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EOL data archive

The EOL data archive contains atmospheric, meteorological, and other geophysical datasets from operational sources and the scientific research programs and projects for which NCAR/EOL has provided data management support. The project list may be sorted by selecting the header keys and full project descriptions and dataset lists are available by selecting the project title. You may search for projects with the form below. You may also search for datasets by keyword or space and time.

Projects

460 projects (60 shown)

Name: Title / Summary Begin Date (UTC) End Date (UTC)
ONT: Organic Nuclei Tests
In weather modification programs, ice nucleating materials, and their proper seeding in response to cloud characteristics, control the results. Economical, environmental and technical aspects of existing, or possible future, problems with commonly used...
1982-01-16 00:00:00 1982-02-16 11:59:59
MSS-81: Marine Stratus Studies - 1981
The Marine Stratus Studies (MSS) project, led by Dr. James W. Telford, studied the marine stratus near the California coast. This project was aimed at explaining the development of the dynamics, microphysics and radioactive properties of stratus clouds...
1981-09-23 00:00:00 1981-10-12 23:59:59
OCFS: Ozone Conservation and Flux Studies
The main objective of the Ozone Conservation and Flux Studies (OCFS) experiment, was to describe the structure and scale of the momentum, temperature and moisture perturbations which were of primary importance to the storage and transport of energy...
1981-07-07 00:00:00 1981-08-01 23:59:59
CCOPE: Cooperative Convective Precipitation Experiment
The Bureau of Reclamation (BuREC) and the National Center for Atmospheric Research (NCAR) collaborated in a joint field program called the Cooperative Convective Precipitation Experiment (CCOPE) that was conducted near Miles City, Montana (22 May - 7...
1981-05-18 00:00:00 1981-08-07 23:59:59
CODE-I: First COastal Dynamics Experiment
The purpose of the First COastal Dynamics Experiment (CODE-I) project was to identify and study important dynamical processes that govern the wind-driven motion of coastal water over the continental shelf. Measurements of the wind field, momentum, heat...
1981-04-21 00:00:00 1981-05-20 23:59:59
OPUS-I: Organization of Persistent Upwelling Structures - I
The goal of the Organization of Persistent Upwelling Structures (OPUS) experiment was to understand the role of persistent upwelling structures in the relationship between circulation and plankton distribution. QueenAir, A-80 aircraft measurements were...
1981-03-18 00:00:00 1981-03-31 23:59:59
JetStream-81: Project Jet Stream - 1981
Project Jet Stream investigated the structure of the jet stream, associated fronts and stratospheric tropospheric exchanges. It is also focused on observing the geostrophic character of the wind field at and in the vicinity of the jet stream. This...
1981-02-16 00:00:00 1981-04-04 23:59:59
LAS: Laser Absorption Spectroscopy
The Laser Absorption Spectroscopy (LAS) project focused on testing the usefulness of tunable laser absorption spectroscopy for the measurement of atmospheric trace gases. Dr. William Mankin flew a tunable infrared diode laser and a small white...
1981-01-19 00:00:00 1981-02-09 23:59:59
LESS-80: Lake Effect Snow Storms - 1980
Lake-induced clouds and snowstorms are important elements of winter weather in the Great Lakes Region. The Lake Effect Snow Storms - 1980 (LESS-80) experiment was a continuation of research that began in 1977. This experiment used the, B-80 QueenAir to...
1980-12-01 00:00:00 1981-01-22 23:59:59
STREX: Storm Transfer and Response Experiment
The main objectives of project Storm Transfer and Response Experiment (STREX) were to determine the physical process of the boundary layers of the atmosphere and ocean in mid-latitude storms and the interactions of the two boundary layers as well as...
1980-11-15 00:00:00 1980-12-14 23:59:59
SANDHILLS: Nebraska Sandhills Surface Roughness Experiment
The Nebraska Sandhills Surface Roughness Experiment (SANDHILLS) collected measurements of wind speed, temperature and other parameters including pressure and geometric height, utilizing the NCAR QueenAir, A-80 aircraft in the boundary layer over the...
