KNHK TAF
Terminal aerodrome forecast for Patuxent River Naval Air Station (Trapnell Field) (NHK · KNHK), Patuxent River, MD. Issued 6 Aug 2026 2200Z, valid 2300Z to 2300Z, decoded period by period below.
All of Patuxent River Naval Air Station (Trapnell Field) — runways, frequencies, charts and live weatherTAF issued 6 Aug 2026 2200Z
valid 2300Z to 2300ZTAF KNHK 062200Z 0623/0723 20006KT 9999 FEW040 SCT080 QNH3008INS BECMG 0701/0702 22006KT 9999 VCSH SCT035 BKN060 QNH3011INS TEMPO 0701/0705 6000 -SHRA BECMG 0706/0707 22006KT 9999 NSW SCT040 SCT080 QNH3014INS BECMG 0712/0713 25006KT 9999 FEW050 SCT250 QNH3007INS AUTOMATED SENSOR METWATCH 0703 TIL 0708 TX34/0720Z TN26/0710Z FN20117
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 2300Z to 0100Z | Initial | 200° at 6 kt | 6+ SM | Clear | Few at 4,000 ft AGL, Scattered at 8,000 ft AGL | VFR |
| 0100Z to 0600Z | BECMG | 220° at 6 kt | 6+ SM | 6,000 ft BKN | Scattered at 3,500 ft AGL, Broken at 6,000 ft AGL | VFR |
| 0100Z to 0500Z | TEMPO | Calm | 3.73 SM | Clear | No cloud forecast | MVFR |
| 0600Z to 1200Z | BECMG | 220° at 6 kt | 6+ SM | Clear | Scattered at 4,000 ft AGL, Scattered at 8,000 ft AGL | VFR |
| 1200Z to 2300Z | BECMG | 250° at 6 kt | 6+ SM | Clear | Few at 5,000 ft AGL, Scattered at 25,000 ft AGL | VFR |
What the change groups mean
- BECMG
- Becoming — a gradual change over the stated window.
- TEMPO
- Temporary — expected for less than half the period, in spells under an hour.
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 KNHK?
The forecast issued 6 Aug 2026 2200Z for Patuxent River Naval Air Station (Trapnell Field) reads: TAF KNHK 062200Z 0623/0723 20006KT 9999 FEW040 SCT080 QNH3008INS BECMG 0701/0702 22006KT 9999 VCSH SCT035 BKN060 QNH3011INS TEMPO 0701/0705 6000 -SHRA BECMG 0706/0707 22006KT 9999 NSW SCT040 SCT080 QNH3014INS BECMG 0712/0713 25006KT 9999 FEW050 SCT250 QNH3007INS AUTOMATED SENSOR METWATCH 0703 TIL 0708 TX34/0720Z TN26/0710Z FN20117
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 KNHK
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.