Briefing How to read tornado warning polygons Why rain-wrapped tornadoes are so dangerous Check your local tornado risk Play today's Tornadle
Tornado news, explainers, simulator & games

The tornado site that feels alive β€” science, safety, history, and play.

Follow the newest guides, open the worldwide damage simulator, learn from historic outbreak case files, and test your weather brain with tornado games and quizzes. Built for readers who want more than a static encyclopedia.

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Guides & articles
173
Countries covered
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US state guides
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Tornado warning polygons are not county-wide forecasts. Here is how to read them fast.

A practical guide to the shape on radar apps, what it means if you are near the edge, and why the warning area is a forecast corridor rather than a confirmed tornado path.

Local Weather Desk

City and regional guides for international readers.

More precise pages for high-intent searches: Sydney hail, Helsinki winter roads, Stockholm snow, Riga drainage, Australian severe warnings, and Baltic coastal storms.

Local Weather

Philippines typhoons

The world's most typhoon-hit nation β€” Haiyan, wind signals, monsoons, floods, and buhawi.

Local Weather

Indonesia severe weather

Jakarta floods, frequent puting beliung tornadoes, Cyclone Seroja, and the equator rule.

Local Weather

Singapore severe weather

Sumatra squalls, world-leading lightning, flash floods, and why typhoons never hit.

Local Weather

Poland severe weather

Summer tornadoes (trΔ…by powietrzne), the 2017 derecho, giant hail, and the great Oder floods.

Local Weather

China severe weather

Pacific typhoons, deadly eastern-plains tornadoes, monsoon floods, and Gobi sandstorms.

Simulator

Singapore Typhoon Simulator

What if a typhoon hit Singapore? Model fatalities, displacement, and damage.

Local Weather

Sydney storms

Hail, flash flooding, damaging wind, lightning, and coastal rain.

Local Weather

Helsinki winter weather

Coastal wind, snow, freezing rain, road weather, and visibility.

Local Weather

Stockholm snow and wind

Baltic wind, snow timing, commuting, rail, ferries, and ice.

Local Weather

Riga storm drainage

Urban flooding, Daugava influence, wind, winter ice, and warnings.

Local Weather

Australia severe warnings

How to read wind, hail, rain, flash flood, and radar signals.

Local Weather

Baltic coastal storms

Wind setup, water levels, ports, ferries, waves, and winter ice.

Open the local international weather hub
New International Guides

More local weather depth for international readers.

Focused pages for high-intent searches around storm seasons, warning colors, radar, winter travel, fire weather, flash flooding, coastal storms, and European severe-weather reporting.

New Country Guide

Australia east coast lows

Rain, damaging wind, surf, flooding, and coastal erosion.

New Country Guide

Finland warning colors

Green, yellow, orange, red, hazard types, and update timing.

New Country Guide

Sweden radar and satellite

How to use SMHI radar, satellite, observations, and warnings together.

New Country Guide

Latvia warning colors

warnings.meteo.lv, Meteoalarm, wind, rain, snow, ice, and storms.

Open the seasonal country hub
International Weather

Country guides for Australia, Finland, Sweden, and Latvia.

Official warning sources, seasonal hazard calendars, severe thunderstorm context, tornado reality checks, and practical planning links for readers outside the United States.

Country Guide

Australia weather risk guide

Cyclones, floods, heat, fire weather, severe thunderstorms, and tornado context.

Country Guide

Finland weather risk guide

FMI warning colors, winter roads, thunderstorm gusts, Baltic marine weather, heat, and cold.

Country Guide

Sweden weather risk guide

SMHI warnings, radar, satellite, windstorms, snow, flooding, forest fire weather, and coasts.

Country Guide

Latvia weather risk guide

Baltic windstorms, warnings, floods, winter weather, thunderstorms, and European severe-storm reports.

Open the international weather hub
The Tool

A worldwide tornado damage simulator

Place a tornado anywhere on the map β€” from Oklahoma City to Dhaka to Buenos Aires β€” and see modeled fatalities, structural damage, and economic loss based on real census data, regional construction profiles, and validated meteorological research.

Interactive damage modeling

Powered by US Census ACS 2022, Statistics Canada 2021, UN World Population Prospects 2023, and regional construction profiles. Results shown in local currency for 49 countries.

