Page 124 - AFMAN 15-111, 12 MAR 2019
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102                                                                         AFMAN15-111  12 MARCH 2019








                                                                 Observed              Enter in Remarks Section                                                       Manual   Automated   Supplement   Back-up
                                                                 Condition
                                                             Remark
                                                         Number

                                                                                       snow depth in whole inches using three digits. For example,
                                                                                       a snow depth of 21 inches will be encoded as "4/021."

                                                       30        Hourly                Encode the hourly temperature and dew point group to the                            X             O
                                                                 Temperature  tenth of a degree Celsius in format, TsnT’T’T’snT’dT’dT’d,
                                                                 and Dew Point  where T is the group indicator, sn is the sign of the

                                                                                       temperature, T'T'T' is the temperature, and T'dT'dT'd is the
                                                                 (METAR only)  dew point. Encode the sign of temperature and dew point as 1
                                                                                       if the value is below 0°C and 0 if the value is 0°C or higher.
                                                                                       The temperature and dew point is reported in tens, units, and
                                                                                       tenths of degrees Celsius. There will be no spaces between

                                                                                       the entries. For example, a temperature of 2.6°C and dew
                                                                                       point of -1.5°C would be reported in the body of the report as
                                                                                       "03/M01" and the TsnT’T’T’snT’dT’dT’d group as

                                                                                       T00261015". If dew point is missing report the temperature;
                                                                                       if the temperature is missing do not report the temperature/
                                                                                       dew point group.
                                                       31        6-Hourly              Encode the 6-hourly maximum temperature group in format,  O                         X             O

                                                                 Maximum               1snTxTxTx, where 1 is the group indicator, sn is the sign of
                                                                 Temperature   the temperature, TxTxTx is the maximum temperature in
                                                                                       tenths of degrees Celsius using three digits. Encode the sign
                                                                 (See Note 2)          of maximum temperature as 1 if the maximum temperature is

                                                                                       below 0°C and 0 if the maximum temperature is 0°C or
                                                                 (METAR only)  higher. For example, a maximum temperature of -2.1°C
                                                                                       would be encoded "11021"; 14.2°C would be encoded
                                                                                       "10142."
                                                       32        6-Hourly              Encode the 6-hourly minimum temperature group in format,  O                         X             O

                                                                 Minimum               2snTnTnTn, where 2 is the group indicator, sn is the sign of
                                                                 Temperature   the temperature, and TnTnTn is the minimum temperature in
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