The latest from NASA's Earth Observatory (22 June 2021) ------------------------------------------------------------------------ New Features: https://earthobservatory.nasa.gov/features * A Celebration of Clouds: From Space, Earth Has an Elegant Atmosphere https://earthobservatory.nasa.gov/Features/CloudsGallery/?src=eoa-features Clouds can be a nuisance when scientists are trying to observe features on Earth's surface. But at other times, clouds are exactly what they want to see. These images highlight some of th ...Continue Reading

Space Weather News for June 21, 2021 https://spaceweather.com https://www.spaceweatheralerts.com A MAJOR OUTBREAK OF NOCTILUCENT CLOUDS: Over the weekend, noctilucent clouds (NLCs) broke free of the Arctic Circle and spread across most of Europe. The blue clouds, made of frosted meteor smoke, were photographed south of Madrid, nearly breaking the all time record for low-latitude sightings. This means NLCs could soon be coming to you. Full story and observing tips @ Spaceweather.com. ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3147 Issue Time: 2021 Jun 21 0838 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3146 Begin Time: 2021 Jun 17 0835 UTC Yesterday Maximum 2MeV Flux: 4546 pfu NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Sub ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Jun 21 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 172 Issued at 0030Z on 21 Jun 2021 Report compiled from data received at SWO on 20 Jun I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2833 N25W27 210 0090 Cso 04 03 Beta IA. H-alpha Plages without Spots. Locations Valid at 20/ ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #21-27 2021 June 20 at 6:12 p.m. MDT (2021 June 21 0012 UTC) **** SPACE WEATHER OUTLOOK **** Summary For June 14-20 G1 (Minor) geomagnetic storm conditions were observed on 15 June due to negative polarity coronal hole high speed stream effects. No additional significant space weather events were observed during the summary period. Outlook For June 21-27 No significa ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3146 Issue Time: 2021 Jun 20 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3145 Begin Time: 2021 Jun 17 0835 UTC Yesterday Maximum 2MeV Flux: 4224 pfu NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Sub ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Jun 20 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 171 Issued at 0030Z on 20 Jun 2021 Report compiled from data received at SWO on 19 Jun I. Regions with Sunspots. Locations Valid at 19/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2833 N24W13 210 0120 Cso 05 05 Beta IA. H-alpha Plages without Spots. Locations Valid at 19/ ...Continue Reading

The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- DROUGHT (1 updated event, 1 new image) -- 2020-21 HEAT AND DROUGHT IN NORTH AMERICA Record-breaking heat and long-term rain and snow shortfalls parched the western United States and Mexico. * California Reservoirs Reflect Deepening Drought (Image from Jun 9, 2021; Posted Jun 17, 2021) https://earthobservatory.nasa.gov/images/148447/california-reservoirs-reflect-deepening-drough ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3144 Issue Time: 2021 Jun 18 0721 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3143 Begin Time: 2021 Jun 17 0835 UTC Yesterday Maximum 2MeV Flux: 4862 pfu NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Sub ...Continue Reading

The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- TEMPERATURE EXTREMES (1 updated event, 1 new image) -- * Records Fall in Early Summer Heatwave (Image from Jun 15, 2021; Posted Jun 16, 2021) https://earthobservatory.nasa.gov/images/148444/records-fall-in-early-summer-heatwave/?src=nha --------------------------------------------------------------------- Natural Hazards is a service of NASA Earth Observatory. https://naturalhaz ...Continue Reading