KBWP Harry Stern

WIND_INFERRED 80%

Runway 15 — favored by the wind (11 kt at 150° true)

Based on wind only — no traffic or ATIS to confirm. No D-ATIS feed here — a voice ATIS/AWOS may exist; check the frequency. No ADS-B traffic data available.

certainty: 80% evidence: WEAK no tower now

Wind 150° true at 11 kt · VFR · 18 min old

▶ Listen live — ATIS/CTAF on LiveATC opens LiveATC’s own player · verify the broadcast yourself

15 86% 5100 ft · 11 kt head, 1 kt x-left

21 14% 3254 ft · 4 kt head, 10 kt x-left

3 <1% 3254 ft · 4 kt TAIL, 10 kt x-right

33 <1% 5100 ft · 11 kt TAIL, 1 kt x-right

Why — evidence behind this answer

Runway 15

WIND 11 kt headwind, 1 kt left crosswind 18 min ago +2.35
PRIOR runway length 5100 ft +0.04

Runway 21

WIND 4 kt headwind, 10 kt left crosswind 18 min ago +0.58
PRIOR runway length 3254 ft -0.04

Runway 3

WIND 4 kt TAILWIND, 10 kt right crosswind 18 min ago -3.57
PRIOR runway length 3254 ft -0.04

Runway 33

WIND 11 kt TAILWIND, 1 kt right crosswind 18 min ago -18.06
PRIOR runway length 5100 ft +0.04

Sources consulted

source	status	age	note
D_ATIS	UNAVAILABLE		No D-ATIS at this field
METAR	OK	18 min
ADSB	UNAVAILABLE		No ADS-B track history here yet
NOTAM	OK
CIFP	NOT_CONFIGURED		Instrument procedures: phase 4

Recent operations

No operations observed in the last hour. (No ADS-B track history here yet)

Was this right?

KBWP field & runways

Harry Stern, Wahpeton, North Dakota. Field elevation 968 ft. Non-towered (NON-ATCT). Magnetic variation 5.0°E on record, 2.4°E today.

The FAA's variation of record is the number this field was surveyed against; the second is where north points now, from WMM2025. It is moving 0.051°/year west — about 1° every 20 years — which is why runway numbers eventually stop matching their pavement.

Runway data from the FAA NASR 01 Oct 2026 cycle. Where NASR locates both thresholds, the true heading is the bearing between them rather than NASR's whole-degree alignment. Magnetic is that heading against *today's* declination from WMM2025, not the field's variation of record — so it can differ from the chart by the gap between the two shown above. The number painted on the runway is the one ATC uses.
Runway	True	Magnetic	Number	Length	Surface	Pattern
15	156.0°	153.6°	matches rule gives runway 16 in ~27 yr	5,100 ft	CONC	left
21	217.5°	215.1°	runway 22 by the rule today · 5.1° past	3,254 ft	TURF	left
3	37.5°	35.1°	runway 4 by the rule today · 5.1° past	3,254 ft	TURF	left
33	336.0°	333.6°	matches rule gives runway 34 in ~27 yr	5,100 ft	CONC	left

Generated 11:12:53Z · auto-refreshes · JSON

KBWP ☆ Harry Stern