The latest from NASA's Earth Observatory (5 December 2017) ------------------------------------------------------------------------ New Notes from the Field: ICESat-2 Antarctic Traverse https://earthobservatory.nasa.gov/blogs/fromthefield/category/icesat-2-antarctic-traverse/?src=eoa-features In December 2017, NASA scientists begin an Antarctic traverse in giant snow machines along the line of latitude at 88°S. Ground-based measurements of the ice sheet's elevation will be compared with measurements from ICESat- ...Continue Reading

The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- SEVERE STORMS (1 updated event, 1 new image) -- CYCLONE OCKHI Cycylone Ockhi stirred up the Arabian Sea in early December 2017 before making landfall in India. * Cyclone Ockhi (Image from Dec 4, 2017; Posted Dec 6, 2017) https://earthobservatory.nasa.gov/NaturalHazards/view.php?id=91364&src=nha --------------------------------------------------------------------- Natural Hazard ...Continue Reading

:Product: Solar Region Summary :Issued: 2017 Dec 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 339 Issued at 0030Z on 05 Dec 2017 Report compiled from data received at SWO on 04 Dec I. Regions with Sunspots. Locations Valid at 04/2400Z Nmbr Location Lo Area Z LL NN Mag Type None IA. H-alpha Plages without Spots. Locations Valid at 04/2400Z Dec Nmbr Location Lo None ...Continue Reading

The following sections have been updated in the past 3 days. ------------------------------------------------------------------------ -- DUST AND HAZE (1 updated event, 1 new image) -- DUST STORM IN IRAN Winds lofted sand and dust particles over the Great Salt Desert. * Dust in the Dasht-e Kavir (Image from Nov 25, 2017; Posted Dec 1, 2017) https://earthobservatory.nasa.gov/NaturalHazards/view.php?id=91352&src=nha --------------------------------------------------------------------- Natural Hazards is a service ...Continue Reading

The following sections have been updated in the past 7 days. ------------------------------------------------------------------------ -- DUST AND HAZE (1 updated event, 1 new image) -- DUST STORM IN IRAN Winds lofted sand and dust particles over the Great Salt Desert. * Dust in the Dasht-e Kavir (Image from Nov 25, 2017; Posted Dec 1, 2017) https://earthobservatory.nasa.gov/NaturalHazards/view.php?id=91352&src=nha -- VOLCANOES (1 updated event, 2 new images) -- VOLCANIC ACTIVITY AT MOUNT AGUNG Since August 201 ...Continue Reading

Space Weather News for Dec. 4, 2017 http://spaceweather.com https://www.facebook.com/spaceweatherdotcom GEOMAGNETIC STORM PREDICTED (G2-CLASS): A high-speed stream of solar wind is approaching Earth, and NOAA forecasters say there is a 75% chance of polar geomagnetic storms when it arrives during the late hours of Dec. 4th. Periods of moderately-strong G2-class storming on Dec. 4th and 5th could send Northern Lights spilling across the Canadian border into upper-tier US states; affect shortwav ...Continue Reading

:Product: Solar Region Summary :Issued: 2017 Dec 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 338 Issued at 0030Z on 04 Dec 2017 Report compiled from data received at SWO on 03 Dec 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 Dec Nmbr Location Lo None ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #17-49 2017 December 3 at 5:18 p.m. MST (2017 December 4 0018 UTC) **** SPACE WEATHER OUTLOOK **** Summary For November 27-December 3 No significant space weather storms were observed during the summary period. Outlook For December 4-10 G1 (Minor) geomagnetic storms are likely on 04-06 Dec with G2 (moderate) geomagnetic storms likely on 04-05 Dec due to CH HSS effects. ...Continue Reading

:Product: Solar Region Summary :Issued: 2017 Dec 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 337 Issued at 0030Z on 03 Dec 2017 Report compiled from data received at SWO on 02 Dec 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 Dec Nmbr Location Lo None ...Continue Reading

Space Weather News for Dec. 2, 2017 http://spaceweather.com https://www.facebook.com/spaceweatherdotcom WATCH OUT FOR THE SUPERMOON: This weekend's full Moon is the biggest and brightest full Moon of 2017, almost 8% wider and 16% brighter than average. The extra dose of luminosity, which peaks on Sunday night, Dec. 3rd, is going to cast unusually sharp midnight shadows as this "supermoon" lights up the wintry landscape of the northern hemisphere. Visit today's edition of Spaceweather ...Continue Reading