国家気象局AI分析
上級
これはPersonal Productivity, AI Summarization分野の自動化ワークフローで、20個のノードを含みます。主にSet, Code, Merge, Filter, Webhookなどのノードを使用。 NWSアラート、レーダー画像、Home Assistantに基づくAI生成天気分析
前提条件
- •HTTP Webhookエンドポイント（n8nが自動生成）
- •ターゲットAPIの認証情報が必要な場合あり
- •OpenAI API Key
使用ノード (20)
ワークフロープレビュー
ノード接続関係を可視化、ズームとパンをサポート
ワークフローをエクスポート
以下のJSON設定をn8nにインポートして、このワークフローを使用できます
{
"id": "kJfDku2rYe5QZdCO",
"meta": {
"instanceId": "99d73f46ce25facbb6a315b9049061902fa3a045876ce7aa2b16534051157fdd",
"templateCredsSetupCompleted": true
},
"name": "National Weather Service AI Analysis",
"tags": [],
"nodes": [
{
"id": "a72e2042-fd53-46b4-b366-c522ef3044ab",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"position": [
-32,
16
],
"webhookId": "b74e13cd-ad2f-4ef1-8350-ff6b915e5485",
"parameters": {
"path": "b74e13cd-ad2f-4ef1-8350-ff6b915e5485",
"options": {},
"httpMethod": "POST",
"responseData": "allEntries",
"responseMode": "lastNode"
},
"typeVersion": 2
},
{
"id": "31d8e7b5-c47a-42af-abb0-02f9c2482201",
"name": "NWSアラート取得",
"type": "n8n-nodes-base.httpRequest",
"position": [
192,
16
],
"parameters": {
"url": "https://api.weather.gov/alerts",
"options": {
"response": {
"response": {
"fullResponse": true,
"responseFormat": "json"
}
}
},
"sendQuery": true,
"queryParameters": {
"parameters": [
{
"name": "status",
"value": "actual"
},
{
"name": "point",
"value": "={{ $json.body.latitude }},{{ $json.body.longitude }}"
}
]
}
},
"typeVersion": 4.2,
"alwaysOutputData": false
},
{
"id": "b1938edb-79be-4399-a815-dc90ffd1f240",
"name": "分割",
"type": "n8n-nodes-base.splitOut",
"position": [
384,
16
],
"parameters": {
"options": {},
"fieldToSplitOut": "body.features"
},
"typeVersion": 1
},
{
"id": "bc5b7d6c-e2ad-43ab-aad1-d947799243e5",
"name": "無関係フィールド削除",
"type": "n8n-nodes-base.set",
"position": [
576,
16
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "c1e43be8-8b6c-4eb6-a344-251473f78dbf",
"name": "id",
"type": "string",
"value": "={{ $json.id }}"
},
{
"id": "26551b00-b7a6-43e6-85d2-23921e5b9c75",
"name": "properties.areaDesc",
"type": "string",
"value": "={{ $json.properties.areaDesc }}"
},
{
"id": "d4a19262-2c9e-4b45-bb79-9aa97da77e69",
"name": "properties.effective",
"type": "string",
"value": "={{ $json.properties.effective }}"
},
{
"id": "40fdf9b8-e594-405c-88cc-6e8a80fcfa60",
"name": "properties.expires",
"type": "string",
"value": "={{ $json.properties.expires }}"
},
{
"id": "715541f6-bcdf-4152-9427-dba110a4ee9e",
"name": "properties.severity",
"type": "string",
"value": "={{ $json.properties.severity }}"
},
{
"id": "b4851577-2d71-4ab6-bd8c-e6bf3db412f1",
"name": "properties.certainty",
"type": "string",
"value": "={{ $json.properties.certainty }}"
},
{
"id": "43aba50b-4e09-4e26-8ded-328c1ead3469",
"name": "properties.status",
"type": "string",
"value": "={{ $json.properties.status }}"
},
{
"id": "aab46fc5-e6c3-45c6-b12f-da4d11d82b25",
"name": "properties.headline",
"type": "string",
"value": "={{ $json.properties.headline }}"
},
{
"id": "ab826652-b359-4047-a1fa-4da9797a54d2",
"name": "properties.description",
"type": "string",
"value": "={{ $json.properties.description }}"
},
{
"id": "e0ffea55-c055-44d2-952f-5785e7c7d3c2",
"name": "properties.instruction",
"type": "string",
"value": "={{ $json.properties.instruction }}"
},
{
"id": "205b4373-515c-40d9-8d02-e2a5e3ddc7f4",
"name": "properties.parameters.NWSheadline",
"type": "array",
"value": "={{ $json.properties.parameters.NWSheadline }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "e0ce90cb-a447-4b5c-a3e7-6ea2ccfa4efe",
