89 lines
2.4 KiB
JavaScript
89 lines
2.4 KiB
JavaScript
const severeWarningEvents = ["Severe Thunderstorm Warning","Destructive Severe Thunderstorm Warning","Considerable Destructive Severe Thunderstorm Warning"]
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const tornadoWarningEvents = ["Tornado Warning","Radar Indicated Tornado Warning","Confirmed Tornado Warning","Tornado Emergency"]
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let alerts = msg.payload.features
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let tornado_possible = false
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let considerable_destructive = false
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let confirmed = false
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// Filter for Severe Thunderstorm Warnings
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let ts = alerts.filter(function(alert) {
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if (alert.properties &&
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severeWarningEvents.includes(alert.properties.event)) {
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return true
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}
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})
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// Filter for Severe Thunderstorm Warnings with tornado detection
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// that have a tornado possible parameter
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let tstp = alerts.filter(function(alert) {
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if (alert.properties &&
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severeWarningEvents.includes(alert.properties.event) &&
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alert.properties.parameters &&
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alert.properties.parameters.tornadoDetection &&
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alert.properties.parameters.tornadoDetection.length > 0) {
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let tornadoPossible = alert.properties.parameters.tornadoDetection[0]
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return tornadoPossible === "POSSIBLE"
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}
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})
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if (tstp.length > 0) {
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tornado_possible = true
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}
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// Filter for considerable destructive severe thunderstorm warnings
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let cdst = alerts.filter(function(alert) {
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if (alert.properties &&
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alert.properties.event === "Considerable Destructive Severe Thunderstorm Warning") {
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return true
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}
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})
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if (cdst.length > 0) {
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considerable_destructive = true
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}
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// Filter for Tornado Warnings
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let tornado = alerts.filter(function(alert) {
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if (alert.properties &&
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tornadoWarningEvents.includes(alert.properties.event)) {
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return true
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}
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})
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let confirmed_tornado = alerts.filter(function(alert) {
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if (alert.properties &&
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alert.properties.event === "Confirmed Tornado Warning") {
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return true
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}
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})
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if (confirmed_tornado.length > 0) {
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confirmed = true
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}
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// If there are any alerts, return them
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let tstormMsg = {
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"payload": {
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"alerts": ts,
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"count": ts.length,
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"tornado_possible": tornado_possible,
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"considerable_destructive": considerable_destructive
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}
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}
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let tornadoWarnMsg = {
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"payload": {
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"alerts": tornado,
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"count": tornado.length,
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"confirmed": confirmed
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}
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}
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node.send([tstormMsg,tornadoWarnMsg])
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node.status({fill:'green',shape:'dot',text:'Alerts Updated'}) |