New Chase Archive Pro launches October 18 Chase Archive Pro is here

The data behind every storm.

A searchable catalog of 4,300+ severe weather events, with radar, satellite, upper-air maps, and soundings lined up in time, plus footage and photos from chasers in the field.

Try Pilger Dodge City June 2025 Browse all events →

Illustration of a camera filming a tornado beside a weather map

Inside the app

Every observation from the day, in one place

Representative and observed soundings and upper-air maps, plus detailed radar and satellite on priority events, alongside footage and photos from chasers in the field. Trace how the setup came together and how the storms evolved.

Radar reflectivity over satellite imagery with surface observations, for the Dodge City, Kansas tornadoes on May 24, 2016 — The event map, with radar and satellite layers. Filter by date, place, and tag.

500 mb heights, wind barbs, and isotachs over North America for the Pilger, Nebraska tornadoes on June 16, 2014 — Upper-air maps back to 1940: heights and winds, plus surface conditions and dewpoints.

Skew-T and hodograph with parameter tables for the Pilger, Nebraska tornadoes — Representative and observed soundings in a Skew-T and hodograph viewer.

Event page for the Wellfleet, Nebraska tornado on June 16, 2025, led by a chaser's photo of the tornado — Footage and photos from chasers, right next to the data.

Chase footage

Video and photos from chasers in the field, linked to each event.

Radar and satellite

Detailed NEXRAD sweeps and GOES imagery looping through priority events.

Soundings and upper air

Representative and observed soundings, plus 500 mb, surface, and moisture maps for the day.

Search by environment

Find cases by CAPE, shear, and helicity, not just by place and date.

Pro

Dig deeper into every storm

The full upper-air stack and advanced environment search, plus radial velocity, longer loops, and point soundings on priority events. Launching October 18 at $5.99 a month, and it keeps the archive running.

The full upper-air stack and advanced environment search, plus radial velocity, longer loops, and point soundings on priority events. $5.99 a month, and it keeps the archive running.

Founding members pay $4.99 a month for as long as they stay subscribed. Limited spots.

See pricing Create a free account Upgrade to Pro

Got footage from a chase?

Submit a case and we’ll line it up with the radar, satellite, and soundings.

Submit a case →

Talk storms with other chasers

Case requests, setups, and post-chase analysis in the Chase Archive Discord.

Join the Discord →