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Created November 20, 2017 21:01
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Snowdonia weather forecast
{
"Report": {
"Location": "Snowdonia",
"Issue": "1800",
"Issued": "2017-11-20T17:03:59Z",
"Type": "PWS Mountain Forecast",
"ParamUnits": {
"WindSpeed": "mph",
"MaxGust": "mph",
"Temperature": "degC",
"FeelsLike": "degC"
},
"Evening": {
"Validity": "2017-11-20T18:00Z",
"Summary": "Outbreaks of rain or drizzle with low cloud becoming extensive through the evening. Fresh southwesterly winds."
},
"Days": {
"Day": [
{
"Validity": "2017-11-21T00:00Z",
"Headline": "Low cloud and patchy light rain, turning heavy for a time in afternoon. Mild and breezy with winds strengthening.",
"Confidence": "High confidence for often wet and windy conditions over the next few days. Lower confidence for exact timings of rain and for the timing of colder weather arriving later in the week.",
"View": "Winds will strengthen significantly during the afternoon with gusts of 65mph on the high ridges and summits by evening.",
"CloudFreeHillTop": "Almost nil. Extensive cloud above 400m but bases occasionally rising to around 600m during the day, perhaps briefly above 800m in the east, then lowering to around 300m again in evening.",
"Weather": "Cloudy overnight with occasional drizzle. Tuesday will remain largely cloudy and mild with patchy light rain or drizzle. Some fleeting brightness is possible over the eastern side of the National Park during the middle part of the day, best chance to the east of the A5. Rain then becoming heavy for a while in the afternoon before easing in the evening.",
"Visibility": "Often poor with extensive cloud and occasional drizzle, especially early and late. Good at low levels at times but remaining hazy.",
"Hazards": {
"Hazard": [
{
"Element": {
"Type": "BLIZZARDS",
"$": "Blizzards"
},
"Likelihood": {
"Type": "NO_LIKELIHOOD",
"$": "No likelihood"
}
},
{
"Element": {
"Type": "HEAVY_SNOW",
"$": "Heavy Snow"
},
"Likelihood": {
"Type": "NO_LIKELIHOOD",
"$": "No likelihood"
}
},
{
"Element": {
"Type": "STORM_FORCE_WINDS",
"$": "Storm Force Winds"
},
"Likelihood": {
"Type": "LOW_LIKELIHOOD",
"$": "Low likelihood"
}
},
{
"Element": {
"Type": "GALES",
"$": "Gales"
},
"Likelihood": {
"Type": "HIGH_LIKELIHOOD",
"$": "High likelihood"
}
},
{
"Element": {
"Type": "SEVERE_CHILL_EFFECT",
"$": "Severe Chill Effect"
},
"Likelihood": {
"Type": "NO_LIKELIHOOD",
"$": "No likelihood"
}
},
{
"Element": {
"Type": "POOR_VISIBILITY",
"$": "Poor Visibility"
},
"Likelihood": {
"Type": "HIGH_LIKELIHOOD",
"$": "High likelihood"
}
},
{
"Element": {
"Type": "THUNDERSTORMS",
"$": "Thunderstorms"
},
"Likelihood": {
"Type": "NO_LIKELIHOOD",
"$": "No likelihood"
}
},
{
"Element": {
"Type": "HEAVY_PERSISTENT_RAIN",
"$": "Heavy Persistent Rain"
},
"Likelihood": {
"Type": "LOW_LIKELIHOOD",
"$": "Low likelihood"
}
},
{
"Element": {
"Type": "STRONG_SUNLIGHT",
"$": "Strong Sunlight"
},
"Likelihood": {
"Type": "NO_LIKELIHOOD",
"$": "No likelihood"
}
}
]
},
"Periods": {
"Period": [
{
"End": "03:00",
"Start": "00:00",
"SignificantWeather": {
"Code": "6",
"$": "Fog"
},
"Precipitation": {
