Datastream : CEIL

Ceilometer (CEIL): cloud-base heights

Active Dates
1996.10.11 - 2017.03.24

Measurement Categories
Aerosols, Cloud Properties

Originating Instrument
Ceilometer (CEIL)

Measurements

Only measurements considered scientifically relevant are shown below by default.

Show all measurements

Measurement Units Variable
Altitude above mean sea level m alt
Altitude of highest signal m alt_highest_signal ( time )
Background light mV background_light ( time )
Backscatter 1/(sr*km*10000) backscatter ( time, range )
Base time in Epoch seconds since 1970-1-1 0:00:00 0:00 base_time
Detection status unitless detection_status ( time )
Lowest cloud base height detected m first_cbh ( time )
Laser pulse energy % laser_pulse_energy ( time )
Laser temperature degC laser_temperature ( time )
North latitude degree_N lat
East longitude degree_E lon
Instrument measurement parameters unitless measurement_parameters ( time, string_length )
Quality check results on field: Altitude of highest signal unitless qc_alt_highest_signal ( time )
Quality check results on field: Background light unitless qc_background_light ( time )
Quality check results on field: Lowest cloud base height detected unitless qc_first_cbh ( time )
Quality check results on field: Laser pulse energy unitless qc_laser_pulse_energy ( time )
Quality check results on field: Laser temperature unitless qc_laser_temperature ( time )
Quality check results on field: Receiver sensitivity unitless qc_receiver_sensitivity ( time )
Quality check results on field: Second lowest cloud base height unitless qc_second_cbh ( time )
Quality check results on field: Sum of detected and normalized backscatter unitless qc_sum_backscatter ( time )
Quality check results on field: Third cloud base height unitless qc_third_cbh ( time )
Quality check results on field: Tilt angle unitless qc_tilt_angle ( time )
Quality check results on field: Vertical visibility unitless qc_vertical_visibility ( time )
Quality check results on field: Window contamination unitless qc_window_contamination ( time )
Quality check results on field: Window transmission estimate unitless qc_window_transmission ( time )
Distance to the center of the corresponding range bin m range ( range )
Range cell bounds range_bounds ( range, bound )
Receiver sensitivity % receiver_sensitivity ( time )
Second lowest cloud base height m second_cbh ( time )
Ceilometer status indicator unitless status_flag ( time )
Warning and alarm status bits unitless status_string ( time, string_length )
Sum of detected and normalized backscatter 1/sr sum_backscatter ( time )
Third cloud base height m third_cbh ( time )
Tilt angle degree tilt_angle ( time )
Time offset from midnight time ( time )
Time cell bounds time_bounds ( time, bound )
Time offset from base_time time_offset ( time )
Vertical visibility m vertical_visibility ( time )
Window contamination mV window_contamination ( time )
Window transmission estimate % window_transmission ( time )

Locations

Eastern North Atlantic
ENAC1 Browse Data Browse PlotsGraciosa Island, Azores, Portugal
North Slope Alaska
NSAC1 Browse Data Browse PlotsCentral Facility, Barrow AK
NSAC2 Browse Data Browse PlotsCentral Facility, Atqasuk AK
Southern Great Plains
SGPB1 Browse DataHillsboro, KS (Boundary)
SGPB4 Browse DataVici, OK (Boundary)
SGPB5 Browse DataMorris, OK (Boundary)
SGPB6 Browse DataPurcell, OK (Boundary)
SGPC1 Browse Data Browse PlotsCentral Facility, Lamont, OK
Tropical Western Pacific
TWPC1 Browse Data Browse PlotsCentral Facility, Manus I., PNG
TWPC2 Browse Data Browse PlotsCentral Facility, Nauru Island
TWPC3 Browse Data Browse PlotsCentral Facility, Darwin, Australia
ARM Mobile Facility
ACXM1 Browse Data Browse PlotsOff the Coast of California - NOAA Ship Ronald H. Brown; AMF2
ASIM1 Browse Data Browse PlotsAscension Island, South Atlantic Ocean; AMF1
AWRM1 Browse Data Browse PlotsMcMurdo Station Ross Ice Shelf, Antarctica; AMF2
FKBM1 Browse Data Browse PlotsBlack Forest, Germany
GANM1 Browse Data Browse PlotsGan Airport, Gan Island, Maldives; AMF2
GRWM1 Browse Data Browse PlotsGraciosa Island, Azores, Portugal; AMF1
HFEM1 Browse Data Browse PlotsShouxian, Anhui, China
MAGM1 Browse DataLos Angeles, CA to Honolulu, HI - container ship Horizon Spirit; AMF2
MAOM1 Browse Data Browse PlotsManacapuru, Amazonas, Brazil; AMF1
NIMM1 Browse Data Browse PlotsNiamey, Niger
OLIM1 Browse Data Browse PlotsOlikiok Point, Alaska; AMF3
PGHM1 Browse Data Browse PlotsARIES Observatory, Nainital, Uttarkhand, India; AMF1
PVCM1 Browse DataHighland Center, Cape Cod MA; AMF1
PYEM1 Browse Data Browse PlotsPoint Reyes, CA
SBSM1 Browse Data Browse PlotsSteamboat Springs CO, Valley Site; AMF2
TMPM1 Browse Data Browse PlotsU. of Helsinki Research Station (SMEAR II), Hyytiala, Finland; AMF2

Contact(s)

Brian Ermold
Pacific Northwest National Laboratory
Developer
(509) 375-2277
brian.ermold@pnnl.gov

Victor Morris
Pacific Northwest National Laboratory
(509) 372-6144
victor.morris@pnnl.gov