TN91 TAF
Terminal aerodrome forecast for Johnson City Medical Center (TN91), Johnson City, TN. This field does not issue a terminal forecast. · Open on the map
All of Johnson City Medical Center — runways, frequencies, charts and live weatherNo TN91 TAF
Only a minority of US airports issue a terminal aerodrome forecast, and Johnson City Medical Center is not one of them. The nearest forecasting stations are:
| Station | Airport | Distance |
|---|---|---|
| KTRI TAF | Tri-Cities | 10 NM on the 354° radial |
| KAVL TAF | Asheville Regional | 53 NM on the 188° radial |
| KHKY TAF | Hickory Regional | 59 NM on the 125° radial |
A TAF from a field this far away describes its own airport, not TN91. Read it as the regional trend and confirm with the nearest observation.
Frequently asked
What is the current TAF for TN91?
Johnson City Medical Center does not issue a terminal aerodrome forecast.
How far ahead does a TAF forecast?
A TAF covers a 24-hour period at most airports and 30 hours at larger ones, issued four times a day at 0000Z, 0600Z, 1200Z and 1800Z. It describes conditions within roughly 5 statute miles of the airport, not the surrounding area.
What do FM, BECMG and TEMPO mean?
FM (from) marks a rapid, permanent change at the stated time. BECMG (becoming) marks a gradual change over the stated window. TEMPO marks conditions expected for less than half the period, in spells of under an hour each. PROB30 and PROB40 give the probability of the conditions that follow.
More about TN91
Forecasts from the US National Weather Service Aviation Weather Center. Times are UTC (Zulu). For planning and education only — always confirm with an official preflight briefing.
Something here wrong or out of date? Report a data problem.