Parameters

OceanRAIN-W Water Cycle Components. 73 parameters in temporally continuous 1min-resolution. The data source discriminates between measured (NAV, MET, ODM), observed (SYN) and calculated parameters (calculated).

#   Parameter description

OceanRAIN-W

NAME

Error value

Units

Data

source

Format, Algorithm, Metadata, Citation

01 counter

COUNT

----------

[ ]

calculated

 

02 date UT

DATE

----------

UTC

NAV

DDMOYYYY

03 time UT

TIME

----------

UTC

NAV

HHMM

04 date local

LDATE

----------

LT

calculated

DDMOYYYY

05 time local

LTIME

----------

LT

calculated

HHMM

06 minute of day UT

MDAY

----------

[ ]

calculated

value range 1 to 1440

07 Julian date

JLD

----------

days

calculated

since 01JAN1994, 00 UTC

08 Unix epoch timestamp

USEC

----------

s

calculated

seconds since 01JAN1970, 00 UTC

09 latitude

LAT

-99.9999

deg

NAV

degree north from -90 to 90°

10 longitude

LON

-999.9999

deg

NAV

degree east from -180° to 180°

11 heading

HEAD

-99.9

deg

NAV

0° to 360°

12 air temperature

TAIR

-99.9

°C

MET

 

13 dewpoint temperature

TDEW

-99.9

°C

calculated

 

14 bulk water temperature

WATER

-99.9

°C

MET

 

15 sea surface temperature

SST

-99.9

°C

calculated

Donlon et al.91

16 relative humidity

RH

-99

%

MET

 

17 specific humidity at sea surface

QS

-9.9

g kg-1

calculated

Murphy and Coop90

18 specific air humidity

QA

-9.9

g kg-1

calculated

Murphy and Coop90

19 air pressure

MSLP

-999.9

hPa

MET

at instrument height

20 relative wind speed

UREL

-9.9

m s-1

MET

 

21 relative wind direction

RELDIR

-99

deg

MET

 

22 true wind speed

UTRUE

-9.9

m s-1

MET

 

23 true wind direction

TRUEDIR

-99

deg

MET

 

24 wind speed in 10 m height

U10

-9.9

m s-1

calculated

Tennekes89

25 global radiation

GLORAD

-999.9

W m-2

MET

 

26 visibility

VIS

-9999

m

MET

 

27 ceiling

CEIL

-99999

m

MET

 

28 max gusts

UMAX

-99.9

m s-1

MET

 

29 salinity

SAL

-99.99

PSU

MET

 

30 drag transfer coefficient

CD

-99.9

[ ]

calculated

Fairall et al.88

31 latent heat transfer coefficient

CE

-99.9

[ ]

calculated

Fairall et al.88

32 sensible heat transfer coefficient

CH

-99.9

[ ]

calculated

Fairall et al.88

33 warm layer flag

WLF

3

[ ]

calculated

Fairall et al.88

34 sensible heat flux

SHF

-9999

W m-2

calculated

Fairall et al.88

35 latent heat flux

LHF

-9999

W m-2

calculated

Fairall et al.88

36 evaporation E

EVAP

-999

mm h-1

calculated

Fairall et al.88

37 freshwater budget E-P

BUDG

-999

mm h-1

calculated

difference of E and P

38 rain gauge precipitation rate

GAUGE

-99.99

mm h-1

MET

 

39 ww present weather code

WW

-99

[ ]

SYN

human weather type observation

40 W1 past weather code

W1

-99

[ ]

SYN

human weather type observation

41 W2 past weather code

W2

-99

[ ]

SYN

human weather type observation

42 99th percentile particle diameter

PERC

-999.99

mm

calculated

 

