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Usaf Academy Bullseye Aux Airstrip (CO90) Area Aviation Weather & Runway Winds

As of 1:15 PM MDT, Oct 28, based on the nearest station (KFLY), CO90 is currently VFR with winds from 360° at 5 knots, visibility 10+ statute miles, and no ceiling reported.

Aviation weather near Usaf Academy Bullseye Aux Airstrip in Ellicott, CO, decoded from the nearest reporting station (KFLY): conditions and runway crosswinds.

Usaf Academy Bullseye Aux Airstrip (CO90) is a general aviation airport serving pilots in and around Ellicott, CO at a field elevation of 6,036 ft. CO90 has no weather station of its own. Conditions here are decoded from KFLY, about 17 nm away, the nearest reporting station, and local conditions can differ. It has one runway (17/35), the longest 3,487 ft. Automated weather is broadcast on 118.325.

Ask ATIS AIAsk anything about CO90's weather, runways or delays, or search another airport.
VFR
Observed 1915Z (1:15 PM MDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KFLY, 16.7 nm away.

Wind
360° 5 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
30.14"
Temp / Dew
62°F / 17°C
dew 16°F / -9°C

Wind from the north (360°) at 5 kt, visibility 10+ statute miles, no cloud data, temperature 17°C (62°F), altimeter 30.14 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KFLY 281915Z AUTO 36005KT 10SM CLR 17/M09 A3014 RMK AO2 T01691088

What changed at KFLY (nearest station)?

Since the 1855Z (12:55 PM MDT) report, compared automatically against the latest METAR.

No significant changes since the 1855Z (12:55 PM MDT) report, conditions are holding steady.

Current pilot readout for CO90

Based on the nearest station (KFLY), CO90 is currently VFR with winds from 360° at 5 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors north-facing runway ends (35). Density altitude is approximately 7,450 ft (field elevation 6,036 ft). CO90 does not publish a TAF. The nearest TAF station is KCOS, about 19 nm away.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

RunwayHead / TailCrosswind
35FAV5 kt head0 kt
175 kt tail0 kt

Open the crosswind calculator to try your own wind and runway numbers →

CO90 runways

1 physical runway · 2 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.

  • Runway 17/35
    3,487 × 75 ft · ASPH
    Status not monitored
    Current use
    no stated-runway source at CO90
    Wind
    17
    5 kt tailwind · 0 kt crosswind
    35
    5 kt headwind · 0 kt crosswind
    no active equipment NOTAM receivedView Runway Intelligence →

“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
0132519Z07Z19Z

Over the last 24 h: wind 6→5 kt, ceiling unlimited → unlimited.

CO90 weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.

Pilot reports (PIREPs) within 100 NM of CO90

Reported by pilots in flight over the past 6 hours, via aviationweather.gov.

