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Weather & Climate Disaster · daily ban:none tA

Lake Mead / Lake Powell Elevation vs Tier Trigger Thresholds

Daily reservoir elevation (ft) vs Bureau of Reclamation Tier 1/2/3 shortage trigger levels

Feed detail
Measures
Daily reservoir elevation (ft) vs Bureau of Reclamation Tier 1/2/3 shortage trigger levels
Source
USBR Lower Colorado water operations data (usbr.gov/lc/region/g4000/hourly)
Access
csv
Cadence
dailyupdates once a day
Thesis
Elevation trajectory toward shortage tiers precedes formal Colorado River shortage declarations that cut Arizona/Nevada agricultural water allocations, hitting regional ag and real-estate water-rights values
Maps to
Arizona/Nevada farmland & water-rights valuations, Hoover Dam hydropower output
Crowdedness
contested
Tier
tA
Ban-risk
ban:none
Where this stands

This is a catalogued data feed with a research idea attached, not a validated edge. Being listed here means it has a specific source and a one-sentence causal mechanism mapped to what it should move — it doesn’t mean it has cleared the five-stage validation gate (point-in-time hygiene, out-of-sample holdout, multiple-testing correction, and the portfolio-layer backstop). As of today, every score on this site is prior-only; zero signals in the catalog have been promoted to “measured” status. See the methodology page for the full validation process and current counts.

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