*Tournament Earth - Astronaut Photography Edition* It is time for the final countdown. We started on March 8 with 32 of our favorite photographs of Earth shot from the International Space Station, and now just two are left to compete. Which photo will reign in the 2021 tournament? Will it be a composite of stars in motion over the Americas, shot by astronaut Don Pettit in 2012? Or will it be an alkaline Turkish lake, captured in 2016 by astronaut Kate Rubins? Voting ends April 12… *Vote now* ** ...Continue Reading

The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- VOLCANOES (1 updated event, 1 new image) -- PACAYA VOLCANO The volcano in Guatemala has been producing persistent strombolian eruptions since the 1960s. * Pacaya Heats Up (Image from Mar 29, 2021; Posted Apr 6, 2021) https://earthobservatory.nasa.gov/images/148150/pacaya-heats-up/?src=nha --------------------------------------------------------------------- Natural Hazards is a ...Continue Reading

Space Weather News for April 7, 2021 https://spaceweather.com https://www.spaceweatheralerts.com SPRITE SEASON BEGINS: This week, a magnificent display of jellyfish sprites over Kansas kicked off the spring season for upward-directed "space lightning." The fast-moving red forms were even visible to the unaided eye. Get the full story and observing tips @ Spaceweather.com. Solar flare alerts: Sign up for Space Weather Alerts and receive an instant text message when solar flares are u ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Apr 07 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 97 Issued at 0030Z on 07 Apr 2021 Report compiled from data received at SWO on 06 Apr I. Regions with Sunspots. Locations Valid at 06/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2813 N20W65 160 0000 Axx 00 01 Alpha IA. H-alpha Plages without Spots. Locations Valid at 06/ ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Apr 06 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 96 Issued at 0030Z on 06 Apr 2021 Report compiled from data received at SWO on 05 Apr I. Regions with Sunspots. Locations Valid at 05/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2813 N20W50 158 0005 Axx 01 01 Alpha IA. H-alpha Plages without Spots. Locations Valid at 05/ ...Continue Reading

The following sections have been updated in the past 7 days. ------------------------------------------------------------------------ -- MANMADE (1 updated event, 1 new image) -- SUEZ CANAL In March 2021, ships backed up around the Suez Canal while a grounded container ship blocked the key shipping route. * Traffic Jam on the Suez Canal (Image from Mar 27, 2021; Posted Mar 29, 2021) https://earthobservatory.nasa.gov/images/148114/traffic-jam-on-the-suez-canal/?src=nha ------------------------------------------- ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #21-16 2021 April 4 at 8:37 p.m. MDT (2021 April 5 0237 UTC) **** SPACE WEATHER OUTLOOK **** Summary For March 29-April 4 No space weather storms were observed during the summary period. Outlook For April 5-11 No space weather storms are expected during the outlook period. Data used to provide space weather services are contributed by NOAA, USAF, NASA, NSF, USGS, th ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Apr 05 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 95 Issued at 0030Z on 05 Apr 2021 Report compiled from data received at SWO on 04 Apr I. Regions with Sunspots. Locations Valid at 04/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2813 N21W37 159 0010 Axx 01 01 Alpha IA. H-alpha Plages without Spots. Locations Valid at 04/ ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Apr 04 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 94 Issued at 0030Z on 04 Apr 2021 Report compiled from data received at SWO on 03 Apr I. Regions with Sunspots. Locations Valid at 03/2400Z Nmbr Location Lo Area Z LL NN Mag Type None IA. H-alpha Plages without Spots. Locations Valid at 03/2400Z Apr Nmbr Location Lo 2812 N ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Apr 03 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 93 Issued at 0030Z on 03 Apr 2021 Report compiled from data received at SWO on 02 Apr I. Regions with Sunspots. Locations Valid at 02/2400Z Nmbr Location Lo Area Z LL NN Mag Type None IA. H-alpha Plages without Spots. Locations Valid at 02/2400Z Apr Nmbr Location Lo 2812 N ...Continue Reading