Features

Everything LightningWX Does

A whole weather office’s worth of tools, minus the burnt coffee. Basic Radar comes with the software: view-only live reflectivity and velocity (lowest two beam angles, 12-frame loop), NOAA satellite lightning, NWS watches and warnings with alert sounds, Will It Hit Me?, NOAA Weather Radio, map layers, the distance tool and Quick Lessons. Everything else is Full LightningWX, the subscription. The 5-day trial includes all of it, except saving and recording, which need a paid license.

Radar

Live NEXRAD Level II

Every U.S. radar site, about 15 seconds behind real time, polling from every 30 seconds to 10 minutes. Here is the May 20, 2013 Moore, Oklahoma tornado: the hook echo, the debris ball, the whole terrible textbook. Included in Basic Radar (lowest two beam angles, 12-frame loop).

  • LightningWX radar showing the May 20, 2013 Moore, Oklahoma tornado hook echo and debris ball (KTLX)
  • LightningWX live NEXRAD reflectivity from KTLX Oklahoma City with NWS warning polygons and storm tracks
  • Live Level II radar of West Texas thunderstorms from KSJT San Angelo with satellite lightning on top

Plain-English Views

Radar, Wind, True Wind, Turbulence, Drop Shape, Debris, Heavy Rain and What’s Falling, each with a legend in words like Light, Heavy and Hail. Velocity and dual-pol, minus the decoder ring.

  • Doppler velocity Wind view of the 2013 Moore tornado showing the inbound-outbound rotation couplet
  • Correlation coefficient Debris view highlighting the tornado debris signature in Moore, Oklahoma
  • What's Falling hydrometeor classification of the Moore supercell: rain, hail and debris
  • Differential reflectivity Drop Shape view of the Moore, Oklahoma supercell
  • Storm-relative velocity True Wind view revealing the Moore tornado mesocyclone

Storm Analysis

Full Storm, Height, Water Load, Rain Rate, Hail Size, Hail Chance and Hail Density. How tall, how wet and how much ice, one button each.

  • Composite reflectivity Full Storm view of the Moore tornadic supercell
  • Hail Size estimate (MEHS) over the Moore, Oklahoma supercell
  • Echo tops Height view showing how tall the Moore storm grew
  • Vertically integrated liquid Water Load view of the Moore storm core
  • Rain Rate view estimating rainfall intensity in the Moore supercell

Layouts

One, two, four or five panes, each with its own product and beam angle, all looping together.

  • Four-pane LightningWX layout with reflectivity, velocity, correlation coefficient and hydrometeor classification of the Moore tornado
  • Five-pane radar layout comparing five products of the Moore, Oklahoma tornado at once
  • Side-by-side reflectivity and velocity panes of the 2013 Moore tornado

Cross Sections, Time-Height & Wind Profile

Slice a storm top to bottom, watch one column of air change over the whole loop, and read the winds aloft from the radar itself.

  • Vertical cross section of reflectivity through the Moore supercell
  • Vertical cross section of Doppler velocity through the Moore tornado
  • Time-height chart of the radar column above Moore, Oklahoma across the radar loop
  • VAD wind profile time-height display of winds aloft

The Archive

Any date since 1991, for case studies and replays: hurricanes, derechos, hailstorms and the tornadoes every forecaster still talks about. Unlimited on-disk history of what you watched live.

  • Archived radar of Hurricane Michael making landfall on the Florida Panhandle, October 10, 2018
  • Archived radar of the August 10, 2020 Iowa derecho bow echo
  • Archived radar of the May 22, 2011 Joplin, Missouri tornadic supercell
  • Archived radar of the April 11, 2016 Wylie, Texas hailstorm

Severe Weather

Rotation & Tornado Detection

Mesocyclone, strong rotation, tornado vortex signature and tornado debris, tracked scan to scan with rotation tracks from 30 minutes to 2 hours, plus the official NWS detections beside ours.

  • Rotation detections and two-hour rotation track along the path of the 2013 Moore tornado
  • Debris Alert showing the tornado debris signature over Moore, Oklahoma
  • Spin View with mesocyclone and tornado vortex signature rings on the Moore supercell

Storm Threat Cards

One card per storm: hail, rotation, storm-top trend, lightning rate and the near-storm environment, ranked by threat and explained in a sentence. Lightning Jump flags a sudden climb in flash rate, which often comes before severe weather.

  • Storm Threat Cards ranking the Moore supercell as Tornado Likely with debris signature, hail size and lightning rate
  • Live Storm Threat Cards ranking Oklahoma thunderstorms by hail, rotation and lightning

Will It Hit Me?

Time until a storm reaches your saved or GPS location, and how close it is likely to pass. Included in Basic Radar, because that is the question everybody actually asks.

  • Will It Hit Me? storm arrival window for estimating when a storm reaches a chosen location
  • Storm motion tracks with 20, 40 and 60 minute arrival ticks over Oklahoma

NWS Watches & Warnings

22 alert types with their own sounds and pop-up settings, warning polygons on the map, and the NWS text products behind them. Watches, warnings and alert sounds are included in Basic Radar; text products are part of the subscription.

  • NWS severe thunderstorm and flash flood warning polygons with the Active Alerts list
  • NWS text products window showing an Area Forecast Discussion beside live radar
  • Active NWS alerts list with warning types, counties and expiration times

Warning Generator

A WarnGen-style trainer: pick a storm, draw the polygon and preview a warning in NWS format. It never issues anything; it teaches how forecasters do.

