{"uid":"cap_ncdvbBIKPBFnICCaHNpkI","slug":"aviation-weather-fog-risk-assessment-273fbf6a","name":"Aviation Weather Fog Risk Assessment","description":"Fog and low-visibility risk at an airport from the temperature-dew point spread, wind and visibility.","url":"https://aviation-weather.x402tookit.com/fog-risk?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["icao"],"properties":{"icao":{"type":"string","description":"4-letter ICAO airport code"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"icao":{"type":["null","string"]},"tempC":{"type":["null","number"]},"source":{"type":["null","string"]},"windKt":{"type":["null","number"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"spreadC":{"type":["null","number"]},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"weather":{},"degraded":{"type":["boolean","null"]},"observed":{"type":["null","string"]},"dewpointC":{"type":["null","number"]},"sourceUrl":{"type":["null","string"]},"ageMinutes":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"thresholds":{"type":["null","object"],"properties":{"calmWindKt":{"type":["null","number"]},"likelySpreadC":{"type":["null","number"]},"possibleSpreadC":{"type":["null","number"]}}},"visibilityMi":{"type":["null","number"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__OhGEhbrtewvmdOYGHff2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates fog and low-visibility risk at an airport using temperature-dew point spread, wind speed, and current visibility.","exampleAgentPrompt":"What's the fog and low-visibility risk at KSFO right now — check the temperature-dew point spread and wind to tell me if fog is likely, possible, or unlikely.","exampleUseCases":[{"title":"Pre-dawn departure fog check","prompt":"Before my 6am departure from KORD, can you check the current fog risk there — I want to know if the dew point spread and winds suggest low visibility is likely this morning."},{"title":"Dispatch go/no-go visibility decision","prompt":"I'm dispatching a flight out of KBOS — what's the fog risk assessment right now? Give me the spread, wind, and a verdict on whether low-visibility conditions are likely."},{"title":"Monitoring multiple hub airports for fog","prompt":"Check the fog risk at KLAX for me — is the temperature-dew point spread tight enough to worry about, and what's the current visibility and wind situation?"}],"resultDescription":"Returns a structured fog-risk verdict (likely/possible/unlikely or similar), the temperature in Celsius, dew point in Celsius, temperature-dew point spread, wind speed in knots, visibility in miles, a human-readable summary, a list of reasons contributing to the risk, thresholds used for the assessment, observation time, data source URL, data age in minutes, and optional disclaimer or degraded-mode flags.","failureModes":["Invalid or unrecognized ICAO code returns an error or null fields","Airport has no live METAR data — response may include degraded flag and null sensor values","Stale observation data — ageMinutes may be high and disclaimer included","Network timeout or upstream weather data source unavailable","Missing required icao query parameter returns a validation error"],"whenToPreferThis":"Use this endpoint when you specifically need a fog or low-visibility risk assessment derived from the temperature-dew point spread at a single airport. It is more targeted than a full METAR decode or forecast — choose it when the question is specifically about fog or IFR visibility risk, not general flight category or wind conditions. Ideal for pre-flight briefings focused on ground fog, radiation fog, or low-ceiling visibility hazards.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:14:28.248Z","isFirstParty":false,"canonicalSlug":"aviation-weather-fog-risk-assessment-273fbf6a"}