New Technology to Improve Early Detection of Explosive Volcanic Ash Cloud Eruptions
(Thomson Reuters ONE) -
Vaisala's Global Lightning Dataset GLD360, now includes new technology that can
provide early warnings of explosive ash clouds that cause disruptions to
aviation routes and safety. The technology detects lightning produced by
volcanic eruptions which is a key indicator of potential ash cloud bursts.
During the first 30 hours of the eruption of the Icelandic volcano Grimsvotn,
GLD 360 detected over 14,000 lightning events within a 30 kilometer radius
surrounding the volcano.
Says Nikki Hembury, Vaisala's Product Manager for Vaisala's Thunderstorm Systems
and Data: "Volcanic eruptions are a global phenomenon. However, not all
volcanoes have the required instruments nearby to detect these eruptions. In
addition, it is sometimes difficult to observe the eruptions using weather
satellite imagery, since multiple layers of clouds can limit the view of the
volcanic ash cloud itself."
"Detection of lightning in ash clouds can enable scientists and the aviation
community to detect explosive volcanic eruptions as soon as they occur,
improving the safety of travelers, and saving the millions lost due to unplanned
flight delays and cancellations."
GLD360, which was launched in 2009, locates lightning using the VLF (very low
frequency) radio frequency spectrum. The technology is capable of detecting VLF
signals over thousands of kilometers across the globe.
With highly accurate timing and location methodologies using advanced patented
algorithms, GLD360 detects more lightning on a global basis than any other
technology. The service now includes a new patented algorithm which greatly
improves the accuracy and amount of detected lightning for immediate detection
of volcanic ash cloud electrification through detection of lightning globally.
Vaisala's lightning data can be combined with visualization packages to set up
customized alerts based on user needs for safety and operational efficiency.
More information:
Nikki Hembury
Product Manager, Vaisala Inc
Tel. +1 520 248 9860, nikki.hembury[at]vaisala.com
About Vaisala
Vaisala is a global leader in environmental and industrial measurement. Building
on 75 years of experience, Vaisala contributes to a better quality of life by
providing a comprehensive range of innovative observation and measurement
products and services for meteorology, weather critical operations and
controlled environments. Headquartered in Finland, Vaisala employs approximately
1350 professionals worldwide and is listed on the NASDAQ OMX Helsinki.
www.vaisala.com
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Source: Vaisala Oyj via Thomson Reuters ONE
[HUG#1519086]
Unternehmensinformation / Kurzprofil:
Datum: 26.05.2011 - 14:00 Uhr
Sprache: Deutsch
News-ID 55037
Anzahl Zeichen: 3372
contact information:
Town:
Helsinki
Kategorie:
Business News
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"New Technology to Improve Early Detection of Explosive Volcanic Ash Cloud Eruptions"
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