Operational Use of Lightning Mapping Array Data Fifth Meeting of the Science Advisory Committee 18-20 November, 2009 Geoffrey Stano, Dennis Buechler, and.

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Presentation transcript:

Operational Use of Lightning Mapping Array Data Fifth Meeting of the Science Advisory Committee November, 2009 Geoffrey Stano, Dennis Buechler, and Christopher Darden transitioning unique NASA data and research technologies to operations National Space Science and Technology Center, Huntsville, AL

transitioning unique NASA data and research technologies to operations Relevance to the SPoRT Program Supports the NWS mission – Protect life and property Lightning Mapping Array (LMA) does this with: – High temporal and spatial resolution – Strong relation to storm strength Supports future SPoRT goals – LMA is basis for Geostationary Lightning Mapper demonstration data

transitioning unique NASA data and research technologies to operations Approach: What is Total Lightning? Total Lightning Activity Inter-Cloud Flashes Cloud-to-Ground Strikes 31 Individual Storms

transitioning unique NASA data and research technologies to operations Approach: Total Lightning Benefits Updraft Intensifies Vortex Spin-up Notice intra-cloud and CG trends Intra-cloud shows clear trend Cloud-to-ground is steady Correlates with: Storm updraft strength Incipient severity

transitioning unique NASA data and research technologies to operations Methodology Warning Issued EF-1 Source Density Lightning Jump Leverage work on lightning research at NSSTC – Lightning jumps (Gatlin 2009, Schultz 2009) – Lightning warning (Buechler) – Lightning threat (McCaul) – GLM proxy (AWG) Apply total lightning knowledge – Correlation to storm intensity – Jumps precede severe weather – Combination = Better safety!

transitioning unique NASA data and research technologies to operations SPoRT Accomplishments “Tie research to an operationally funded program” – 2007 SAC Efforts are supported by the GOES-R Proving Ground – Develop demonstration data for GLM – Develop visualizations of these GLM data Multiple spin-off advantages – AWIPS II development expertise – Incorporate more than North Alabama LMA – Greater SPoRT program recognition

transitioning unique NASA data and research technologies to operations SPoRT Accomplishments “Put lightning back in forefront of SPoRT” – SAC 2007 Multiple examples Two new NALMA partners – Morristown, Tennessee – Peachtree City (Atlanta), Georgia Improved product reliability – Liaison activity within SPoRT – Advocates within the WFOs – End result: Increased user commitment Morristown display posted to Wide World of SPoRT blog

transitioning unique NASA data and research technologies to operations SPoRT Accomplishments Training module released – Well received – credited with increased use of total lightning data Training gives: – Increased user feedback – Improved reliability of data – Development of BAMS article – Conference collaborations

transitioning unique NASA data and research technologies to operations SPoRT Accomplishments Spring 2009 Assessment – Supported earlier assessments – Good situational awareness tool – Suggested new products Detection efficiency map County Warning Area use Station status Basic Detection Efficiency NALMA Station Status Based on percentage of total sources observed by station every 2 min Morristown County Warning Area Use

transitioning unique NASA data and research technologies to operations SPoRT Accomplishments SPoRT expertise recognized – Provide data to GOES-R Proving Ground – Invitation as total lightning expert for the Experimental Warning Program – Request by Storm Prediction Center for real-time data – Request for national training module development Data sent to Spring Program Spring Program Partners

transitioning unique NASA data and research technologies to operations Current Efforts: SCAN Results from forecaster feedback – Want to see trend of LMA data – Currently unavailable in real-time Mamoudou Ba (MDL) is main collaborator – Tracks radar cells – Associates LMA to cells – First applied to Washington D.C. LMA – Implementing at Huntsville System for Convection Analysis and Nowcasting

transitioning unique NASA data and research technologies to operations Current Efforts: AWIPS II SPoRT proactively preparing for future – Demonstrating AWIPS I to AWIPS II – SPoRT leading the community – Learning new capabilities AWIPS II will provide new abilities – Improved data displays – More fidelity (less smoothing of data) – Easier identification of lightning jumps NALMA in AWIPS II

transitioning unique NASA data and research technologies to operations Current Efforts: Pseudo GLM GOES-R Proving Ground Stand-in product until release of official AWG GLM proxy Spin-off utility – AWIPS II demonstration – Refine process for Spring Program Pseudo GLM Flash Extent (AWIPS II)

1946 UTC 2 Aug sourcesStrong Signature Still no CG strikes Severe hail began 4 minutes later 1942 UTC 2 Aug sources Modest reflectivity Still no CG strikes Lightning Jump 1938 UTC 2 Aug 2008 Source Densities Reflectivity Cloud-to- Ground Strikes Radar Velocity ~ 50 sourcesModest reflectivity No CG strikes Impact: Operational Utility

transitioning unique NASA data and research technologies to operations Impact: Operational Utility Several operational impacts Better severe weather warnings – Enhanced lead times – Reduced false alarms Enhanced situational awareness – Easily monitor multiple storms Improved lightning safety – Lead time before first cloud-to-ground – Observe extent of lightning flashes 40 km Flash

transitioning unique NASA data and research technologies to operations Future Work Pseudo GLM and AWG proxy Continue AWIPS II Product evaluation – 1 vs 2 km – 1 vs 2 min – Source vs flash density – Time since last flash Expand collaborations with the KSC LDAR II and WSLMA Continue Spring Program and GOES-R Proving Ground KSC Network Pseudo GLM White Sands, NM Network