The following sections have been updated in the past 7 days. ------------------------------------------------------------------------ -- SEVERE STORMS (1 updated event, 3 new images) -- HURRICANE MARIA Evolving from category 1 to category 5 in less than 18 hours, Hurricane Maria brought destruction to several Caribbean islands. + Torrential Rainfall in Puerto Rico (Image from Sep 21, 2017; Posted Sep 24, 2017) https://earthobservatory.nasa.gov/NaturalHazards/view.php?id=91012&src=nha + Hurricane Maria Lashe ...Continue Reading

The following sections have been updated in the past 3 days. ------------------------------------------------------------------------ -- SEVERE STORMS (1 updated event, 1 new image) -- HURRICANE MARIA Evolving from category 1 to category 5 in less than 18 hours, Hurricane Maria brought destruction to several Caribbean islands. * Torrential Rainfall in Puerto Rico (Image from Sep 21, 2017; Posted Sep 24, 2017) https://earthobservatory.nasa.gov/NaturalHazards/view.php?id=91012&src=nha ----------------------------- ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #17-39 2017 September 24 at 9:51 p.m. MDT (2017 September 25 0351 UTC) **** SPACE WEATHER OUTLOOK **** Summary For September 18-24 G1 (Minor) geomagnetic storm conditions were observed on 18 Sep due to coronal hole high speed stream influence. No other significant space weather was observed during the summary period. Outlook For September 25-October 1 G1 (Minor) geom ...Continue Reading

:Product: Solar Region Summary :Issued: 2017 Sep 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 268 Issued at 0030Z on 25 Sep 2017 Report compiled from data received at SWO on 24 Sep I. Regions with Sunspots. Locations Valid at 24/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2681 S13E19 179 0090 Hsx 02 01 Alpha 2682 S09E71 127 0180 Hsx 03 01 Alpha IA. H-alpha ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2671 Issue Time: 2017 Sep 24 1105 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2670 Begin Time: 2017 Sep 15 0830 UTC Yesterday Maximum 2MeV Flux: 2143 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 Sep 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 267 Issued at 0030Z on 24 Sep 2017 Report compiled from data received at SWO on 23 Sep I. Regions with Sunspots. Locations Valid at 23/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2681 S13E32 179 0090 Cso 03 02 Beta IA. H-alpha Plages without Spots. Locations Valid at 23/ ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2670 Issue Time: 2017 Sep 23 1206 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2669 Begin Time: 2017 Sep 15 0830 UTC Yesterday Maximum 2MeV Flux: 36942 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 Su ...Continue Reading

:Product: Solar Region Summary :Issued: 2017 Sep 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 266 Issued at 0030Z on 23 Sep 2017 Report compiled from data received at SWO on 22 Sep I. Regions with Sunspots. Locations Valid at 22/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2680 N07W93 319 0060 Hsx 02 01 Alpha 2681 S13E46 180 0080 Hsx 02 01 Alpha IA. H-alpha ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2669 Issue Time: 2017 Sep 22 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2668 Begin Time: 2017 Sep 15 0830 UTC Yesterday Maximum 2MeV Flux: 30386 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 Su ...Continue Reading

:Product: Solar Region Summary :Issued: 2017 Sep 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 265 Issued at 0030Z on 22 Sep 2017 Report compiled from data received at SWO on 21 Sep I. Regions with Sunspots. Locations Valid at 21/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2680 N08W80 318 0050 Hsx 02 01 Alpha 2681 S13E59 179 0080 Hsx 02 01 Alpha IA. H-alpha ...Continue Reading