Weather Prediction Center (2024)

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WPC National Forecast Chart

  • Mon Jul 08, 2024
  • Tue Jul 09, 2024
  • Wed Jul 10, 2024

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' }), win_url: pointst[i][3] }); marker1[i].addTo(map); };// Read and draw departures ########################################################// load GeoJSON from an external fileday = num + 1;dir = "mapdata/";$(document).ready(function() { $.ajaxSetup({ cache: false });});$.getJSON(dir + "hotareas" + day + ".json", function(data) {var hot = L.geoJson( data, { filter: function (feature) { console.log(feature.properties.Area); return feature.properties.Area >= 100000.00 }, onEachFeature: function (feature, layer) { centroid = feature.properties.Centroid; length_check = feature.geometry.coordinates; L.marker(centroid, {icon: HotDayIcon, zIndexOffset: 100}).bindPopup(feature.properties.popupContent).addTo(hotLayer); },});if (length_check != "") { console.log("hotLayer marked"); map.addLayer(hotLayer);}else {console.log("hotLayer blank");}});$.getJSON(dir + "coldareas" + day + ".json", function(data) {var cold = L.geoJson( data, { filter: function (feature) { console.log(feature.properties.Area); return feature.properties.Area >= 100000.00 }, onEachFeature: function (feature, layer) { centroid = feature.properties.Centroid; length_check = feature.geometry.coordinates; L.marker(centroid, {icon: ColdDayIcon, zIndexOffset: 100}).bindPopup(feature.properties.popupContent).addTo(coldLayer); },});if (length_check != "") { console.log("coldLayer marked"); map.addLayer(coldLayer);}else {console.log("coldLayer blank");}});// Draw tstorm layer ################################################################//directory = "testdata/";$.getJSON(dir + "trwD" + day + ".json", function(data) {var trw = L.geoJson(data, { style: function (feature) { style = { weight: 1, opacity: 1, color: 'darkgreen', fillOpacity: fillOpacity1, fillPattern: circle_pattern, } return feature.properties && style; }, onEachFeature: function (feature, layer) { length_check = feature.geometry.coordinates; layer.bindPopup(feature.properties.popupContent); console.log("Rain/Thunderstorms Layer ON"); }, smoothFactor: smooth });if (length_check != ""){ console.log("Rain/Thunderstorms has points!"); trw.addTo(trwLayer); map.addLayer(trwLayer);}});// Draw QPF layer #######################################################$.getJSON(dir + "qpfD" + day + ".json", function(data) {var qpf = L.geoJson(data, { style: function (feature) { style = { weight: 1, opacity: 1, color: 'green', fillOpacity: 0.2, fillColor:' green', } return feature.properties && style; }, onEachFeature: function (feature, layer) { length_check = feature.geometry.coordinates; layer.bindPopup(feature.properties.popupContent);; console.log("Rain Layer ON"); }, smoothFactor: smooth });if (length_check != ""){ console.log("Rain Layer has points!"); qpf.addTo(QPFlayer); map.addLayer(QPFlayer);}});// Draw rain/snow layer ####################################################$.getJSON(dir + "rsnD" + day + ".json", function(data) {var rs = L.geoJson(data, { style: function (feature) { style = { weight: 1, opacity: 1, color: 'blue', fillOpacity: 0.2, } return feature.properties && style; }, onEachFeature: function (feature, layer) { length_check = feature.geometry.coordinates; layer.bindPopup(feature.properties.popupContent); console.log("Mixed Precip Layer ON"); }, smoothFactor: smooth });if (length_check != ""){ console.log("Mixed Precip Layer has points!"); rs.addTo(rsLayer); map.addLayer(rsLayer);}});// Draw snow layer ##############################################################$.getJSON(dir + "snoD" + day + ".json", function(data) {var sn = L.geoJson(data, { style: function (feature) { style = { weight: 1, opacity: 1, color: 'black', fillOpacity: fillOpacity1, fillColor:'white', } return feature.properties && style; }, onEachFeature: function (feature, layer) { length_check = feature.geometry.coordinates; layer.bindPopup(feature.properties.popupContent); console.log("Snow Layer On"); }, smoothFactor: smooth });if (length_check != ""){ sn.addTo(snLayer); console.log("Snow Layer has points!"); map.addLayer(snLayer);}});// Draw flood layer ###################################################################//$.getJSON(dir + "eroD" + day + ".json", function(data) {$.getJSON(dir + "ERODay" + day + ".geojson", function(data) {var ero = L.geoJson(data, { style: function (feature) { style = { weight: 1, opacity: 1, color: 'red', fillOpacity: 1, fillPattern: flood_stripes, } return feature.properties && style; }, onEachFeature: function (feature, layer) { length_check = feature.geometry.coordinates; layer.bindPopup(feature.properties.PRODUCT + "" + feature.properties.VALID_TIME + "" + feature.properties.OUTLOOK); console.log("Flash Flood Layer is ON"); } });if (length_check != ""){ console.log("Flash Flood Layer has points!"); ero.addTo(Floodlayer); map.addLayer(Floodlayer); types.push("Heavy Rain/Flash Flooding Possible");}});// Draw fire layer ###################################################################//$.getJSON(dir + "fwxD" + day + ".json", function(data) {$.getJSON(dir + "FWXDay" + day + ".geojson", function(data) {var fwx = L.geoJson(data, { style: function (feature) { style = { weight: 1, opacity: 1, color: 'black', fillOpacity: 1, fillPattern: fwx_stripes, } return feature.properties && style; }, onEachFeature: function (feature, layer) { length_check = feature.geometry.coordinates; layer.bindPopup("

