The first case study is of the great flood of 1996 in western Oregon. This study is authored by George S. Taylor, State Climatologist for Oregon. A series of intense surges of subtropical moisture inundated western Oregon during the period February 5-9. The combination of record-breaking rain, warm temperatures, and a deep snowpack led to severe flooding throughout northern sections of the state. River flood stages were comparable in magnitude to the December, 1964 flood, the largest in Oregon since flood control reservoirs were built in the 1940's and 1950's On this World Wide Web page you will find a detailed discussion of this weather event. In addition there are several tables covering observed, normal, 4-day total, and record precipitation amounts for various Oregon observing sites. Flood summaries issued by the National Weather Service in Portland and US Army Corps of Engineers are available. GIF files of 24 hour precipitation from NEXRAD radar, infrared satellite images, 500 MB weather chart, and stream flow diagrams may all be downloaded from this site. The stream flow diagrams are for the Hood, McKenzie, and Nehalem rivers. Photographs of the flood ravaged region may be downloaded for viewing. This February 1996 case study is available on the Oregon Climate Service Home Page. Link to: "http://www.ocs.orst.edu/reports/flood96/flood96.html" ----------------------------------------------------------------- Record-breaking precipitation throughout much of Oregon caused local flooding, landslides, and power outages over much of the state during November 18-20. The rain resulted from a broad upper-air weather system of moist subtropical air which originated over the tropical Pacific. The air mass reached central California over the previous weekend, producing rainfall daily amounts as much as 8 inches. Gradually the system moved northward, reaching southwestern Oregon on the 17th and spreading to the remainder of the state the following day. High rainfall amounts were reported throughout the state. USGS hydrographs for several stations in Oregon may be downloaded from This World Wide Web site. In addition, local pictures of the flooding in Corvallis on November 20 and 21 1996 may be downloaded for viewing. This November 1996 case study is available on the Oregon Climate Service Home Page. Link to: "http://www.ocs.orst.edu/reports/flood1196/Nov96_flood.html"

• OREG_CLIM_FLOOD_96

SCIOPS Short Name: OREG_CLIM_FLOOD_96 Version ID: Not provided Unique ID: C1214593841-SCIOPS

CER_ISCCP-D2like-Mrg_GEO-MODIS-DAY_Edition3A is the Clouds and the Earth's Radiant Energy System (CERES) Moderate Resolution Imaging Spectroradiometer (MODIS) and Geostationary Satellite (GEO) Cloud Retrievals in International Satellite Cloud Climatology Project (ISCCP) – Day 2like Format Daytime Edition3A data product. This product is a merge of data from the following platforms and instruments: Spinning Enhanced Visible and Infrared Imager (SEVIRI) on Meteosat Operational Programme 10 (METEOSAT-10); Japanese Advanced Meteorological Imager (JAMI) on The Multi-functional Transport Satellite 2 (MTSAT-2); SEVIRI on METEOSAT-9; Visible and Infrared Spin Scan Radiometer (GMS Series) on (VISSR-GMS) on Geostationary Meteorological Satellite-5 (GMS-5); SEVIRI on METEOSAT-8; Geostationary Operational Environmental Satellite (GOES) I-M IMAGER on Geostationary Operational Environmental Satellite 9 (GOES-9); GOES-11 IMAGER on GOES-11; GOES N-P IMAGER on GOES-13; GOES-8 IMAGER on GOES-8; GOES I-M IMAGER on GOES-10; SEVIRI on METEOSAT-7; MODIS on Terra; GOES N-P IMAGER on GOES-14; MVIRI on METEOSAT-5; GOES-12 IMAGER on GOES-12; GOES-15 IMAGER on GOES-15; MODIS on Aqua; JAMI on Multi-functional Transport Satellite 1 Replacement (MTSAT-1R). Data collection for this product is complete. The Monthly Gridded Cloud Averages (ISCCP-D2like-Mrg) data products contain monthly and monthly 3-hourly (GMT-based) gridded regional mean cloud properties as a function of 18 cloud types, similar to the ISCCP D2 product, where the cloud properties are stratified by pressure, optical depth, and phase. The merged (Mrg) product combines daytime cloud properties from Terra-MODIS (10:30 AM local equator crossing time LECT), Aqua-MODIS (1:30 PM LECT), and geostationary satellites (GEO) to provide the most diurnally complete daytime ISCCP-D2like product. The GEO cloud properties have been normalized with MODIS for diurnal consistency. The CERES MODIS-derived cloud properties are not the official NASA MODIS cloud retrievals but are based on the CERES cloud working group retrievals that are also available in other CERES products. The CERES MODIS-derived cloud properties provide coverage from pole to pole. The 3-hourly GMT-based GEO cloud properties come from five satellites at 8 km nominal resolution with limited coverage. The GEO daytime cloud retrievals incorporate only a visible and IR channel common to all geostationary satellites for spatial consistency. The geostationary calibration is normalized to Terra-MODIS. Each ISCCP-D2like file covers a single month. CERES is a key Earth Observing System (EOS) program component. The CERES instruments provide radiometric measurements of the Earth's atmosphere from three broadband channels. The CERES missions follow the successful Earth Radiation Budget Experiment (ERBE) mission. The first CERES instrument, the protoflight model (PFM), was launched on November 27, 1997, as part of the Tropical Rainfall Measuring Mission (TRMM). Two CERES instruments (FM1 and FM2) were launched into polar orbit on board the Earth Observing System (EOS) flagship Terra on December 18, 1999. Two additional CERES instruments (FM3 and FM4) were launched on board Earth Observing System (EOS) Aqua on May 4, 2002. The CERES FM5 instrument was launched on board the Suomi National Polar-orbiting Partnership (NPP) satellite on October 28, 2011. The newest CERES instrument (FM6) was launched on board the Joint Polar-Orbiting Satellite System 1 (JPSS-1) satellite, now called NOAA-20, on November 18, 2017.

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LARC_ASDC Short Name: CER_ISCCP-D2like-Mrg_GEO-MODIS-DAY Version ID: Edition3A Unique ID: C7019527-LARC_ASDC

This case contains data from a high plains snow event on 13-14 March 1996 over Northern Colorado and Southern Wyoming. For more information, see: http://data.eol.ucar.edu/codiac/projs?COMET_CASE_007

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• COMET007_UCAR_JOSS_NOAA_CODIAC

SCIOPS Short Name: COMET007_UCAR_JOSS_NOAA_CODIAC Version ID: Not provided Unique ID: C1214584238-SCIOPS

This case covers a wide range of convective weather extending from Texas and Oklahoma to Tennessee and Alabama, including the tornado that touched down in Jarrell, TX. For more information, see: http://data.eol.ucar.edu/codiac/projs?COMET_CASE_010

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• COMET010_UCAR_JOSS_NOAA_CODIAC

SCIOPS Short Name: COMET010_UCAR_JOSS_NOAA_CODIAC Version ID: Not provided Unique ID: C1214584316-SCIOPS

A strong winter storm system moved over Southern California and brought heavy rain as tropical moisture fed into the system. At the same time, an intense storm system moved across Florida with tornadoes forming over the central part of the state. For more information, see: http://data.eol.ucar.edu/codiac/projs?COMET_CASE_013

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• COMET013_UCAR_JOSS_NOAA_CODIAC

SCIOPS Short Name: COMET013_UCAR_JOSS_NOAA_CODIAC Version ID: Not provided Unique ID: C1214584317-SCIOPS