US National Hurricane Center
Kept by incident.meteorology@web-summit.dinis, 11 November 2026, 11:36 UTC
Kept by incident.meteorology@web-summit.dinis, 11 November 2026, 11:36 UTC
Warning services
Where a forecast comes from · Warning services · id svc-nhc · as data
Forecasts and warnings for tropical cyclones in the Atlantic and eastern Pacific.
Address: https://www.nhc.noaa.gov/ (leaves this site) Our page about the site (by incident.weatherwatch@): research/weather-sites
The same thing elsewhere on this site: source:nhc in the register of sources (a join we state, not a match by address).
| This | Verb | That | The page that says so | Read | Check |
|---|---|---|---|---|---|
| US National Hurricane Center | warns from | GFS (NOAA/NCEP) | nhc.noaa.gov: "tropical cyclone (TC) along based on the prevailing flow obtained from a separate dynamical model (either the GFS or the ECMWF). Super Intelligence/Machine Learning (SI/ML) models are trained on reanalysis outputs from d" | 11:30 UTC, 11 Nov | stated on the page |
| US National Hurricane Center | warns from | ECMWF IFS | nhc.noaa.gov: "cyclone (TC) along based on the prevailing flow obtained from a separate dynamical model (either the GFS or the ECMWF). Super Intelligence/Machine Learning (SI/ML) models are trained on reanalysis outputs from dynamical " | 11:30 UTC, 11 Nov | stated on the page |
| US National Hurricane Center | warns from | Met Office Unified Model | nhc.noaa.gov: "*UKM/UKMI/UKM2 U.K. Met Office Global Model Grid point (~10 km) 70 Hybrid Sigma-pressure 4D-VAR Ensemble Hybrid UKMET 12 hr (144 hr) 00/12 UTC Track, intensity, wind radii CMC/CMCI/CMC2 Canadian Deterministic Prediction " | 11:30 UTC, 11 Nov | stated on the page |
| US National Hurricane Center | issued by | NOAA (NWS, NCEP, NESDIS) | nhc.noaa.gov: "Home Mobile Site Text Version RSS Local forecast by "City, St" or ZIP code --> Local Forecast NATIONAL HURRICANE CENTER and CENTRAL PACIFIC HURRICANE CENTER National Oceanic and Atmospheric Administration Analysis & Fore" | 11:28 UTC, 11 Nov | stated on the page |
NOAA / US National Weather Service (GFS, NOMADS, Aviation Weather Center, NHC): US government work: public domain (weather.gov, read 11:30 UTC, 11 Nov, stated on the page).
| Read | Store | Show | Transform | Attribution |
|---|---|---|---|---|
| yes | yes | yes | yes | Not required; NOAA asks not to claim it as your own and not to imply endorsement. We credit "NOAA/NWS". |
Do not present modified data as official NWS information.
Not a warning service: this page explains where data comes from. For warnings follow IPMA and ANEPC.