AtlasCast · Forecast
Decide before
the storm arrives.
What to bind, who to warn, where to send crews. AtlasCast shows which U.S. addresses are in a storm’s forecast path, up to ten days ahead.
I · AtlasCast
Where others report storms after the fact, AtlasCast tells you which addresses a storm could reach next.
II · Ten storm types
Ten storms. One forecast.
Tornado
Rotating storms
Hail
Ice stones from the sky
Wind
Damaging gusts
Flash flood
Water that rises fast
Heavy rain
Intense downpours
Winter
Snow and blizzards
Ice
Freezing rain
Coastal surge
Sea water inland
Hurricane
Tropical cyclones
Wildfire
Fire danger
III · AtlasCast · Forecast
Ten days out,
graded A to F.
- 24 hours to 10 daysForecast windows
- Four times a dayRefreshed at 03, 09, 15 and 21 UTC
- Address by addressThe addresses in a storm’s path, ranked by risk
IV · The live map
The forecast,
address by address.
Open the live map to see which counties and addresses a storm could reach in the coming days. A forecast shows what could happen, not what will.
Open the live mapV · AtlasCast · Forecasting
AtlasCast matches storm forecasts to addresses. The storm record shows what was reported.
AtlasCast tells you what's coming: a severe-weather forecast matched to addresses, refreshed about four times a day.
- 10 storm perils
- Tornado, hail, wind, flash flood, heavy rain, winter, ice, wildfire, hurricane and coastal surge. Wildfire is forecast by county.
- Per address
- Each listed address in a storm’s forecast path carries a storm type, a forecast time and a risk label. Every county gets an A to F grade.
- 24h to 10 days
- Forecast windows from tomorrow to ten days out, refreshed about four times a day.
- Sharp up close
- Days one to three are the sharpest, for decisions about specific addresses; days four to ten give the broader picture.
AtlasCast · Continental US · Forecast · refreshed 4×/day
VI · Data products
The forecast, the record, and more on each address.
AtlasCast tells you what’s coming. The storm record tells you what was reported near each address. Both come through one API, and licensed partners can add a risk profile to each address.
AtlasCast storm forecast
Storm forecasts for 10 perils (wildfire by county), matched to street addresses and refreshed about four times a day.
- Tornado, hail, wind, flash flood, heavy rain, winter, ice, hurricane, coastal surge, and wildfire by county
- A storm type, forecast time and risk label for each listed address
- County grades
- Forecast windows from 24 hours to 10 days
Storm history
Storm reports near an address, and their history, built for claims teams, adjusters and emergency management offices.
- Storm reports and warnings by county, 12 months back
- Reported and radar-detected events
- Eleven event categories, with a date-of-loss check
- One JSON API, one key
Address Risk Profile
For licensed partners: long-term peril grades and storm-loss history for each address, delivered alongside the forecast.
- Added to the addresses you already pull
- Same API, same key
- Available on request
Address Risk Profile
More on each address.
Licensed partners can add an Address Risk Profile to each address: long-term peril grades and storm-loss history, on top of the forecast. Ask us.
Request a private briefingVII · Industries
Built for those who carry weather risk.
For underwriting, claims, accumulation and public-safety teams who need to know which addresses a storm is heading toward.
Personal & commercial lines
See which of your locations sit in a county with a storm in the forecast, out to ten days.
For carriersPrograms & specialty
See which counties are graded for a storm this week before you bind, and check a date of loss against the storm record back to 2003.
For MGAsPortfolio checks
Up to 500 locations a call, each with the forecast grade of the county it sits in.
For reinsurersFederal, state, local
Storm reports and forecasts by county for planning and response.
For public sector
Academia & think tanks
Storm records back to 2003 for research.
For research
VIII · Data access
Pay for the addresses you use.
Get an API key. Five cents per address, no contracts. Or ask your AI assistant to pull it for you.
Get an API key
VIII · Enterprise briefing
Built for those who carry the risk.
Insurers, MGAs, emergency management and reinsurance. Talk to us about how AtlasCast fits your work.
Request a private briefingIX · Get started
Start with a free price quote.
Every paid call quotes the count and the price before you pay.
X · Atlas United
Storm forecasts and storm records matched to street addresses.
The platform at a glance
01 AtlasCast Storm forecasts by address, about four runs a day
02 Storm record Storms reported near each address since 2003
03 Address Risk Profile For licensed partners
API · Pricing · Investors · Request access
© 2026 Atlas United. Storm data by address.
USPTO Application #64/070,786 · Filed May 20, 2026