Data Layers - WSV3

[Pages:12]Data Layers

Industry-leading NEXRAD weather radar data display

Most real-time, live radar display available in US (sub-10-second delay) Technologies include patent-pending LiveCompositeTM and single-tilt

LiveScanTM Video of comparison to traditional display Full suite of Level 2 regular and Dual-Pol products (Reflectivity, Velocity, Spectrum Width, Differential Reflectivity, Correlation Coefficient, Differential Phase) Derived Level 2 products (Dealiased velocity, Storm-relative Velocity, Shear, KDP) Precipitation typing demonstrates areas of snow, rain, and mix using highaccuracy HRRR model data NEXRAD Level 3 data for bandwidth-efficient loop animations of recent conditions Powerful storm cell tracking tools include clickable cell icons, storm projection paths, storm cell info textual summary box, and rollover ETA times + countdown to impact

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 NWS Severe Warnings Clickable polygons display full warning text, display within the very minute of issuance, and seamlessly animate/update shape across loops as updated by NWS

NWS Severe Watches Clickable for full text and update shapes across loops as counties are added/subtracted County outlines and aviation watch box

Real-time international METAR observations Time-aware on loops to monitor changing conditions Rollover information displays key info Nine selectable parameters for map display

Precipitation-typed National Radar composite (live and loop of last 8 hours) GOES Satellite data (live and loop of last 8 hours)

IR, Visible, Water Vapor NWS Local Storm Reports (time-aware for loop) SPC Convective Outlook vector graphics (Days 1-8)

Critical for visualizing short-range severe weather threats Categorical levels and Probability levels for Wind, Hail, and Tornado criteria High-resolution real-time CONUS temperature and dew-point color fill Supercell development (SCP) and Tornado risk (STP) real-time analysis layers Current/animated Sea-level pressure contours (MSLP) Current/animated surface wind arrow vectors Also can display numerical intensity, or intensity and direction Tens of other diverse "Mesoanalysis" layers like the four above available E.g., Wind gust, CAPE, Visibility, Storm-relative helicity, upper level

winds/temperatures, etc.

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 National display of color-shaded county-based or public warning zone-based current NWS advisories Rollover tool produces text summary of advisories at cursor point Clicking on color-shaded zone displays full text of active advisories

Frontal boundaries/pressure center graphics Extensive and customizable capability for viewing future conditions/model data

Global Forecast System (GFS), NAM, and HRRR data sources Precise forecast graphics/animations of future radar reflectivity (precipitation

typed), temperature, wind, pressure, precipitation, dew-point, absolute vorticity, upper-air data, and more. NDFD (National Weather Service official forecast grids) display by region NDFD parameters: Weather Prediction Center (WPC) products for selectable short-term day range Excessive Rainfall Outlook graphics Quantitative Precipitation Forecast (QPF) amount graphics Winter accumulation probabilities for (snow) 4in, 8in, 12in, and (ice) 0.25in Expected snow/ice accumulation amount by probability percentile over customizable time summation range out to 72 hours SPC Mesoscale Discussions Full suite of tropical weather tracking layers for Atlantic and Eastern Pacific basins Active systems, path history with rollover information, forecast track, forecast error cone, current wind radii, forecast wind radii, tropical vitals information, NHC coastal watches/warnings Forecast model data tracks for tropical systems ("spaghetti" plots) NHC 5-day formation outlook graphics HDOBS Aircraft Reconnaissance data

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 SPC Fire weather outlook graphics (Days 1-8) 24-hour (or custom time between 1-24 hours) Difference product (demonstrates

areas of +/- trend) Time aware in loops; computes differences at prior times up to current Pressure (MSLP), temperature, or dew-point differences USGS live earthquake display with rollover seismic data Observed and forecast river gauge observations with flood stage info Satellite-generated fire detections

Unique technologies

Hardware-accelerated 3D globe with high-performance GIS mapping engine Import and customize visual style of ESRI shapefiles Line rendering settings and shaded polygon filling Customizable US city label database Intuitive, high-responsivity camera controls for rapidly adjusting map view with panning, zooming, tilt, swivel, and look-at controls "Viewpoints" feature enables saving and quickly transitioning to preset views

Extensive visual customization options Real-time, automatically updating data Smooth animations of recent data leading up to real-time state Graphical image/video export features GPS sensor integration Full-screen mode and dual-monitor output (control and output screens separate) FTP screen-capture uploading Probe tool enables mouse rollover on raster layers for precise numerical readout

of value and unit under cursor point (e.g., temperature, wind speed, radar velocity, radar reflectivity, etc.

