GRIB2 - TABLE 4.2-1-1

PARAMETERS FOR DISCIPLINE 1
CATEGORY 1

(Hydrological products, Hydrology Probabilities category)

In Section 0, Octet 7 = 1
In Section 4, Octet 10 = 1

Revised 11/02/2023
Red text depicts changes made since 11/02/2023



Number
(In Section 4, octet 11)
Parameter Units
Abbrev
0
Conditional percent precipitation amount fractile for an overall period (encoded as an accumulation)
kg m-2
CPPOP
1
Percent Precipitation in a sub-period of an overall period (encoded as a percent accumulation over the sub-period)
%
PPOSP
2
Probability of 0.01 inch of precipitation (POP)
%
POP
3-191 Reserved

192-254
Reserved for Local Use


192
Probability of Freezing Precipitation %
CPOZP
193
Percent of Frozen Precipitation %
CPOFP
194
Probability of precipitation exceeding flash flood guidance values %
PPFFG
195
Probability of Wetting Rain, exceeding in 0.10" in a given time period %
CWR
196
Binary Probability of precipitation exceeding average recurrence intervals (ARI) see Code table 4.222
QPFARI
197
Binary Probability of precipitation exceeding flash flood guidance values see Code table 4.222
QPFFFG
255
Missing




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