KROC TAF
Terminal aerodrome forecast for Frederick Douglass Greater Rochester International Airport (ROC · KROC), Rochester, NY. Issued 6 Aug 2026 2320Z, valid 0000Z to 0000Z, decoded period by period below.
All of Frederick Douglass Greater Rochester International Airport — runways, frequencies, charts and live weatherTAF issued 6 Aug 2026 2320Z
valid 0000Z to 0000ZTAF KROC 062320Z 0700/0724 VRB05KT P6SM SCT090 SCT200 TEMPO 0712/0716 -SHRA BKN050 OVC090 FM071600 23008KT P6SM SCT050 BKN090 BKN200 TEMPO 0716/0720 24020G30KT 3SM -TSRA SCT008 OVC025CB FM072000 03006KT P6SM FEW050 BKN090 BKN200 TEMPO 0720/0724 -SHRA BKN050 OVC090
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 1600Z | Initial | Variable at 5 kt | 6+ SM | Clear | Scattered at 9,000 ft AGL, Scattered at 20,000 ft AGL | VFR |
| 1200Z to 1600Z | TEMPO | Calm | n/a | 5,000 ft BKN | Broken at 5,000 ft AGL, Overcast at 9,000 ft AGL | VFR |
| 1600Z to 2000Z | FM | 230° at 8 kt | 6+ SM | 9,000 ft BKN | Scattered at 5,000 ft AGL, Broken at 9,000 ft AGL, Broken at 20,000 ft AGL | VFR |
| 1600Z to 2000Z | TEMPO | 240° at 20-30 kt | 3 SM | 2,500 ft OVC | Scattered at 800 ft AGL, Overcast at 2,500 ft AGL | MVFR |
| 2000Z to 0000Z | FM | 030° at 6 kt | 6+ SM | 9,000 ft BKN | Few at 5,000 ft AGL, Broken at 9,000 ft AGL, Broken at 20,000 ft AGL | VFR |
| 2000Z to 0000Z | TEMPO | Calm | n/a | 5,000 ft BKN | Broken at 5,000 ft AGL, Overcast at 9,000 ft AGL | VFR |
What the change groups mean
- TEMPO
- Temporary — expected for less than half the period, in spells under an hour.
- 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 6 Aug 2026 2320Z for Frederick Douglass Greater Rochester International Airport reads: TAF KROC 062320Z 0700/0724 VRB05KT P6SM SCT090 SCT200 TEMPO 0712/0716 -SHRA BKN050 OVC090 FM071600 23008KT P6SM SCT050 BKN090 BKN200 TEMPO 0716/0720 24020G30KT 3SM -TSRA SCT008 OVC025CB FM072000 03006KT P6SM FEW050 BKN090 BKN200 TEMPO 0720/0724 -SHRA BKN050 OVC090
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.