geoffrey stano– nasa / sport – ensco, inc. brian carcione– nws huntsville jason burks– nws...
TRANSCRIPT
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New Total Lightning Visualizations
Expanding Utility and UsabilityGeoffrey Stano – NASA / SPoRT – ENSCO, Inc.
Brian Carcione – NWS Huntsville
Jason Burks – NWS Huntsville
Southern Thunder Workshop, Norman, OK 11-14 July 2011
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Objectives
• Available in decision support tools• Synthesize data
o “At a glance” analysis• Complement existing tools
oRadaroVertically Integrated Ice
• Expand Utility
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Factoring In AWIPS II
NALMA and Radar in AWIPS II
• Mandatory with WFOs• AWIPS II Advantages
oMore fidelityoMore optionsoMore flexibility
• SPoRT has fully functional plug-in
Source Densities (Interpolated)
Source Densities (Not
Interpolated)
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Source Densities (Basic)
Importance of Visualizations
• Essentially different products• Can be just different color
curves• Provide alternate analyses
oRequires cautionoToo many will not allow
use in a timely fashion• Expand utility
oMore than lightning jumpso Improved lightning safetyoBetter support to public
Source Densities (Enhanced)
Source Densities (Emphasis)
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Where We Are Now
Source Density in AWIPS IIFlash Extent Density in AWIPS II
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Flash Origin Density
• Also Flash Initiation Density• Emphasize storm cores• Less cluttered than others• Lose spatial data• Greatly benefited by AWIPS II• Variant used at Spring
Program
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Maximum Density
• Max observation of lightning for each grid point for period of time• “Poor man’s” trending
productoCompare to current obso Is a jump occurring?
• Great lightning safety tooloSpatial extent of lightning
over time• Variant used at Spring
Program
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Rate of Change
• Simplistic take on Lightning Jump Algorithm (LJA)• Gives standard deviation
from base value for each grid point• Requires no cell tracker• Interesting, but flags storm
advection
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Improved Rate of Change
• Similar to Rate of Change product• Try to account for advection• Baseline uses surrounding
grid boxes• Little better than the original
Rate of Change visualization
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Limited To Only Two Dimensions
• Ground-based total lightning has 3D component• AWIPS I is too slow to use• AWIPS II has ability, but
usable?oHow fast easy will it be?
• Not usable with GLM dataoMay gain ideas to use
GLM• Can we incorporate height
data?AWIPS I Cross
Section
3 km4 km5 km6 km
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Source Height Display
• Use 3D LMA observations• Plot altitudes of highest
sources• Get sense of updraft strength• Lose actual density
information• Can we combine height and
obs?
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Variant Height Products
• Average source height• Better core observation
• Maximum height with time• Like the max density
• Height rate of change• (not shown)• Like the rate of change• Benefit from cell tracker
Average Source Height
Max Source Height (30 min)
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End Goals
Products and visualizations need “at a glance” utility
• Need to be viable in time sensitive warning decision situations
All of these ideas can be applied to the following
• Warning decision support
• Lightning safety
• GLM risk reduction All require training! Some cases for non-AWIPS work
• Google Earth displays
• Support real-time research
• Support emergency managers
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Summary
Geoffrey [email protected]
These are test ideas
• Working with partners to determine best to transition Some already used by the Spring Program
• Variants based on SPoRT’s Pseudo-Geostationary Lightning Mapper
Lightning can support more than just lightning jumps and severe weather
Determine how best to combine lightning observations with other data
• Feedback requesting time series plot and an IC – CG ratio product
• GOES-R era bringing even more data
• Improved computing bringing more models
• Need to avoid overloading end users
Questions?
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