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RISElevated Residual Layers and Their Influence on Surface Boundary-Layer Evolution
Publisher: American Meteorological Society
Abstract: Elevated mixed layers (EMLs) are an important factor in the development of springtime thunderstorms over the United States. EMLs can be considered a subset of a larger class, called residual layers, since the mean state ...
Effects of Persistent, Midlatitude Mesoscale Regions of Convection on the Large-Scale Environment during the Warm Season
Publisher: American Meteorological Society
Abstract: Over a 2½-day period beginning 0000 UTC 11 May 1982, 15 mesoscale convective systems (MCSs) developed and moved eastward across the moist axis located over the southern plains of the United States. While the 6?18-h lifetimes ...
Upscale Effects of Deep Convection during the North American Monsoon
Publisher: American Meteorological Society
Abstract: he ability of deep monsoon convection to influence the larger-scale circulation over North America is investigated for a 6-day-long case study during the 2006 North American monsoon. Results from Rossby wave ray tracing ...
Importance of Low-Level Jets to Climate: A Review
Publisher: American Meteorological Society
Abstract: Low-level jets (LLJs) occur frequently in many parts of the world. These low-level wind speed maxima are important for both the horizontal and vertical fluxes of temperature and moisture and have been found to be associated ...
Assimilation of Reflectivity Data in a Convective-Scale, Cycled 3DVAR Framework with Hydrometeor Classification
Publisher: American Meteorological Society
Abstract: he impact of assimilating radar reflectivity and radial velocity data with an intermittent, cycled three-dimensional variational assimilation (3DVAR) system is explored using an idealized thunderstorm case and a real data ...
Importance of Horizontally Inhomogeneous Environmental Initial Conditions to Ensemble Storm-Scale Radar Data Assimilation and Very Short-Range Forecasts
Publisher: American Meteorological Society
Abstract: The assimilation of operational Doppler radar observations into convection-resolving numerical weather prediction models for very short-range forecasting represents a significant scientific and technological challenge. ...
Short-Range Ensemble Predictions of 2-m Temperature and Dewpoint Temperature over New England
Publisher: American Meteorological Society
Abstract: A multimodel short-range ensemble forecasting system created as part of a National Oceanic and Atmospheric Administration pilot program on temperature and air quality forecasting over New England during the summer of 2002 ...
Prediction of Near-Surface Variables at Independent Locations from a Bias-Corrected Ensemble Forecasting System
Publisher: American Meteorological Society
Abstract: The ability of a multimodel short-range bias-corrected ensemble (BCE) forecasting system, created as part of NOAA?s New England High Resolution Temperature Program during the summer of 2004, to obtain accurate predictions ...
Reliable Probabilistic Quantitative Precipitation Forecasts from a Short-Range Ensemble Forecasting System
Publisher: American Meteorological Society
Abstract: A simple binning technique is developed to produce reliable 3-h probabilistic quantitative precipitation forecasts (PQPFs) from the National Centers for Environmental Prediction (NCEP) multimodel short-range ensemble ...