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RISVertical Structures of Precipitation in Cyclones Crossing the Oregon Cascades
Publisher: American Meteorological Society
Abstract: The vertical structure of radar echoes in extratropical cyclones moving over the Oregon Cascade Mountains from the Pacific Ocean indicates characteristic precipitation processes in three basic storm sectors. In the early ...
Variability of Graupel and Snow Observed in Tropical Oceanic Convection by Aircraft during TRMM KWAJEX
Publisher: American Meteorological Society
Abstract: Empirical characterization of graupel and snow in precipitating tropical convective clouds is important for refining satellite precipitation retrieval algorithms and cloud-resolving and radiative transfer models. Microphysics ...
Assessing Snowfall Rates from X-Band Radar Reflectivity Measurements
Publisher: American Meteorological Society
Abstract: Realistic aggregate snowflake models and experimental snowflake size distribution parameters are used to derive X-band power-law relations between the equivalent radar reflectivity factor Ze and the liquid equivalent ...
A Seven-Year Wind Profiler–Based Climatology of the Windward Barrier Jet along California’s Northern Sierra Nevada
Publisher: American Meteorological Society
Abstract: This wind profiler?based study highlights key characteristics of the barrier jet along the windward slope of California?s Sierra Nevada. Between 2000 and 2007 roughly 10% of 100 000 hourly wind profiles, recorded at two ...
Relationships between Barrier Jet Heights, Orographic Precipitation Gradients, and Streamflow in the Northern Sierra Nevada
Publisher: American Meteorological Society
Abstract: The rate of precipitation increase with elevation, termed the orographic precipitation gradient (OPG), is critically important for hydrologic forecasting in mountain basins that receive both rain and snow. Here, the following ...
Extreme Quantitative Precipitation Forecast Performance at the Weather Prediction Center from 2001 to 2011
Publisher: American Meteorological Society
Abstract: xtreme quantitative precipitation forecast (QPF) performance is baselined and analyzed by NOAA?s Hydrometeorology Testbed (HMT) using 11 yr of 32-km gridded QPFs from NCEP?s Weather Prediction Center (WPC). The analysis ...
Sierra Barrier Jets, Atmospheric Rivers, and Precipitation Characteristics in Northern California: A Composite Perspective Based on a Network of Wind Profilers
Publisher: American Meteorological Society
Abstract: ive 915-MHz wind profilers and GPS receivers across California's northern Central Valley (CV) and adjacent Sierra foothills and coastal zone, in tandem with a 6-km-resolution gridded reanalysis dataset generated from the ...
Climatology and Environmental Characteristics of Extreme Precipitation Events in the Southeastern United States
Publisher: American Meteorological Society
Abstract: his paper documents the characteristics of extreme precipitation events (EPEs) in the southeastern United States (SEUS) during 2002?11. The EPEs are identified by applying an object-based method to 24-h precipitation ...
Assimilation of GPS Radio Occultation Data for an Intense Atmospheric River with the NCEP Regional GSI System
Publisher: American Meteorological Society
Abstract: his paper uses a case study to explore the potential of Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) and Challenging Minisatellite Payload (CHAMP) global positioning system (GPS) radio ...
Understanding the Role of Atmospheric Rivers in Heavy Precipitation in the Southeast United States
Publisher: American Meteorological Society
Abstract: n analysis of atmospheric rivers (ARs) as defined by an automated AR detection tool based on integrated water vapor transport (IVT) and the connection to heavy precipitation in the southeast United States (SEUS) is performed. ...