KACV TAF
Terminal aerodrome forecast for California Redwood Coast-Humboldt County (ACV · KACV), Arcata/Eureka, CA. Issued 21 Sep 2026 0539Z, valid 0600Z to 0600Z, decoded period by period below. · Open on the map
All of California Redwood Coast-Humboldt County — runways, frequencies, charts and live weatherTAF issued 21 Sep 2026 0539Z
valid 0600Z to 0600ZTAF KACV 210539Z 2106/2206 10002KT 5SM -DZ BR OVC006 FM210900 26004KT 5SM -DZ BR OVC004 FM211700 31007KT 6SM BR OVC007 FM220400 15003KT 4SM BR OVC004
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0600Z to 0900Z | Initial | 100° at 2 kt | 5 SM | 600 ft OVC | Overcast at 600 ft AGL | IFR |
| 0900Z to 1700Z | FM | 260° at 4 kt | 5 SM | 400 ft OVC | Overcast at 400 ft AGL | LIFR |
| 1700Z to 0400Z | FM | 310° at 7 kt | 6+ SM | 700 ft OVC | Overcast at 700 ft AGL | IFR |
| 0400Z to 0600Z | FM | 150° at 3 kt | 4 SM | 400 ft OVC | Overcast at 400 ft AGL | LIFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
What the categories mean
- IFR
- Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.
- LIFR
- Low IFR — ceiling below 500 ft and/or visibility less than 1 SM.
Frequently asked
What is the current TAF for KACV?
The forecast issued 21 Sep 2026 0539Z for California Redwood Coast-Humboldt County reads: TAF KACV 210539Z 2106/2206 10002KT 5SM -DZ BR OVC006 FM210900 26004KT 5SM -DZ BR OVC004 FM211700 31007KT 6SM BR OVC007 FM220400 15003KT 4SM BR OVC004
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 KACV
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Something here wrong or out of date?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.