https://twiar.net North America's Premiere Amateur Radio News Magazine Sat, 22 Nov 2025 05:32:19 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://twiar.net/wp-content/uploads/2020/05/cropped-twiarlogo512px-32x32.jpg https://twiar.net 32 32 https://twiar.net/2025/11/22/via-the-arrl-the-arrl-solar-update-10/ Sat, 22 Nov 2025 05:32:17 +0000 https://twiar.net/?p=37422 Read more at ARRL.org]]> https://twiar.net/2025/11/21/solar-storms-from-11-november-generate-most-intense-ground-level-event-in-almost-20-years/ https://twiar.net/2025/11/21/solar-storms-from-11-november-generate-most-intense-ground-level-event-in-almost-20-years/#comments Fri, 21 Nov 2025 15:32:00 +0000 https://twiar.net/?p=37404 ]]> https://twiar.net/2025/11/21/solar-storms-from-11-november-generate-most-intense-ground-level-event-in-almost-20-years/feed/ 2 https://twiar.net/2025/06/20/via-the-arrl-the-arrl-solar-report-20/ https://twiar.net/2025/06/20/via-the-arrl-the-arrl-solar-report-20/#comments Fri, 20 Jun 2025 23:40:30 +0000 https://twiar.net/?p=33208 Read more at ARRL.org]]> https://twiar.net/2025/06/20/via-the-arrl-the-arrl-solar-report-20/feed/ 1 https://twiar.net/2025/06/20/via-the-rsgb-propagation-news-22-june-2025/ https://twiar.net/2025/06/20/via-the-rsgb-propagation-news-22-june-2025/#comments Fri, 20 Jun 2025 13:18:23 +0000 https://twiar.net/?p=33164 Read more at RSGB.co.uk]]> https://twiar.net/2025/06/20/via-the-rsgb-propagation-news-22-june-2025/feed/ 1 https://twiar.net/2024/10/05/via-the-arrl-the-k7ra-solar-update-61/ Sun, 06 Oct 2024 02:25:00 +0000 https://twiar.net/?p=24154 Read more at ARRL.org]]> https://twiar.net/2024/09/16/strong-g3-geomagnetic-storms-are-likely-on-16-september-2024/ Mon, 16 Sep 2024 06:11:10 +0000 https://twiar.net/?p=23620 Periods of G3 (Strong) geomagnetic storms are likely on 16 Sep 2024 due to coronal...]]> https://twiar.net/2024/08/02/via-the-arrl-the-k7ra-solar-update-52/ Fri, 02 Aug 2024 19:56:00 +0000 https://twiar.net/?p=22293 Solar activity was a bit lower this week. Seven new sunspot groups appeared. The only...]]> https://twiar.net/2024/05/05/powerful-solar-flare-left-earth-without-radio-communication-for-30-minutes/ Sun, 05 May 2024 04:25:02 +0000 https://twiar.net/?p=21120 On May 1, an extremely powerful solar flare occurred on the Sun, which led to...]]> https://twiar.net/2024/03/01/via-the-arrl-the-k7ra-solar-update-35/ Fri, 01 Mar 2024 19:37:20 +0000 https://twiar.net/?p=20039 “ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 2208 UTC/29 FEBRUARY 2024 BY THE AUSTRALIAN SPACE WEATHER...]]> https://twiar.net/2024/02/25/sun-unleashes-most-powerful-flare-in-current-cycle/ Sun, 25 Feb 2024 06:40:10 +0000 https://twiar.net/?p=19959 Our majestic star was recorded in the act of emitting high-intensity solar flares, which are...]]> https://twiar.net/2023/12/22/via-the-arrl-the-k7ra-solar-update-26/ https://twiar.net/2023/12/22/via-the-arrl-the-k7ra-solar-update-26/#comments Fri, 22 Dec 2023 15:38:46 +0000 https://twiar.net/?p=19001 The Winter Solstice, the shortest day of the year in the NorthernHemisphere occurred at 0327...]]> https://twiar.net/2023/12/22/via-the-arrl-the-k7ra-solar-update-26/feed/ 1 https://twiar.net/2023/12/15/via-the-arrl-the-k7ra-solar-update-25/ Fri, 15 Dec 2023 20:15:29 +0000 https://twiar.net/?p=18888 “GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 0132 UTC ON 15 DECEMBER 2023 BY THE AUSTRALIAN SPACE...]]> https://twiar.net/2023/12/04/via-hackaday-the-sunspots-are-coming-again/ Mon, 04 Dec 2023 18:28:46 +0000 https://twiar.net/?p=18631 There are a bunch of ways to estimate the age of a radio amateur, by...]]> https://twiar.net/2023/08/08/two-rare-powerful-x-class-solar-flares-just-days-apart-cause-radio-blackouts/ https://twiar.net/2023/08/08/two-rare-powerful-x-class-solar-flares-just-days-apart-cause-radio-blackouts/#comments Wed, 09 Aug 2023 03:35:29 +0000 https://twiar.net/?p=17025 Two massive X-class solar flares released over the past few days have caused radio blackouts...]]