The 21st International TOVS Study Conference, 29 November ~ 5 December, Darmstadt, Germany

Jin Woo†, DaHye Bae, Hyunjong Oh, Yongsang Kim Satellite Operation Division, National Meteorological Satellite Center(NMSC), Korea Meteorological Administration(KMA)

†superjwoo@korea.kr

Current Status and Future Plan of Direct-Readout LEO Weather Satellite Operation in NMSC/KMA for supporting NWP

KMA Korea Meteorological Administration

2. Operational Scheme of NMSC NMSC operates three antenna systems with priority for each LEO satellite reception. After receiving the raw data, data processing is performed using the respective package software such as AAPP and CSPP. The processed data is provided to KMA NWP Center and DBNet users as well as NMSC internal application systems.

▶ S/W Packages for Direct-readout LEO Satellite Data Processing in NMSC

Nowadays LEO (Low Earth Orbit) weather satellite data is used as a key product in various fields. National Meteorological Satellite Center (NMSC)/Korea Meteorological Administration (KMA) is also utilizing these data for supporting weather forecast analysis and NWP model input. NMSC is receiving LEO weather satellite data directly such as MetOp-A/B, NOAA-15/18/19, Suomi-NPP, Terra/Aqua etc. ATOVS and IASI data is utilized for NWP data assimilation and we are preparing to use ATMS and CrIS for the local NWP model in KMA NWP team. NMSC is processing these data in real time by using AAPP(ATOVS and AVHRR Pre-processing Package), CSPP(Community Satellite Processing Package) and IAPP(International ATOVS Processing Package) and providing for users. NMSC is started DB-Net service for direct-readout IASI data since March 2017 for the first time Asia-Pacific region and preparing CrIS and ATMS data. In this paper, we will present KMA’s LEO weather satellite operation status and future plan.

ABSTRACT

Satellite Sensor Data Processing Package / Version / Update Time

NOAA-15/18/19 *ATOVS

LV1) *AAPP / V7.15 / 2017.3.8. LV2) *IAPP / V1.1 / 2017.5.11.

*AVHRR

MetOp-A/B

ATOVS AVHRR NMSC’s S/W

*IASI LV1) AAPP / V7.15 / 2017.3.8. ASCAT NMSC’s S/W

S-NPP *VIIRS

LV1/2) *CSPP / SDR V2.2, EDR V2.0 / 2016.7.5. *ATMS *CrIS

Terra/Aqua MODIS

*IMAPP / V2.1 / 2017.5.11. AMSR-E AIRS

* AAPP: ATOVS and AVHRR Pre-processing Package * AHRPT: Advanced High Resolution Picture Transmission * ATMS: Advanced Technology Microwave Sounder * ATOVS: Advanced TIROS Operational Vertical Sounder * AVHRR: Advanced Very High Resolution Radiometer * CCSDS: Consultative Committee for Space Data Systems * COMS: Communication, Ocean and Meteorological Satellite * CrIS: Cross-Track Infrared Sounder * CSPP: Community Satellite Processing Package * DBNet: Direct-readout Broadcast Network * IAPP: International ATOVS Processing Package

* IASI: Infrared Atmospheric Sounding Interferometer * IMAPP: International MODIS/AIRS Processing Package * MIRS: Microwave Integrated Retrieval System * NUCAPS: NOAA Unique CrIS/ATMS Product System * NWP: Numerical Weather Prediction * OPS-LRS: Operation Software - Local Reception Station * RT-STPS: Real-Time Software Telemetry Processing System * Suomi-NPP: Suomi-NPOESS Preparatory Project * UW-HSRTV: University of Wisconsin-madison Hyper Spectral Retrieval * VIIRS: Visible/Infrared Imager Radiometer Suite

3. Summary and Future Plan ▶ NMSC process direct-readout LEO satellite data for internal and external NWP users. - MetOp-A/B, NOAA-15/18/19, Suomi-NPP, Terra/Aqua - Plan to JPSS receiving and processing system ▶ DBNet products(ATOVS, IASI) of KMA have been showing good performance in terms

of quality and timeliness. ▶ Plan to produce ATMS and CrIS data in accordance with DBNet data conditions. ▶ For CSPP processing time improvement, hardware was upgraded and processing step

was also optimized.

4. References •  Hyunjong Oh, 2016, KMA Report on DBNet Operation •  Bae et al., 2017, NMSC activities of LEO satellite data processing for KMA data assimilation •  Gumley et al., 2015, CSPP Polar-Orbiting Satellite Software and Products, CSPP/IMAPP Users’ Group Meeting •  Nigel Atkinson, 2016, DBNet monitoring by NWP SAF. •  Nigel Atkinson, 2011: AAPP Overview Document

Table 1. Information of NMSC’s LEO Satellite Data Processing S/W

▶ Satellite Data in use on the UM Model in KMA

▶ NMSC’s DBNet Monitoring Page In a preparation In a preparation In a preparation

Operational Operational Operational

The service offered by KMA to the meteorological community consisted of : Processed data from NOAA-18/19, METOP-1/2 from 2 sites. (Jincheon, Seoul )

1. Introduction

KMA is not only operating the first Korean geostationary weather satellite, COMS, but also utilizing 19 weather satellites data received satellite direct broadcast, GTS, EUMETCast, NESDIS link and the other landline services. NMSC process sounder data by using package software for domestic and foreign NWP users.

Himawari-8

COMS METOP

NPP NOAA

15,18,19 AQUA TERRA

GK-2A

LEO FY-2E

GK-2A

AAPP ATOVS and AVHRR Pre-processing Package

AAPP data formats: ü level 0 : raw HRPT data ü level 1a : separated data for each instrument ü level 1b : geo-referenced and calibrated data (reversible: calibration coefficients are separated from raw data) ü level 1c : geo-referenced and calibrated temperatures and albedo (non-reversible: calibration coefficients are applied to numerical data) ü level 1d : mapped and filtered data (cloud mask)

AAPP

Metopizer

AAPP

* DBNet

* NWP Model

AMSU-A, MHS, HIRS L0

IASI L0

ATOVS, MHS L1D BUFR

ATOVS, IASI L1C BUFR

NOAA-15/18/19 MetOp-A/B

IASI L1D BUFR L1C *OPS-LRS

GTS

IASIL1C

AAPP V7.15

CSPP Community Satellite Processing Package

Suomi-NPP

* RT-STPS CADU

CSPP * MIRS

* UW-HSRTV

TDR, SDR, EDR

RDR

CSPP data formats: ü RDR(Raw Data Records) : raw data, separated for each instrument ü TDR(Temperature Data Records) : calibrated antenna temperatures (only applicable to microwave sounder) ü SDR(Sensor Data Records) : calibrated brightness temperature ü EDR(Environmental Data Records) : retrieved quantities

* NUCAPS

TDR, SDR

SDR

AAPP ATMS CrIS

SDR

BUFR encoding

CSPP Package

* NWP Model ATMS, CrIS L1D BUFR

TDR, SDR

CSPP SDR V2.2 CSPP EDR V2.0

CSPP MIRS V2.0

CSPP UW-HSRTV V1.0

CSPP NUCAPS V1.1

AAPP V7.15