| What it does | Compare HDD and SSD prices with full specifications and price per terabyte in the US
| Predict school closures and delays with live weather for any US or Canadian location
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| Stage | Not given
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| Founded | Not given
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| Based in | US
| US
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Customizable columns for specifications like RPM, CMR/SMR, IOPS, TBW, and warranty
- Price per TB and price per GB calculations for fair capacity comparison
- Full-parameter comparison table with 50+ specifications per drive
| - Live weather data integration from OpenWeatherMap and Open-Meteo
- Multi-factor weather analysis including temperature, snowfall, wind, visibility, and ice risk
- Probability scoring with detailed factor breakdown
- Support for US ZIP codes and Canadian postal codes
- GPS location detection
- 50+ specialized winter calculators
- Mobile-responsive progressive web app design
- Local browser storage for recent searches with no account required
- Hourly forecast view
- Saved locations feature
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| What makes it different | - Includes 50+ specifications from manufacturer documentation, not just price and product name
- Critical fields like capacity, media type, and CMR/SMR recording type are manually verified for accuracy
- Community-maintained workspace where edits are reviewed and shared with all users
| - Explains the factors behind each prediction rather than showing an unexplained percentage
- Independent platform not affiliated with school districts or government agencies
- Continuous model refinement based on outcome review against reported closures
- Privacy-first architecture with no location data transmission or sale
- Accessible design with keyboard navigation and WCAG compliance
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| Community votes | 1 | 0 |
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| DR (Domain Rating by Ahrefs) | 23 ▼ −1 (down) since last check | 10 ● no change since last check |
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| Trust Flow (Majestic) | 8 | 2 |
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| Citation Flow (Majestic) | 28 | 11 |
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| Referring domains (Majestic) | 116 | 29 |
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Disk Prices
Snow Day Calculator