Hf communications may be disrupted by the effects of solar flares

issued

2012-06-04 16:13Z

status

cancelled 2012-06-05 15:05Z (archive)

authority

SWPC 04 JUN 12.

source

nga_json · first seen 2026-08-17 13:38Z

SOLAR ACTIVITY.
1. HF COMMUNICATIONS MAY BE DISRUPTED BY THE EFFECTS
   OF SOLAR FLARES.
2. DURING INCIDENTS AT SEA, MARINERS SHOULD CHECK THEIR
   POSITION USING ALL ALTERNATE MEANS AVAILABLE.
3. CANCEL THIS MSG 07 JUN.

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.