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RISModel Clouds as Seen from Space: Comparison with Geostationary Imagery in the 11-μm Window Channel
Publisher: American Meteorological Society
Abstract: A monitoring of the European Centre for Medium-Range Weather Forecasts (ECMWF) model with the Meteosat infrared window channel during December 2000 is presented. The Meteosat images are simulated every 3 h during the 31 ...
Interpretation of Satellite Cloud Mosaics for Southern Hemisphere Analysis and Reference Level Specification
Publisher: American Meteorological Society
Abstract: A semi-objective procedure has been developed to modify mean sea level pressure and 1000?500 mb thickness using cloud vortex patterns obtained from satellite imagery. The method combines the previous work of Nagle and ...
Use and Impact of Satellite Atmospheric Motion Winds on ECMWF Analyses and Forecasts
Publisher: American Meteorological Society
Abstract: Recent developments in the extraction technique of wind vectors from geostationary satellite images have led to a significant increase in the data coverage of this product. This is mainly due to the use of visible and water ...
Sequential Inactivation of <i>Bacillus Subtilis</i> Spores with Ultraviolet Radiation and Iodine
Publisher: American Society of Civil Engineers
Abstract: spores were used as an indicator organism to characterize the effects of UV radiation and iodine, alone and in combination, as disinfectants for water. Spore exposures to UV radiation were conducted in shallow, well-mixed ...
Impact of SSM/I Observations Related to Moisture, Clouds, and Precipitation on Global NWP Forecast Skill
Publisher: American Meteorological Society
Abstract: This paper presents the results from the Observing System Experiments (OSEs) with the current ECMWF data assimilation and modeling system for quantifying the impact on both analysis and forecast quality of Special Sensor ...
Global Observing System Experiments on Operational Statistical Retrievals of Satellite Sounding Data
Publisher: American Meteorological Society
Abstract: We report an observing system experiment on satellite sounding data during a 15.5-day period in January?February 1987, using the operational European Centre for Medium Range Weather Forecasts (ECMWF) system as it was in ...
Global Data Assimilation and Forecast Experiments Using the Improved Initialization Inversion Method for Satellite Soundings
Publisher: American Meteorological Society
Abstract: This is an evaluation of a retrieval, data assimilation, and forecast experiment on satellite sounding data from the NOAA-9 and NOAA-10 polar orbiting satellites during a 15.5 day period in January?February 1987. Retrievals ...
Quality Control of Operational Physical Retrievals of Satellite Sounding Data
Publisher: American Meteorological Society
Abstract: Earlier work identified serious errors and biases in the operational temperature and moisture satellite retrievals produced by statistical methods. We show that similar errors and biases are found in the physical retrievals ...
Model Clouds over Oceans as Seen from Space: Comparison with HIRS/2 and MSU Radiances
Publisher: American Meteorological Society
Abstract: Radiation observations are a key element in the evaluation of the 40-yr reanalysis at the European Centre for Medium-Range Weather Forecasts. This paper uses the High-Resolution Infrared Radiation Sounder/2 (HIRS/2) and ...