The Defense Meteorological Satellite Program (DMSP) satellites collect visible and infrared cloud imagery as well as monitoring the atmospheric, oceanographic, hydrologic, cryospheric and near-Earth space environments. The DMSP program maintains a constellation of sun-synchronous, near-polar orbiting satellites. The orbital period is 101 minutes and inclination is 99 degrees. The atmospheric and oceanographic sensors record radiances at visible, infrared and microwave wavelengths. The solar geophysical sensors measure ionospheric plasma fluxes, densities, temperatures and velocities. DMSP visible and infrared imagery of clouds covers a 3,000 km swath, thus each satellite provides global coverage of both day night time conditions each day. The field view of the microwave imagers and sounders is only 1,500 km thus approximately 3 days data are required for one instrument to provide global coverage at equatorial latitudes. The solar geophysical instruments make in-situ measurements of ionospheric parameters, some of which vary very rapidly. The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receive the complete DMSP data stream from the Air Force Weather Agency (AFWA), Offutt Air Force Base, Omaha, Nebraska. Data are currently transmitted in near realtime from AFWA directly to the archive via a designated T1 line. Archive processing prepares orbital data sets of calibrated, quality assessed data organized as a time-series, restores data lost during transmission,and accurately computes satellite positions. NCEI maintains an archive of all data recorded on DMSP satellites as relayed to The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) by the Air Force Weather Agency. Data from March 1992 to March 1994, are considered to be experimental. After March 1994, the system was fully operational. NCEI archives contain data that are post process reconstructed, positioned and geolocated using the same software.

The United States Air Force Defense Meteorological Satellite Program (DMSP) Operational Linescan System (OLS) is a polar orbiting meteorological sensor with two spectral bands (visible and thermal infrared) capable of acquiring global coverage on a daily basis at .27 km spatial resolution. Until 1992, there was no digital archive for DMSP-OLS data. Air Force meteorologists did their analysis using visible and thermal band film strips. The National Snow and Ice Data Center maintained an archive for OLS film from 1972-1992 through a cooperative institute with NOAA. In 1992, a digital archive for the OLS data was established at the NOAA National Geophysical Data Center (NGDC). In 1996, NGDC had the film archive shipped to the Federal Records Center at the Denver Federal Center due to storage limitations.

The Defense Meteorological Satellite Program (DMSP) satellites collect visible and infrared cloud imagery as well as monitoring the atmospheric, oceanographic, hydrologic, cryospheric and near-Earth space environments. The DMSP program maintains a constellation of sun-synchronous, near-polar orbiting satellites. The orbital period is 101 minutes and inclination is 99 degrees. The atmospheric and oceanographic sensors record radiances at visible, infrared and microwave wavelengths. The solar geophysical sensors measure ionospheric plasma fluxes, densities, temperatures and velocities. DMSP visible and infrared imagery of clouds covers a 3,000 km swath, thus each satellite provides global coverage of both day night time conditions each day. The field view of the microwave imagers and sounders is only 1,500 km thus approximately 3 days data are required for one instrument to provide global coverage at equatorial latitudes. The solar geophysical instruments make in-situ measurements of ionospheric parameters, some of which vary very rapidly. The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receive the complete DMSP data stream from the Air Force Weather Agency (AFWA), Offutt Air Force Base, Omaha, Nebraska. Data are currently transmitted in near real time from AFWA directly to the archive via a designated T1 line. Archive processing prepares orbital data sets of calibrated, quality assessed data organized as a time-series, restores data lost during transmission, and accurately computes satellite positions. NCEI maintains an archive of all data recorded on DMSP satellites as relayed to The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) by the Air Force Weather Agency. Data from March 1992 to March 1994, are considered to be experimental. After March 1994, the system was fully operational. NCEI archives contain data that are post process reconstructed, positioned and geolocated using the same software.