  • WarnGen-style Warning Generator trainer drafting a practice tornado warning for the Moore storm
  • Practice tornado warning polygon on the Moore supercell from the Warning Generator (not an official warning)

Lightning & Forecasts

Satellite Lightning

NOAA GOES satellite lightning, always drawn on top, with Satellite View (visible, GeoColor or infrared) under the radar. Lightning is included in Basic Radar.

  • NOAA GOES GLM satellite lightning flashes drawn on top of radar over Texas thunderstorms
  • GOES infrared satellite view under radar with lightning flashes
  • GOES GeoColor night satellite imagery with city lights under live radar and lightning

GenAvaM

Our own model: lightning chance for the next 30 and 60 minutes and forecast radar out to two hours, checking itself against real lightning every scan and getting better at your radar over time.

  • GenAvaM lightning chance forecast for the next 30 minutes over West Texas storms
  • GenAvaM forecast radar showing where storms are expected in 60 minutes
  • GenAvaM lightning chance forecast for the next 60 minutes

Forecast Models

HRRR and GFS maps, hourly forecasts at any point, and Skew-T soundings from weather balloons or the model, with a plain-English verdict.

  • HRRR model CAPE instability forecast map over the United States
  • Skew-T log-P weather balloon sounding with a plain-English verdict
  • Hourly HRRR and GFS forecast meteogram for a point
  • HRRR simulated radar reflectivity forecast map

Weather Maps

A full-window map module with 38 model fields, NASA satellite layers, animated wind and space weather.

  • LightningWX Weather Maps module with model fields, satellite layers and the layer list
  • HRRR 2-meter temperature forecast map of the United States
  • HRRR 10-meter wind speed forecast map

Observations & Rainfall

Surface stations, upper-air reports and radar rainfall totals from 1 hour to 3 days, right on the radar map.

  • METAR surface observation station plots over live radar
  • 500 mb upper-air observations plotted over radar
  • 24-hour radar-estimated rainfall totals over Texas

Tropics & National

Hurricane Tracking

Active NHC storms, cone, watches and warnings, spaghetti models, intensity guidance and wind arrival times at your location. Tropical warnings themselves stay free in NWS alerts.

  • Hurricane Michael eyewall and rainbands on radar at Florida Panhandle landfall
  • Tropical center window with an active NHC hurricane advisory, forecast points and wind arrival
  • NHC forecast cone for an active Eastern Pacific hurricane on the LightningWX map

Multi-Radar Mosaic

NOAA MRMS national radar, hail swaths, rotation tracks, echo tops and rainfall, every radar in the country stitched into one map.

  • NOAA MRMS multi-radar mosaic reflectivity across the southern Plains
  • MRMS 24-hour maximum estimated hail size swaths
  • MRMS 24-hour rotation tracks

Learning & Sharing

Education Center

16 units, 61 lessons, quizzes, a final exam, about 490 glossary terms and your own book, with buttons that open the tool each lesson is about. Quick Lessons are free in Basic Radar.

Education Center lesson on how rain and snow form, with the unit list, glossary, quizzes and ebook tabs

Simulation Mode

A case library of real events and a storm generator for teaching: supercells, hurricane landfalls and tornado tracks, no live storm required. Everything simulated is labeled as simulated.

  • Simulation Mode replaying the 2013 Moore tornado case with the presenter bar and labeled radar signatures
  • Simulated Category 4 hurricane landfall at Tampa for teaching, with eye, eyewall and rainbands labeled
  • Storm generator simulating a tornadic supercell life cycle
  • Simulated long-track tornado with its rotation track for teaching

Broadcast Studio

Camera and radar panes, lower thirds and an alerts ticker for streaming.

Broadcast Studio controls for camera and radar panes, lower thirds and an alerts ticker

Weather Camera (24/7)

A round-the-clock camera stream with your weather on the picture, restarting itself if the connection drops. Streaming and recording need a paid license.

Weather Camera 24/7 stream settings with resolution, encoder and on-screen weather options

Map Layers & Distance

Roads, counties, cities and your own GIS layers, plus a distance tool. Included in Basic Radar.

Map Layers window with roads, counties, cities and GIS layers over radar

Home Weather Station

Connect your backyard station to see, chart and share its readings next to the radar.

Home Weather Station settings for connecting a backyard station and sharing readings

AI Assistant Panel (Experimental)

Claude or ChatGPT beside the radar, with one-click hand-off of what you’re looking at, and AI control of LightningWX. Don’t be like me and argue with Claude for ten minutes because it wanted to talk about cloud physics instead of switching radars. You ask once, and if it wanders off, ask again. It’s completely experimental and not guaranteed to cooperate; they’re their own people.

  • Experimental AI Assistant panel beside live radar with radar image, frame and briefing hand-off buttons
  • Experimental MCP server settings for Claude Desktop and Claude Code
From the Archive

Hurricane Michael, Landfall

The October 10, 2018 landfall on the Florida Panhandle, replayed from recorded radar in Simulation Mode. Every case in the library is real data you can loop, slice and study.

Coming Soon

Cinematic 3D, an Optional Add-On

I’m building a photoreal 3D storm viewer that puts the radar into real terrain. It isn’t part of LightningWX today, and when it’s ready it will be an optional add-on. No dates and no prices yet: I’d rather show you than promise you.

A Word on Safety

LightningWX is a tool for learning and watching weather. It is not an official warning source. When the National Weather Service issues a warning for your area, follow it and your local emergency officials.

Try It Free for 5 Days See Pricing

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