"name": "深刻度でフィルター",
"type": "n8n-nodes-base.filter",
"position": [
960,
16
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "or",
"conditions": [
{
"id": "7dde0a87-93ff-482b-9c53-d13a191f982b",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.properties.severity }}",
"rightValue": "Moderate"
},
{
"id": "28ed779f-d676-4619-bff4-12877b696415",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.properties.severity }}",
"rightValue": "Severe"
},
{
"id": "a28503c7-f468-4cbf-800e-edfa05d405ce",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.properties.severity }}",
"rightValue": "Extreme"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "e5272333-90a2-4bfa-969f-0cd6e2d50ad8",
"name": "発効期間でフィルター",
"type": "n8n-nodes-base.filter",
"position": [
1152,
16
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"id": "f99f25cf-d59b-4739-be7f-269ecb07f76f",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ new Date($json.properties.effective).getTime() <= new Date().getTime() }}",
"rightValue": "true"
}
]
},
"looseTypeValidation": true
},
"typeVersion": 2.2
},
{
"id": "4b05f80a-b851-4286-9618-86dd11600faa",
"name": "ステータスでフィルター",
"type": "n8n-nodes-base.filter",
"position": [
768,
16
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "2b51bbc7-927f-40a5-b43b-d12e23b6ea5c",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.properties.status }}",
"rightValue": "Actual"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "fe639674-9bfe-4344-b4dc-3141f90cbf9f",
"name": "Weather.govレーダーループ取得",
"type": "n8n-nodes-base.httpRequest",
"position": [
576,
608
],
"parameters": {
"url": "https://radar.weather.gov/ridge/standard/KAMX_loop.gif",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "7a966d42-eae1-4aaf-ad35-2dff15b62e68",
"name": "期限切れでフィルター",
"type": "n8n-nodes-base.filter",
"position": [
1344,
16
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"id": "f99f25cf-d59b-4739-be7f-269ecb07f76f",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ new Date($json.properties.expires).getTime() >= new Date().getTime() }}",
"rightValue": "true"
}
]
},
"looseTypeValidation": true
},
"typeVersion": 2.2
},
{
"id": "a071bf45-dd82-41d0-9130-3c8ef6891ded",
"name": "レーダー画像分析",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
960,
496
],
"parameters": {
"text": "=This is the latest weather radar animation for the monitored area. The AI should analyze precipitation patterns, storm intensity, and movement.\n\nA local weather sensor reports precipitation type: {{ $json.state }}. This sensor takes precedence over radar-based assumptions when determining real-time weather conditions.\n\nDark greens, yellows, and reds indicate stronger precipitation. If storms are present, assess their movement and potential impact on the area. When describing weather, use cautious language like \"it is likely raining\" rather than making definitive statements unless radar data is conclusive.\n\nConsider storm progression over time and estimate when precipitation may begin or end based on timestamps in the radar animation.\n\nProvide a clear, concise summary of current conditions based on the radar and local weather sensor input.",
"modelId": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini",
"cachedResultName": "GPT-4O-MINI"
},
"options": {},
"resource": "image",
"inputType": "base64",
"operation": "analyze"
},
"credentials": {