> https://twiar.net/2023/08/08/two-rare-powerful-x-class-solar-flares-just-days-apart-cause-radio-blackouts/feed/ 1 https://twiar.net/2023/07/07/space-weather-update-x1-0-solar-flare-from-sunspot-region-3354/ Fri, 07 Jul 2023 06:03:56 +0000 https://twiar.net/?p=16482 Sunspot region 3354 departs with a major X1.0 solar flare (R3-strong) yesterday at 23:14 UTC...]]> https://twiar.net/2023/06/23/space-weather-update-x1-1-solar-flare-3/ Fri, 23 Jun 2023 04:22:12 +0000 https://twiar.net/?p=16290 That was unexpected! Incoming sunspot region 3341 produced an X1.1 solar flare (R3-strong) that peaked...]]> https://twiar.net/2023/02/20/space-weather-update-x2-2-solar-flare-with-earth-directed-cme/ https://twiar.net/2023/02/20/space-weather-update-x2-2-solar-flare-with-earth-directed-cme/#comments Mon, 20 Feb 2023 06:08:43 +0000 https://twiar.net/?p=14498 A major long duration X2.28 solar flare (R3-strong) took place yesterday and reached its peak...]]> https://twiar.net/2023/02/20/space-weather-update-x2-2-solar-flare-with-earth-directed-cme/feed/ 1 https://twiar.net/2023/02/12/space-weather-update-x1-1-solar-flare-2/ Sun, 12 Feb 2023 06:53:15 +0000 https://twiar.net/?p=14392 After a fairly quiet start of the month the Sun has really started to pick...]]> https://twiar.net/2023/01/07/space-weather-update-x1-2-solar-flare/ Sat, 07 Jan 2023 05:14:12 +0000 https://twiar.net/?p=13880 A surprise this night from sunspot region 3182 which has just rotated into view. It...]]> https://twiar.net/2022/10/05/via-southgate-a-big-dangerous-sunspot/ https://twiar.net/2022/10/05/via-southgate-a-big-dangerous-sunspot/#comments Wed, 05 Oct 2022 15:49:00 +0000 https://twiar.net/?p=12463 One of the biggest sunspots in years has just rotated over the sun’s northeastern limb....]]> https://twiar.net/2022/10/05/via-southgate-a-big-dangerous-sunspot/feed/ 1 https://twiar.net/2022/05/03/space-weather-update-x1-1-solar-flare-on-the-south-east-limb/ Wed, 04 May 2022 02:52:55 +0000 https://twiar.net/?p=8772 An X1.1 (R3-strong) solar flare was observed on the south east limb today. The eruption...]]> https://twiar.net/2022/04/20/space-weather-update-m7-3-and-x2-2-solar-flares/ Wed, 20 Apr 2022 23:49:16 +0000 https://twiar.net/?p=8571 With sunspot regions 2993 and 2994 we have two formidable sunspot regions on the earth-facing...]]> https://twiar.net/2022/04/18/northern-lights-may-no-longer-be-exclusive-to-scandinavian-countries-nasa-reports-massive-solar-flare-india/ Tue, 19 Apr 2022 02:56:31 +0000 https://twiar.net/?p=8567 On April 17, NASA’s Solar Dynamics Observatory (SDO) captured the blow of an X1-class solar...]]> https://twiar.net/2022/04/17/space-weather-update-x1-1-solar-flare/ Mon, 18 Apr 2022 01:36:57 +0000 https://twiar.net/?p=8540 Two major sunspot regions (2993 and 2994) have now rotated onto the earth-facing solar disk....]]> https://twiar.net/2022/03/30/space-weather-update-x1-3-solar-flare/ Wed, 30 Mar 2022 21:09:37 +0000 https://twiar.net/?p=8308 We are still awaiting the arrival of two coronal mass ejections launched by a couple...]]> https://twiar.net/2022/02/04/via-the-arrl-research-on-ancient-massive-solar-storms-suggests-a-need-to-prepare-for-the-next-ones/ Fri, 04 Feb 2022 19:21:00 +0000 https://twiar.net/?p=7514 Numerous powerful X-class solar flares occurred last fall as Solar Cycle 25 activity picked up....]]> https://twiar.net/2021/10/30/space-weather-update-cme-impact-expected-g3-storm-watch/ Sat, 30 Oct 2021 07:45:59 +0000 https://twiar.net/?p=5788 What a day yesterday. The spectacular X1.0 solar flare (which is the second strongest solar...]]> https://twiar.net/2021/10/30/space-weather-update-x1-solar-flare-with-a-major-cme/ Sat, 30 Oct 2021 07:43:17 +0000 https://twiar.net/?p=5774 Earth-facing sunspot region 2887 erupted today with a major X1.0 (R3-strong) solar flare that launched...]]>