🔧 氣象天氣工具

🌩️ CAPE對流有效位能CAPE (Convective Available Potential Energy) Calculator 輸入氣塊溫度、環境溫度及自由對流高度(LFC)和平衡高度(EL)氣壓，計算對流有效位能 CAPE 和理論最大上升速度。Compute CAPE, the convective available potential energy in the atmosphere. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Pa... ☁️ 雲圖識別Cloud Identify 依據世界氣象組織十屬雲分類，按雲族對照雲底高度、外觀形態與典型天氣預示，幫助氣象愛好者與民航人員野外識別雲狀並預判天氣變化。Cloud Identify - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌤️ 雲底高度Cloud Base Height 由氣溫與露點差，按經驗規則 H ≈ (T − Td) × 125（米/℃）估算雲底高度。Cloud Base Height - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🚗 交通氣象安全提示Traffic Weather Safety Advisor 輸入能見度、路面溫度、風速，綜合評估低能見度、結冰、側風等不利氣象對交通安全的影響並輸出預警等級。Assess traffic risks from visibility, road temperature and wind speed (fog, etc.). Free online tool on ToolBox — 100% client-side, no data uploaded, no ins... 🌤️ 體感溫度 ATApparent Temperature Calculator 輸入氣溫、相對溼度與風速，按Steadman體感溫度公式估算人體實際感受溫度，用於高溫高溼或風寒環境下的健康提示與穿衣建議。Apparent Temperature Calculator - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology ... 🥵 體感溫度計算Apparent Temperature Calculate 高溫高溼時計算炎熱指數（Heat Index），低溫有風時計算風寒指數（Wind Chill）Apparent Temperature Calculate - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology ... 🌤️ 體感溫度（溫溼風效應）計算Temp 輸入氣溫、相對溼度、風速，自動計算酷熱指數、風寒指數與表觀溫度，並根據溫度區間給出主參考值Temp - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌾 農業氣象建議Agrometeorological Advisory 輸入溫度、降水、有效積溫，結合作物生育期需求，給出播種、收割、灌溉等農事建議。Get farming advice from temperature, precipitation and accumulated temperature for maize, rice, wheat. 🌀 颱風定強Typhoon Intensity Determination 輸入颱風中心最低海平面氣壓，用 Atkinson-Holliday 經驗公式估算近中心最大風速，並判定颱風強度等級。Determine tropical cyclone intensity from minimum sea-level central pressure. Free online tool on ToolBox — 100% client-side, no data uploaded, no install.... 🌬️ 大風影響評估High Wind Impact Assessment 輸入平均風速和陣風風速，按蒲福風級（Beaufort Scale）判定風力等級，計算陣風係數並評估大風影響程度。Assess high-wind impact by the Beaufort wind scale. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology ... 🌤️ 乾旱評估計算模型Assessor 29 輸入同期降水量與多年平均降水量，計算降水距平百分率（Pa）與標準化降水指數（SPI），自動判定乾旱等級並給出應對建議。Assessor 29 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌤️ 建築物防雷分類與保護範圍計算Detector Protection 根據建築物用途與年預計雷擊次數判定防雷類別，使用滾球半徑法計算避雷針保護範圍，並自查防雷設施合規性。Detector Protection - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather t... 🏖️ 旅遊氣象指數Travel Weather Index 輸入溫度、溼度、風速和紫外線指數，加權計算旅遊適宜度指數，給出出遊建議。Rate travel weather from temperature, humidity, wind and UV. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Mete... ☀️ 日照輻射計算Solar Radiation Calculator 輸入緯度、年中第幾日、日照時數，按 Angstrom-Prescott 公式估算地外輻射、到達地表太陽輻射量及光伏發電潛力。Estimate solar radiation (FAO method). Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather to... 🌙 月相照明率計算Moon Illumination Calculator 輸入日期（或直接輸入月齡天數），計算月齡、照明率、月相名稱與月升月落估算Compute moon illumination and phase name from date or age. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteor... 🌤️ 氣候（預測/距平/異常）分析Analysis 31 氣候預測、距平與異常分析工具基於標準數學統計評估氣溫降水距平與異常，適合氣象科普、農業與氣候趨勢研判。Analysis 31 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🧭 氣壓系統移動路徑Pressure System Movement Path 輸入當前本站氣壓與近 3 小時氣壓變化量，判斷氣壓系統型別、變化趨勢與未來天氣走向。Estimate pressure-system movement from local pressure and 3-hour change. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part... 🌤️ 氣壓高度 hPressure Altitude 由氣壓按國際標準大氣反算海拔高度：h = 44330·(1 − (P/P₀)^0.1903)。Pressure Altitude - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. ⚠️ 氣象健康風險預警Risk 14 輸入溫度、溼度、風速、氣壓，計算各氣象要素偏離舒適區的程度，加權得到綜合健康風險指數與預警等級。Risk 14 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌊 海洋風暴潮預警Storm Surge Warning 輸入颱風中心氣壓、最大風速和移動方向，估算氣壓效應增水、風力效應增水及總風暴潮增水高度。