Privacy Policy

Data Collection

We do not collect, store, or share any personal information from visitors to this website. No account creation or login is required to use any features.

Cookies & Local Storage

This website may use cookies and browser local storage to save user preferences such as map settings, selected basemaps, and viewer configurations. These are stored locally in your browser and are not transmitted to our servers.

Analytics

This website uses Google Analytics to understand general usage patterns such as page views, visitor count, and device types. Google Analytics may use cookies to collect anonymized data. No personally identifiable information is collected through analytics.

For more information on how Google handles data, see Google's Privacy Policy.

Advertising

This website uses Google AdSense to display advertisements. Google AdSense uses cookies to serve ads based on your prior visits to this website or other websites on the internet. These cookies allow Google and its partners to show you relevant ads across websites.

You may opt out of personalized advertising by visiting Google's Ads Settings or aboutads.info. Opting out means ads you see may be less relevant to you, but they will still appear.

For more information on how Google uses data when you visit our partners' sites, see How Google uses data when you use our partners' sites or apps.

Third-Party Services

This website loads data and resources from third-party services. These services may log requests according to their own privacy policies:

Weather & Climate Data:

• NOAA / National Weather Service — MRMS radar, GOES satellite imagery, NEXRAD Level 2 & Level 3 radar, MADIS surface observations, National Water Model, NOHRSC snow analysis, Storm Prediction Center watches & mesoscale discussions
• NOAA NCEP — HRRR and RAP model data (via AWS)
• NOAA NSSL — MRMS and MYRORSS reanalysis data
• NOAA AOML — Global Drifter Program buoy data
• NOAA NCEI — Global Surface Summary of Day (GSOD)
• NSF NCAR — ERA5 global reanalysis data (via AWS)
• RCC-ACIS — Applied Climate Information System station data
• Iowa Environmental Mesonet (Iowa State University) — ASOS/METAR observations, Local Storm Reports, TAF forecasts, SPC watch/MCD archives
• CoCoRaHS — Community Collaborative Rain, Hail & Snow Network precipitation reports
• USGS — Earthquake catalog data and water resources (streamflow, gage height)

Cloud Storage (AWS S3):

• Amazon Web Services — Hosts public NOAA data archives including GOES-16/18 satellite, MRMS, HRRR, RAP, GSOD, NEXRAD radar, ERA5, and National Water Model datasets

Map Tiles & Basemaps:

• OpenStreetMap — Map tile data
• CARTO — Dark, Light, and Voyager basemap tiles
• ESRI / ArcGIS — World Imagery, Topo, Terrain, and NatGeo basemap tiles
• OpenTopoMap — Topographic map tiles
• USGS National Map — USGS Topo and Imagery basemap tiles

Libraries & Analytics:

• Google Analytics — Anonymized usage analytics
• Google AdSense — Advertisement serving (may use cookies for ad personalization)
• Leaflet.js — Interactive mapping library (loaded from unpkg.com CDN on some pages)
• Chart.js — Data charting library
• GeoTIFF.js / GeoRaster — Geospatial data rendering libraries (loaded from unpkg.com CDN)
• GitHub (raw.githubusercontent.com) — GeoJSON boundary data (states, counties, rivers, lakes, etc.)

Server Logging

We do not log IP addresses, access requests, or any other visitor information on our servers. No server-side logs of user activity are collected or retained.

Children's Privacy

This website does not knowingly collect any personal information from children under the age of 13. Since we do not collect personal information from any users, no special provisions are necessary.

Changes to This Policy

We may update this privacy policy at any time. Continued use of the website constitutes acceptance of any changes. The date of the last update is noted below.

Contact

If you have questions about this privacy policy, please contact:

Email: historicalweatherhwx@gmail.com