Daily Brief · 2026-08-25

TREMOR DAILY BRIEF — 2026-08-25

Global Tremor Score: 100/100 (critical). 626 signals ingested in the last 24 hours.

WHERE SIGNALS ARE CONVERGING

• California and Nevada, United States — 100/100 across Atmospheric (base 100).

California and Nevada, United States is scoring 100/100. A single domain (atmospheric) drives this cluster; no convergence multiplier applied. Contributing signals: Extreme Heat Watch — 4 active NWS alerts in California; Extreme Heat Warning — 1 active NWS alert in California; Red Flag Warning — 1 active NWS alert in California; Severe Thunderstorm Warning — 1 active NWS alert in Nevada.

• Utah, Idaho and 2 more, United States — 100/100 across Atmospheric (base 100).

Utah, Idaho and 2 more, United States is scoring 100/100. A single domain (atmospheric) drives this cluster; no convergence multiplier applied. Contributing signals: Severe Thunderstorm Warning — 1 active NWS alert in Utah; Severe Thunderstorm Warning — 1 active NWS alert in Idaho; Fire Weather Watch — 1 active NWS alert in Idaho; Severe Thunderstorm Warning — 1 active NWS alert in Colorado.

• Oregon, Idaho and 1 more, United States — 100/100 across Atmospheric (base 100).

Oregon, Idaho and 1 more, United States is scoring 100/100. A single domain (atmospheric) drives this cluster; no convergence multiplier applied. Contributing signals: Red Flag Warning — 2 active NWS alerts in Oregon; Red Flag Warning — 1 active NWS alert in Idaho; Fire Weather Watch — 1 active NWS alert in Oregon; Fire Weather Watch — 1 active NWS alert in Idaho.

• California, United States — 100/100 across Atmospheric (base 100).

California, United States is scoring 100/100. A single domain (atmospheric) drives this cluster; no convergence multiplier applied. Contributing signals: Extreme Heat Watch — 4 active NWS alerts in California; Red Flag Warning — 1 active NWS alert in California; Extreme Heat Warning — 1 active NWS alert in California.

• California, United States — 100/100 across Atmospheric (base 100).

California, United States is scoring 100/100. A single domain (atmospheric) drives this cluster; no convergence multiplier applied. Contributing signals: Extreme Heat Watch — 4 active NWS alerts in California; Red Flag Warning — 1 active NWS alert in California; Extreme Heat Warning — 1 active NWS alert in California.

OUTLOOKS OPENED

• [12 months] Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 545 km of Texas, Oklahoma and 2 more, United States in the next 12 months. Window closes 2027-08-25 06:01 UTC.
• [12 months] Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 545 km of Arizona and Utah, United States in the next 12 months. Window closes 2027-08-24 18:01 UTC.
• [12 months] Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 539 km of Arizona, United States in the next 12 months. Window closes 2027-08-25 04:03 UTC.
• [12 months] Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 513 km of Gulf coastal waters, Louisiana and 3 more, United States in the next 12 months. Window closes 2027-08-24 22:01 UTC.
• [12 months] Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 470 km of California, Nevada and 1 more, United States in the next 12 months. Window closes 2027-08-24 08:01 UTC.
• [12 months] Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 339 km of Oregon and Idaho, United States in the next 12 months. Window closes 2027-08-24 08:01 UTC.
• [12 months] Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 592 km of Florida, Georgia and 5 more, United States in the next 12 months. Window closes 2027-08-25 00:00 UTC.
• [12 months] Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 80 km of Arizona, United States in the next 12 months. Window closes 2027-08-25 00:00 UTC.

WHAT RESOLVED

• No prediction windows closed in this period.

CALIBRATION

• Resolved predictions: 0. Brier score: n/a. Hit rate above 50% confidence: n/a.
• No resolved predictions yet.

SOURCE HEALTH

• 8 healthy, 0 degraded, 0 down.

Tremor publishes probabilities, not warnings. For official alerts always follow your national agency (USGS, NOAA/NWS, NASA SWPC, or your local civil-protection authority).