377
NOUS72 KNES 081704
ADMNES
UPDATE #2: OPERATIONS RECOVERED THE S-NPP SPACECRAFT TO A VALID GEOLOCATION
STATE AT ~17:20 UTC ON NOVEMBER 6, 2024. CAL/VAL TEAMS HAVE CONFIRMED THAT
ALL S-NPP SCIENCE PRODUCTS ARE MEETING MISSION SPECIFICATIONS AND READY FOR
OPERATIONAL USE, EFFECTIVE 17:20 UTC NOVEMBER 6, 2024.


ALL S-NPP SCIENCE PRODUCTS WILL BE ENABLED ON PDA OPS AT 16:30 UTC ON
NOVEMBER 8, 2024. S-NPP HIGH RATE DATA (HRD) WILL BE ENABLED AT 18:15 UTC
(REV #67538) ON NOVEMBER 8, 2024. DIRECT BROADCAST (DB) USERS CAN USE THE
EQUIVALENT S-NPP SCIENCE COMMUNITY SATELLITE PROCESSING PACKAGE (CSPP) LEO
PRODUCTS FOR OPERATIONS.


THIS CONCLUDES THE S-NPP SPACECRAFT ANOMALY.


UPDATE #1: S-NPP DATA RECOVERY ACTIVITIES ARE PLANNED FOR NO EARLIER THAN
NOVEMBER 7, 2024. PDA OPS SUBSCRIPTIONS AND HIGH RATE DATA (HRD) WILL BE
RE-ENABLED ONCE CAL/VAL TEAMS VERIFY THAT S-NPP PRODUCTS MEET MISSION
SPECIFICATIONS.


TOPIC: S-NPP DATA OUTAGE

DATE/TIME ISSUED: NOVEMBER 8, 2024 1653Z



PRODUCT OR DATA IMPACTED: ALL S-NPP PRODUCTS



DATE/TIME OF INITIAL IMPACT: NOVEMBER 2, 2024 2215Z



DATE/TIME OF EXPECTED END: NOVEMBER 8, 2024 1630Z



*LENGTH OF THE OUTAGE/EVENT: *139 HOURS 15 MINUTES



DETAILS/SPECIFICS: STARTING AROUND 2215Z ON NOVEMBER 2, 2024, S-NPP   S
GEOLOCATION
CAPABILITIES ENTERED INTO A DEGRADED STATE. OPERATIONS WILL COORDINATE
SPACECRAFT RECOVERY ACTIVITIES BEGINNING MONDAY, NOVEMBER 4, 2024.
DATA ASSESSMENT
BY CAL/VAL TEAMS WILL SUBSEQUENTLY FOLLOW TO ENSURE S-NPP PRODUCTS MEET
MISSION SPECIFICATIONS.

NOAA DOES NOT RECOMMEND USING S-NPP PRODUCTS FROM OBSERVATIONS TAKEN AFTER
2215Z ON NOVEMBER 2, 2024 FOR OPERATIONAL PURPOSES. PDA OPS SUBSCRIPTIONS
FOR ALL S-NPP SCIENCE PRODUCTS WERE DISABLED AT 0100Z ON NOVEMBER 3, 2024.
HIGH RATE DATA (HRD) WAS ALSO DISABLED AT 01:18Z ON NOVEMBER 3, 2024.

THE NOAA-21 AND NOAA-20 SATELLITES CONTINUE TO PROVIDE SCIENCE DATA AS THE
PRIMARY AND SECONDARY SATELLITES, RESPECTIVELY, WITHIN THE JPSS
CONSTELLATION. FURTHER UPDATES WILL BE POSTED, AS NEEDED.





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