1980-08-20 00:00:00 1980-08-20 23:59:59
Q80: Queimadas 1980
Vegetative fires in the tropical regions are one of the major sources that are responsible for trace gases in the global atmosphere. Forest clearing is a major component of this category. Queimadas '80 (Q80) utilized the Sabreliner, Model 60 aircraft...
1980-08-11 00:00:00 1980-09-09 23:59:59
MIC-80: Mountain-Induced Convection - 1980
The Mountain-Induced Convection (MIC) project focused on making measurements of the flow patterns, thermodynamics, and transport properties of moist convective systems induced by the Magdalene Mountains in New Mexico. This was an extension of...
1980-07-24 00:00:00 1980-08-09 23:59:59
ASE: Arctic Stratus Experiment
The main objective of the Arctic Stratus Experiment (ASE) was to gather an internally consistent set of radioactive and microphysical data on Arctic stratus, as well as to concurrently observe the state parameters, wind and turbulence to provide a...
1980-06-13 00:00:00 1980-06-30 23:59:59
O3DEST: Ozone Destruction Flux Experiment
The Ozone Destruction Flux Experiment (O3DEST) utilized the QueenAir, A-80 aircraft to make direct eddy flux measurements of ozone with fast response ozone sensors. The measurements were used in two ways: first, as a tracer in the study of boundary...
1980-06-02 00:00:00 1980-06-20 23:59:59
TexasHIPLEX: Texas High Plains Experiment
The objective of the Texas High Plains Experiment (Texas HIPLEX) was to identify the important precipitation initiation mechanisms in cumulus congestus clouds in West Texas. Of particular importance was a specification of the respective roles played by...
1980-05-16 00:00:00 1980-06-15 23:59:59
CZWEP: Coastal Zone Wind Energy Project
The Coastal Zone Wind Energy Project (CZWEP) focused on developing a procedure for locating optimum regions for wind energy conversions within the coastal zone of the U.S. Dr. Michael Garstang utilized the QueenAir, B-80 aircraft to determine two...
1980-01-24 00:00:00 1980-02-05 23:59:59
COSE-79: Colorado Orographic Seeding Experiment - 1979
Professor Lewis O. Grant utilized the QueenAir, B-80 aircraft to investigate the solution to key physical problems in the development of a weather modification technology of broad applicability, as well as for the immediate area of study, the Colorado...
1979-11-17 00:00:00 1979-12-22 23:59:59
HUMS: Humidity Sensing
The objective of the Humidity Sensing (HUMS) project was to create a humidity sensor that was much faster, and also capable of measuring lower humidity levels, than was possible with existing technology.  Since H2O is a major factor in atmospheric...
1979-11-06 00:00:00 1979-11-06 23:59:59
Upslope: Climatology of Upslope Stratocumulus
For the Climatology of Upslope Stratocumulus (Upslope) experiment, Drs. Helmut Weickmann and Herbert Riehl utilized a QueenAir, B-80 aircraft to study the feasibility of seeding high plains upslope stratocumulus cloud systems for precipitation...
1979-11-03 00:00:00 1979-12-28 23:59:59
FORMATION: QueenAir Formation
The QueenAir Formation (FORMATION) project investigated the methods which multi-aircraft experiments utilize to collect data from onboard instruments and the variance in the respective data caused by turbulence. Dr. Donald Lenschow flew two QueenAir...
1979-09-10 00:00:00 1979-09-19 23:59:59
SAVE-79: Stratospheric Aerosol Validation Experiment - 1979
The Stratospheric Aerosol Validation Experiment (SAVE) took place in two short periods: November 1978 and July 1979. These periods were planned to coincide with field measurement programs to obtain “ground truth” observations for validation of the...
1979-07-16 00:00:00 1979-07-21 23:59:59
VINN: VINN
VINN project collected PAM data from 28 PAM stations from 19790715 to 19790829.
1979-07-15 00:00:00 1979-08-29 23:59:59
SummerMONEX: Summer Monsoon Experiment
The Monsoon Experiment (MONEX) was the core of the Global Atmospheric Research Program (GARP) Monsoon subprogram, which was a major international effort to achieve a better understanding of the planetary monsoon circulation, the major seasonal...
