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SNPP VIIRS Aerosol Product Latencies

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Presentation on theme: "SNPP VIIRS Aerosol Product Latencies"— Presentation transcript:

1 SNPP VIIRS Aerosol Product Latencies
Shobha Kondragunta NOAA/NESDIS Center for Satellite Applications and Research Note: All presentations will be uploaded to satelliteaqpg.psu.edu and an sent to workshop attendees. NOAA Satellite Aerosol Product Workshop September 13-14, 2016

2 Types of Aerosol Products
Operational Data are near real time, generated at NOAA Office of Satellite and Product Operations (OSPO) 24/7 support Data Access NRT data can be obtained through the Environmental Satellite Processing Center (ESPC) Must fill out the Data Access Request Form to NOAA-NESDIS For numerical models that need to assimilate the data. NCEP NOAA Satellite Aerosol Product Workshop September 13-14, 2016

3 Types of Aerosol Products
Archive OSPO sends near real time data to NOAA CLASS for archive and distribution Latency: 6 hours to one day Data time period: launch to present day. Data reside their permanently Data Access Order from CLASS website (registration is required) For science (research) users NOAA Satellite Aerosol Product Workshop September 13-14, 2016

4 Types of Aerosol Products
Reprocessed Entire or parts of time record re-generated when a new algorithm (e.g., EPS) comes online Latency: Subjective Data time period: launch to present day Data Access Request from product developers Eventually back filled at CLASS and can be ordered from CLASS. TBD For science users with particular applications related to climate quality datasets NOAA Satellite Aerosol Product Workshop September 13-14, 2016

5 Types of Aerosol Products
Direct Broadcast (DB) Product generated using DB data by product developers to meet user needs No 24/7 tech support Latency: ~2 hrs but 20 min can be achieved Data time period: launch to present day For forecasters (WFOs, state/local agencies) Data Access Imagery through eIDEA website 3-day rotating data files from ftp://ftp.star.nesdis.noaa.gov/pub/smcd/hzhang/VIIRS_NR T/

6 STAR Enterprise AOT, SM, and Fire Algorithms ESRL Aerosol Assimilation
SNPP VIIRS Data (UW and UAF) and UAF CSPP: Community Satellite Processing Package SDR: Sensor Data Record VCM: VIIRS Cloud Mask 20 min SDRs VCM 2 hrs FTP pull to STAR computers STAR Enterprise AOT, SM, and Fire Algorithms AWIPS-II eIDEA NCEP ESRL Aerosol Assimilation

7 Direct Broadcast data from UW-Madison
Observation time Time when SDRs are available

8 UW site coverage NOAA Satellite Aerosol Product Workshop
September 13-14, 2016

9 User Feedback Forecasters from PA, CT, VA: VIIRS aerosol products very useful for forecasting air quality in the mid-Atlantic region when transported smoke from fires in Alaska and Canada impacts local air quality. Forecasters from GA: Expand the spatial coverage to capture dust transport events. Transported dust impacts regional air quality in the US. Latency: Products not available on time for air quality forecasters who have a 2:45 PM deadline to issue the forecast. NOAA Satellite Aerosol Product Workshop September 13-14, 2016

10 Way Forward Implement/update algorithms to CSPP software so products are generated at DB locations and then distributed Some risk involved but protocols can be established NOAA Satellite Aerosol Product Workshop September 13-14, 2016

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