The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- UNIQUE IMAGERY (1 updated event, 1 new image) -- SNOW IN THE SOUTHEASTERN UNITED STATES A band of snow spanned several U.S. states in early December, 2017. * A Band of Snow in the Southeast (Image from Dec 11, 2017; Posted Dec 12, 2017) https://earthobservatory.nasa.gov/NaturalHazards/view.php?id=91424&src=nha -------------------------------------------------------------------- ...Continue Reading

------------------------------------------------------------------------ The following sections have been updated in the past 7 days. ------------------------------------------------------------------------ -- FIRES (1 updated event, 5 new images) -- Why the SoCal Fires are So Fierce With thousands of homes threatened by intense wildfires burning in southern California, we checked in with NASA Propulsion Laboratory scientist Natasha Stavros to learn more about the destructive blazes. https://earthobservatory.nasa ...Continue Reading

The following sections have been updated in the past 3 days. ------------------------------------------------------------------------ -- FIRES (1 updated event, 2 new images) -- FIRE SEASON IN THE WESTERN UNITED STATES Smoky wildfires plagued the western U.S. and Canada in the summer and autumn of 2017. * Fires Continue to Rage in Southern California (Image from Dec 9, 2017; Posted Dec 11, 2017) https://earthobservatory.nasa.gov/NaturalHazards/view.php?id=91421&src=nha * Fast-Moving Fire Sweeps Through Ventur ...Continue Reading

:Product: Solar Region Summary :Issued: 2017 Dec 12 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 346 Issued at 0030Z on 12 Dec 2017 Report compiled from data received at SWO on 11 Dec I. Regions with Sunspots. Locations Valid at 11/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2691 S03E29 220 0010 Bxo 01 03 Beta IA. H-alpha Plages without Spots. Locations Valid at 11/ ...Continue Reading

Space Weather News for Dec. 11, 2017 http://spaceweather.com https://www.facebook.com/spaceweatherdotcom A "ROCK COMET" IS APPROACHING EARTH: You've heard of comets. But have you ever heard of a rock comet? They exist, and a big one is approaching Earth this week. 3200 Phaethon will fly past our planet on Dec. 16th only 10 million km away. Measuring some 5 km in diameter, it is large enough for amateur astronomers to photograph through backyard telescopes. Moreover, this strange obje ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #17-50 2017 December 10 at 6:56 p.m. MST (2017 December 11 0156 UTC) **** SPACE WEATHER OUTLOOK **** Summary For December 4-10 G1 (Minor) geomagnetic storms were observed on 05 December due to influence from a positive polarity coronal hole high speed stream. Outlook For December 11-17 No space weather storms are expected. Data used to provide space weather services ...Continue Reading

:Product: Solar Region Summary :Issued: 2017 Dec 11 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 345 Issued at 0030Z on 11 Dec 2017 Report compiled from data received at SWO on 10 Dec I. Regions with Sunspots. Locations Valid at 10/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2691 S03E42 221 0010 Axx 01 01 Alpha IA. H-alpha Plages without Spots. Locations Valid at 10 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2717 Issue Time: 2017 Dec 10 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2716 Begin Time: 2017 Dec 06 1340 UTC Yesterday Maximum 2MeV Flux: 4185 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: 2017 Dec 10 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 344 Issued at 0030Z on 10 Dec 2017 Report compiled from data received at SWO on 09 Dec I. Regions with Sunspots. Locations Valid at 09/2400Z Nmbr Location Lo Area Z LL NN Mag Type None IA. H-alpha Plages without Spots. Locations Valid at 09/2400Z Dec Nmbr Location Lo 2690 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2716 Issue Time: 2017 Dec 09 0751 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2715 Begin Time: 2017 Dec 06 1340 UTC Yesterday Maximum 2MeV Flux: 3376 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