Live nationwide feed of active dangerous-heat alerts from the official US alerting authority — Heat Advisory, Extreme Heat Warning, and Excessive Heat Warning — with zones affected and severity for each. Use for public-health notification, outdoor-labor safety, and news agents tracking heat waves. Refreshed every 5 minutes.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.004000 USDC | 0x8503...9432 |