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RISA Comparison of the Normalized Difference Vegetation Index and Rainfall for the Amazon and Northeastern Brazil
Publisher: American Meteorological Society
Abstract: This paper presents a comparison of the normalized difference vegetation index (NDVI) and rainfall for the Amazon and northeastern Brazil for the time period of 1988?90. The analysis shows that the NDVI and rainfall are ...
Infrared and Visible Satellite Rain Estimation. Part II: A Cloud Definition Approach
Publisher: American Meteorological Society
Abstract: This study examines the relationships between satellite infrared clouds and rainfall, and infrared-threshold visible clouds and rainfall. Clouds are defined by the outline of the 253 K isotherm. Cloud infrared area was ...
Infrared and Visible Satellite Rain Estimation. Part I: A Grid Cell Approach
Publisher: American Meteorological Society
Abstract: The relationships between satellite-viewed cloudy (or partly cloudy) grid cells and the variability of the precipitation contained therein are explored. Using a 32 km grid and 30 min interval visible, infrared and radar ...
A Satellite Infrared Technique to Estimate Tropical Convective and Stratiform Rainfall
Publisher: American Meteorological Society
Abstract: This paper describes a new method of estimating both tropical convective precipitation and stratiform precipitation (produced under the anvils of mature and decaying convective systems) from satellite infrared data. The ...
Moisture Convergence Using Satellite-Derived Wind Fields: A Severe Local Storm Case Study
Publisher: American Meteorological Society
Abstract: Five-minute interval 1 km resolution SMS visible channel data were used to derive low-level wind fields by tracking small cumulus clouds on NASA's Atmospheric and Oceanographic Information Processing System (AOIPS). The ...
An Intercomparlson of Three Satellite Infrared Rainfall Techniques over Japan and Surrounding Waters
Publisher: American Meteorological Society
Abstract: This paper compares and contrasts three satellite infrared methods of estimating rainfall. The World Climate Research Programme's Global Precipitation Climatology Project held its first algorithm intercomparison during ...
A Narrow Clear Zone Over Florida and the Atlantic Ocean
Publisher: American Meteorological Society
Abstract: A narrow cloud-free zone of large longitudinal extent was observed in visible and infrared satellite imagery on 21 September 1978. An attempt to explain the zone in terms of subsidence induced by a transverse frontal ...
Relation of Satellite-Based Thunderstorm Intensity to Radar-Estimated Rainfall
Publisher: American Meteorological Society
Abstract: Quantitative observations of thunderstorms in the midwest United States made with short-interval (5 min) geosynchronous satellite data are examined in relation to concurrent digital radar observations for one case study ...
False-Color Display of Special Sensor Microwave/Imager (SSM/I) Data
Publisher: American Meteorological Society
Abstract: Displays of multi-frequency passive microwave data from the Special Sensor Microwave/Imager (SSM/I) flying on the Defense Meteorological Satellite Program (DMSP) spacecraft are presented. Observed brightness temperatures ...
Contribution of Mesoscale Convective Complexes to Rainfall in Sahelian Africa: Estimates from Geostationary Infrared and Passive Microwave Data
Publisher: American Meteorological Society
Abstract: The contribution of mesoscale convective complexes to the July?September rainfall in Sahelian Africa is assessed using passive microwave data from the Special Sensor Microwave Image and infrared (IR) data from the European ...