The Defense Meteorological Satellite Program (DMSP) satellites collect visible and infrared cloud imagery as well as monitoring the atmospheric, oceanographic, hydrologic, cryospheric and near-Earth space environments. The DMSP program maintains a constellation of sun-synchronous, near-polar orbiting satellites. The orbital period is 101 minutes and inclination is 99 degrees. The atmospheric and oceanographic sensors record radiances at visible, infrared and microwave wavelengths. The solar geophysical sensors measure ionospheric plasma fluxes, densities, temperatures and velocities. DMSP visible and infrared imagery of clouds covers a 3,000 km swath, thus each satellite provides global coverage of both day night time conditions each day. The field view of the microwave imagers and sounders is only 1,500 km thus approximately 3 days data are required for one instrument to provide global coverage at equatorial latitudes. The solar geophysical instruments make in-situ measurements of ionospheric parameters, some of which vary very rapidly. The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receive the complete DMSP data stream from the Air Force Weather Agency (AFWA), Offutt Air Force Base, Omaha, Nebraska. Data are currently transmitted in near real time from AFWA directly to the archive via a designated T1 line. Archive processing prepares orbital data sets of calibrated, quality assessed data organized as a time-series, restores data lost during transmission, and accurately computes satellite positions. NCEI maintains an archive of all data recorded on DMSP satellites as relayed to The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) by the Air Force Weather Agency. Data from March 1992 to March 1994, are considered to be experimental. After March 1994, the system was fully operational. NCEI archives contain data that are post process reconstructed, positioned and geolocated using the same software.

DC3_MetNav_AircraftInSitu_DLR-Falcon_Data are meteorological and navigational data collected onboard the DLR Falcon aircraft during the Deep Convective Clouds and Chemistry (DC3) field campaign. Data collection for this product is complete.The Deep Convective Clouds and Chemistry (DC3) field campaign sought to understand the dynamical, physical, and lightning processes of deep, mid-latitude continental convective clouds and to define the impact of these clouds on upper tropospheric composition and chemistry. DC3 was conducted from May to June 2012 with a base location of Salina, Kansas. Observations were conducted in northeastern Colorado, west Texas to central Oklahoma, and northern Alabama in order to provide a wide geographic sample of storm types and boundary layer compositions, as well as to sample convection.DC3 had two primary science objectives. The first was to investigate storm dynamics and physics, lightning and its production of nitrogen oxides, cloud hydrometeor effects on wet deposition of species, surface emission variability, and chemistry in anvil clouds. Observations related to this objective focused on the early stages of active convection. The second objective was to investigate changes in upper tropospheric chemistry and composition after active convection. Observations related to this objective focused on the 12-48 hours following convection. This objective also served to explore seasonal change of upper tropospheric chemistry.In addition to using the NSF/NCAR Gulfstream-V (GV) aircraft, the NASA DC-8 was used during DC3 to provide in-situ measurements of the convective storm inflow and remotely-sensed measurements used for flight planning and column characterization. DC3 utilized ground-based radar networks spread across its observation area to measure the physical and kinematic characteristics of storms. Additional sampling strategies relied on lightning mapping arrays, radiosondes, and precipitation collection. Lastly, DC3 used data collected from various satellite instruments to achieve its goals, focusing on measurements from CALIOP onboard CALIPSO and CPL onboard CloudSat. In addition to providing an extensive set of data related to deep, mid-latitude continental convective clouds and analyzing their impacts on upper tropospheric composition and chemistry, DC3 improved models used to predict convective transport. DC3 improved knowledge of convection and chemistry, and provided information necessary to understanding the processes relating to ozone in the upper troposphere.

This data collection consists of archived Space Weather Follow On Lagrange 1 (SOL-1) Level 2 Retrospective SupraThermal Ion Sensor (STIS) data. The archival process includes daily files. The STIS instrument generates 1 file per day per level in the netCDF-4 format. These data are produced by the STIS instrument aboard the SOL-1 spacecraft. The SupraThermal Ion Sensor (STIS) is a solid-state spectrometer device that measures suprathermal ions and electrons across a broad range of energies. STIS provides real-time, continuous observations to ensure early warning of various space weather impacts. SOL-1 will launch in 2025. Other products available are auxiliary files (frm-rt-l0_sol1, frm-st-l0_sol1, pkt-l0_sol1, orb-pr_sol1, sc-att_sol1); STIS files (stis-l0b-sol1, stis-l1a_sol1, stis-l1b_sol1, stis-l2_sol1, and stis-l3-avg1m_sol1); and, National Centers for Environmental Data (NCEI) Retrospective Science products (sci_stis-l1a_sol1, sci_stis-l1b_sol1, and sci_stis-l3-avg1m_sol1).