Critical Fire Weather Risk Area. For latest information, refer to the
Storm Prediction Center."); }});if (length_check != ""){ fwx.addTo(Firelayer); map.addLayer(Firelayer); types.push("Critical Fire Weather Possible");}});// Draw winter layer ###################################################################$.getJSON(dir + "wwD" + day + ".json", function(data) {var winter = L.geoJson(data, { style: function (feature) { style = { weight: 1, opacity: 1, color: 'black', fillOpacity: 1, fillPattern: hs_stripes, } return feature.properties && style; }, onEachFeature: function (feature, layer) { console.log("Heavy Snow Layer is ON"); length_check = feature.geometry.coordinates; layer.bindPopup(feature.properties.popupContent); } });if (length_check != ""){ console.log("Heavy Snow Layer has points!"); winter.addTo(HsnowLayer); map.addLayer(HsnowLayer); types.push("Heavy Snow Possible");}});// Draw freezing rain layer ###################################################################$.getJSON(dir + "zrD" + day + ".json", function(data) {var zr = L.geoJson(data, { style: function (feature) { style = { weight: 1, opacity: 1, color: '#DF65B0', fillOpacity: 1, fillPattern: zr_stripes, } return feature.properties && style; }, onEachFeature: function (feature, layer) { console.log("Freezing Rain Layer is ON"); length_check = feature.geometry.coordinates; layer.bindPopup(feature.properties.popupContent); } });if (length_check != ""){ console.log("Freezing Rain Layer has points!"); zr.addTo(Icelayer); map.addLayer(Icelayer); types.push("Freezing Rain Possible");}});// Draw severe layer ##################################################################//$.getJSON(dir + "svrD" + day + ".json", function(data) {$.getJSON(dir + "SWODay" + day + ".geojson", function(data) {var svr = L.geoJson(data, { style: function (feature) { style = { weight: 1, opacity: 1, color: 'yellow', fillOpacity: 1, fillPattern: svr_stripes, } return feature.properties && style; }, onEachFeature: function (feature, layer) { length_check = feature.geometry.coordinates; layer.bindPopup("
Slight Risk area for severe storms. For latest information, refer to the
Storm Prediction Center."); console.log("Severe Thunderstorms Layer is ON"); } });if (length_check != ""){ console.log("Severe Thunderstorm Layer has points!"); svr.addTo(SPClayer); map.addLayer(SPClayer); types.push("Severe Thunderstorms Possible");}});// Update date controlinfo.update(num);exInfo.update(num);// Get data from tropical points ###################################################################$(document).ready(function () { // Get Tropical information from generated json file $.getJSON(dir + "tropical" + day + ".json", function(data) { console.log(data); data.features.forEach(function (feature) { var name = feature.properties.name; var lat = feature.properties.lat; var lon = feature.properties.lon; var micon = feature.properties.Icon;console.log(name);console.log(micon);var tropicon = new WxIcon({iconUrl: micon,iconSize:[45,45]});L.marker([lat,lon],{icon:tropicon}).addTo(trop_markers).bindPopup("
For latest advisory please refer to the
National Hurricane Center."); trop_markers.addTo(map); L.marker([lat,lon], {icon: createIcon(name)}).addTo(LabelLayer); LabelLayer.addTo(map); }); });});//##########################################################################################################################// add fronts/ highs/ lows to mapmap.addLayer(Frontlayer);}function getCurvePoints(pts, tension, isClosed, numOfSegments) { var points = []; for (i=0; i < pts.length; i++) { points.push([pts[i][0]]); points.push([pts[i][1]]) } pts = points; // use input value if provided, or use a default value tension = (typeof tension != 'undefined') ? tension : 0.5; isClosed = isClosed ? isClosed : false; numOfSegments = numOfSegments ? numOfSegments : 16; var _pts = [], res = [], // clone array x, y, // our x,y coords t1x, t2x, t1y, t2y, // tension vectors c1, c2, c3, c4, // cardinal points st, t, i; // steps based on num. of segments // clone array so we don't change the original _pts = pts.slice(0); // The algorithm require a previous and next point to the actual point array. // Check if we will draw closed or open curve. // If closed, copy end points to beginning and first points to end // If open, duplicate first points to beginning, end points to end if (isClosed) { _pts.unshift(pts[pts.length - 1]); _pts.unshift(pts[pts.length - 2]); _pts.unshift(pts[pts.length - 1]); _pts.unshift(pts[pts.length - 2]); _pts.push(pts[0]); _pts.push(pts[1]); } else { _pts.unshift(pts[1]); //copy 1. point and insert at beginning _pts.unshift(pts[0]); _pts.push(pts[pts.length - 2]); //copy last point and append _pts.push(pts[pts.length - 1]); } // ok, lets start.. // 1. loop goes through point array // 2. loop goes through each segment between the 2 pts + 1e point before and after for (i=2; i < (_pts.length - 4); i+=2) { for (t=0; t <= numOfSegments; t++) { // calc tension vectors t1x = (_pts[i+2] - _pts[i-2]) * tension; t2x = (_pts[i+4] - _pts[i]) * tension; t1y = (_pts[i+3] - _pts[i-1]) * tension; t2y = (_pts[i+5] - _pts[i+1]) * tension; // calc step st = t / numOfSegments; // calc cardinals c1 = 2 * Math.pow(st, 3) - 3 * Math.pow(st, 2) + 1; c2 = -(2 * Math.pow(st, 3)) + 3 * Math.pow(st, 2); c3 = Math.pow(st, 3) - 2 * Math.pow(st, 2) + st; c4 = Math.pow(st, 3) - Math.pow(st, 2); // calc x and y cords with common control vectors x = c1 * _pts[i] + c2 * _pts[i+2] + c3 * t1x + c4 * t2x; y = c1 * _pts[i+1] + c2 * _pts[i+3] + c3 * t1y + c4 * t2y; //store points in array res.push([x, y]); } } return res;}
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