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Weather for cape charles va12/15/2023 Is 76% and the mostly-cloudy accuracy is 89%. When the forecast is predicting 36 to 48 hours into the future, the mostly-clear accuracy Mostly-clear forecasts (cloud75%) have been When the forecast is clear, the sky may still be hazy, if the transparency forecast is poor.Īccuracy averaged over North America for a 30 day period: when the forecast is predicting less than 12 hours into the future, This forecast may miss low cloud and afternoon thunderstorms. Lighter shades of blue are increasing cloudiness and white is overcast. The colors are picked from what color the sky is likely to be, with The line, labeled Cloud Cover forecasts total cloud cover. Connected blocks mean one forecast calculation for several hours. (Local time for Cape Charles is -5.0 hours from GMT.) Single blocks mean separate forecast data for each hour. A digit 1 on top of a 3 means 13:00 or 1pm. The two numbers at the top of a column is the time. The colors of the blocks are the colors from CMC's forecast maps for that hour. Summary: In the rows labeled "Sky", find a column of blue blocks. Summarizes CMC's forecast images just for Cape CharlesĪnd the surroundings out to about 10 miles. So, Attilla Danko wrote a script to generate the images like the one above It can be a chore to find the one map that tells you if you can observe tonight. CMC's numerical weather forecasts are unique because they are specifically designed for astronomers.īut they have 1180 forecast maps. The data comes from a forecast model developed by Allan Rahill of theĬanadian Meteorological Centre. It's a prediction of when Cape Charles, VA, will have good weather for astronomical observing. At a glance, it shows when it will be cloudy or clear for the A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.It's the astronomer's forecast. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Note: The maximum daily UV index, 4 in April, converts into the following recommendations:Īct with care - The suggestion to avoid sunburn is emphasized. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person. UV indexIn Cape Charles, Virginia, the average daily maximum UV index in April is 4. SunshineThe average sunshine in April in Cape Charles is 9.5h. On the last day of the month, sunrise is at 6:10 am and sunset at 7:52 pm EDT. On the first day of April in Cape Charles, sunrise is at 6:49 am and sunset at 7:26 pm. DaylightThe average length of the day in April is 13h and 11min. A short span at 55.4☏ without it is tough. Note: You can swim in 53.2☏ below 50☏ with proper thermal wear failing that, the cold shock and respiratory challenges are nearly certain. Ocean temperatureIn April, the average ocean temperature in Cape Charles is 53.2☏. SnowfallIn Cape Charles, snow does not fall in April through December. In Cape Charles, during the entire year, the rain falls for 131.1 days and collects up to 13.54" of precipitation. Rainfall In Cape Charles, in April, it is raining for 11.3 days, with typically 1.02" of accumulated precipitation. HumidityIn Cape Charles, the average relative humidity in April is 77%. Cape Charles's April nights witness minimal differential from the daytime temperatures, with averages of 52☏. TemperatureApril in Cape Charles brings a temperature change, with average high-temperatures moving from March's cool 50.5☏ to a mild 59.5☏. Despite being one of the rainiest, April remains a pleasant month, with the added charm of spring. This month also reveals an Earth's tilt favor, lengthening daylight hours to 13.2. Coupled with this is a substantial rise in temperatures, thus eliminating frost and nurturing budding flowers. Noticeable among these is an increase in rainfall, hitting an apex at 1.02". April showcases great leaps in weather patterns, completely heralding in spring at Cape Charles.
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