:Product: Solar Region Summary :Issued: 2017 Dec 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 361 Issued at 0030Z on 27 Dec 2017 Report compiled from data received at SWO on 26 Dec I. Regions with Sunspots. Locations Valid at 26/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2692 N18W35 087 0030 Cro 06 04 Beta IA. H-alpha Plages without Spots. Locations Valid at 26/ ...Continue Reading

:Product: Solar Region Summary :Issued: 2017 Dec 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 360 Issued at 0030Z on 26 Dec 2017 Report compiled from data received at SWO on 25 Dec I. Regions with Sunspots. Locations Valid at 25/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2692 N18W23 088 0100 Eao 11 07 Beta IA. H-alpha Plages without Spots. Locations Valid at 25/ ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #17-52 2017 December 24 at 7:12 p.m. MST (2017 December 25 0212 UTC) **** SPACE WEATHER OUTLOOK **** Summary For December 18-24 No space weather storms were observed during the summary period. Outlook For December 25-31 No space weather storms are expected during the outlook period. Data used to provide space weather services are contributed by NOAA, USAF, NASA, NSF ...Continue Reading

:Product: Solar Region Summary :Issued: 2017 Dec 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 359 Issued at 0030Z on 25 Dec 2017 Report compiled from data received at SWO on 24 Dec I. Regions with Sunspots. Locations Valid at 24/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2692 N18W09 087 0160 Eai 12 12 Beta IA. H-alpha Plages without Spots. Locations Valid at 24/ ...Continue Reading

:Product: Solar Region Summary :Issued: 2017 Dec 24 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 358 Issued at 0030Z on 24 Dec 2017 Report compiled from data received at SWO on 23 Dec I. Regions with Sunspots. Locations Valid at 23/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2692 N18E03 087 0090 Dao 10 12 Beta IA. H-alpha Plages without Spots. Locations Valid at 23/ ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2724 Issue Time: 2017 Dec 23 1903 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2723 Begin Time: 2017 Dec 17 2100 UTC Yesterday Maximum 2MeV Flux: 3001 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 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 357 Issued at 0030Z on 23 Dec 2017 Report compiled from data received at SWO on 22 Dec I. Regions with Sunspots. Locations Valid at 22/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2692 N18E16 089 0070 Dao 08 08 Beta IA. H-alpha Plages without Spots. Locations Valid at 22/ ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2723 Issue Time: 2017 Dec 22 1155 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2722 Begin Time: 2017 Dec 17 2100 UTC Yesterday Maximum 2MeV Flux: 2949 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 22 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 356 Issued at 0030Z on 22 Dec 2017 Report compiled from data received at SWO on 21 Dec I. Regions with Sunspots. Locations Valid at 21/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2692 N18E30 088 0070 Dao 08 08 Beta IA. H-alpha Plages without Spots. Locations Valid at 21/ ...Continue Reading

** Please note: There will be no Natural Hazard updates via email between December 23 and January 1. Happy New Year! ** The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- FIRES (1 updated event, 1 new image) -- FIRE SEASON IN THE WESTERN UNITED STATES Smoky wildfires plagued the western U.S. and Canada in the summer and autumn of 2017. * California's December Inferno (Image from Dec 18, 2017; Posted Dec 20, 2017) https://earth ...Continue Reading