1979-06-04 00:00:00 1979-07-25 23:59:59
NBL: Nocturnal Boundary Layer
The Nocturnal Boundary Layer (NBL) project investigated the vertical structure of the nocturnal boundary layer under clear conditions. The main objectives of this project were to observe the turbulent flux structure with respect to the position of the...
1979-05-01 00:00:00 1979-05-09 23:59:59
LittleSESAME: Little SESAME
Professor John McCarthy of the University of Oklahoma conducted a joint project, Little SESAME which utilized two National Center of Atmospheric Research (NCAR) aircraft, the QueenAir, A-80 and the Sabreliner, Model 60, to: 1) investigate the kinematic...
1979-04-10 00:00:00 1979-06-11 23:59:59
CYCLES-79: Cyclonic Extratropical Storms - 1979
The Cyclonic Extratropical Storms (CYCLES) project investigated the properties of extratropical cyclonic storms and their associated precipitation off the coast of Washington. This project provided the basis for important new knowledge conceding the...
1979-03-03 00:00:00 1979-03-28 23:59:59
JetStream-79: Project Jet Stream - 1979
Project Jet Stream investigated the structure of the jet stream, associated fronts and stratospheric tropospheric exchanges. It is also focused on observing the geostrophic character of the wind field at and in the vicinity of the jet stream.
1979-03-01 00:00:00 1979-03-12 23:59:59
MAF: Mountain Airflow
The main objective of project Mountain Airflow (MAF) was to observe the spatial distribution of airflow, temperature and turbulence in and adjacent to the planetary boundary layer in the undisturbed flow upwind as well as the disturbed flow downwind of...
1979-02-15 00:00:00 1979-02-28 23:59:59
SSN: Sea Salt Nuclei
Professor Podzimek lead the Sea Salt Nuclei (SSN) project in order to study sea salt nuclei during the winter and summer seasons near and over Padre Island just off the coast of Texas. This study concentrated on the evolution and transformation of the...
1979-01-12 00:00:00 1979-01-19 23:59:59
SAVE-78: Stratospheric Aerosol Validation Experiment - 1978
The Stratospheric Aerosol Validation Experiment (SAVE) took place in two short periods: November 1978 and July 1979. These periods were planned to coincide with field measurement programs to obtain “ground truth” observations for validation of the...
1978-11-17 00:00:00 1978-11-25 23:59:59
WinterMONEX: Winter Monsoon Experiment
The Monsoon Experiment (MONEX) was the core of the Global Atmospheric Research Program (GARP) Monsoon subprogram, which was a major international effort to achieve a better understanding of the planetary monsoon circulation, the major seasonal...
1978-11-17 00:00:00 1978-12-31 23:59:59
CPSUP: Cloud Physics of Snow and Urban Plumes
The Cloud Physics of Snow and Urban Plumes (CPSUP) project concentrated on the physics and dynamics of winter snowstorms in the Midwest. Dr. Roscoe R. Braham focused on the Lake Michigan area where a number of significant meteorological problems could...
1978-11-03 00:00:00 1978-12-19 23:59:59
PHOENIX-78: Project PHOENIX - 1978
The main objective of project PHOENIX, named after the convective boundary layer, like the bird of mythology, which rises anew each day out of the "ashes" of the Planetary Boundary Layer (PBL) from the previous day, was to describe the structure and...
1978-09-01 00:00:00 1978-09-28 23:59:59
MET: Mass and Energy Transport
The Mass and Energy Transport (M. E. T) project focused on atmospheric observations over the Pacific Ocean, west of the Mount Sutro Tower in San Francisco. It also studied the process of quantifying the transport of mass and energy through...
1978-08-03 00:00:00 1978-08-16 23:59:59
JASIN: Joint Air Sea INteraction experiment
For the Joint Air Sea Interaction (JASIN) project, the L-188 Electra was utilized to obtain horizontal distributions of fluxes of momentum, heat and water vapor over the JASIN array. This experiment was conducted in coordination with the UK C-130...
