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| Grid DAP Data | Sub- set | Table DAP Data | Make A Graph | W M S | Source Data Files | Acces- sible
| Title | Sum- mary | FGDC, ISO, Metadata | Back- ground Info | RSS | E | Institution | Dataset ID |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| data | graph | M | files | public | Cloudmask, CLAVR-1, NOAA POES AVHRR, 0.0125 degrees, West US, 2007-present, Daytime (Single Scan), Lon+/-180 |
| F I M | background | 
| 
| NOAA NMFS SWFSC ERD | erdATclddhday_LonPM180 |
| Row Type | Variable Name | Attribute Name | Data Type | Value |
|---|---|---|---|---|
| attribute | NC_GLOBAL | acknowledgement | String | NOAA NESDIS COASTWATCH, NOAA SWFSC ERD |
| attribute | NC_GLOBAL | cdm_data_type | String | Grid |
| attribute | NC_GLOBAL | composite | String | false |
| attribute | NC_GLOBAL | contributor_name | String | NOAA NWS Monterey and NOAA CoastWatch |
| attribute | NC_GLOBAL | contributor_role | String | Source of level 2 data. |
| attribute | NC_GLOBAL | Conventions | String | COARDS, CF-1.6, ACDD-1.3 |
| attribute | NC_GLOBAL | creator_email | String | erd.data at noaa.gov |
| attribute | NC_GLOBAL | creator_name | String | NOAA NMFS SWFSC ERD |
| attribute | NC_GLOBAL | creator_type | String | institution |
| attribute | NC_GLOBAL | creator_url | String | https://www.pfeg.noaa.gov |
| attribute | NC_GLOBAL | date_created | String | 2024-10-03 |
| attribute | NC_GLOBAL | date_issued | String | 2024-10-03 |
| attribute | NC_GLOBAL | Easternmost_Easting | double | -105.0 |
| attribute | NC_GLOBAL | files | String | 2024_277_1740_m01_mo.hdf |
| attribute | NC_GLOBAL | geospatial_lat_max | double | 51.0 |
| attribute | NC_GLOBAL | geospatial_lat_min | double | 22.0 |
| attribute | NC_GLOBAL | geospatial_lat_resolution | double | 0.0125 |
| attribute | NC_GLOBAL | geospatial_lat_units | String | degrees_north |
| attribute | NC_GLOBAL | geospatial_lon_max | double | -105.0 |
| attribute | NC_GLOBAL | geospatial_lon_min | double | -145.0 |
| attribute | NC_GLOBAL | geospatial_lon_resolution | double | 0.0125 |
| attribute | NC_GLOBAL | geospatial_lon_units | String | degrees_east |
| attribute | NC_GLOBAL | geospatial_vertical_max | double | 0.0 |
| attribute | NC_GLOBAL | geospatial_vertical_min | double | 0.0 |
| attribute | NC_GLOBAL | geospatial_vertical_positive | String | up |
| attribute | NC_GLOBAL | geospatial_vertical_units | String | m |
| attribute | NC_GLOBAL | history | String | NOAA NWS Monterey and NOAA CoastWatch 2022-09-25T20:20:38Z NOAA CoastWatch (West Coast Node) and NOAA SFSC ERD |
| attribute | NC_GLOBAL | infoUrl | String | https://coastwatch.pfeg.noaa.gov/infog/AT_cldd_las.html |
| attribute | NC_GLOBAL | institution | String | NOAA NMFS SWFSC ERD |
| attribute | NC_GLOBAL | keywords | String | advanced, altitude, amount, area, ATcldd, atmosphere, avhrr, clavr, clavr-1, cloud, cloud cover, cloud_area_fraction, cloudiness, cloudmask, clouds, coastwatch, cover, data, day, daytime, degrees, Earth Science > Atmosphere > Clouds > Cloud Amount/Frequency, environmental, fraction, frequency, high, meteorology, monterey, national, noaa, nws, orbiting, poes, polar, radiometer, resolution, satellite, sea, service, sst, surface, temperature, time, US, very, vhrr, weather, west |
| attribute | NC_GLOBAL | keywords_vocabulary | String | GCMD Science Keywords |
| attribute | NC_GLOBAL | license | String | The data may be used and redistributed for free but is not intended for legal use, since it may contain inaccuracies. Neither the data Contributor, ERD, NOAA, nor the United States Government, nor any of their employees or contractors, makes any warranty, express or implied, including warranties of merchantability and fitness for a particular purpose, or assumes any legal liability for the accuracy, completeness, or usefulness, of this information. |
| attribute | NC_GLOBAL | naming_authority | String | gov.noaa.pfeg.coastwatch |
| attribute | NC_GLOBAL | Northernmost_Northing | double | 51.0 |
| attribute | NC_GLOBAL | origin | String | NOAA NWS Monterey and NOAA CoastWatch |
| attribute | NC_GLOBAL | processing_level | String | 3 |
| attribute | NC_GLOBAL | project | String | CoastWatch (https://coastwatch.noaa.gov/) |
| attribute | NC_GLOBAL | projection | String | geographic |
| attribute | NC_GLOBAL | projection_type | String | mapped |
| attribute | NC_GLOBAL | publisher_email | String | erd.data at noaa.gov |
| attribute | NC_GLOBAL | publisher_name | String | NOAA NMFS SWFSC ERD |
| attribute | NC_GLOBAL | publisher_type | String | institution |
| attribute | NC_GLOBAL | publisher_url | String | https://www.pfeg.noaa.gov |
| attribute | NC_GLOBAL | references | String | CLAVR-1 Daytime Cloudmask Info: The CLAVR-1 cloudmask (Stowe, 1999) is used to cloudmask AVHRR high resolution sea surface temperature products. The cloudmask runs a series of tests on each surface temperature pixel to determine whether the pixel is contaminated by cloud cover. Users may evaluate which specific tests in the cloudmask returned positive cloud presence results by examining the value of the cloudmask. This value corresponds to an 8 bit binary number which details which tests flagged the pixel as a cloudy pixel. See https://coastwatch.pfeg.noaa.gov/info/CLAVR.html for more information regarding the specific tests used in the cloudmask. CLAVR-1 Reference: Stowe, L. L., P. A. Davis, and E. P. McClain. Scientific basis and initial evaluation of the CLAVR-1 global clear/cloud classification algorithm for the advanced very high resolution radiometer. J. Atmos. Oceanic Technol., 16, 656-681. 1999. |
