Topic: NOAA-15 and NOAA-19 AVHRR Channel 3A / 3B Switching Deactivation over Alaska Region
Date/Time Issued: May 14, 2021 0116Z
Product(s) or Data Impacted: NOAA-15 and NOAA-19 AVHRR data over Alaska Region
Date/Time of Initial Impact: May 15, 2021 1955Z
Date/Time of Expected End: September 15, 2021
Length of Outage: See details below; roughly 4 months
Details/Specifics of Change: NESDIS Office of Satellite and Product Operations (OSPO) engineers will deactivate switching for NOAA-15 and NOAA-19 AVHRR Channel 3A / 3B for the period of May 15, 2021 to September 15, 2021. Switching to Channel 3A will not occur during this period over the predefined box encompassing the Alaska Region (box coordinates 50°N to 75°N and 173°E to 135°W). NOAA-15 and NOAA-19 AVHRR will remain in Channel 3B (3.7 microns) to support fire detection and monitoring activities over Alaska Region.
Last NOAA-15 contact 15 F 19661 May 15, 2021 135/19:55:10 135/20:02:51 461
Last NOAA-19 contact 19 F 63232 May 15, 2021 135/20:15:40 135/20:20:31 291
Channel switching will start after Sept 15, 2021 for the end of fire season. A reminder notification will be sent.
The coordination for the activation and deactivation of switching for NOAA-15 and NOAA-19 AVHRR Channel 3A / 3B is a collaborative effort between NESDIS OSPO, National Weather Service (NWS) Alaska Region, University of Alaska - Geographic Information Network of Alaska (GINA), and the NWS Fire Weather Service Manager and is intended to seasonally optimize the Fire Weather and Cryosphere observing posture for Alaska.
Web Site(s) for applicable information: See http://www.ssd.noaa.gov/PS/SATS/messages.html for this and other satellite related messages.
Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880
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