ATLAS UNITED
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AtlasCast

The storm,
address by address.

Ten storm types. Ten days out. Four times a day.

I · The idea

Which addresses could a storm reach next?

AtlasCast is a storm forecast that works address by address. It looks days ahead, and it names the places a storm could touch, not just the region it is heading for.

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 · Ten days out

Graded A to F.

Every county receives a grade for each forecast window, from the next 24 hours out to ten days. A glance tells you where to look.

ABCDF
24 hoursWindow
48 hoursWindow
3 daysWindow
5 daysWindow
7 daysWindow
10 daysWindow
Four times a dayThe forecast is refreshed at 03, 09, 15 and 21 UTC.
Could, not willA forecast shows what could happen. The further out, the less certain it is.
United StatesCoverage follows the addresses we hold, across the country.

IV · Address by address

A list, not a map shading.

Inside each forecast footprint, AtlasCast lists the individual addresses: where they are, which storm type could reach them, and in which window. You can read it on the live map, or take it as data.

V · Begin

See it live,
or take the data.

Open the live map to watch the forecast. When you want the addresses themselves, get a free key on TrueFixR. Five cents per address, no contracts, pay as you go.

Open the live map Get the data

Further detail · AtlasCast · Live severe-weather forecasting

Severe weather, forecast to the address.

Atlas United grades the risk a property carries. AtlasCast forecasts the storm that's coming for it, 10 storm types, per address, up to 10 days out, refreshed four times a day. Built so decision-makers see the threat with time to act.

10 storm types

·

282.9M addresses

·

10-day horizon

·

refreshed 4×/day

AtlasCast · Continental US

Live forecast

Further detail

282.9

M

U.S. addresses forecast

7

Storm types, every season

16

days

Forward forecast horizon

4

×

Full re-forecasts per day

Further detail · What it's used for

Lead time is the product.

AtlasCast turns federal weather models into an address-level warning the teams responsible for people, property, and infrastructure can act on, days before impact.

Emergency management

Pre-position crews and shelters, alert vulnerable facilities, schools, hospitals, nursing homes, by exact address, and buy evacuation lead time before impact.

Insurance & reinsurance

See which addresses on the book face incoming severe weather, warn policyholders to mitigate, and pre-stage catastrophe response, reserves, and claims.

Utilities & energy

Pre-stage line crews ahead of wind and ice, harden the at-risk grid segments, trigger automated hail-stow for solar assets, and cut outage minutes.

Government & public sector

Mitigation planning, hazard mapping, and resilience for Federal, State, and Local agencies, auditable and citable intelligence.

Logistics & aviation

Reroute fleets, protect cargo, and reschedule operations around severe weather with per-corridor lead time instead of last-minute scrambles.

Agriculture

Protect crops and livestock ahead of freeze, hail, and flash flooding, with a forward forecast tied to the specific fields at risk.

Further detail · Coverage

Ten storm types, every season.

Each U.S. address is classified for the hazard actually forecast to reach it, from spring supercells to winter ice, all from one engine.

Tornado

Rotation / STP

Hail

Significant hail

Damaging wind

Gust threat

Flash flood

Rain + terrain

Heavy rain

QPF / PWAT

Winter / snow

Accumulation

Ice / freezing rain

Precip type

Wildfire

Fire-weather index

Hurricane

Track / cone

Coastal surge

Surge height

Further detail · How it works

Conditions in. A per-address forecast out.

Four times a day, AtlasCast turns the latest conditions into a forecast for every address in the country.

01

Ingest the feeds

Fresh conditions arrive several times a day, from long-range outlooks to live radar.

02

Read the storm

The storm-environment signals for every point on the grid are derived and scored for each of the ten perils.

03

Trace the path

Each storm is projected across the forecast hours with a confidence cone that widens the further out it looks.

04

Resolve to addresses

The forecast is matched to the 282.9M U.S. addresses under it, who is actually in the path, and how likely.

Further detail · Why it's different

Not a radar app. A forecast, per address.

01

Per address

Every one of 282.9M U.S. addresses, not a county, not a ZIP, not a radar tile.

02

Forward-looking

A forecast of what's coming, 24 hours to 10 days out, not a static grade of what a property is.

03

Lead time

The threat is flagged days ahead, so crews, carriers and agencies can act before it lands.

04

All season

Severe, tropical, and winter hazards from a single engine, refreshed around the clock.

A forecast is a probability, not a promise, AtlasCast flags the threat with lead time to act.

Further detail · Every forecast, explained

A grade tells you what. This tells you why.

Most peril data hands you a color on a map. AtlasCast hands you the physics behind the call.

The real reason behind every flag

When an address is flagged, AtlasCast shows the actual meteorology that triggered it, CAPE, storm-relative helicity, precipitable water, fire-weather index, not just a grade. Present whenever the qualifying weather is real for that forecast cycle, so the reason is always tied to genuine atmospheric data, never invented after the fact.

Further detail · Get started

See the storm before it arrives.

Launch the live national map, or request access to the AtlasCast API for your addresses.

Private briefing

Talk to us, in person.

Request a private briefing