| attribute | NC_GLOBAL | satellite | String | POES |
| attribute | NC_GLOBAL | sensor | String | AVHRR HRPT |
| attribute | NC_GLOBAL | source | String | satellite observation: POES, AVHRR HRPT |
| attribute | NC_GLOBAL | sourceUrl | String | (local files) |
| attribute | NC_GLOBAL | Southernmost_Northing | double | 22.0 |
| attribute | NC_GLOBAL | standard_name_vocabulary | String | CF Standard Name Table v70 |
| attribute | NC_GLOBAL | summary | String | The CLAVR-1 cloudmask (Stowe, 1999) is used to cloudmask AVHRR high resolution sea surface temperature products. The cloudmask runs a series of tests on each surface temperature pixel to determine whether the pixel is contaminated by cloud cover. Users may evaluate which specific tests in the cloudmask returned positive cloud presence results by examining the value of the cloudmask. This value corresponds to an 8 bit binary number which details which tests flagged the pixel as a cloudy pixel. See https://coastwatch.pfeg.noaa.gov/info/CLAVR.html for more information regarding the specific tests used in the cloudmask. |
| attribute | NC_GLOBAL | testOutOfDate | String | now-2days |
| attribute | NC_GLOBAL | time_coverage_end | String | 2024-10-04T00:40:00Z |
| attribute | NC_GLOBAL | time_coverage_start | String | 2007-10-27T17:17:00Z |
| attribute | NC_GLOBAL | title | String | Cloudmask, CLAVR-1, NOAA POES AVHRR, 0.0125 degrees, West US, 2007-present, Daytime (Single Scan), Lon+/-180 |
| attribute | NC_GLOBAL | Westernmost_Easting | double | -145.0 |
| dimension | time | double | nValues=27324, evenlySpaced=false, averageSpacing=5h 26m 2s | |
| attribute | time | _CoordinateAxisType | String | Time |
| attribute | time | actual_range | double | 1.19350542E9, 1.7280024E9 |
| attribute | time | axis | String | T |
| attribute | time | fraction_digits | int | 0 |
| attribute | time | ioos_category | String | Time |
| attribute | time | long_name | String | Centered Time |
| attribute | time | standard_name | String | time |
| attribute | time | time_origin | String | 01-JAN-1970 00:00:00 |
| attribute | time | units | String | seconds since 1970-01-01T00:00:00Z |
| dimension | altitude | double | nValues=1, onlyValue=0.0 | |
| attribute | altitude | _CoordinateAxisType | String | Height |
| attribute | altitude | _CoordinateZisPositive | String | up |
| attribute | altitude | actual_range | double | 0.0, 0.0 |
| attribute | altitude | axis | String | Z |
| attribute | altitude | fraction_digits | int | 0 |
| attribute | altitude | ioos_category | String | Location |
| attribute | altitude | long_name | String | Altitude |
| attribute | altitude | positive | String | up |
| attribute | altitude | standard_name | String | altitude |
| attribute | altitude | units | String | m |
| dimension | latitude | double | nValues=2321, evenlySpaced=true, averageSpacing=0.0125 | |
| attribute | latitude | _CoordinateAxisType | String | Lat |
| attribute | latitude | actual_range | double | 22.0, 51.0 |
| attribute | latitude | axis | String | Y |
| attribute | latitude | coordsys | String | geographic |
| attribute | latitude | fraction_digits | int | 4 |
| attribute | latitude | ioos_category | String | Location |
| attribute | latitude | long_name | String | Latitude |
| attribute | latitude | point_spacing | String | even |
| attribute | latitude | standard_name | String | latitude |
| attribute | latitude | units | String | degrees_north |
| dimension | longitude | double | nValues=3201, evenlySpaced=true, averageSpacing=0.0125 | |
| attribute | longitude | _CoordinateAxisType | String | Lon |
| attribute | longitude | actual_range | double | -145.0, -105.0 |
| attribute | longitude | axis | String | X |
| attribute | longitude | coordsys | String | geographic |
| attribute | longitude | fraction_digits | int | 4 |
| attribute | longitude | ioos_category | String | Location |
| attribute | longitude | long_name | String | Longitude |
| attribute | longitude | point_spacing | String | even |
| attribute | longitude | standard_name | String | longitude |
| attribute | longitude | units | String | degrees_east |
| variable | cloudmask | float | time, altitude, latitude, longitude | |
| attribute | cloudmask | _FillValue | float | -9999999.0 |
| attribute | cloudmask | colorBarMaximum | double | 255.0 |
| attribute | cloudmask | colorBarMinimum | double | 0.0 |
| attribute | cloudmask | coordsys | String | geographic |
| attribute | cloudmask | fraction_digits | int | 0 |
| attribute | cloudmask | ioos_category | String | Meteorology |
| attribute | cloudmask | long_name | String | Daytime Cloud Mask |
| attribute | cloudmask | missing_value | float | -9999999.0 |
| attribute | cloudmask | standard_name | String | cloud_binary_mask |
| attribute | cloudmask | units | String | 8 bits, encoded |
The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.