43 theoretical rain rate disdrometer

TRAIN

-99.99

mm h-1

calculated

#43 or #44 is identical to #52

44 theoretical snow rate disdrometer

TSNOW

-99.99

mm h-1

calculated

#43 or #44 is identical to #52

45 probability for rain

PRAIN

-999.99

[ ]

calculated

value range 0.00 to 1.00

46 probability for snow

PSNOW

-999.99

[ ]

calculated

value range 0.00 to 1.00

47 probability for mixed-phase

PMIX

-999.99

[ ]

calculated

value range 0.00 to 1.00

48 precipitation flag1

FLAG1

9

[ ]

calculated

precipitation type and status

49 precipitation flag2

FLAG2

99

[ ]

calculated

precipitation classification

50 number of bins

BINS

-99

[ ]

ODM

number of bins

51 number of particles

NUMS

-9999

[ ]

ODM

number of particles

52 ODM precipitation rate R

PRECIP

-99.99

mm h-1

calculated

according to #42-48

53 Rayleigh reflectivity Z

REFL

-99.99

mm6 m-3

calculated

 

54 10 log R

DBR

-99.99

dBR

calculated

 

55 10 log Z

DBZ

-99.99

dBZ

calculated

 

56 relative wind speed

ODMREL

-88.88

m s-1

ODM

flag1= 4 or 5; missval= -99.99

57 reference voltage

UREF

-88.88

V

ODM

flag1= 4 or 5; missval= -99.99

58 convective=1 /stratiform=0 index

CONV

-9

[ ]

calculated

Thurai et al.82, No* < -1.65 * Dm + 6.35

59 Intercept of normalized gamma DSD

No*

-999.00

mm-1 m-3

calculated

Testud et al.82

60 mass-weighted mean diameter of normalized gamma DSD

Dm

-999.00

mm

calculated

Testud et al.82

61 shape parameter of normalized         gamma DSD

mu

-999.00

[ ]

calculated

Testud et al.82

62 median volume diameter of         normalized gamma DSD

D0

-999.00

mm

calculated

Testud et al.82

63 DSD mass spectrum standard          deviation

sigmam

-999.00

mm

calculated

Williams et al.84

64 Intercept parameter of a standard     gamma DSD

N0

-999.00

mm-1 m-3

calculated

Tokay and Short83

65 T-matrix simulation of C-band      reflectivity from DSD

DBZ_C

-999.00

dBZ

calculated

pyTmatrix

 

66 T-matrix simulation of C-band       differential reflectivity from DSD

ZDR_C

-999.00

dB

calculated

pyTmatrix

67 T-matrix simulation of C-band specific differential phase from DSD

KDP_C

-999.00

deg km-1

calculated

pyTmatrix

68 T-matrix simulation of Ku-band reflectivity from DSD

DBZ_Ku

-999.00

dBZ

calculated

pyTmatrix

69 T-matrix simulation of Ku-band differential reflectivity from DSD

ZDR_Ku

-999.00

dB

calculated

pyTmatrix

70 T-matrix simulation of Ku-band specific differential phase from DSD

KDP_Ku

-999.00

deg/km

calculated

pyTmatrix

71 T-matrix simulation of Ka-band reflectivity from DSD

DBZ_Ka

-999.00

dBZ

calculated

pyTmatrix

72 T-matrix simulation of Ka-band differential reflectivity from DSD

ZDR_Ka

-999.00

dB

calculated

pyTmatrix

73 T-matrix simulation of Ka-band specific differential phase from DSD

KDP_Ka

-999.00

deg km-1

calculated

pyTmatrix

OceanRAIN-M number concentration PSDs (m-3 mm-1) and OceanRAIN-R raw PSDs along with and precipitation microphysics and radar-related parameters. Both files contain 37 parameters in temporally discontinuous 1min-resolution for precipitation events only. The data source discriminates between measured (NAV, MET, ODM), observed (SYN) and calculated parameters (calculated). Note, that column 38-165 store the 128 values for the PSDs. The first lines in the OceanRAIN-M files contain a header providing the log-scale 128 bin size centers in mm.