Warn for coastal storm surge from typhoon pressure and max wind. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the ... 🌡️ 溫壓溼度換算Temp Pressure 輸入氣溫、相對溼度與氣壓，計算飽和水汽壓、實際水汽壓、露點溫度與空氣密度，常用於大氣探空、通風換熱與氣象資料的引數換算。Temp Pressure - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌤️ 溫度Isa Temperature 由海拔高度按 ISA 模型求氣溫：對流層（≤11km）每千米降 6.5℃，平流層底部恆溫。Isa Temperature - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌤️ 溼熱指數（Humidex）計算器Humidex 由氣溫與相對溼度，先求水汽壓 e，再按 Humidex = T + 0.5555·(e − 10) 計算溼熱體感指數。Humidex - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌤️ 溼球溫度 T_wWet Bulb Temperature 由氣溫與相對溼度，按 Stull(2011) 經驗多項式估算溼球溫度，適用 5–95%RH、-20–50℃。Wet Bulb Temperature - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather ... 🌤️ 潮汐（天文）調和分析Analysis Tide 潮汐天文調和分析工具基於日月引潮力模型推算潮汐調和常數與潮時潮高，適合航海、港口與海岸工程的潮汐預報。Analysis Tide - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌤️ 相對溼度 RHRelative Humidity 輸入氣溫與露點溫度，按Magnus關係反算相對溼度RH，用於氣象觀測與室內環境評估。Relative Humidity - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌫️ 空氣質量AQI計算Air Quality AQI Calculate 輸入六項汙染物濃度，按 HJ 633-2012 標準逐項計算 IAQI 並取最大值得到 AQI。單位：μg/m³（CO 為 mg/m³）。Air Quality AQI Calculate - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Wea... 🌞 紫外線指數防護Protection 3 輸入紫外線指數（UV Index，0–16），查詢風險等級、防護建議與不同膚色的曬傷時間Protection 3 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌤️ 絕對溼度 AHAbsolute Humidity 由氣溫與相對溼度，按經驗式計算單位體積空氣中的水蒸氣質量（g/m³）。Absolute Humidity - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌼 花粉濃度過敏指數Concentration 4 輸入花粉濃度（grains/m³）、花粉型別與天氣狀況，計算過敏指數（0–5）與風險等級Concentration 4 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌤️ 蒲福風級Beaufort Scale 輸入10米高度風速(m/s)，對映到蒲福風級0-12並給出等級名稱與海面或陸地徵象描述，便於氣象記錄、航海與戶外活動判斷風力強弱。Beaufort Scale - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌧️ 降水機率估計Precipitation Probability Estimator 輸入整層水汽通量與抬升指數（LI），結合水汽條件與大氣穩定度估算降水發生機率和量級。Estimate precipitation probability from integrated water vapor flux and Lifted Index (LI). Free online tool on ToolBox — 100% client-side, no data uploaded... 🌧️ 降水量計算Precipitation Calc 輸入降水量與降水歷時，計算降水強度並判定暴雨等級，再按匯水面積估算總降水量，用於氣象與排水分析。Precipitation Calc - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteoro... 🌤️ 降雨等級Precipitation Rate 輸入小時降雨量(mm/h)，對照國家雨量等級標準判定小雨、中雨、大雨、暴雨或大暴雨級別，用於氣象預警、排水設計與汛情快速研判。Precipitation Rate - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather to... 📡 雷達反射率判讀Speed 11 輸入雷達反射率因子（dBZ），利用 Z-R 關係估算降水強度，並判別回波型別與對流強度。Speed 11 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. ⛈️ 雷達回波強度評估Strength 3 輸入回波強度、回波頂高、回波面積，綜合評估對流強度等級、冰雹機率與降水貢獻。Strength 3 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌤️ 霧（能見度）生成條件Generator 30 霧能見度生成條件工具按溫溼度與降溫條件估算霧的形成機率與能見度等級，適合天氣預報、交通與航空能見度預警參考。Generator 30 - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteoro... 💧 露點舒適度計算Humidity 1 輸入氣溫與相對溼度，計算露點溫度、實際水汽壓、按模型估算體感溫度並給出舒適度等級，用於室內外環境評估與通風空調調節參考。Humidity 1 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌤️ 露點（Magnus 公式）Dew Point 輸入氣溫與相對溼度，按Magnus公式反算露點溫度Td，用於判斷結露、霧與霜的形成條件。Dew Point - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌤️ 風向方位Wind Direction 輸入0-360°風向角度，對映到N、NNE、NE等16方位羅盤名稱並標註大致方向，適用於氣象觀測記錄、航海與戶外活動的風向快速判讀。Wind Direction - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌤️ 風寒指數Wind Chill 由氣溫與風速（km/h），按加拿大環境部 WCT 公式估算體感寒冷程度。Wind Chill - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Weather tools. 🌤️ 飽和水汽壓 e_sSaturation Vapor Pressure 由氣溫，按 Magnus 公式 e_s = 6.1094·exp(17.625T/(T+243.04)) 計算飽和水汽壓。Saturation Vapor Pressure - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Meteorology & Wea...