1978-07-20 00:00:00 1978-09-01 23:59:59
CONS: Convective Storms
The Convection Storms (CONS) project utilized the QueenAir, B-80 and A-80 aircrafts to measure the precipitation growth generated in convective clouds. It resolved some of the existing uncertainties pertaining to precipitation growth taking place...
1978-07-01 00:00:00 1978-07-31 23:59:59
MIC-78: Mountain-Induced Convection - 1978
The Mountain-Induced Convection (MIC) project focused on making measurements of the flow patterns, thermodynamics, and transport properties of moist convective systems induced by the Magdalene Mountains in New Mexico.
1978-05-22 00:00:00 1978-06-08 23:59:59
NIMROD: NIMROD
NIMROD data is from Minnessota during the spring of 1978. 
1978-05-19 00:00:00 1978-06-29 23:59:59
GLALE: Great Lakes Aerosol Loading Experiment
The Great Lakes Aerosol Loading Experiment (GLALE) was led by Dr. Herman Sievering, who investigated the loading of Lake Michigan, deriving from airborne particulate deposition. He measured the state and airflow parameters and aerosol concentration...
1978-05-16 00:00:00 1978-05-26 23:59:59
GAMETAG-78: Global Atmospheric Measurements Experiment on Tropospheric Aerosols and Gases - 1978
Because of the unique roll played by the hydroxide (OH) free radical in controlling tropospheric chemistry, the Global Atmospheric Measurements Experiment on Tropospheric Aerosols and Gases (GAMETAG) project collected measurements of tropospheric OH....
1978-04-27 00:00:00 1978-06-01 23:59:59
BAO: Boulder Atmospheric Observatory Tower Study
The Boulder Atmospheric Observatory Tower Study (BAO) evaluated the effects of horizontal inhomogeneities in the earth’s surface on the Boulder Atmospheric Observatory tower measurements. Spatially averaged airplane measurements were compared to time...
1978-04-17 00:00:00 1978-04-28 23:59:59
EAE: Extended Area Effect
The Extended Area Effects (EAE) project aimed at observing the dynamical and microphysical structure of the upwind target cloud, the downwind region and the downwind target cloud as well as long range plume tracing. It also emphasized the long-range...
1978-01-26 00:00:00 1978-02-28 23:59:59
SNOP: Snow Physics
For the Snow Physics (SNOP) project, radar and aircraft data were presented in the form of case studies for three shoreline-parallel snow bands that occurred over lake Michigan. In all three cases a winter land breeze from one or both shores was shown...
1977-11-02 00:00:00 1977-12-16 23:59:59
GAMETAG-77: Global Atmospheric Measurements Experiment on Tropospheric Aerosols and Gases - 1977
Because of the unique roll played by the hydroxide (OH) free radical in controlling tropospheric chemistry, the Global Atmospheric Measurements Experiment on Tropospheric Aerosols and Gases (GAMETAG) project collected measurements of tropospheric OH....
1977-08-07 00:00:00 1977-09-06 23:59:59
MONEX-77: Monsoon Experiment
The Monsoon Experiment (MONEX) was the core of the Global Atmospheric Research Program (GARP) Monsoon subprogram, which was a major international effort to achieve a better understanding of the planetary monsoon circulation, the major seasonal...
1977-06-07 00:00:00 1977-07-04 23:59:59
OKMESO: Soil Moisture and Surface Meteorological data
The Oklahoma Mesonet is a permanent mesoscale observing network. The Mesonet consists of 115 stations, including at least one station in each of Oklahoma's 77 counties. The average station spacing is 32 km. Mesonet sites are predominantly located in...
1977-01-01 00:00:00 2007-12-31 23:59:59
GAMETAG-76: Global Atmospheric Measurements Experiment on Tropospheric Aerosols and Gases - 1976
Because of the unique roll played by the hydroxide (OH) free radical in controlling tropospheric chemistry, the Global Atmospheric Measurements Experiment on Tropospheric Aerosols and Gases (GAMETAG) project collected measurements of tropospheric OH....