"Probability": "40%"
},
"Height": [
{
"Level": "900m",
"WindDirection": "SW",
"WindSpeed": 26,
"MaxGust": 33,
"Temperature": 8,
"FeelsLike": 4
},
{
"Level": "600m",
"WindDirection": "SW",
"WindSpeed": 18,
"MaxGust": 25,
"Temperature": 10,
"FeelsLike": 7
},
{
"Level": "300m",
"WindDirection": "SW",
"WindSpeed": 11,
"MaxGust": 22,
"Temperature": 11,
"FeelsLike": 9
},
{
"Level": "Valley",
"WindDirection": "SW",
"WindSpeed": 11,
"MaxGust": 22,
"Temperature": 12,
"FeelsLike": 10
}
],
"FreezingLevel": "2400m"
},
{
"End": "06:00",
"Start": "03:00",
"SignificantWeather": {
"Code": "11",
"$": "Drizzle"
},
"Precipitation": {
"Probability": "60%"
},
"Height": [
{
"Level": "900m",
"WindDirection": "SW",
"WindSpeed": 26,
"MaxGust": 34,
"Temperature": 8,
"FeelsLike": 3
},
{
"Level": "600m",
"WindDirection": "SW",
"WindSpeed": 18,
"MaxGust": 26,
"Temperature": 9,
"FeelsLike": 6
},
{
"Level": "300m",
"WindDirection": "SW",
"WindSpeed": 11,
"MaxGust": 22,
"Temperature": 11,
"FeelsLike": 9
},
{
"Level": "Valley",
"WindDirection": "SW",
"WindSpeed": 11,
"MaxGust": 22,
"Temperature": 12,
"FeelsLike": 10
}
],
"FreezingLevel": "2300m"
},
{
"End": "09:00",
"Start": "06:00",
"SignificantWeather": {
"Code": "6",
"$": "Fog"
},
"Precipitation": {
"Probability": "60%"
},
"Height": [
{
"Level": "900m",
"WindDirection": "SW",
"WindSpeed": 27,
"MaxGust": 37,
"Temperature": 7,
"FeelsLike": 2
},
{
"Level": "600m",
"WindDirection": "SW",
"WindSpeed": 19,
"MaxGust": 28,
"Temperature": 9,
"FeelsLike": 5
},
{
"Level": "300m",
"WindDirection": "SW",
"WindSpeed": 12,
"MaxGust": 24,
"Temperature": 10,
"FeelsLike": 8
},
{
"Level": "Valley",
"WindDirection": "SW",
"WindSpeed": 11,
"MaxGust": 24,
"Temperature": 11,
"FeelsLike": 9
}
],
"FreezingLevel": "2100m"
},
{
"End": "12:00",
"Start": "09:00",
"SignificantWeather": {
"Code": "11",
"$": "Drizzle"
},
"Precipitation": {
"Probability": "60%"
},
"Height": [
{
"Level": "900m",
"WindDirection": "SW",
"WindSpeed": 31,
"MaxGust": 42,
"Temperature": 5,
"FeelsLike": -1
},
{
"Level": "600m",
"WindDirection": "SW",
"WindSpeed": 23,
"MaxGust": 33,
"Temperature": 7,
"FeelsLike": 3
},
{
"Level": "300m",
"WindDirection": "SW",
"WindSpeed": 15,
"MaxGust": 30,
"Temperature": 9,
"FeelsLike": 6
},
{
"Level": "Valley",
"WindDirection": "SW",
"WindSpeed": 15,
"MaxGust": 31,
"Temperature": 11,
"FeelsLike": 8
}
],
"FreezingLevel": "1700m"
},
{
"End": "15:00",
"Start": "12:00",
"SignificantWeather": {
"Code": "7",
"$": "Cloudy"
},
"Precipitation": {
"Probability": "40%"
},
"Height": [
{
"Level": "900m",
"WindDirection": "SW",
"WindSpeed": 32,
"MaxGust": 43,
"Temperature": 6,
"FeelsLike": 0
},
{
"Level": "600m",
"WindDirection": "SW",
"WindSpeed": 24,
"MaxGust": 34,
"Temperature": 8,
"FeelsLike": 3
},
{
"Level": "300m",
"WindDirection": "S",
"WindSpeed": 15,
"MaxGust": 31,
"Temperature": 10,
"FeelsLike": 7
},
{
"Level": "Valley",
"WindDirection": "SW",
"WindSpeed": 15,
"MaxGust": 32,
"Temperature": 11,
"FeelsLike": 8
}
],
"FreezingLevel": "2200m"
},
{
"End": "18:00",
"Start": "15:00",
"SignificantWeather": {
"Code": "15",
"$": "Heavy Rain"
},
"Precipitation": {
"Probability": "90%"
},
"Height": [
{
"Level": "900m",
"WindDirection": "SW",