This data collection consists of archived Space Weather Follow On Lagrange 1 (SOL-1) Level 1b data from the SupraThermal Ion Sensor (STIS). The archival process includes daily files. The STIS instrument generates 1 file per day per level in the netCDF-4 format. These data are produced by the STIS instrument aboard the SOL-1 spacecraft. The SupraThermal Ion Sensor (STIS) is a solid-state spectrometer device that measures suprathermal ions and electrons across a broad range of energies. STIS provides real-time, continuous observations to ensure early warning of various space weather impacts. SOL-1 will launch in 2025. Other products available are auxiliary files (frm-rt-l0_sol1, frm-st-l0_sol1, pkt-l0_sol1, orb-pr_sol1, sc-att_sol1); STIS files (stis-l0b_sol1, stis-l1a_sol1, stis-l2_sol1, and stis-l3-avg1m_sol1); and, National Centers for Environmental Data (NCEI) Retrospective Science products (sci_stis-l1a_sol1, sci_stis-l1b_sol1, sci_stis-l2_sol1, and sci_stis-l3-avg1m_sol1).

This data collection consists of archived Space Weather Follow On Lagrange 1 (SOL-1) Level 1a data from the SupraThermal Ion Sensor (STIS). The archival process includes daily files. The STIS instrument generates 1 file per day per level in the netCDF-4 format. These data are produced by the STIS instrument aboard the SOL-1 spacecraft. The SupraThermal Ion Sensor (STIS) is a solid-state spectrometer device that measures suprathermal ions and electrons across a broad range of energies. STIS provides real-time, continuous observations to ensure early warning of various space weather impacts. SOL-1 will launch in 2025. Other products available are auxiliary files (frm-rt-l0_sol1, frm-st-l0_sol1, pkt-l0_sol1, orb-pr_sol1, sc-att_sol1); STIS files (stis-l0b_sol1, stis-l1b_sol1, stis-l2_sol1, and stis-l3-avg1m_sol1); and, National Centers for Environmental Data (NCEI) Retrospective Science products (sci_stis-l1a_sol1, sci_stis-l1b_sol1, sci_stis-l2_sol1, and sci_stis-l3-avg1m_sol1).

This data collection consists of archived Space Weather Follow On Lagrange 1 (SOL-1) Level 1b Retrospective SupraThermal Ion Sensor (STIS) data. The archival process includes daily files. The STIS instrument generates 1 file per day per level in the netCDF-4 format. These data are produced by the STIS instrument aboard the SOL-1 spacecraft. The SupraThermal Ion Sensor (STIS) is a solid-state spectrometer device that measures suprathermal ions and electrons across a broad range of energies. STIS provides real-time, continuous observations to ensure early warning of various space weather impacts. SOL-1 will launch in 2025. Other products available are auxiliary files (frm-rt-l0_sol1, frm-st-l0_sol1, pkt-l0_sol1, orb-pr_sol1, sc-att_sol1); STIS files (stis-l0b-sol1, stis-l1a_sol1, stis-l1b_sol1, stis-l2_sol1, and stis-l3-avg1m_sol1); and, National Centers for Environmental Data (NCEI) Retrospective Science products (sci_stis-l1a_sol1, sci_stis-l2_sol1, and sci_stis-l3-avg1m_sol1).

This data collection consists of archived Space Weather Follow On Lagrange 1 (SOL-1) Level 2 data from the Solar Wind Plasma Sensor (SWiPS). The archival process includes daily files. The SWiPS instrument generates 1 file per day per level in the netCDF-4 format. These data are produced by the SWiPS instrument aboard the SOL-1 spacecraft. SWiPS monitors the solar wind for abrupt changes, which can result from interplanetary shocks, coronal mass ejections, corotating interaction regions or high speed solar wind, because these can cause geomagnetic storms that are harmful to life and technology. SOL-1 will launch in 2025. Other products available are auxiliary files (frm-rt-l0_sol1, frm-st-l0_sol1, pkt-l0_sol1, orb-pr_sol1, sc-att_sol1); SWiPS files (swips-l0b_sol1, swips-l1a_sol1, swips-l1b_sol1, and swips-l3-avg1m_sol1); and, National Centers for Environmental Data (NCEI) Retrospective Science products (sci_swips-l1a_sol1, sci_swips-l1b_sol1, sci_swips-l2_sol1, and sci_swips-l3-avg1m_sol1).