TREMORSign in
Atmospheric24 hoursopen

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 50 km of California, United States in the next 24 hours.

Probability

69%

Interval

60–78%

Opens

2026-10-02 00:00 UTC

Closes

2026-10-03 00:00 UTC

Resolution rule

Fixed at publication time; this is what the outcome is graded against.

kind
event_in_window
domain
atmospheric
metric
severity
description
Resolves MATCHED when an outcome event in the atmospheric domain occur between 2026-10-02T00:00:33.173Z and 2026-10-03T00:00:33.173Z, within 50 km of 37.2, -119.5, meeting or exceeding 62. Otherwise EXPIRED_MISS at window close.
min intensity
62
min event count
1

Outcome

The window is still open. Tremor grades this automatically against independently ingested outcome events once it closes — the probability above is never revised.

Was this useful?

Tremor publishes probabilities, not warnings, and is not an emergency service. For official alerts follow USGS, NOAA/NWS, NASA SWPC or your national authority.