The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- SEVERE STORMS (2 updated events, 3 new images) -- NORTHWEST PACIFIC BASIN TROPICAL CYCLONES (2017) More tropical cyclones emerge from the Northwest Pacific Basin each year than any other basin in the world. * Typhoon Talim (Image from Sep 14, 2017; Posted Sep 14, 2017)     https://earthobservatory.nasa.gov/NaturalHazards/view.php?id=90983&src=nha  HURRICANE IRMA The 2 ...Continue Reading

:Product: Solar Region Summary :Issued: 2017 Sep 14 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 257 Issued at 0030Z on 14 Sep 2017 Report compiled from data received at SWO on 13 Sep I. Regions with Sunspots. Locations Valid at 13/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2680 N09E26 317 0120 Hsx 02 01 Alpha IA. H-alpha Plages without Spots. Locations Valid at 13 ...Continue Reading

The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- SEVERE STORMS (1 updated event, 1 new image) -- TROPICAL CYCLONES IN THE NORTHWEST PACIFIC BASIN More tropical cyclones emerge from the Northwest Pacific Basin than any other basin in the world. * Two Cyclones Stir Up Asian Waters (Image from Sep 13, 2017; Posted Sep 13, 2017) https://earthobservatory.nasa.gov/NaturalHazards/view.php?id=90972&src=nha -------------------------------- ...Continue Reading

Space Weather Message Code: WARPC0 Serial Number: 86 Issue Time: 2017 Sep 13 1145 UTC EXTENDED WARNING: Proton 100MeV Integral Flux above 1pfu expected Extension to Serial Number: 85 Valid From: 2017 Sep 10 1630 UTC Now Valid Until: 2017 Sep 13 2359 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: An enhancement in the energetic portion of the solar radiation spectrum may indicate increased biological ris ...Continue Reading

:Product: Solar Region Summary :Issued: 2017 Sep 13 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 256 Issued at 0030Z on 13 Sep 2017 Report compiled from data received at SWO on 12 Sep I. Regions with Sunspots. Locations Valid at 12/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2680 N09E39 317 0140 Hsx 02 01 Alpha IA. H-alpha Plages without Spots. Locations Valid at 12 ...Continue Reading

The latest from NASA's Earth Observatory (12 September 2017) ------------------------------------------------------------------------ Latest Images: https://earthobservatory.nasa.gov/IOTD/ * Drought Recovery Taking Longer   https://earthobservatory.nasa.gov/IOTD/view.php?id=90787&src=eoa-iotd * Hurricane Irma Turns Caribbean Islands Brown    https://earthobservatory.nasa.gov/IOTD/view.php?id=90952&src=eoa-iotd * Hurricane Irma Strikes Florida   https://earthobservatory.nasa.gov/IOTD/v ...Continue Reading

Space Weather Message Code: WARPC0 Serial Number: 85 Issue Time: 2017 Sep 12 2049 UTC EXTENDED WARNING: Proton 100MeV Integral Flux above 1pfu expected Extension to Serial Number: 84 Valid From: 2017 Sep 10 1630 UTC Now Valid Until: 2017 Sep 13 1200 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: An enhancement in the energetic portion of the solar radiation spectrum may indicate increased biological ris ...Continue Reading

The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- SEVERE STORMS (1 updated event, 1 new image) -- HURRICANE IRMA The 2017 Atlantic hurricane season continued, as Irma formed in the eastern Atlantic and strengthened east of the Caribbean. * Hurricane Irma Turns Caribbean Islands Brown (Image from Sep 10, 2017; Posted Sep 12, 2017) https://earthobservatory.nasa.gov/NaturalHazards/view.php?id=90952&src=nha --------------------- ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2661 Issue Time: 2017 Sep 12 1016 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2660 Begin Time: 2017 Sep 08 1935 UTC Yesterday Maximum 2MeV Flux: 5361 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

Space Weather News for Sept. 12, 2017 http://spaceweather.com https://www.facebook.com/spaceweatherdotcom GROUND LEVEL RADIATION EVENT: Sunday's powerful X8-class solar flare from departing sunspot AR2673 accelerated a swarm of protons toward Earth, producing a strong solar radiation storm and a "ground level event" (GLE). High-energy particles normally held at bay by Earth's atmosphere and magnetic field penetrated all the way to the ground on Sept. 10th. A leading analyst of GLEs s ...Continue Reading