Email:  Password:  
  Forgot Password?  Register Now
UCAR > NCAR > CISL
Go to Dataset: 
 
Home Software/Documentation Ancillary Services People Help For Staff Contact Us
  ds461.0 Home Page Help
NCEP ADP Global Surface Observations, daily, April 2000 - continuing

DSS presents a global synoptic set of hourly surface data reports. These were operationally collected by the National Centers for Environmental Prediction (NCEP). The data includes land and marine reports received via the Global Telecommunications System (GTS). Variables recorded in the reports include pressure, temperature, dewpoint depression, wind direction and speed. Precipitation data has been decoded for the U.S. and Canada. A similar dataset, DS464.0, has been derived from this dataset since April 2000.

The ADPSFC data includes SYNOP, METAR, AWOS, and ASOS land report types. The SFCSHP data includes moving ship, fixed ship, MARS (moving and fixed) and buoy (moored and drifting) marine report types. Reports number in the thousands. Note: Ship data has been stripped from all BUFR files ranging from Dec 12, 2007 to the present. Users can find near-realtime ship data in NCEP's PREPBUFR data DS337.0. Long term ship data can be found in the ICOADS dataset DS540.0.

This dataset is maintained in NCEP BUFR format, and updated monthly by DSS using weekly files prepared by NCEP. Software which extracts data from the BUFR file, and places it into a basic text file, can be found in BUFRdecode_ADPsfc.tar . Data archived within this dataset spans the period from April 2000 to near current. DS464.0 provides the same data from 1973 to near current in NMC Office Note 29 (ON29) format. BUFR format reports contain additional information that is not carried over to ON29 format, including the the original raw GTS string reports. Similar data produced at the National Climatic Data Center (NCDC) from a USAF binary set (DATSAV2) is available in ds463.2, covering the period from 1901 to near current.

More information is available.



Click a icon for more details
PERIODS: 2008-05-31 to 2008-06-30 (GDAS Surface Observations, 2000apr-current)
UPDATES: Monthly (nominally)
VARIABLES:
Air TemperatureCloud Amount/FrequencyCloud BaseCloud Types
Dew Point TemperaturePrecipitation AmountSea Level PressureSea Surface Temperature
SnowStation HeightSurface PressureSurface Winds
VisibilityWave HeightWave PeriodWave Speed/Direction
TIMES:
TYPES: Platform Observation
COVERAGE: See the detailed metadata for coverage information
SOURCES: DOC/NOAA/NWS/NCEP
National Centers for Environmental Prediction, National Weather Service, NOAA, U.S. Department of Commerce
VOLUME: 137.74 GBytes (Entire dataset)
Volume details by subset
FORMATS: WMO BUFR
CONTACT: For assistance with this dataset, please contact Doug Schuster (303-497-1216) . If the specialist is unavailable, please contact Data Help.
RELATED DATASETS: ds336.0 - Historical Unidata Internet Data Distribution (IDD) Global Observational Data, May 2003 - current
ds337.0 - NCEP ADP Global Upper Air and Surface (PREPBUFR format) Observations, daily, April 2008 - Continuing
ds351.0 - NCEP ADP Global Upper Air Observation Subsets, daily, April 2000 - continuing
ds464.0 - NCEP ADP Global Surface Observations, February 1975 - continuing

METADATA: View more detailed metadata for this dataset
DATA ACCESS: Click the tab here or in the navigation bar at the top of the page.
COMMENTS: (0) comments about this dataset from other users
Sign in to add your comment

© 2008, UCAR  |  Privacy Policy  |  Terms of Use  |  Webmaster