The following sections have been updated in the past 7 days. ------------------------------------------------------------------------ -- SEVERE STORMS (1 updated events, 2 new images) -- TYPHOON DOLPHIN Typhoon Dolphin tracks across the Pacific Ocean. * http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=85924&src=nha *** Image from May 16, 2015 (Posted on May 22, 2015 1:46 PM) * http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=85897&src=nha *** Image from May 18, 2015 (Posted on May 18, 2015 ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #15-21 2015 May 25 at 2:18 a.m. MDT (2015 May 25 0818 UTC) **** SPACE WEATHER OUTLOOK **** Summary For May 18-24 Category G1 (Minor) geomagnetic storming occurred on 18 May while category G2 (Moderate) geomagnetic storming occurred on 19 May due to coronal hole high speed stream effects. Outlook For May 25-31 A chance for R1-R2 (Minor-Moderate) radio blackouts exists fr ...Continue Reading

:Product: Solar Region Summary :Issued: 2015 May 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 145 Issued at 0030Z on 25 May 2015 Report compiled from data received at SWO on 24 May I. Regions with Sunspots. Locations Valid at 24/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2348 S12W72 025 0030 Hsx 02 01 Alpha 2349 S21W49 002 0060 Dao 05 08 Beta 2353 N07W31 ...Continue Reading

:Product: Solar Region Summary :Issued: 2015 May 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 144 Issued at 0030Z on 24 May 2015 Report compiled from data received at SWO on 23 May I. Regions with Sunspots. Locations Valid at 23/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2348 S12W59 025 0040 Hsx 02 01 Alpha 2349 S21W36 002 0040 Cao 06 05 Beta 2352 N05W03 ...Continue Reading

:Product: Solar Region Summary :Issued: 2015 May 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 143 Issued at 0030Z on 23 May 2015 Report compiled from data received at SWO on 22 May I. Regions with Sunspots. Locations Valid at 22/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2346 S05W82 060 0010 Bxo 03 02 Beta 2348 S11W45 024 0050 Hsx 01 01 Alpha 2349 S21W20 ...Continue Reading

Space Weather News for May 22, 2015 http://spaceweather.com NOCTILUCENT CLOUDS: NASA's AIM spacecraft has spotted a luminous patch of electric-blue drifting across the Arctic Circle. The sighting marks the beginning of the 2015 season for northern-hemisphere noctilucent clouds (NLCs). Long ago, NLCs were a polar phenomenon confined mainly to the Arctic. In recent years, however, they have intensified and spread, with sightings as far south as Utah and Colorado. Learn more about these exotic clouds and how you might s ...Continue Reading

:Product: Solar Region Summary :Issued: 2015 May 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 142 Issued at 0030Z on 22 May 2015 Report compiled from data received at SWO on 21 May I. Regions with Sunspots. Locations Valid at 21/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2346 S06W69 061 0020 Cro 04 02 Beta 2348 S11W32 024 0040 Hax 02 01 Alpha 2349 S21W10 ...Continue Reading

:Product: Solar Region Summary :Issued: 2015 May 21 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 141 Issued at 0030Z on 21 May 2015 Report compiled from data received at SWO on 20 May I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2342 N18W92 096 0010 Bxo 10 01 Beta 2344 S10W67 073 0010 Cro 03 01 Beta 2346 S06W55 ...Continue Reading

The following sections have been updated in the past 1 days. ------------------------------------------------------------------------ -- SEVERE STORMS (1 updated events, 1 new images) -- TYPHOON DOLPHIN Typhoon Dolphin tracks across the Pacific Ocean. * http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=85897&src=nha *** Image from May 18, 2015 (Posted on May 18, 2015 4:11 PM) --------------------------------------------------------------------- Natural Hazards is a service of NASA's Earth Observatory. ht ...Continue Reading

The latest from NASA's Earth Observatory (19 May 2015) ------------------------------------------------------------------------ New Features: http://earthobservatory.nasa.gov/Features/ * Science in a Dark Freezer: A Tale of Icy Beards, Frozen Tools, and Wintering Over at the South Pole http://earthobservatory.nasa.gov/Features/Benson/?src=eoa-features NASA scientist Robert Benson was one of “eighteen crazy men and a dog” who set up the first permanent science base at the South Pole. --------- ...Continue Reading