Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 Southern Thunder Alliance and LMA Assessments Steve Goodman.

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Presentation transcript:

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 Southern Thunder Alliance and LMA Assessments Steve Goodman and Dennis Buechler

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 Southern Thunder Alliance  Bring total lightning data and product producers together with the product and decision-making consumers  Form collaborations to advance scientific understanding of thunderstorm processes  Develop and evaluate nowcasting/short-term forecasting and warning decision-making applications that use total lightning in an operational environment

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005  NASA-NOAA-University-Industry Partners SPoRT Center (NASA MSFC/NSSTC) New Mexico Tech and other universities OU/NSSL Vaisala, Inc. WFOs – Huntsville (HUN), Nashville (OHX), Birmingham (BMX), Fort Worth (FDW), Melbourne (MLB), Norman (OUN)  All LMA systems located in NWS Southern Region North Alabama OU/NSSL New Mexico Tech Langmuir Laboratory White Sands Missile Range KSC/CCAFS (LDAR) TAMU (LDAR II) Dallas/Fort Worth (Vaisala LDAR II) Southern Thunder Alliance

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 History of LMA  First started ingesting LMA data into AWIPS in May 2003  First case where used to warn: May 6 th,2003  First case used not to warn: August 27,2003  Building cases for training on WES ~27 cases archived so far  Supported LMA-AWIPS ingest at BMX, OHX, OUN  Supported ingest of Vaisala LDAR II data at FWD

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 Ingest into AWIPS

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 Southern Thunder Workshop #2 Fort Worth, Texas 25-27, 2005 Briefings by Researchers (Owner Operators) and Forecasters (End Users) followed by discussion and prioritization of lightning research and applications in 3 subject focus areas Presentations at Focus Areas :  Product Definition and Generation Lightning Threat Product combining LMA/LDAR and NLDN Lightning “Top” Product Flash Extent Density (FED) Cell Tracking (SCIT) and Trending – FSL FXnet/WDSSII  Detection Efficiency, Performance Metrics, Accuracy  WES Cases, Training and Assessments

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 WDSSII Display and Interface 5 km Level LMABase Scan Radar Vertical Slice NSSL/MacGorman, Stumpf WDSSII LMA source density X-scns, CAPPIs VILMA 1 min density to AWIPS at OUN, TSA, FWD

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 CG lightning hazard  LDAR II Sources (Red) and NLDN Flashes (Black) detected between 0312:30 and 0317:30 UTC 15 June 2001  Fort Worth WSR-88D Base Reflectivity Image from 0315 UTC 15 June 2001 High CG Lightning Threat Isolated CG Lightning Threat Vaisala/Demetriades

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 FED and NLDN at 2114 UTC, 25 April 2005 Vaisala/Demetriades

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 Blue - Total lightning Red - CG lightning CG Lightning Hazard Product Combination Of LDAR II And NLDN Data - Mesoscale Convective System

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, min of CG lightning prior to 15:15 Z on 17 Aug 2001 Vaisala/Demetriades

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, min of LDAR II activity prior to 15:15 Z on 17 Aug 2001 Vaisala/Demetriades

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 Spider flash at 15:15 Z on 17 Aug 2001 Lightning warning at DFW was no longer in effect when this occurred Vaisala/Demetriades

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 Illustration of concept: yellow represents threat area, red is where CGs are currently occurring Vaisala/Demetriades

Experimental Lightning Threat Product Combining NALMA and NLDN

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 Southern Thunder Workshop #2 Fort Worth, Texas 25-27, 2005 One of the Workshop Recommendations: Due to cancellation of VORTEX-II Experiment in 2007, pursue newly available opportunity to deploy, evaluate, and assess the scientific and technological merits of total lightning mapping with the NMT portable LMA in an additional operational setting. Proposed DC Metro Area Lightning Mapping Demonstration:  Briefing 26 August to NWS Office of Science and Technology and Eastern Region Scientific Services Division  WFO Sterling (LWX) host site, NWS MDL Program Mgr  Endorsement of Director D. L. Johnson, National Weather Service  NWS requesting funds from NESDIS GOES-R  Additional area partners (Howard University, U. Maryland, GSFC)

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 Severe Storm Reports for the DC Surrounding Area Map of all severe reports received during a 5 year period (12Z 31 Dec Z 31 Dec 2004) for a region around Washington, DC. The plot shows 235 tornadoes, 3291 severe winds gusts (GE 55 kt or compatible damage, blue +), and 1353 ¾ inch or larger hail reports (green dot). Severe Reports 235 Tornadoes 3291 SVR Wind 1353 Hail

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 Portable LMA Station Electronics housed in shielded thermoelectric cooler enclosure Operate from external 12 VDC battery and/or power supply. ~12 watts power Battery operation: 48+hours (w/out cooling) 20+ hours (with cooling) Lightweight (10 lbs) ¼ wave ground plane antenna (Ch. 8 shown; MHz) Connected to receiver in box by coaxial cable Other external connectors: GPS antenna, ethernet, 12 VDC

DC Lightning Mapping Array Circles: 150 km radius (approx. 3D coverage) 250 km radius (approx. max range) 68 km

Earth-Sun System Division National Aeronautics and Space Administration SPoRT SAC Nov 21-22, 2005 Southern Thunder Workshop #2 Fort Worth, Texas 25-27, 2005 Why DC Metro Area:  Transitional climatic regime, yet still many severe storms  Coverage of 3 major heavily used airports  Complex terrain to west, urban environment  Sterling WFO history of supporting new technology assessments Leverage with on-going TDWR evaluations  Proximity of MDL developers to WFO forecasters  Access to students, faculty for system operations/maintenance  Local interest (broadcast community, researchers, forecasters) DC Demo – Leverages Alliance Partner Investments  NASA (TRMM Mission Extension, LIS Validation, Applied Sciences, AMU)  NSF (New Mexico Tech portable LMA development, Texas A&M LDAR II)  OU/NSSL (WDSSII)  Vaisala (LDARII, IRAD)  WSMR/NCAR RAP Autonowcaster (Army 4DWX)