#   Parameter description

OceanRAIN-M and OceanRAIN-R

NAME

Error value

Units

Data

source

Format, Algorithm, Metadata, Citation

01 counter

COUNT

----------

[ ]

calculated

 

02 date UT

DATE

----------

UTC

NAV

DDMOYYYY

03 time UT

TIME

----------

UTC

NAV

HHMM

04 minute of day UT

MDAY

----------

[ ]

calculated

value range 1 to 1440

05 Julian date

JLD

----------

days

calculated

since 01JAN1994, 00 UTC

06 Unix epoch timestamp

USEC

----------

s

calculated

seconds since 01JAN1970, 00 UTC

07 latitude

LAT

-99.9999

deg

NAV

degree north from -90 to 90°

08 longitude

LON

-999.9999

deg

NAV

degree east from -180° to 180°

09 probability for rain

PRAIN

-999.99

[ ]

calculated

value range 0.00 to 1.00

10 probability for snow

PSNOW

-999.99

[ ]

calculated

value range 0.00 to 1.00

11 probability for mixed-phase

PMIX

-999.99

[ ]

calculated

value range 0.00 to 1.00

12 precipitation flag1

FLAG1

9

[ ]

calculated

precipitation type and status

13 precipitation flag2

FLAG2

99

[ ]

calculated

precipitation classification

14 number of bins

BINS

-99

[ ]

ODM

number of bins

15 number of particles

NUMS

-9999

[ ]

ODM

number of particles

16 ODM precipitation rate R

PRECIP

-99.99

mm h-1

calculated

according to #42-48

17 Rayleigh reflectivity Z

REFL

-99.99

mm6 m-3

calculated

 

18 10 log R

DBR

-99.99

dBR

calculated

 

19 10 log Z

DBZ

-99.99

dBZ

calculated

 

20 relative wind speed

ODMREL

-88.88

m s-1

ODM

flag1= 4 or 5; missval= -99.99

21 reference voltage

UREF

-88.88

V

ODM

flag1= 4 or 5; missval= -99.99

22 convective=1 /stratiform=0 index

CONV

-9

[ ]

calculated

Thurai et al.82, No* < -1.65 * Dm + 6.35

23 Intercept of normalized gamma DSD

No*

-999.00

mm-1 m-3

calculated

Testud et al.82

24 mass-weighted mean diameter of normalized gamma DSD

Dm

-999.00

mm

calculated

Testud et al.82

25 shape parameter of normalized gamma DSD

mu

-999.00

[ ]

calculated

Testud et al.82

26 median volume diameter of normalized gamma DSD

D0

-999.00

mm

calculated

Testud et al.82

27 DSD mass spectrum standard  deviation

sigmam

-999.00

mm

calculated

Williams et al.84

28 Intercept parameter of a standard gamma DSD

N0

-999.00

mm-1 m-3

calculated

Tokay and Short83

29 T-matrix simulation of C-band reflectivity from DSD

DBZ_C

-999.00

dBZ

calculated

pyTmatrix

 

30 T-matrix simulation of C-band differential reflectivity from DSD

ZDR_C

-999.00

dB

calculated

pyTmatrix

31 T-matrix simulation of C-band specific differential phase from DSD

KDP_C

-999.00

deg km-1

calculated

pyTmatrix

32 T-matrix simulation of Ku-band reflectivity from DSD

DBZ_Ku

-999.00

dBZ

calculated

pyTmatrix

33 T-matrix simulation of Ku-band differential reflectivity from DSD

ZDR_Ku

-999.00

dB

calculated

pyTmatrix

34 T-matrix simulation of Ku-band specific differential phase from DSD

KDP_Ku

-999.00

deg/km

calculated

pyTmatrix

35 T-matrix simulation of Ka-band reflectivity from DSD

DBZ_Ka

-999.00

dBZ

calculated

pyTmatrix

36 T-matrix simulation of Ka-band differential reflectivity from DSD

ZDR_Ka

-999.00

dB

calculated

pyTmatrix

37 T-matrix simulation of Ka-band specific differential phase from DSD

KDP_Ka

-999.00

deg km-1

calculated

pyTmatrix

38-165: 128-times number concentration PSD

PSD

----------

m-3 mm-1

calculated

OceanRAIN-M files

38-165: 128-times raw particle count PSD

RAW

----------

n

ODM

OceanRAIN-R files

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