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Path: eternal-september.org!news.eternal-september.org!feeder3.eternal-september.org!panix!.POSTED.panix6.panix.com!rri.panix.com!robomod!not-for-mail From: SWPC.Webmaster@noaa.gov Newsgroups: rec.radio.amateur.dx,rec.radio.amateur.space,rec.radio.shortwave,rec.radio.info Subject: Weekly Highlights of Solar and Geomagnetic Activity, 29 July - 04 August 2024 Followup-To: rec.radio.amateur.dx,rec.radio.amateur.space,rec.radio.shortwave Date: Mon, 5 Aug 2024 13:00:08 EDT Organization: NOAA Space Weather Prediction Center Approved: RRI Admin <rec-radio-info-request@panix.com> Message-ID: <4Wd2js2c25z1ZSt@panix2.panix.com> Injection-Info: reader1.panix.com; posting-host="panix6.panix.com:166.84.1.6"; logging-data="21232"; mail-complaints-to="abuse@panix.com" X-RRI-Policy: http://www.panix.com/~rram/usenet/rri/index.html X-RRI-Info-1: Send submissions to rec-radio-info@panix.com X-RRI-Info-2: Send technical complaints to rec-radio-info-request@panix.com X-RRI-Info-3: Send complaints about policy to rec-radio-info-request@panix.com X-Comment-1: The moderators do not necessarily agree or disagree with this article. X-Comment-2: Moderators do not verify the accuracy of posted information. X-Comment-3: Acceptance does not convey approval of any external references. X-Robomod: STUMP, ichudov@algebra.com (Igor Chudov), C++/Perl/Unix Consulting X-Moderation-1: Hassle-Free commercial hosting of moderation sites available X-Moderation-2: See http://www.algebra.com/~ichudov/stump :Product: Weekly Highlights and Forecasts :Issued: 2024 Aug 05 0210 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # https://www.swpc.noaa.gov/content/subscription-services # # Weekly Highlights and Forecasts # Highlights of Solar and Geomagnetic Activity 29 July - 04 August 2024 Solar activity was at high levels throughout the period. A total of 63 M-flares (51 R1-Minor events, 12 R2-Moderate events) and one X-flare (R3-Strong event) were observed during the course of the week from 13 unique regions. The largest event was an impulsive X1.5/2b flare at 29/0237 UTC, with associated 300 sfu Tenflare and 535 km/s Type-II sweep, from Region 3766. No proton events were observed at geosynchronous orbit. The greater than 2 MeV electron flux at geosynchronous orbit was at normal to moderate levels. Geomagnetic field activity reached G1 (Minor) storm levels on 30 Jul-01 Aug due to the arrival and passage of multiple CMEs that left the Sun over 27-29 Jul. G1-G3 (Minor-Strong) storm periods were observed on 04 Aug following the arrival of a CME that left the Sun on 01 Aug. Quiet and quiet to unsettled levels were observed throughout the remainder of the period. Forecast of Solar and Geomagnetic Activity 05 August - 31 August 2024 Solar activity is expected to be at moderate to high levels throughout the outlook period. M-class flares are expected with a chance for X-class flares through 31 Aug. There is a slight chance for S1 (Minor) solar radiation storms throughout the outlook period. The greater than 2 MeV electron flux at geosynchronous orbit is expected to be at normal to moderate levels. An Isolated period of G1 (Minor) storms are possible on 05 Aug due to waning CME influences. Geomagnetic field activity is expected to be mostly quiet and quiet to unsettled over 06-31 Aug.