Administrative:- NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration Update, 14 November 2017 - Issued: November 14, 2017 1620Z

Subject: Administrative:- NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration Update, 14 November 2017 - Issued: November 14, 2017 1620Z

From: ESPCOperations

Date: 11/14/2017 11:19 AM

To: _NESDIS OSDPD ESPC OUTAGE Notification

Topic: Visible calibration update for month of November 2017

Date/Time Issued: November 14, 2017 1620 UTC

Product(s) or Data Impacted: All products from channels 1, 2, and 3a

Date/Time of Initial Impact: November 14, 2017 13:28 UTC

Date/Time of Expected End: Until Next Month's Coefficient Update

Length of Outage: N/A

Details/Specifics of Change:

On November 14, 2017 at approximately 13:28 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-18, NOAA-19, MetOp-A/2 and MetOp-B/1 for the month of November. These coefficients are intended to be optimal on November 28, in the middle of the two scheduled updates.

Metop-B/1

Ch_1_lo = 0.05592*count - 2.202, count<500.62

Ch_1_hi = 0.1657*count - 57.15, count>500.62

Ch_2_lo = 0.06235*count - 2.518, count<503.00

Ch_2_hi = 0.1837*count - 63.54, count>503.00

Ch_3_lo = 0.03226*count - 1.355, count<500.85

Ch_3_hi = 0.2247*count - 97.72, count>500.85

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Metop-A/2

Ch_1_lo = 0.05618*count - 2.271, count<501.01

Ch_1_hi = 0.1660*count - 57.29, count>501.01

Ch_2_lo = 0.06950*count - 2.763, count<500.42

Ch_2_hi = 0.2064*count - 71.28, count>500.42

Ch_3_lo = 0.03420*count - 1.405, count<501.94

Ch_3_hi = 0.2375*count - 103.46, count>501.94

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NOAA-18 AVHRR

Ch_1_lo = 0.06059*count - 2.389, count<501.54

Ch_1_hi = 0.1806*count - 62.13, count>501.54

Ch_2_lo = 0.07125*count - 2.807, count<500.40

Ch_2_hi = 0.2138*count - 74.49, count>500.40

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NOAA-19 AVHRR

Ch_1_lo = 0.05387*count - 2.094, count<496.43

Ch_1_hi = 0.1589*count - 54.62, count>496.43

Ch_2_lo = 0.06257*count - 2.427, count<500.37

Ch_2_hi = 0.1864*count - 64.34, count>500.37

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The first 1b files produced with the updated CPIDS were:

NSS.HRPT.NN.D17318.S1453.E1505.B6434949.MO

NSS.GHRR.NN.D17318.S1451.E1626.B6434950.GC

NSS.HRPT.NP.D17318.S1327.E1339.B4518888.GC

NSS.GHRR.NP.D17318.S1139.E1326.B4518788.GC

NSS.LHRR.NP.D17318.S1313.E1317.B4518888.GC

For M2 & M1 the first orbits processed will be the one running after orbit:

NSS.HRPT.M1.D17318.S1315.E1324.B2676464.WI

NSS.FRAC.M1.D17318.S1031.E1126.B2676263.SV

NSS.HRPT.M2.D17318.S0501.E0506.B5742828.MO

NSS.FRAC.M2.D17318.S1030.E1212.B5744950.SV

Contact Person(s) Name/Email/Phone Number for Questions:

Dejiang.Han Dejiang.Han@noaa.gov 301-817-4119 operations support

Xiangqian Wu Xiangqian.Wu@noaa.gov 301-683-3601 instrument scientist

Web site(s) that contain other relevant information (where applicable):

http://www.osdpd.noaa.gov/PSB/PPP/PPP.html - History of level 1B notices

http://www.ssd.noaa.gov/PS/SATS/messages.html - All user notices

http://www.oso.noaa.gov/poes/index.htm - SOCC polar satellite status

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880