Sensor hits
12,676
Observations
12,676
Sweep radius
150 km
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-07-27T13:59:00-04:00 |
|---|---|
| end_utc | 2026-07-27T13:59:00-04:00 |
| lat | 41.580 |
| lon | -87.670 |
| origin_utc | 2026-07-27T13:59:00-04:00 |
| state | IL |
| last_fix_utc | 2026-07-27T13:59:00-04:00 |
| window_hours_before | 6 |
| window_hours_after | 6 |
| provisional | true |
| county | Cook |
| comments | Likely portion of tornado path in/near Markham. Concentrated area of tree damage along westbound I-80/I-294 at the Dixie Highway exit directly east and west of the exit (LOT) |
Provenance
- spc_reports
Instruments swept: nws_alerts=[object Object] · goes19_glm_flashes=[object Object] · spc_reports=[object Object] · blitzortung_lightning=[object Object] · goes18_glm_flashes=[object Object]
Storage: dossier · event_storehouse/tor/prelim-20260727-1359-41.58x-87.67.json