"openAiApi": {
"id": "bDmccS2kILl6lfr2",
"name": "OpenAi account"
}
},
"typeVersion": 1.8
},
{
"id": "ac0ae58a-1c40-421d-ad53-9f2e560319df",
"name": "JSONレスポンスマッピング",
"type": "n8n-nodes-base.set",
"position": [
1152,
496
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "ad4a9a05-20b8-4eda-a477-344d385b4a1e",
"name": "radar_summary",
"type": "string",
"value": "={{ $json.content }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "4bea6742-c424-4250-9d1d-74b4cd46cff4",
"name": "地域天気降水データ取得",
"type": "n8n-nodes-base.homeAssistant",
"position": [
576,
416
],
"parameters": {
"entityId": "sensor.local_weather_precipitation_type",
"resource": "state"
},
"credentials": {
"homeAssistantApi": {
"id": "nhKk0HXRsf8saByq",
"name": "Home Assistant account"
}
},
"typeVersion": 1
},
{
"id": "a7d3e335-a2ae-459d-829f-f0047f7c1cbb",
"name": "JSONと画像統合",
"type": "n8n-nodes-base.merge",
"position": [
768,
496
],
"parameters": {
"mode": "combine",
"options": {},
"combineBy": "combineByPosition"
},
"typeVersion": 3.2
},
{
"id": "72fe8625-4631-4912-9db7-7ca721638431",
"name": "レーダー分析とNWSデータ統合",
"type": "n8n-nodes-base.merge",
"position": [
1344,
272
],
"parameters": {
"mode": "combine",
"options": {},
"combineBy": "combineByPosition"
},
"typeVersion": 3.2
},
{
"id": "dd7f1b53-dba0-4532-98e3-bfcc9c0a8681",
"name": "OpenAIチャットモデル",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
1536,
464
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4.1-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"id": "bDmccS2kILl6lfr2",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "90f46158-41ed-4811-baa6-efac8beff957",
"name": "コード",
"type": "n8n-nodes-base.code",
"position": [
384,
256
],
"parameters": {
"jsCode": "let idx = 0\nlet alerts = []\n\nfor (const item of $input.all()) {\n for (const alert of item.json.alerts) {\n idx++\n\n let template = `Alert ${idx}:\n **Headline:** ${alert.properties.headline}\n **Severity:** ${alert.properties.severity}\n **Description:** ${alert.properties.description}\n **Instructions:** ${alert.properties.instruction}\n`\n\n alerts.push(template)\n }\n\n item.json = { nws_alerts: alerts.join('\\n\\n'), nws_alerts_count: alerts.length }\n}\n\nreturn $input.all();"
},
"typeVersion": 2
},
{
"id": "bceccd50-f2f3-4ff4-b378-6030c8b680cd",
"name": "集計",
"type": "n8n-nodes-base.aggregate",
"position": [
192,
256
],
"parameters": {
"options": {},
"aggregate": "aggregateAllItemData",
"destinationFieldName": "alerts"
},
"typeVersion": 1
},
{
"id": "642995c2-a4f4-43a4-bc58-ed2faebe1426",
"name": "要約生成",
"type": "@n8n/n8n-nodes-langchain.chainSummarization",
"position": [
1536,
272
],
"parameters": {
"options": {
"summarizationMethodAndPrompts": {
"values": {
"prompt": "=It is critically important to limit your response to 255 characters or less, including spaces.\n\nAI Weather Assistant Alert: A new weather alert has been issued for this location. Summarize the alert details concisely. Include only essential information, such as severe conditions, timing, and affected areas.\n\nThe number of active weather alerts is: {{ $json.nws_alerts_count }}.\n\n# Reviewing all Moderate and Severe alerts:\n\n{{ $json.nws_alerts }}\n\n# Radar Analysis:\n\n{{ $json.radar_summary }}\n",
"summarizationMethod": "stuff"
}
}
},
"operationMode": "nodeInputBinary"
},
"typeVersion": 2.1
},
{
"id": "73e4af91-061d-44a7-a3aa-f8efad62e8c9",
"name": "JSONをレスポンスにマッピング",
"type": "n8n-nodes-base.set",
"position": [
