Vaisala Total Lightning Network Update / Nikki Hembury / Southern Thunder Conference 2011.

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Presentation transcript:

Vaisala Total Lightning Network Update / Nikki Hembury / Southern Thunder Conference 2011

Page 2 / July 2009 / Nikki Hembury / ©Vaisala Vaisala Total Lightning Networks 1.Dallas Fort Worth (DFW), TX  9 x LDAR II Sensors  Installed and operational from Tucson, AZ  4 x LS8000 sensors  Installed and operational from Paris, France  4 x LS8000 sensors  Installed and operational from 2009-current  Connecting to RMI Belgium SAFIR network for expanded coverage 4.National Lightning Detection Network®, NLDN®  12 x TLS200 sensors (as initial deployment)  Installed and operational from Q4 2011

Page 3 / July 2009 / Nikki Hembury / ©Vaisala VHF total (cloud plus CG) lightning mapping networks Vaisala’s Dallas-Fort Worth (DFW) Demonstration Network  High Performance (Green) Region:  100 km Radius  Cloud to Ground:  DE >90%  LA 500 meters  Cloud to Cloud:  DE >90%  LA <1 km  Lower Performance (Yellow) Region:  200 km Radius

Page 4 / July 2009 / Nikki Hembury / ©Vaisala VHF total (cloud plus CG) lightning mapping networks Vaisala’s Dallas-Fort Worth (DFW) Demonstration Network DFW North

Page 5 / July 2009 / Nikki Hembury / ©Vaisala VHF total (cloud plus CG) lightning mapping networks Vaisala’s Tucson Demonstration Network  High Performance (Green) Region:  75 km Radius  Cloud to Ground:  DE >90%  LA 250 meters  Cloud to Cloud:  DE >90%  LA 1-2 km  Lower Performance (Yellow) Region:  150 km Radius

Page 6 / July 2009 / Nikki Hembury / ©Vaisala Total lightning detection efficiency at 6 km altitude Validated detection efficiency relative to NLDN CG lightning data Criteria – VHF source within 30 km and 300 ms of first return stroke from CG lightning flash Lojou et al. (2008) VHF total (cloud plus CG) lightning mapping networks Vaisala’s Tucson Demonstration Network

Page 7 / July 2009 / Nikki Hembury / ©Vaisala VHF total (cloud plus CG) lightning mapping networks Vaisala’s Paris (France) Demonstration Network

Page 8 / July 2009 / Nikki Hembury / ©Vaisala VHF total (cloud plus CG) lightning mapping networks Vaisala’s Paris (France) Demonstration Network

Page 9 / July 2009 / Nikki Hembury / ©Vaisala NLDN® Total Lightning expansion  NLDN® expansion to TLS200 product  The best detection capability  Properly grouping cloud pulses without exaggerating DE claims  Validation through third party studies and ground truth/high speed video campaigns

Page 10 / July 2009 / Nikki Hembury / ©Vaisala 2012 ILDC/ILMC  22 nd International Lightning Detection Conference  5 th International Lightning Meteorology Conference  April 2-5, 2012  Renaissance Boulder Flatiron Hotel, Broomfield, Colorado  Theme: The value of lightning information for safety and asset protection

Vaisala Total Lightning Network Update / Southern Thunder Conference 2011