127 lines
8.8 KiB
HTML
127 lines
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HTML
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<h1>Reading the stress bands</h1>
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<p class="tagline">Colour-coded comfort, at a glance.</p>
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<p>
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SunScope maps every SunSoak value to a thermal stress band so you can read conditions at a glance.
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The same colours run through the forecast table and the day strip — blue for cold, green for
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comfortable, and yellow through red for increasing heat stress.
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</p>
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<table class="stress-table">
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<thead>
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<tr><th>SunSoak range</th><th>Band</th><th>What it means outdoors</th></tr>
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</thead>
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<tbody>
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<tr><td><span class="swatch" style="background:#23408f"></span>Below −27 °C</td><td>Polar</td><td>Survivable only with expedition-grade kit; do not go outside unprepared</td></tr>
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<tr><td><span class="swatch" style="background:#3f73c4"></span>−27 to −13 °C</td><td>Arctic</td><td>Very strong cold stress; full winter protection needed</td></tr>
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<tr><td><span class="swatch" style="background:#7eb0e0"></span>−13 to 0 °C</td><td>Freezing</td><td>Strong cold stress; warm layers essential</td></tr>
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<tr><td><span class="swatch" style="background:#bcd9ec"></span>0 to 9 °C</td><td>Cold</td><td>Moderate cold stress; coat and gloves advised</td></tr>
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<tr><td><span class="swatch" style="background:#c8dcc0"></span>9 to 18 °C</td><td>Chilled</td><td>Slight cold stress; comfortable with a light jacket</td></tr>
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<tr><td><span class="swatch" style="background:#4a8a3a"></span>18 to 24 °C</td><td>Comfortable</td><td>No thermal stress; ideal outdoor conditions</td></tr>
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<tr><td><span class="swatch" style="background:#f8e554"></span>24 to 27 °C</td><td>Warm</td><td>Mild heat stress; still comfortable for most activity</td></tr>
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<tr><td><span class="swatch" style="background:#f5aa54"></span>27 to 32 °C</td><td>Caution</td><td><ul><li>Avoid strenuous activity or exercise outdoors</li><li>Drink plenty of fluids</li><li>Wear light clothing</li></ul></td></tr>
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<tr><td><span class="swatch" style="background:#f5884a"></span>32 to 41 °C</td><td>Extreme</td><td><ul><li>Take frequent breaks and spend time indoors in the air conditioning</li><li>Avoid strenuous activity or exercise outdoors</li><li>Drink plenty of fluids</li><li>Wear light clothing</li></ul></td></tr>
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<tr><td><span class="swatch" style="background:#880000"></span>Above 41 °C</td><td>Danger</td><td><ul><li>Limit time spent outdoors</li><li>Stay indoors with the air conditioning on as much as possible</li><li>Avoid strenuous activity or exercise outdoors</li><li>Drink plenty of fluids</li><li>Wear light clothing</li></ul></td></tr>
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</tbody>
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</table>
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<p>
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These bands follow the UTCI thermal-stress categories. The SunSoak value they colour is the
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felt temperature after the rain/snow penalty, Solar Model, and mean radiant temperature are applied —
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see <a href="./sunsoak.html">SunSoak & the science</a> for how that number is built.
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© 2026 <a href="https://fraxle.net" target="_blank" rel="noopener noreferrer">Fraxle.NET</a> · <a href="./index.html">Forecast</a> · <a href="./about.html">About</a> · <a href="./faq.html">FAQ</a>
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· <a href="./dashboard.html">Dashboard</a> · <a href="https://billing.stripe.com/p/login/9B63cw7vl8k15Ei9DQd7q00" target="_blank" rel="noopener noreferrer">Account</a> · Data: <a href="https://open-meteo.com/" target="_blank" rel="noopener noreferrer">Open-Meteo</a> · UTCI: <a href="https://utci.org/" target="_blank" rel="noopener noreferrer">Bröde 2012</a>
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