Topic: NOAA-15 and NOAA-19 AVHRR Channel 3A / 3B Switching Deactivation over Alaska Region
Date/Time Issued: May 18 2024 0029Z
Product(s) or Data Impacted: NOAA-15 and NOAA-19 AVHRR data over Alaska Region
Date/Time of Initial Impact: May 13, 2024 19:54:12 UTC
Date/Time of Expected End: September 15, 2024
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, 2024 to September 15, 2024.
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 May 13, 2024 134/20:54:41 134/20:58:28 227
Last NOAA-19 contact 19 May 13, 2024 134/19:54:12 134/20:00:07 355
Channel switching will start after Sept 15, 2024 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.
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