KROC TAF
Terminal aerodrome forecast for Frederick Douglass/Greater Rochester International (ROC · KROC), Rochester, NY. Issued 20 Sep 2026 2320Z, valid 0000Z to 0000Z, decoded period by period below. · Open on the map
All of Frederick Douglass/Greater Rochester International — runways, frequencies, charts and live weatherTAF issued 20 Sep 2026 2320Z
valid 0000Z to 0000ZTAF KROC 202320Z 2100/2124 03005KT P6SM FEW020 BKN200 FM210800 04010KT P6SM BKN020 BKN200 FM211500 05011KT P6SM BKN035 BKN200
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 0800Z | Initial | 030° at 5 kt | 6+ SM | 20,000 ft BKN | Few at 2,000 ft AGL, Broken at 20,000 ft AGL | VFR |
| 0800Z to 1500Z | FM | 040° at 10 kt | 6+ SM | 2,000 ft BKN | Broken at 2,000 ft AGL, Broken at 20,000 ft AGL | MVFR |
| 1500Z to 0000Z | FM | 050° at 11 kt | 6+ SM | 3,500 ft BKN | Broken at 3,500 ft AGL, Broken at 20,000 ft AGL | VFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
What the categories mean
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
- MVFR
- Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
Frequently asked
What is the current TAF for KROC?
The forecast issued 20 Sep 2026 2320Z for Frederick Douglass/Greater Rochester International reads: TAF KROC 202320Z 2100/2124 03005KT P6SM FEW020 BKN200 FM210800 04010KT P6SM BKN020 BKN200 FM211500 05011KT P6SM BKN035 BKN200
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 KROC
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Something here wrong or out of date?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.