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Vaisala Signs Lightning Contract with US National Weather Service

August 2, 2012 - HELSINKI, FINLAND

Vaisala and the US National WeatherService (NWS) have signed a lightning data contract. The award continuesVaisala's 20 year history of providing lightning data to the NWS, whichreceives a real-time data feed from Vaisala's US National LightningDetection Network® (NLDN®).

"The award to Vaisala continues a 20+ year partnership with proven,scientifically validated lightning data that is pivotal in meeting NOAA'smission for protection of life and property," says Joseph Facundo, Chief ofObservations within NWS Operational Systems Office. The NWS is part of theNational Oceanic and Atmospheric Administration NOAA).

Vaisala has been operating the NLDN® for more than 23 years, manufacturinglightning detection equipment for 35 years and remains at the forefront ofthe lightning industry around the world. Vaisala's NLDN® is the mostscientifically accurate and reliable lightning information system,monitoring lightning activity across the continental United States, 24hours a day, 365 days a year. The NLDN® locates cloud-to-ground lightningstrikes to within 200 meters. Vaisala's dedicated data service has anuptime of 99.99% and it delivers the data within seconds of it beingdetected.

The NWS will also continue its Vaisala Global Lightning Dataset GLD360TMcontract with Vaisala. The Vaisala GLD360™ is a service that providesreal-time lightning data for accurate, early detection and tracking ofsevere weather. The GLD360™ data is generated by a Vaisala-owned andoperated network that provides uniform coverage with high detectionefficiency over the entire world, complementing the continental lightningdata provided by the NLDN®. The Vaisala GLD360™ has more lightninginformation than any other lightning network with daily counts routinelyexceeding 1.5 million events. It also has superior location accuracy,polarity classification and peak current estimates. The GLD360™ servicegreatly enhances the forecasting and early warnings capability for highseas, thunderstorms and cyclones to help customers such as the NWS makemore informed decisions, increase operational safety and efficiency, anddeliver better services.

The primary mission of the NWS is to provide weather forecasts and warningsfor the protection of life and property. The continued selection of Vaisalaas the NWS data provider of choice acknowledges the value that the NWSplaces on Vaisala's scientific integrity and validation programs. Vaisala'slightning data is a key parameter for severe storm tracking and for manyNWS's forecasting models. The lightning data is disseminated throughout theNWS organization and used by more than 100 regional Weather ForecastOffices across the US, as well as specialized offices including theAviation Weather Center (AWC), the National Hurricane Center (NHC) and theStorm Prediction Center (SPC).

Vaisala lightning data is used operationally by the NWS in a variety ofvital public safety activities, including:

* Forecasters use Vaisala lightning data to identify thunderstorminitiation

* Vaisala lightning data is combined with other datasets, such as radar, todetermine the intensity, life cycle, and trends of severe storms

* The Aviation Weather Center uses Vaisala NLDN® data in developing manyaviation products, particularly those related to convective SIGMETS

* The SPC uses Vaisala lightning data in the identification and tracking ofthunderstorms across the country

* The NHC uses Vaisala NLDN® and GLD360™ data for marine forecastingand monitoring across the North Atlantic, Caribbean, Gulf of Mexico, and NEPacific. NHC also uses the lightning data to monitor convective storms fortropical cyclone development, which is often supplemented with data fromVaisala RD94 dropsondes deployed by the Hurricane Hunters

Vaisala has installed over 90 lightning networks across 45 countries andthere are over 1,000 publications describing the performance orapplications of these networks. Vaisala continues to set the benchmark forlightning detection science and performance, beginning with the NLDN®itself, which has had 3rd party validation studies published inpeer-reviewed journals since its inception in 1989.

The award is also very timely given Vaisala's ongoing support and input toNOAA/NWS Lightning Safety Awareness Week that is held annually in the lastweek of June ( On average in the US each yearmore than 50 people are killed and hundreds more permanently injured bylightning. Vaisala provides NLDN flash density and frequency information byState that provides the gold standard for N. America lightning activity andis used in support of media interviews and as a source for lightning safetyeducators and meteorologists around the country. The provision of lightningdata to the NWS and other government agencies highlights Vaisala'scommitment to the maturing weather and climate enterprise, which is at theheart of the public-private-academic intersect.

About Vaisala's lightning business

Customers worldwide rely on Vaisala's leading expertise in lightning dataand information systems. Vaisala delivers the highest standards of accuracyand reliability in lightning detection sensor technology, centralprocessing, application software, and customer support.

About Vaisala

Vaisala is a global leader in environmental and industrial measurement.Building on 75 years of experience, Vaisala contributes to a better qualityof life by providing a comprehensive range of innovative observation andmeasurement products and services for meteorology, weather criticaloperations and controlled environments. Headquartered in Finland, Vaisalaemploys over 1300 professionals worldwide and is listed on the NASDAQ OMXHelsinki.

This announcement is distributed by Thomson Reuters on behalf of ThomsonReuters clients. The owner of this announcement warrants that:

(i) the releases contained herein are protected by copyright and otherapplicable laws; and

(ii) they are solely responsible for the content, accuracy and originalityof the information contained therein.

Source: Vaisala Oyj via Thomson Reuters ONE


More information:
Kenneth M Goss, Director Meteorology Sales, North America
Tel: (+1) 781 537 1028


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