Space Weather Message Code: WARPC0 Serial Number: 87 Issue Time: 2021 Oct 28 1747 UTC WARNING: Proton 100MeV Integral Flux above 1pfu expected Valid From: 2021 Oct 28 1635 UTC Valid To: 2021 Oct 29 1200 UTC Warning Condition: Onset NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: An enhancement in the energetic portion of the solar radiation spectrum may indicate increased biological risk to astronauts or passengers and crew in high latitud ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Oct 28 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 301 Issued at 0030Z on 28 Oct 2021 Report compiled from data received at SWO on 27 Oct I. Regions with Sunspots. Locations Valid at 27/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2886 S19W55 334 0090 Hsx 02 01 Alpha 2887 S26E04 275 0250 Dhi 08 26 Beta-Gamma 2889 S2 ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Oct 27 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 300 Issued at 0030Z on 27 Oct 2021 Report compiled from data received at SWO on 26 Oct I. Regions with Sunspots. Locations Valid at 26/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2886 S20W41 333 0100 Hsx 02 01 Alpha 2887 S26E15 277 0370 Dhi 08 20 Beta 2888 S13E39 ...Continue Reading

The latest from NASA's Earth Observatory (26 October 2021) ------------------------------------------------------------------------ New Features: https://earthobservatory.nasa.gov/features * Falling for the Colors https://earthobservatory.nasa.gov/collection/1692/fall-colors?src=eoa-features As green chlorophyll fades from trees and plants each autumn, other pigments color the Earth's landscapes. Satellites take leaf-peeping to a whole new level. -------------------- Latest Images: https://earthobservatory.nasa. ...Continue Reading

The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- SEVERE STORMS (1 updated event, 1 new image) -- NORTHERN HEMISPHERE SUMMER EXTREMES 2021 Although they can happen any time of the year, here's a look at some extreme events occurring during the summer months north of the equator. * Extratropical Cyclones Drench West Coast (Image from Oct 25, 2021; Posted Oct 25, 2021) https://earthobservatory.nasa.gov/images/148999/extratropica ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Oct 26 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 299 Issued at 0030Z on 26 Oct 2021 Report compiled from data received at SWO on 25 Oct I. Regions with Sunspots. Locations Valid at 25/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2886 S19W29 335 0110 Hsx 01 01 Alpha 2887 S26E27 279 0330 Dki 07 20 Beta-Gamma 2888 S1 ...Continue Reading

The following sections have been updated in the past 7 days. ------------------------------------------------------------------------ -- VOLCANOES (1 updated event, 1 new image) -- ERUPTION AT LA PALMA Cumbre Vieja, one of two volcanoes on La Palma, is one of the most active volcanoes in the Canaries. * Sulfur Skies over La Palma (Image from Oct 18, 2021; Posted Oct 20, 2021) https://earthobservatory.nasa.gov/images/148978/sulfur-skies-over-la-palma/?src=nha -- DROUGHT (1 updated event, 1 new image) -- 2021 DR ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #21-46 2021 October 24 at 9:53 p.m. MDT (2021 October 25 0353 UTC) **** SPACE WEATHER OUTLOOK **** Summary For October 18-24 No space weather storms were observed. Outlook For October 25-31 There is a slight chance for R1-R2 (Minor-Moderate) radio blackouts on 25-31 Oct due to the flare potential of Active Region 2887. Data used to provide space weather services are ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Oct 25 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 298 Issued at 0030Z on 25 Oct 2021 Report compiled from data received at SWO on 24 Oct I. Regions with Sunspots. Locations Valid at 24/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2886 S19W15 334 0110 Hsx 02 01 Alpha 2887 S25E40 278 0440 Dki 09 14 Beta 2888 S15E66 ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Oct 23 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 296 Issued at 0030Z on 23 Oct 2021 Report compiled from data received at SWO on 22 Oct I. Regions with Sunspots. Locations Valid at 22/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2886 S19E10 335 0100 Hsx 02 01 Alpha 2887 S24E65 280 0150 Dao 05 07 Beta IA. H-alpha P ...Continue Reading