Friday, August 21, 2020 The PO.DAAC is pleased to announce the public release of the CYGNSS Level 1 (L1) Raw Intermediate Frequency (IF) and Full Delay Doppler Map (DDM) datasets from the Delay Doppler Mapping Instrument (DDMI) aboard the CYGNSS satellite constellation. The primary CYGNSS instrument, DDMI, measures the incoming radio frequency (RF) streams from three input antenna channels (2 nadir oriented science antennas and one zenith oriented navigation antenna) and processes them in real time into DDMs, which are ...Continue Reading

:Product: Solar Region Summary :Issued: 2020 Aug 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 234 Issued at 0030Z on 21 Aug 2020 Report compiled from data received at SWO on 20 Aug I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2772 N17W63 297 0010 Bxo 06 03 Beta IA. H-alpha Plages without Spots. Locations Valid at 20/ ...Continue Reading

The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- FIRES (1 updated event, 2 new images) -- 2020 FIRE SEASON IN THE WESTERN U.S. Fire season in the West can stretch from late spring until seasonal winter rains and snow arrive. Climate change has made recent warmer and drier, intensifying some natural fire cycles. * Thick Smoke Obscures California Skies (Image from Aug 19, 2020; Posted Aug 19, 2020) https://earthobservatory.nasa ...Continue Reading

:Product: Solar Region Summary :Issued: 2020 Aug 20 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 233 Issued at 0030Z on 20 Aug 2020 Report compiled from data received at SWO on 19 Aug I. Regions with Sunspots. Locations Valid at 19/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2772 N18W47 295 0030 Cro 05 05 Beta IA. H-alpha Plages without Spots. Locations Valid at 19/ ...Continue Reading

:Product: Solar Region Summary :Issued: 2020 Aug 19 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 232 Issued at 0030Z on 19 Aug 2020 Report compiled from data received at SWO on 18 Aug I. Regions with Sunspots. Locations Valid at 18/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2772 N18W36 296 0010 Bxo 01 02 Beta IA. H-alpha Plages without Spots. Locations Valid at 18/ ...Continue Reading

The latest from NASA's Earth Observatory (18 August 2020) ------------------------------------------------------------------------ Happy 20th anniversary to our sister site, Visible Earth! Cheers to 32,451 NASA images of Earth taken from space. Check out Visible Earth at https://visibleearth.nasa.gov/ -------------------- Latest Images: https://earthobservatory.nasa.gov/topic/image-of-the-day * How Birds Respond to Extreme Weather https://earthobservatory.nasa.gov/images/147105/how-birds-respond-to-extreme-weathe ...Continue Reading

The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- FIRES (1 updated event, 1 new image) -- 2020 FIRE SEASON IN THE WESTERN U.S. Fire season in the West can stretch from late spring until seasonal winter rains and snow arrive. Climate change has made recent warmer and drier, intensifying some natural fire cycles. * Four Fires in Colorado (Image from Aug 15, 2020; Posted Aug 17, 2020) https://earthobservatory.nasa.gov/images/1471 ...Continue Reading

*NASA History Listserv Readers:* Please join us on Wednesday August 26, 2020, 12:00pm Eastern time for our History Brown Bag talk: *William Causey*, *“John Houbolt: The Unsung Hero of the Apollo Moon Landings”* _ _ *Abstract*: In May 1961, President John F. Kennedy addressed Congress and announced that the United States should attempt to land a man on the moon and return him safely to the earth before the end of that decade. Although NASA had given some informal thought in ...Continue Reading

:Product: Solar Region Summary :Issued: 2020 Aug 18 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 231 Issued at 0030Z on 18 Aug 2020 Report compiled from data received at SWO on 17 Aug I. Regions with Sunspots. Locations Valid at 17/2400Z Nmbr Location Lo Area Z LL NN Mag Type None IA. H-alpha Plages without Spots. Locations Valid at 17/2400Z Aug Nmbr Location Lo 2771 ...Continue Reading

The following sections have been updated in the past 7 days. ------------------------------------------------------------------------ -- UNIQUE IMAGERY (1 updated event, 1 new image) -- RAIN AND FLOODING IN AUSTRALIA Heavy rains in Australia can have far-reaching consequences for both people and ecosystems. * Double Cloud Trouble (Image from Aug 10, 2020; Posted Aug 13, 2020) https://earthobservatory.nasa.gov/images/147115/double-cloud-trouble/?src=nha ----------------------------------------------------------- ...Continue Reading