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RISAdvances in Describing Recent Antarctic Climate Variablity
Publisher: American Meteorological Society
Abstract: Antarctica is a challenging region for conducting meteorological research because of its geographic isolation, climate extremes, vastness, and lack of permanent human inhabitants. About 15 observing stations have been in ...
Investigation of Urban Air Temperature and Humidity Patterns during Extreme Heat Conditions Using Satellite-Derived Data
Publisher: American Meteorological Society
Abstract: xtreme heat is a leading cause of weather-related human mortality. The urban heat island (UHI) can magnify heat exposure in metropolitan areas. This study investigates the ability of a new MODIS-retrieved near-surface air ...
Distribution and Characteristics of Mesoscale Cyclones in the Antarctic: Ross Sea Eastward to the Weddell Sea
Publisher: American Meteorological Society
Abstract: The mesoscale cyclone activity observed in the portion of Antarctica that faces the South Pacific Ocean and Weddell Sea area is summarized from a study of 1991. In general, area-normalized results reveal much greater ...
Modeling the ENSO Modulation of Antarctic Climate in the Late 1990s with the Polar MM5
Publisher: American Meteorological Society
Abstract: The Polar fifth-generation Pennsylvania State University?NCAR Mesoscale Model (MM5) is employed to examine the El Niño?Southern Oscillation (ENSO) modulation of Antarctic climate for July 1996?June 1999, which is shown to ...
An Assessment of Precipitation Changes over Antarctica and the Southern Ocean since 1989 in Contemporary Global Reanalyses
Publisher: American Meteorological Society
Abstract: his study evaluates the temporal variability of the Antarctic surface mass balance, approximated as precipitation minus evaporation (P ? E), and Southern Ocean precipitation in five global reanalyses during 1989?2009. The ...
Global Precipitation Extremes Associated with Diurnally Varying Low-Level Jets
Publisher: American Meteorological Society
Abstract: Extreme rainfall events have important societal impacts: for example, by causing flooding, replenishing reservoirs, and affecting agricultural yields. Previous literature has documented linkages between rainfall extremes ...
Global Distribution and Characteristics of Diurnally Varying Low-Level Jets
Publisher: American Meteorological Society
Abstract: This study documents the global distribution and characteristics of diurnally varying low-level jets (LLJs), including their horizontal, vertical, and temporal structure, with a special emphasis on highlighting the underlying ...
Foehn Winds in the McMurdo Dry Valleys, Antarctica: The Origin of Extreme Warming Events
Publisher: American Meteorological Society
Abstract: Foehn winds resulting from topographic modification of airflow in the lee of mountain barriers are frequently experienced in the McMurdo Dry Valleys (MDVs) of Antarctica. Strong foehn winds in the MDVs cause dramatic warming ...
Real-Time Forecasting for the Antarctic: An Evaluation of the Antarctic Mesoscale Prediction System (AMPS)
Publisher: American Meteorological Society
Abstract: In response to the need for improved weather prediction capabilities in support of the U.S. Antarctic Program?s field operations, the Antarctic Mesoscale Prediction System (AMPS) was implemented in October 2000. AMPS employs ...
Regional Assessment of Sampling Techniques for More Efficient Dynamical Climate Downscaling
Publisher: American Meteorological Society
Abstract: ynamical downscaling is a computationally expensive method whereby finescale details of the atmosphere may be portrayed by running a limited area numerical weather prediction model (often called a regional climate model) ...