Table 2: List of descriptors, and corresponding Table B entries, that define the subset used in the MRF BUFR message.

Descriptor Element Name Unit Scale Ref Bits

0 1 63 ICAO Location Indicator CCITT IA5 0 0 64

0 5 2 Latitude Degrees 2 -9000 15

0 6 2 Longitude Degrees 2 -18000 16

0 4 1 Year Year 0 0 12

0 4 2 Month Month 0 0 4

0 4 3 Day Day 0 0 6

0 4 4 Hour Hour 0 0 5

0 8 21 Time Significance Code table 0 0 5

0 4 24 Time Period or Displacement Hour 0 -2048 12

0 60 66 Climatic (Normal) Daytime Max K 1 0 12

Temperature

0 60 67 Climatic (Normal) Nighttime Min K 1 0 12

Temperature

0 60 18 Rel. Freq. of > 0.01 inch of Liq. % 0 0 7

Equiv. Precip. during past 12

hours (climatic)

0 60 19 Rel. Freq. of > 0.01 inch of Liq. % 0 0 7

Equiv. Precip. during past 24

hours (climatic)

0 1 32 Generating Application Code table 0 0 8

0 2 200 Objective Forecast Technique Used Code table 0 0 4

0 12 200 Daytime Max Temperature K 1 0 12

0 12 201 Nighttime Min Temperature K 1 0 12

0 12 1 Temperature K 1 0 12

0 12 3 Dew Point Temperature K 1 0 12

0 60 105 Probability of Sky Cover % 0 0 7

Mostly Clear during past 12 hours

0 60 106 Probability of Sky Cover % 0 0 7

Partly Cloudy during past 12 hours

0 60 107 Probability of Sky Cover % 0 0 7

Mostly Cloudy during past 12 hours

0 4 31 Duration of Time Relating to Hour 0 0 8

Following Value

0 60 192 Total Sky Cover Code table 0 0 4

0 60 120 Probability of Max Wind Speed % 0 0 7

0 - 12 kts during past 12 hours

0 60 121 Probability of Max Wind Speed % 0 0 7

13 - 21 kts during past 12 hours

0 60 122 Probability of Max Wind Speed % 0 0 7

22 - 31 kts during past 12 hours

0 60 123 Probability of Max Wind Speed % 0 0 7

≥ 32 kts during past 12 hours

0 60 193 Max Wind Speed Forecast Code table 0 0 4

(Categorical)

0 60 124 Expected Value of Max Wind Speed m/s 1 0 12

0 60 125 Probability of Max Wind Direction % 0 0 7

North during past 12 hours

0 60 126 Probability of Wind Direction % 0 0 7

Northeast during past 12 hours

Descriptor Element Name Unit Scale Ref Bits

0 60 127 Probability of Wind Direction % 0 0 7

East during past 12 hours

0 60 128 Probability of Wind Direction % 0 0 7

Southeast during past 12 hours

0 60 129 Probability of Wind Direction % 0 0 7

South during past 12 hours

0 60 130 Probability of Wind Direction % 0 0 7

Southwest during past 12 hours

0 60 131 Probability of Wind Direction % 0 0 7

West during past 12 hours

0 60 132 Probability of Wind Direction % 0 0 7

Northwest during past 12 hours

0 60 194 Wind Direction Forecast Code table 0 0 4

(Categorical)

0 60 2 Prob. of Liquid Equivalent Precip. % 0 0 7

> 0.01 inch during past 12 hours

0 60 3 Prob. of Liquid Equivalent Precip. % 0 0 7

> 0.01 inch during past 24 hours

0 60 59 Prob. Of Thunderstorm during % 0 0 7

past 12 hours

0 60 60 Prob. Of Thunderstorm during % 0 0 7

past 24 hours

0 60 140 Cond. Prob. Of Freezing % 0 0 7

during past 12 hours

0 60 141 Cond. Prob. of Snow % 0 0 7

during past 12 hours

0 60 142 Cond. Prob. Of Rain/Snow Mix % 0 0 7

during past 12 hours

0 60 143 Cond. Prob. Of Rain % 0 0 7

during past 12 hours

0 4 31 Duration of Time Relating to Hour 0 0 8

Following Value

0 60 91 Conditional Precip. Type Fcst. code table 0 0 3

(Categorical)

0 60 5 Prob. Of Liquid Equivalent Precip. % 0 0 7

≥ 0.10 inch during past 12 hours

0 60 8 Prob. Of Liquid Equivalent Precip. % 0 0 7

≥ 0.25 inch during past 12 hours

0 60 11 Prob. Of Liquid Equivalent Precip. % 0 0 7

≥ 0.50 inch during past 12 hours

0 60 14 Prob. Of Liquid Equivalent Precip. % 0 0 7

≥ 1.00 inch during past 12 hours

0 60 16 Prob. Of Liquid Equivalent Precip. % 0 0 7

≥ 2.00 inch during past 12 hours

0 4 31 Duration of Time Relating to Hour 0 0 8

Following Value

0 60 90 Quantitative Precipitation Fcst. Code table 0 0 4

(Categorical)

0 4 31 Duration of Time Relating to Hour 0 0 8

Following Value

0 60 147 Conditional Expected Precip Amt. Kg/m2 1 -1 14

Descriptor Element Name Unit Scale Ref Bits

0 60 6 Prob. Of Liquid Equivalent Precip. % 0 0 7

≥ 0.10 inch during past 24 hours

0 60 9 Prob. Of Liquid Equivalent Precip. % 0 0 7

≥ 0.25 inch during past 24 hours

0 60 12 Prob. Of Liquid Equivalent Precip. % 0 0 7

≥ 0.50 inch during past 24 hours

0 60 15 Prob. Of Liquid Equivalent Precip. % 0 0 7

≥ 1.00 inch during past 24 hours

0 60 17 Prob. Of Liquid Equivalent Precip. % 0 0 7

≥ 2.00 inch during past 24 hours

0 60 146 Prob. Of Liquid Equivalent Precip. % 0 0 7

≥ 3.00 inch during past 24 hours

0 4 31 Duration of Time Relating to Hour 0 0 8

Following Value

0 60 90 Quantitative Precipitation Fcst. Code table 0 0 4

(Categorical)

0 4 31 Duration of Time Relating to Hour 0 0 8

Following Value

0 60 147 Conditional Expected Precip Amt. Kg/m2 1 -1 14

0 60 144 Prob. Of Snow Amount ≥ 0.10 inches % 0 0 7

during past 24 hours

0 60 31 Prob. Of Snow Amount ≥ 2 inches % 0 0 7

during past 24 hours

0 60 33 Prob. Of Snow Amount ≥ 4 inches % 0 0 7

during past 24 hours

0 60 35 Prob. Of Snow Amount ≥ 6 inches % 0 0 7

during past 24 hours

0 60 145 Prob. Of Snow Amount ≥ 8 inches % 0 0 7

during past 24 hours

0 4 31 Duration of Time Relating to Hour 0 0 8

Following Value

0 60 093 Quantitative Snow Amount Fcst. Code table 0 0 4

(Categorical)