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ShakeCast - An Application for Automating ShakeMap Delivery to Critical Users and Facilitating Notification of Shaking Levels
Entry ID: USGS_ShakeCast

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Summary

Abstract: Surface temperatures and thickness-derived temperatures from a 63-station, globally distributed radiosonde network have been used to estimate global, hemispheric, and zonal annual and seasonal temperature deviations. Most of the temperature values used were column-mean temperatures, obtained from the differences in height (thickness) between constant-pressure surfaces at individual radiosonde ... stations. The pressure-height data before 1980 were obtained from published values in Monthly Climatic Data for the World. Between 1980 and 1990, Angell used data from both the Climatic Data for the World and the Global Telecommunications System (GTS) Network received at the National Meteorological Center. Between 1990 and 1995, the data were obtained only from GTS, and since 1995 the data have been obtained from National Center for Atmospheric Research files. The data are evaluated as deviations from the mean based on the interval 1958-1977. The station deviations have been averaged (with equal weighting) to obtain annual and seasonal temperature deviations for the globe, the Northern and Southern Hemispheres, and the following latitudinal zones: North (60° N-90° N) and South (60° S-90° S) Polar; North (30° N-60° N) and South (30° S-60° S) Temperate; North (10° N-30° N) and South (10° S-30° S) Subtropical; Tropical(30° S-30° N); and Equatorial (10° S-10° N). The seasonal calculations are for the standard meteorological seasons (i.e., winter is defined as December, January, and February; spring is March, April, and May, etc.) and the annual calculations are for December through the following November (i.e., for the four meteorological seasons). For greater details, see Angell and Korshover (1983) and Angell (1988, 1991).

Based on data from Angell's global network of 63 radiosonde stations, over the period from 1958 through 2008, the global mean, near-surface air temperature warmed by approximately 0.18°C/decade, the 850-300 mb tropospheric layer warmed by about 0.08°C/decade, the 300-100 mb tropopause layer temperature cooled by approximately -0.23°C/decade (driven mainly by large changes in the Polar zones), and the 100-50 mb low-stratospheric layer cooled by about -0.60°C/decade. At the surface, 2007 was the warmest year in the 51-year record (0.97°C above the long-term mean), and 2002 was the second warmest year with a departure of 0.88°C.

Credit: Angell, J.K. 2009. Global, hemispheric, and zonal temperature deviations derived from radiosonde records. In Trends Online: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tennessee, U.S.A. doi: 10.3334/CDIAC/cli.005

Description: Download ShakeCast.

Service Citation

Originators: Kuo-Wan Lin and David Wald
Title: ShakeCast - An Application for Automating ShakeMap Delivery to Critical Users and Facilitating Notification of Shaking Levels
Provider: USGS
Edition: 2
URL: http://earthquake.usgs.gov/research/software/shakecast/

Service Keywords

DATA ANALYSIS AND VISUALIZATION >VISUALIZATION/IMAGE PROCESSING

HAZARDS MANAGEMENT >HAZARDS MITIGATION

Science Keywords

HUMAN DIMENSIONS >NATURAL HAZARDS >EARTHQUAKES

SOLID EARTH >TECTONICS >EARTHQUAKES >EARTHQUAKE OCCURRENCES

SOLID EARTH >TECTONICS >EARTHQUAKES >EARTHQUAKE PREDICTIONS

ISO Topic Category

GEOSCIENTIFIC INFORMATION
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

Quality The ShakeCast software is provided on an "as is" basis. Attempts have been made to rid the program of software defects and bugs, however the U.S. Geological Survey (USGS) has no obligations to provide maintenance, support, updates, enhancements or modifications. In no event shall USGS be liable to any party for direct, indirect, special, incidental or consequential damages, including lost profits, arising out of the use of this software, its documentation, or data obtained though the use of this software. By downloading, installing or using this program, the user acknowledges and understands the purpose and limitations of this software.

Access Constraints Download requires Windows XP & Server 2003.

Users must register to download software.

Ancillary Keywords

Earthquake
Earthquake Notification
Impacts
Automatic Notifications

Service Provider

DOI/USGS/GD/EHP > Earthquake Hazards Program, Geological Division, U.S. Geological Survey, U.S. Department of the Interior

Service Organization URL: http://earthquake.usgs.gov/

Service Provider Personnel
Name: EARTHQUAKE HAZARDS PROGRAM OFFICE Contact Address: 12201 Sunrise Valley Drive, MS 905 City: Reston Province or State: VA Postal Code: 20192 Country: USA

Distribution Media

Distribution_Media: Online
Distribution_Size: 2.8 MB
Fees: No fees

Personnel

TYLER B. STEVENS
Role: SERF AUTHOR
Phone: (301) 614-6898
Fax: 301-614-5268
Email: Tyler.B.Stevens at nasa.gov
Contact Address:
NASA Goddard Space Flight Center
Global Change Master Directory
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA

Publications/References

Angell, J.K. 2009. Effect of exclusion of anomalous tropical stations on temperature trends from a 63-Station radiosonde network, and comparison with other analyses. Journal of Climate 16:2288-2295, doi: 10.1175/2763.1.

Creation and Review Dates

SERF Creation Date: 2008-04-08
SERF Last Revision Date: 2013-01-11

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