KNHK TAF

Terminal aerodrome forecast for Patuxent River NAS (Trapnell Field) (NHK · KNHK), Patuxent River, MD. Issued 5 Nov 2026 1200Z, valid 1200Z to 0700Z, decoded period by period below. · Open on the map

All of Patuxent River NAS (Trapnell Field) — runways, frequencies, charts and live weather

TAF issued 5 Nov 2026 1200Z

valid 1200Z to 0700Z

AMD 1207 Amended at 1207Z

TAF KNHK 051200Z 0512/0607 18008KT 9999 VCSH FEW015 SCT035 OVC140 QNH2993INS TEMPO 0512/0514 9000 -RA SCT015 BKN035 OVC140 BECMG 0514/0515 19009KT 9999 NSW BKN040 BKN130 QNH2985INS BECMG 0522/0523 VRB06KT 9999 VCSH OVC030 QNH2987INS TX25/0520Z TN19/0511Z AMD 1207 FN00298

Times are UTC (Zulu), as they appear in the bulletin.

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
1200Z to 1400Z	Initial	180° at 8 kt	6+ SM	14,000 ft OVC	Few at 1,500 ft AGL, Scattered at 3,500 ft AGL, Overcast at 14,000 ft AGL	VFR
`QNH2993INS` Lowest altimeter setting 29.93 inHg
1200Z to 1400Z	TEMPO	No change	5.56 SM	3,500 ft BKN	Scattered at 1,500 ft AGL, Broken at 3,500 ft AGL, Overcast at 14,000 ft AGL	VFR

1400Z to 2200Z	BECMG	190° at 9 kt	6+ SM	4,000 ft BKN	Broken at 4,000 ft AGL, Broken at 13,000 ft AGL	VFR
`NSW` No significant weather `QNH2985INS` Lowest altimeter setting 29.85 inHg
2200Z to 0700Z	BECMG	Variable at 6 kt	6+ SM	3,000 ft OVC	Overcast at 3,000 ft AGL	MVFR
`QNH2987INS` Lowest altimeter setting 29.87 inHg

Forecast notes

TX25/0520Z Maximum temperature 25°C at 2000Z on the 5th
TN19/0511Z Minimum temperature 19°C at 1100Z on the 5th
FN00298 Not decoded

What the change groups mean

TEMPO: Temporary — expected for less than half the period, in spells under an hour.
BECMG: Becoming — a gradual change over the stated window.

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 5 Nov 2026 1200Z for Patuxent River NAS (Trapnell Field) reads: TAF KNHK 051200Z 0512/0607 18008KT 9999 VCSH FEW015 SCT035 OVC140 QNH2993INS TEMPO 0512/0514 9000 -RA SCT015 BKN035 OVC140 BECMG 0514/0515 19009KT 9999 NSW BKN040 BKN130 QNH2985INS BECMG 0522/0523 VRB06KT 9999 VCSH OVC030 QNH2987INS TX25/0520Z TN19/0511Z AMD 1207 FN00298

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.

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