jpss atms overview - satellite conferences...the microwave products are used for many nowcasting,...
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NOAA SATELLITE CONFERENCE 2017 1
JPSS ATMS OVERVIEW
Joint Polar Satellite System (JPSS)
Mitch GoldbergProgram Scientist
Joint Polar Satellite SystemNational Environmental Satellite, Data, and Information ServiceU.S. National Oceanic and Atmospheric AdministrationU.S. Department of Commerce
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Why polar? Why JPSS?
Observation Type and % Impact to Reducing Forecast Errors
3-day Forecast
5-day Forecast
7-day Forecast
10-day Forecast
Credit: ECMWF
Microwave and Infrared Sounders have Huge Impacts in Forecasts
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JPSS Program • OFFICIAL USE ONLY 3
Sounding data provides:§ 3-D temperature and moisture profiles§ Rainfall rates§ Snow/ice information
Advanced Technology Microwave Sounder (ATMS)
Higher resolution—Wider swath—Much smaller gaps between passes
Resolution: ATMS vs. AMSU
Sounding data improves:§ Short- and medium-term forecasting§ Storm tracking
Rainfall rates during Hurricane Sandy
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NOAA SATELLITE CONFERENCE 2017 4
ATMS – channels are selected to observed atmospheric temperature, water vapor, surface emission, scattering
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NOAA SATELLITE CONFERENCE 2017 5
ATMS Weighting Functions
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NOAA SATELLITE CONFERENCE 2017 6
JPSS Program Data Products
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NOAA SATELLITE CONFERENCE 2017 7
ATMS Products
https://www.star.nesdis.noaa.gov/jpss/EDRs/products_MiRS.php
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NOAA SATELLITE CONFERENCE 2017 8
Example of lower tropospheric Temperature
ATMS penetration of clouds reveals the transport of the Polar Vortex that impacted the US with large swath of record cold temperatures. The peak for DC area was 1/7/14. Above left are vertical cross-sections of temperature comparing January 4 with January 6, showing normal air temperature at ~ 23000 feet (-45 to -10 F, Winter) reached the surface on 1/6/14.
Credit: NESDIS/STAR
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ATMS Measures Vertical Profiles
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HWRF-NCEP Operational Modified HWRF-NCEP with ATMS
DirectAssimilationofATMSintoModels
Thanks to Fuzhong Weng
Experimental results showing improvements in Sandy track forecasts from Hurricane Weather Research Forecast model with ATMS
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ATMS Monitors Snow
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ATMS Monitors Ice
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NOAA SATELLITE CONFERENCE 2017 13
MiRS V11 Rainfall:Typhoon Neoguri on 7 July 2014
LiquidWaterPath(RWP+CLW),mm
RainRate,mm/h
• SNPP/ATMSdata
• CycloneimpactedOkinawaon8July
VIIRSimage
RR>20mm/hconsistentwithreportspost-landfall(e.g.340mmin24h)
MiyazakiPrefecture
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Multiple Orbits Create Better Coverage
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NOAA SATELLITE CONFERENCE 2017 15
Atmospheric Rivers from Microwave Sounders
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NOAA SATELLITE CONFERENCE 2017 16
ATMS and our legacy microwave sounders provides critical data for weather forecasting.
The microwave products are used for many nowcasting, hydrological and climate applications including:
Hurricane intensityRainfall ratesSnowfall rates and snow water equivalent Snow and Ice monitoringLong-term records of atmospheric temperature and water vapor.
Summary