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Detailed Feature Grid

Animated timeline system permitting time loop of major program layers (adjustable to last 8.5 hours)

National radar composite (Precipitation-typed)

GOES satellite imagery (Visible, Water Vapor, Infrared) for East, West, PR, AK, and HI

International METAR airport/weather station

observations with 9 parameters (Temp, Dew Pt, RH, Wind, Wind Gust, Altimeter, WX symbol,

Heat Index, Wind Chill)

*Interactive mouse rollover information

Time-aware NWS/SPC Tornado and Severe

Thunderstorm Convective Watches (county

outlines)

Time-aware NWS Severe Warning polygons (SVR, TOR, FFW, SMW)

10-Meter Wind Barbs/Arrows/Vector layer

Sea-level pressure (MSLP) contour lines

High-resolution 2-meter Temperature color-fill

High-resolution 2-meter Dew Pt color-fill

Industry-leading NEXRAD Level 2 data display

*LiveScanTM technology ? real-time, moving

display of in-progress Level 2 sweeps less than 10

seconds from being bounced back from sky

**Live delay indicator in tenths-of-second

**Update effect shows areas of old and in-progress scan data

**Bandwidth-efficient design

*Full display of NEXRAD Level 2 volume

including tilt selector and all six base moments including Dual-Pol (Reflectivity, Base Velocity,

Spectrum Width, Differential Reflectivity (ZDR),

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Correlation Coefficient (CC), and Differential Phase (PHI))

*Precipitation-typed Level 2 Reflectivity

*Redundant data design gives access to two publicdomain, high-capacity HTTP servers

*Further redundancy gives built-in access to AWS

(Amazon Web Services) public Level 2 cloud

server for real-time and archived volumes

*LiveCompositeTM technology ? running, real-

time display of surface-interpolated reflectivity composite throughout entire volume scan in severe

situations

*Level 2 Derived Products (each tilt)

**Dealiased Velocity

**Dealiased Storm-Relative Velocity

***Set Storm Motion vector manually, visually, or automatically by using Level 3 product (default)

**Wind Shear/Azimuthal Rotation product

**Gate-to-Gate Shear

**KDP (Specific Differential Phase)

*Level 2 Derived Products (each volume)

**High-resolution 0.5km x 0.5? grid

**MEHS (Mean Estimated Hail Size)

**POSH (Probability of Severe Hail)

**VIL (Vertically-Integrated Liquid)

**VILD (VIL Density)

**ET (Echo Tops)

**Thunderstorm Downdraft Max Gust Potential

*Mouse-based measuring tool showing azimuth/range from radar and beam height

*Beam-continuous time interpolation feature

accurately displays and transitions Level 2 scans in

loops which radially comprise a range of times

*Show Level 2 Split-cut scans

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*Spatially-accurate 3D tilt representation of sweep data

NEXRAD Level 3 data

*58 different Level 3 radial data products

**Basic products (Base tilt reflectivity, velocity, three Dual-Pol moments), VIL, and Total

precipitation

**Full display of Level 3 radial products at all tilts,

including HCA, 1-Hr precipitation, and SRV

**Precipitation-typed Reflectivity

*Non-radial Level 3 products

**Storm cell/path, hail, Mesocyclone, and Tornado Vortex Signature (TVS) icons

***Time-aware, move with storm cell in loops

**Melting layer product range lines

Powerful convective storm tracking system

*Point-click tracking; click on storm icon expands paths and displays storm cell summary information

**Rollover storm path displays ETA and arrival countdown to mouse point

**Extrapolated time interval lines drawn across path (user-adjustable)

**3D time-of-arrival projection captions appear with interval lines

*Mouse rollover info on storm cells, Hail icons, TVS icons, and MESO icons

*Manual storm tracking system

**Click-define cell point on map and drag motion

cone with visual indication of speed/direction

chosen

**Drag-define squall line or arc of storms and extrude projection swath

**Storm motion vector displayed for guidance during manual track drawing

**Extensive visual customization options on swath and cone appearance

**Rollover ETA/countdown times on tracks/swaths

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**3D arrival-time text captions along cone/swath

**Automatic impacted-city list and time-ofarrival display

***Countdown to ETA option

Level 3 SCIT/Storm cell attributes table

*Custom cell filtering options

*Custom sorting and color coding of cell attribute elements

Forecast model data

*Basic data from NAM model

*Additional data from GFS and HRRR/RAP

*Color fill layer

**2m Temperature, 2m Dew-point, Future Radar Reflectivity (P-typed), Wind Gust, Precipitation,

Atmospheric Moisture (Precipitable Water), 500mb Absolute Vorticity, Pressure Change, CAPE

(Convective Available Potential Energy), Snow

depth

*Vector field layer

**10m Wind, 850mb Wind, 500mb Wind, 300mb Wind

*Contour line layer

**MSLP, 850mb Height, 500mb Height, 300mb Height

Mesoanalysis data

**STP (Significant Tornado Parameter)

**SCP (Supercell Composite Parameter)

**Surface wind gust, Surface visibility, Surface

CAPE, Surface CIN, 0-90mb CAPE, 0-90mb CIN,

0-3km Storm-Relative Helicity (SRH), 500-1000mb

Lifted Index, Echo Tops, 850mb Height, 850mb

Wind, 850mb Temperature, 850mb Relative

Humidity, 850mb Vertical Velocity, 700mb Height,

700mb Wind, 700mb Temperature, 700mb Vertical

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