NDLI: The impacts of GPS PWV during heavy thunderstorms over Kuala Terengganu, Malaysia

Content Provider	IEEE Xplore Digital Library
Author	Suparta, W. Bin Adnan, J. Bin Mohd Ali, M.A.
Copyright Year	2012
Description	Author affiliation: Institute of Space Science (ANGKASA), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia (Suparta, W.; Bin Adnan, J.; Bin Mohd Ali, M.A.)
Abstract	The understanding of thunderstorm activity in the middle atmosphere down to Earth surface and its relationship with a global warming phenomenon poses a great challenge for observational and prediction studies. This paper utilized the GPS as a tool to monitor the tropospheric precipitable water vapor (PWV) impacts as a climate variable due to heavy thunderstorm activity. The analysis of PWV data during the period of 2009 over Kuala Terengganu, Malaysia (KUAL) showed that from 10 heavy thunderstorm days recorded, about 90% of the event occurred in the afternoon (16∶00 ∼ 22∶00 LT) and at the rest occurred in the morning (00∶00 ∼ 01∶00 LT). During the heavy thunderstorm days, the PWV maximum was 48.59 mm and observed to occur between 13∶00 LT and 14∶00 LT. This value was higher 3.30 mm than the one-year maximum PWV average (45.30 mm). Furthermore, PWV increased about ∼5.0 mm within 7 hours from the minimum point, and gradually decreased three hours before the heavy thunderstorm occurred with PWV was 45.31 mm. Most of the event also showed that, the PWV during and after the heavy thunderstorms were lower than a year. However, the scenario is contrast for the morning thunderstorm that will be discussed in the paper.
Starting Page	50
Ending Page	53
File Size	234265
Page Count	4
File Format	PDF
ISBN	9781457721724
e-ISBN	9781457721717
DOI	10.1109/GUT.2012.6344186
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-07
Publisher Place	Indonesia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Satellites Clouds Convective Cloud Lightning GPS PWV Doppler radar Detection Thunderstorm Global Positioning System
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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