings.

Easter Holiday Outlook

For those planning to operate over Easter: After the current disturbance, conditions should calm down by Easter Sunday (April 6) – the forecast Ap drops to 10, promising usable conditions across all bands. Caution: Around April 9/10, another geomagnetic storm is expected (Ap up to 40), which will likely degrade conditions again. The second half of the week could be challenging.

Band Forecast

BandDayNightNotes
160mPoorPoorA=49 makes 160m virtually unusable
80mPoorFairHigh absorption from solar wind, short evening windows
40mPoorFairElevated noise S2-S3, better at night
30mGoodGoodRobust, good balance between absorption and MUF
20mGoodGoodBest DX band this week, worldwide openings
17mGoodGoodSolid DX paths, benefits from SFI 136
15mGoodFairGood daytime openings to AS/SA
12mFairPoorSporadic openings possible
10mFairPoorE-skip Europe: High MUF — short-range possible

27-Day Outlook

  • April 9/10: Geomagnetic storm expected (Ap 25-40). Low-band DX severely limited.
  • April 14–17: Quiet phase with Ap 4-7 – ideal DX window on all bands.
  • April 18/19: Another storm (Ap 48!) – potentially the strongest this month.
  • From April 22: SFI rises back to 150+, conditions improve significantly.

VHF Conditions

VHF is currently quiet: Aurora propagation is closed, E-skip on 6m and 4m likewise. Only E-skip on 2m shows “High MUF” for Europe – sporadic short-range openings may develop in the coming days.

Live Data

☀ Aktuelle Ausbreitungsbedingungen 05.04.2026 11:48 UTC
SFI 128
SSN 112
A-Index 16
K-Index 3
X-Ray B6.1
Band Tag ☀ Nacht ☾
160m Schlecht Schlecht
80–40m Schlecht Mäßig
30–20m Gut Gut
17–15m Gut Gut
12–10m Mäßig Schlecht

Links

73 de OERadio DX Weather Desk

This report was generated with AI assistance based on current data from NOAA SWPC and HamQSL.com. The live data above updates automatically every 3 hours.

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