"WindSpeed": 39,
"MaxGust": 52,
"Temperature": 7,
"FeelsLike": 1
},
{
"Level": "600m",
"WindDirection": "SW",
"WindSpeed": 28,
"MaxGust": 40,
"Temperature": 9,
"FeelsLike": 4
},
{
"Level": "300m",
"WindDirection": "SW",
"WindSpeed": 16,
"MaxGust": 35,
"Temperature": 11,
"FeelsLike": 8
},
{
"Level": "Valley",
"WindDirection": "S",
"WindSpeed": 15,
"MaxGust": 33,
"Temperature": 12,
"FeelsLike": 9
}
],
"FreezingLevel": "2600m"
},
{
"End": "21:00",
"Start": "18:00",
"SignificantWeather": {
"Code": "11",
"$": "Drizzle"
},
"Precipitation": {
"Probability": "90%"
},
"Height": [
{
"Level": "900m",
"WindDirection": "SW",
"WindSpeed": 39,
"MaxGust": 53,
"Temperature": 8,
"FeelsLike": 2
},
{
"Level": "600m",
"WindDirection": "SW",
"WindSpeed": 28,
"MaxGust": 42,
"Temperature": 10,
"FeelsLike": 5
},
{
"Level": "300m",
"WindDirection": "SW",
"WindSpeed": 18,
"MaxGust": 38,
"Temperature": 11,
"FeelsLike": 8
},
{
"Level": "Valley",
"WindDirection": "SW",
"WindSpeed": 17,
"MaxGust": 37,
"Temperature": 12,
"FeelsLike": 9
}
],
"FreezingLevel": "2400m"
},
{
"End": "24:00",
"Start": "21:00",
"SignificantWeather": {
"Code": "11",
"$": "Drizzle"
},
"Precipitation": {
"Probability": "90%"
},
"Height": [
{
"Level": "900m",
"WindDirection": "SW",
"WindSpeed": 40,
"MaxGust": 55,
"Temperature": 8,
"FeelsLike": 2
},
{
"Level": "600m",
"WindDirection": "SW",
"WindSpeed": 29,
"MaxGust": 43,
"Temperature": 9,
"FeelsLike": 5
},
{
"Level": "300m",
"WindDirection": "SW",
"WindSpeed": 18,
"MaxGust": 39,
"Temperature": 11,
"FeelsLike": 8
},
{
"Level": "Valley",
"WindDirection": "SW",
"WindSpeed": 17,
"MaxGust": 38,
"Temperature": 12,
"FeelsLike": 9
}
],
"FreezingLevel": "2300m"
}
]
},
"GroundConditions": {
"Summary": "No adverse ground conditions reported on 20 of Nov\n"
}
},
{
"Validity": "2017-11-22T00:00Z",
"Weather": "Occasional rain overnight turning heavy and persistent by dawn. The rain will remain heavy for most of the day with flooding possible. Severe southwesterly gales, touching storm force over the summits and ridges. Rain and winds may ease around evening time.",
"Wind": "South or Southwest 40-50mph with gusts 70-80mph, becoming West and easing 25mph around evening time.",
"HillCloud": "Almost nil due to extensive cloud above 500 or 600m.",
"Visibility": "Often poor at all levels with extensive cloud and heavy rain.",
"Temperature": {
"Peak": {
"Level": "800m",
"$": "Plus 8 or 9 Celsius."
},
"Valley": {
"Title": "Valley",
"$": "Plus 12 rising to 14 or 15 Celsius during day time."
},
"Freezing": "Well above the summits."
}
},
{
"Validity": "2017-11-23T00:00Z",
"Summary": "Cloudy with spells of rain expected, perhaps heavy at times, with fresh or strong westerly winds. Drier weather with lighter winds possible towards the end of the day."
},
{
"Validity": "2017-11-24T00:00Z",
"Summary": "Turning colder and brighter with scattered showers, wintry above 400m. Freezing level lowering to 500m by evening."
},
{
"Validity": "2017-11-25T00:00Z",
"Summary": "Bright and cold conditions are likely with wintry showers and a fresh northerly breeze. Freezing level around 500m."
}
]
}
}
}
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