🌊 7-Day Baltic Sea Marine Forecast

Gdańsk (PL) ↔ Stockholm (SE) Route

\n `;\n\n // Alert Section\n if (alertTriggered) {\n html += `\n

⚠️ STORM ALERT TRIGGERED!

The Beaufort Scale forecast exceeds 10 on the following days:

${day}

Check official marine warnings before sailing!

\n `;\n }\n\n // Forecast Table\n html += `\n \n \n \n \n \n \n \n `;\n\n data.forEach((day: any) => {\n const isDangerous = day.beaufortScale > 10;\n const rowColor = isDangerous ? \"background-color: #fff0f0;\" : \"\";\n\n html += `\n \n \n \n \n \n \n `;\n });\n\n html += `

Date	Beaufort (B)	Wind (knots)	Summary
${day.date}	B${day.beaufortScale}	${day.windSpeedKnots}	${day.summary}

`;\n\n // Beaufort Scale Reference Table (for educational value)\n html += `\n

Beaufort Scale Reference

\n \n \n \n \n \n \n \n \n \n \n

B	Knots	Condition
0-6	0-27	Calm to Strong Breeze
7	28-33	Near Gale
8-10	34-55	Gale to Storm
11+	56+	Violent Storm to Hurricane

\n `;\n return html;\n }\n // ---------------------------------------------\n\n // 5. Analyze the Forecast Data\n let alertTriggered = false;\n let dangerousDays: string[] = [];\n let emailTextBody = \"\";\n\n // Build the text/markdown email body and check the condition\n if (Array.isArray(forecastData)) {\n emailTextBody +=\n \"## 7-Day Baltic Sea Marine Forecast (Gdańsk-Stockholm Route)\\n\\n\";\n emailTextBody += \"| Date | Beaufort | Wind (knots) | Summary |\\n\";\n emailTextBody += \"| :--- | :--- | :--- | :--- |\\n\";\n\n forecastData.forEach((day: any) => {\n // Beaufort 11 is Violent Storm, 12 is Hurricane.\n if (day.beaufortScale > 10) {\n alertTriggered = true;\n dangerousDays.push(`${day.date} (Beaufort ${day.beaufortScale})`);\n emailTextBody +=\n `| **${day.date}** | **B${day.beaufortScale}** | **${day.windSpeedKnots}** | **🚨 ${day.summary}** |\\n`;\n } else {\n emailTextBody +=\n `| ${day.date} | B${day.beaufortScale} | ${day.windSpeedKnots} | ${day.summary} |\\n`;\n }\n });\n } else {\n console.error(\n \"Parsed data was not an array:\",\n JSON.stringify(forecastData),\n );\n return;\n }\n\n // 6. Conditional Email Action\n if (alertTriggered) {\n const alertMessage =\n `**⚠️ STORM ALERT TRIGGERED! ⚠️**\\n\\nThe Beaufort Scale forecast exceeds 10 on the following days:\\n- ${\n dangerousDays.join(\"\\n- \")\n }\\n\\nCheck official marine warnings before sailing!\\n\\n---\\n`;\n\n console.warn(\"DANGER ALERT: Beaufort > 10 detected. Sending email.\");\n\n // Generate the full email bodies\n const finalEmailText = `${alertMessage}\\n\\n${emailTextBody}`;\n const finalEmailHtml = generateHtmlEmail(\n forecastData,\n alertTriggered,\n dangerousDays,\n );\n\n await email({\n subject: `🔴 MARINE STORM WARNING: Baltic Sea (Beaufort > 10)`,\n text: finalEmailText,\n html: finalEmailHtml,\n });\n } else {\n console.log(\n \"Forecast clear. Maximum Beaufort force was 10 or less. No email alert sent.\",\n );\n\n // Send a standard forecast email if desired, otherwise just log (as per original logic).\n // The original logic only logged the forecast if no alert was triggered.\n // If you want to send a daily 'all clear' email, you'd add:\n /*\n const finalEmailHtml = generateHtmlEmail(forecastData, alertTriggered, dangerousDays);\n await email({\n subject: `🔵 Marine Forecast: Baltic Sea (All Clear)`,\n text: emailTextBody,\n html: finalEmailHtml,\n });\n */\n console.log(marked.parse(emailTextBody));\n }\n};\n\nexport default weatherAlert;","deleted","label",[98],"permalink","https://www.val.town/x/piotrjander/weather-alert/code/main.ts","extension","actionData","errors"]