Mercer Ranch Airport (WA00) Area Aviation Weather & Runway Winds
Aviation weather near Mercer Ranch Airport in Alderdale, WA, decoded from the nearest reporting station (KHRI) — conditions, runway crosswinds, and free Telegram airport alerts.
Mercer Ranch Airport (WA00) is a general aviation airport serving pilots in and around Alderdale, WA at 780 ft. WA00 has no weather station of its own — conditions here are decoded from KHRI, about 28 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (05, 23) — longest 2,200 ft — are checked against the current wind in the crosswind table below. The nearest TAF is issued for KPSC. Track it in the ATIS Alerts Telegram bot to get alerts read from KHRI, the station this page is based on.
No weather station at this airport — showing the nearest station KHRI, 27.8 nm away.
Wind from the south-southwest (200°) at 11 kt, visibility 10+ statute miles, a few clouds at 10,000 ft, temperature 24°C (76°F), altimeter 29.88 inHg. Conditions are Visual Flight Rules (VFR).
METAR KHRI 290353Z AUTO 20011KT 10SM FEW100 24/09 A2988 RMK AO2 SLP114 T02440094
What changed at KHRI (nearest station)?
Since the 0253Z (7:53 PM PDT) report — compared automatically against the latest METAR.
- Wind direction moved from 230° to 200°.
- Pressure rising: altimeter 29.86 → 29.88 inHg.
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Current pilot readout for WA00
Based on the nearest station (KHRI), WA00 is currently VFR with winds from 200° at 11 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 05, about 4 knots. Density altitude is approximately 2,150 ft (field elevation 780 ft). WA00 does not publish a TAF — the nearest TAF station is KPSC, about 40 nm away.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Track WA00 free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at WA00. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 05FAV | 2,200 ft | GRVL | 10 kt tail | 4 kt left |
| 23 | 2,200 ft | GRVL | 10 kt tail | 4 kt left |
Open the crosswind calculator — try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 7→11 kt, ceiling unlimited → unlimited.
WA00 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Mercer Ranch Airport in Alderdale, WA: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around WA00 is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Pilot reports (PIREPs) within 100 NM of WA00
Reported by pilots in flight over the past 6 hours — via aviationweather.gov.
Show raw report
PSC UA /OV PSC34018/TM 0040/FL046/TP C172/TB LGT TO MOD
PSC UAHeader — reporting station and UA: a routine pilot report.OV PSC34018Location — fix or navaid, optionally with a radial and distance in NM.TM 0040Reported at 00:40 UTC.FL046Altitude: 4,600 ft MSL.TP C172Aircraft type reporting.TB LGT TO MODTurbulence: light to moderate.Show raw report
MWH UA /OV MWH350009/TM 2200/FL090/TP C205/TB NEG
MWH UAHeader — reporting station and UA: a routine pilot report.OV MWH350009Location — fix or navaid, optionally with a radial and distance in NM.TM 2200Reported at 22:00 UTC.FL090Altitude: 9,000 ft MSL.TP C205Aircraft type reporting.TB NEGTurbulence: none reported.⚠️ PIREPs are unverified pilot reports. Not for operational use — conditions change between reports.
Recent aviation weather trends at WA00
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KHRI reported mostly VFR across 24 observations, with 0 flight-category changes. The strongest gust reached 24 kt. Wind most often came from the W.
Most recent change: MVFR → VFR
- 05/23
- 100%
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We'll message you on Telegram when a new report moves the picture near WA00 (Mercer Ranch Airport) — alerts read from KHRI, the station this page uses.
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- WA00
- City
- Alderdale
- State
- Washington
- Country
- United States
- Elevation
- 780 ft
- Coordinates
- 45.8985, -119.9156
- Runways
- 2
- Longest runway
- 2,200 ft
- Weather reporting
- Nearest station KHRI
- TAF
- Nearest KPSC
- Time zone
- America/Los_Angeles
- Next sunset
- 23h 37m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
4 airports25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
WA00 weather — frequently asked
What runways are available at WA00?+
WA00 has 2 runways — 05, 23; the longest is 2,200 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for WA00 come from?+
Mercer Ranch Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KHRI, about 28 nm away — close enough for situational awareness, but local conditions at WA00 can differ.
Does WA00 have a TAF?+
No — WA00 does not publish its own TAF. The nearest TAF station is KPSC, about 40 nm away.
Does WA00 broadcast D-ATIS?+
No — WA00 does not broadcast D-ATIS. Alerts for WA00 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Mercer Ranch Airport (WA00)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Mercer Ranch Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for WA00 yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only — not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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