EF0 – EF5 Worldwide coverage Local currency Casualty modeling Multi-segment paths
Launch simulator β†’
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Tools & Games

Know your risk. Test your eye.

Calculators built on 30 years of NOAA data, and games that teach you to read the sky like a spotter.

Live Forecast

Today's Severe Weather Forecast

Live SPC convective outlooks β€” today's tornado, wind, and hail risk across the US, updated through the day, plus Nadocast and Canadian outlooks.

Calculator

Tornado Risk Calculator

Your actual odds of death, injury, or property damage β€” this year, this decade, and over a lifetime β€” based on your state, home type, and shelter access.

Calculators

Weather Calculators & Tools

Heat index, wind chill, UV index and sunburn time, humidity, dew point, snow day odds, and more β€” every free tool in one place, built on real formulas.

Seasonal

Days Until Tornado Season

A live countdown to peak severe-weather season for your region β€” the Plains, Dixie Alley, the Midwest, the Gulf Coast, or Canada.

Daily Game

Pathle

Guess the famous tornado from its damage path. Each wrong guess reveals a new hint β€” country, rating, region, then year. New puzzle daily.

Game

Spot the Twister

Wedge, rope, cone, stovepipe, waterspout? Look at the tornado and name its type. Ten rounds, build your streak, share your score.

Game

EF Scale Guessing Game

Read a real damage description, guess the rating from EF0 to EF5. Learn how NWS surveyors actually assign tornado ratings.

Game

Tornado Shape ID Game

Wedge, cone, rope, stovepipe, elephant trunk, or multi-vortex? Identify silhouettes the way chasers call them on a livestream.

Geography

Tornado History by Location

Every US state, Canadian province, and major city β€” local events, risk levels, and preparedness. Find where you live.

Daily Game

Tornadle

The daily tornado Wordle. Guess the town, term, or outbreak in six tries β€” new puzzle every midnight Eastern.

Trivia

Weather Trivia Quizzes

Twenty-plus themed quizzes β€” storm clouds, rare clouds, hurricanes, records, forecasting β€” with instant scoring and shareable results.

Personality

Weather Personality Quizzes

What kind of storm, tornado, hurricane, or cloud are you? A collection of fun, shareable personality quizzes with instant results.

Read

Historical events, worth revisiting.

Deep dives on the tornadoes that shaped meteorology, warning systems, and building codes β€” plus every EF5 ever recorded and the outbreaks that redefined "worst-case scenario."

1925 Β· Deadliest US Tornado

The Tri-State Tornado

695 killed across Missouri, Illinois, and Indiana. A 219-mile continuous path β€” a record that has stood for a century.

2011 Β· EF5

Joplin, Missouri

The deadliest single tornado since 1947. 158 killed in a city that had a warning. What went wrong and what changed after.

2013 Β· Widest Ever

El Reno, Oklahoma

2.6 miles wide β€” the widest tornado ever recorded. It killed pioneering storm chaser Tim Samaras and reshaped chase safety norms.

2021 Β· Winter Outbreak

Mayfield, Kentucky

A December EF4 that killed 57 in a single county and forced a national reckoning with winter tornado risk.

Records

Every EF5 ever recorded

A complete catalog of the 59 F5/EF5 tornadoes documented since 1950, with paths, casualty counts, and the meteorology behind each.

Worldwide

The 1989 Bangladesh disaster

Daulatpur-Saturia killed approximately 1,300 people β€” more than any tornado in recorded history. Why developing nations bear the disproportionate cost.

View all articles β†’
Learn

Resources for students, teachers, and enthusiasts.

From classroom projects to university-level meteorology explainers β€” organized by depth and audience.

Prepare

Safety, by scenario.

Where you are when a tornado warning is issued determines what you should do. We've built specific guides for every location β€” home, mobile home, apartment, car, school, workplace, hospital, and more.

Read the main safety guide
By State

Tornado history for every US state.

Whether you live in Oklahoma (65 tornadoes a year on average) or Vermont (barely one), we've written a dedicated history β€” with the events that shaped your state.

Oklahoma Texas Kansas Alabama Mississippi Missouri Tennessee Iowa Nebraska Kentucky Florida Arkansas
All 50 state guides β†’