{"id":798003,"date":"2025-09-02T14:15:36","date_gmt":"2025-09-02T19:15:36","guid":{"rendered":"https:\/\/spaceweekly.com\/?p=798003"},"modified":"2025-09-02T14:15:36","modified_gmt":"2025-09-02T19:15:36","slug":"long-duration-m2-7-solar-flare-launches-earth-directed-cme-impact-expected-late-on-september-1","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=798003","title":{"rendered":"Long-duration M2.7 solar flare launches Earth-directed CME, impact expected late on September 1"},"content":{"rendered":"<p> <br \/>\n<\/p>\n<div>\n<p><strong>A long-duration solar flare measuring M2.7 at its peak erupted at 20:02 UTC on August 30, 2025. The eruption produced an asymmetric full halo coronal mass ejection (CME), with impact expected late on September 1 into September 2. A G3 \u2013 Strong geomagnetic storm watch is in effect.<\/strong><\/p>\n<\/div>\n<div>\n<p>The event began at 19:11 UTC, peaked at 20:02 UTC, and ended at 20:41 UTC. The eruption originated from Active Region 4199 (Beta), located near the center of the solar disk.<\/p>\n<p>An asymmetric full halo CME was first observed in LASCO C3 imagery at approximately 20:30 UTC on August 30. Impact analysis suggest Earth-arrival after 20:00 UTC on September 1.<\/p>\n<figure class=\"wp-block-video aligncenter\"><video controls=\"\" loop=\"\" playsinline=\"\" class=\"perfmatters-lazy\" data-src=\"https:\/\/watchers.news\/wp-content\/uploads\/2025\/08\/Halo-CME-august-30-2025-c2.webm\"\/><noscript><video controls=\"\" loop=\"\" src=\"https:\/\/watchers.news\/wp-content\/uploads\/2025\/08\/Halo-CME-august-30-2025-c2.webm\" playsinline=\"\"\/><\/noscript><figcaption class=\"wp-element-caption\">Full halo CME produced on August 30, 2025. Credit: NASA\/ESA SOHO LASCO C2<\/figcaption><\/figure>\n<figure class=\"wp-block-video aligncenter\"><video controls=\"\" loop=\"\" playsinline=\"\" class=\"perfmatters-lazy\" data-src=\"https:\/\/watchers.news\/wp-content\/uploads\/2025\/08\/Full-halo-CME-august-30-2025-c3.webm\"\/><noscript><video controls=\"\" loop=\"\" src=\"https:\/\/watchers.news\/wp-content\/uploads\/2025\/08\/Full-halo-CME-august-30-2025-c3.webm\" playsinline=\"\"\/><\/noscript><figcaption class=\"wp-element-caption\">Full halo CME produced on August 30, 2025. Credit: NASA\/ESA SOHO LASCO C3<\/figcaption><\/figure>\n<p>As a result, NOAA Space Weather Prediction Center (SWPC) has issued a G2 \u2013 Moderate geomagnetic storm watch for September 1 and G3 \u2013 Strong for September 2.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><figcaption class=\"wp-element-caption\">CME forecast impact on September 1, 2025. Image credit: SWPC<\/figcaption><\/figure>\n<\/div>\n<p>The primary area of potential impact is poleward of 50\u00b0 geomagnetic latitude.<\/p>\n<p>Under G3 geomagnetic storm conditions, power systems may experience voltage irregularities, with possible false alarms on some protection devices. Spacecraft could be affected by surface charging, increased drag on low Earth-orbit satellites, and orientation difficulties.<\/p>\n<p>Satellite navigation systems (GPS) may be intermittently disrupted, with potential loss of lock and increased range errors. High frequency (HF) radio communications may also be intermittent while auroras could be visible as far south as Pennsylvania, Iowa, and Oregon.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"851\" height=\"833\" alt=\"suspots on august 31 2025\" class=\"wp-image-232160 perfmatters-lazy\" src=\"https:\/\/watchers.news\/wp-content\/uploads\/2025\/08\/suspots-on-august-31-2025.webp\" srcset=\"https:\/\/watchers.news\/wp-content\/uploads\/2025\/08\/suspots-on-august-31-2025.webp 851w, https:\/\/watchers.news\/wp-content\/uploads\/2025\/08\/suspots-on-august-31-2025-300x294.webp 300w, https:\/\/watchers.news\/wp-content\/uploads\/2025\/08\/suspots-on-august-31-2025-768x752.webp 768w, https:\/\/watchers.news\/wp-content\/uploads\/2025\/08\/suspots-on-august-31-2025-70x70.webp 70w\" data-sizes=\"(max-width: 851px) 100vw, 851px\"\/><img loading=\"lazy\" decoding=\"async\" width=\"851\" height=\"833\" src=\"https:\/\/watchers.news\/wp-content\/uploads\/2025\/08\/suspots-on-august-31-2025.webp\" alt=\"suspots on august 31 2025\" class=\"wp-image-232160\" srcset=\"https:\/\/watchers.news\/wp-content\/uploads\/2025\/08\/suspots-on-august-31-2025.webp 851w, https:\/\/watchers.news\/wp-content\/uploads\/2025\/08\/suspots-on-august-31-2025-300x294.webp 300w, https:\/\/watchers.news\/wp-content\/uploads\/2025\/08\/suspots-on-august-31-2025-768x752.webp 768w, https:\/\/watchers.news\/wp-content\/uploads\/2025\/08\/suspots-on-august-31-2025-70x70.webp 70w\" sizes=\"auto, (max-width: 851px) 100vw, 851px\"\/><figcaption class=\"wp-element-caption\">Sunspots on August 31, 2025. Credit: NASA\/SDO HMI<\/figcaption><\/figure>\n<\/div>\n<p>Solar activity is forecast to remain at moderate levels over the next three days, with a 65% chance of M-class and a 20% chance of X-class solar flares through September 2.<\/p>\n<p><!-- MOLONGUI AUTHORSHIP PLUGIN 5.1.0 --><br \/>\n<!-- https:\/\/www.molongui.com\/wordpress-plugin-post-authors --><\/p>\n<\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/watchers.news\/2025\/08\/31\/long-duration-m2-7-solar-flare-earth-directed-cme-september-1-impact\/?rand=772108\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A long-duration solar flare measuring M2.7 at its peak erupted at 20:02 UTC on August 30, 2025. The eruption produced an asymmetric full halo coronal mass ejection (CME), with impact&hellip; <\/p>\n","protected":false},"author":1,"featured_media":798004,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[],"class_list":["post-798003","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-space-weather-reports"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/798003","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=798003"}],"version-history":[{"count":0,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/798003\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/798004"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=798003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=798003"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=798003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}