1920,
272
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e290b262-1443-43ce-8761-1131cbc2cce2",
"name": "summary",
"type": "string",
"value": "={{ $json.output.text }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "25f096aa-457e-4e9e-8394-e0054dc7ed55",
"name": "付箋",
"type": "n8n-nodes-base.stickyNote",
"position": [
-640,
-32
],
"parameters": {
"width": 544,
"height": 832,
"content": "# Overview\n\nThis n8n template demonstrates how you can generate an AI-produced weather analysis of your local radar loop and home assistant precipitation sensor(s) to keep your family informed of National Weather Service Alerts.\n\nWith as crazy as things have been lately in the open world, how will you and your family know when a severe or extreme alert impacts your area?\n\n## How it Works\n\n- This workflow is triggered by a webhook with takes a latitude and longitude json payload to identify the area for monitoring.\n- Then, it fetches the National Weather Service Alerts and filters them down to alerts which are currently active and their severity.\n- Next, it fetches the local precipitation value from your Home Assistant instance (a value like \"Light Rain\" or \"No Rain\", etc) coupled with your respective weather.gov radar loop image.\n- It then submits this data to OpenAI and produces an output regarding the image analysis.\n- Finally, it takes this analysis and uses OpenAI to again generate a short summary.\n\n## How to Use\n\n- Import the workflow into your n8n instance\n- Update the credentials in the problematic nodes\n- Make sure you adjust the radar loop image that is being used\n\n## Requirements\n\n- A Home Assistant Instance (you could remove this data if you wanted)\n- An OpenAI account for LLM and image analysis\n"
},
"typeVersion": 1
}
],
"active": true,
"pinData": {
"Webhook": [
{
"json": {
"body": {
"latitude": 0,
"longitude": 0
}
}
}
]
},
"settings": {
"executionOrder": "v1"
},
"versionId": "77f65303-990f-4463-bc6a-0949b7cb9cf6",
"connections": {
"90f46158-41ed-4811-baa6-efac8beff957": {
"main": [
[
{
"node": "4bea6742-c424-4250-9d1d-74b4cd46cff4",
"type": "main",
"index": 0
},
{
"node": "fe639674-9bfe-4344-b4dc-3141f90cbf9f",
"type": "main",
"index": 0
},
{
"node": "72fe8625-4631-4912-9db7-7ca721638431",
"type": "main",
"index": 0
}
]
]
},
"a72e2042-fd53-46b4-b366-c522ef3044ab": {
"main": [
[
{
"node": "31d8e7b5-c47a-42af-abb0-02f9c2482201",
"type": "main",
"index": 0
}
]
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},
"bceccd50-f2f3-4ff4-b378-6030c8b680cd": {
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{
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"type": "main",
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},
"31d8e7b5-c47a-42af-abb0-02f9c2482201": {
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},
"4b05f80a-b851-4286-9618-86dd11600faa": {
"main": [
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{
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{
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{
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"type": "main",
"index": 0
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}
}
}よくある質問
このワークフローの使い方は？
上記のJSON設定コードをコピーし、n8nインスタンスで新しいワークフローを作成して「JSONからインポート」を選択、設定を貼り付けて認証情報を必要に応じて変更してください。
このワークフローはどんな場面に適していますか？
上級 - 個人の生産性, AI要約
有料ですか？
このワークフローは完全無料です。ただし、ワークフローで使用するサードパーティサービス（OpenAI APIなど）は別途料金が発生する場合があります。
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