1976-07-23 00:00:00 1976-07-23 23:59:59
PPP: Power Plant Plume
The objectives of the Power Plant Plume (PPP) project were: first, to demonstrate the importance or lack of importance of hydroxide (OH) oxidized Sulfur Dioxide (SO2) in power plant plumes via the direct in-situ measurement of the OH free radical, and...
1976-07-16 00:00:00 1976-07-16 23:59:59
AIDJEX-II: Arctic Ice Dynamics Joint Experiment - II
The Arctic Ice Dynamics Joint EXperiment (AIDJEX) was designed to obtain the fundamental data needed to construct boundary layer and ice dynamics models for the Arctic Ocean. An in-depth comprehension of the dynamics of this region is important for...
1976-02-07 00:00:00 1976-02-17 23:59:59
GRAVE-I: GRAVE - I Volcano
A Lockheed L-188 Electra was made available to interested scientists for a few days prior to and following the Arctic Ice Dynamics Joint Experiment (AIDJEX) in Point Barrow, Alaska, which was specially equipped for cloud physics and atmospheric...
1976-02-01 00:00:00 1976-02-21 23:59:59
BLD: Boundary Layer Development
The Boundary Layer Development (BLD) project, also known as "Haswell", flew the L-188 Electra aircraft past an instrumented tall tower operated by the National Oceanic and Atmospheric Administration (NOAA) in Southeastern Colorado near the small city...
1975-09-15 00:00:00 1975-09-23 23:59:59
AIDJEX-I: Arctic Ice Dynamics Joint Experiment - I
The Arctic Ice Dynamics Joint EXperiment (AIDJEX) was designed to obtain the fundamental data needed to construct boundary layer and ice dynamics models for the Arctic Ocean. An in-depth comprehension of the dynamics of this region is important for...
1975-07-19 00:00:00 1975-07-27 23:59:59
DUSTORM: Project DUSTORM
Project DUSTORM investigated the influences of both large-scale cyclogenesis and microphysical processes caused by atmospheric aerosols on the production of severe convective storms. The L-188 Electra aircraft was utilized in collecting data for this...
1975-04-18 00:00:00 1975-04-27 23:59:59
OAFSS: Ocean/Atmosphere Flux Scale Study
For the Ocean/Atmosphere Flux Scale Study (OAFSS), the space scale of Ocean/Atmosphere fluxes of sensible and latent heat, as well as momentum, was measured directly via ‘correlation techniques’ with the L-188 Electra aircraft. This scale information...
1975-03-07 00:00:00 1975-03-13 23:59:59
GATE: GARP Atlantic Tropical Experiment
The Global Atmospheric Research Program's (GARP) Atlantic Tropical Experiment took place in the summer of 1974. Because of its enormous size (72 nations were involved) and scope, the GATE experiment was divided into a Central Program, which ensured...
1974-06-15 00:00:00 1974-09-23 23:59:00
BOMEX: Barbados Oceanographic and Meteorological EXperiment
The Barbados Oceanographic and Meteorological EXperiment (BOMEX) was conducted from 1 May to 28 July 1974 as a joint project of seven US departments and agencies with the cooperation of Barbados. Its primary objective was to measure the rate of...
1974-05-01 00:00:00 1974-07-28 23:59:00
ARCSS: NSF Arctic System Science
The National Science Foundation's (NSF) Arctic System Science (ARCSS) Program is a multidisciplinary approach to understanding polar processes for climate and global change. ARCSS is the only element of the U.S. Global Change Research Program...
1971-01-01 00:00:00 2011-09-30 23:59:00
LIE: Line Islands Experiment
During March and April 1967, field parties from NCAR and other meteorological research organizations, universities, and governmental agencies established research bases in the Line Islands, a group of small atolls more than 1000 miles south of Hawaii....
1967-03-01 00:00:00 1967-04-30 23:59:59
Operational: Operational Datasets
The collection of datasets that are run on an ongoing or operational basis.
1750-01-01 00:00:00 9999-12-31 23:59:59