PIREP1912Z (1:12 PM MDT) · 89 NM W of CO90 · 23,000 ft MSL · B38M
occasional light turbulence
Show raw report
ASE UA /OV DBL110040/TM 1912/FL230/TP B38M/TB OCNL LGT/RM ZDVWC-26
ASE UAHeader: reporting station and UA: a routine pilot report.
OV DBL110040Location: fix or navaid, optionally with a radial and distance in NM.
TM 1912Reported at 19:12 UTC.
FL230Altitude: 23,000 ft MSL.
TP B38MAircraft type reporting.
TB OCNL LGTTurbulence: occasional light.
RM ZDVWC-26Remarks.
PIREP1909Z (1:09 PM MDT) · 42 NM NE of CO90 · during climb · EC425
Show raw report
LIC UA /OV HGO350025/TM 1909/FL075/TP EC425/SK SKC/TB NEG/RM UNRESTRICTED VIS DURD AND DURC AT KLIC ZDVWC-27
LIC UAHeader: reporting station and UA: a routine pilot report.
OV HGO350025Location: fix or navaid, optionally with a radial and distance in NM.
TM 1909Reported at 19:09 UTC.
FL075Altitude: 7,500 ft MSL.
TP EC425Aircraft type reporting.
SK SKCSky condition: cloud bases and tops in hundreds of feet MSL.
TB NEGTurbulence: none reported.
RM UNRESTRICTED VIS DURD AND…Remarks.
PIREP1907Z (1:07 PM MDT) · 59 NM N of CO90 · during descent · B738
occasional light chop turbulence
Show raw report
DEN UA /OV DEN180007/TM 1907/FL078/TP B738/TB OCNL LGT CHOP/RM DURD RY35L DEN
DEN UAHeader: reporting station and UA: a routine pilot report.
OV DEN180007Location: fix or navaid, optionally with a radial and distance in NM.
TM 1907Reported at 19:07 UTC.
FL078Altitude: 7,800 ft MSL.
TP B738Aircraft type reporting.
TB OCNL LGT CHOPTurbulence: occasional light chop.
RM DURD RY35L DENRemarks.
PIREP1840Z (12:40 PM MDT) · 65 NM N of CO90 · 9,000 ft MSL · PC24
moderate turbulence
Show raw report
DEN UA /OV 20NW/TM 1840/FL090/TP PC24/TB MOD
DEN UAHeader: reporting station and UA: a routine pilot report.
OV 20NWLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1840Reported at 18:40 UTC.
FL090Altitude: 9,000 ft MSL.
TP PC24Aircraft type reporting.
TB MODTurbulence: moderate.
PIREP1834Z (12:34 PM MDT) · 65 NM N of CO90 · 16,500 ft MSL · UAL1256
Show raw report
ARP UAL1256 3948N 10439W 1834 F165 TB OCNL MOD TURB IC
ARP UAL1256 3948N 10439W 183…Header: reporting station and UA: a routine pilot report.
PIREP1830Z (12:30 PM MDT) · 65 NM N of CO90 · during climb · A319
light to moderate 14,000–18,000 ft turbulence
Show raw report
DEN UA /OV 20W/TM 1830/FLDURC/TP A319/TB LGT-MOD 140-180
DEN UAHeader: reporting station and UA: a routine pilot report.
OV 20WLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1830Reported at 18:30 UTC.
FLDURCReported during climb.
TP A319Aircraft type reporting.
TB LGT-MOD 140-180Turbulence: light to moderate 14,000–18,000 ft.
PIREP1811Z (12:11 PM MDT) · 61 NM N of CO90 · 7,000 ft MSL · CRJ7
occ lt turb turbulence
Show raw report
DEN UA /OV 5 S DEN/TM 1811/FL070/TP CRJ7/TB OCC LT TURB
DEN UAHeader: reporting station and UA: a routine pilot report.
OV 5 S DENLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1811Reported at 18:11 UTC.
FL070Altitude: 7,000 ft MSL.
TP CRJ7Aircraft type reporting.
TB OCC LT TURBTurbulence: occ lt turb.
PIREP1750Z (11:50 AM MDT) · 30 NM S of CO90 · 5,000 ft MSL · P28A
Show raw report
PUB UA /OV KPUB/TM 1750/FL050/TP P28A/TB NEG/RM SMOOTH
PUB UAHeader: reporting station and UA: a routine pilot report.
OV KPUBLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1750Reported at 17:50 UTC.
FL050Altitude: 5,000 ft MSL.
TP P28AAircraft type reporting.
TB NEGTurbulence: none reported.
RM SMOOTHRemarks.

⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.

Recent aviation weather trends at CO90

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KFLY reported mostly VFR across 70 observations, with 0 flight-category changes. The strongest gust reached 22 kt. Wind most often came from the N.

Last 24 hours
VFR 100%
Wind avg/max: 6/13 kt
Max gust: 22 kt
Lowest ceiling: -
Lowest vis: -
Prevailing wind: N
Category changes: 0
Last 7 days
VFR 75%MVFR 6%IFR 6%LIFR 13%
Wind avg/max: 8/23 kt
Max gust: 34 kt
Lowest ceiling: 100 ft
Lowest vis: 0.25 sm
Prevailing wind: S
Category changes: 18

Most recent change: LIFR → VFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

17
52%
35
48%

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No live weather from CO90

Live crosswind meter

CO90's ASOS isn't in the national weather feed, so the wind comes from KFLY, 17 nm away.

N35175 kt
Headwind
5 kt
Crosswind
0 kt

Wind is 1° off runway 35, the end with the most headwind right now.

CO90's AWOS isn't online yet. Help us share it with pilots: we'll show your field's live wind and crosswind on this page, free. Share your AWOS →

Asphalt · 3,487 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Usaf Academy Bullseye Aux Airstrip (CO90) with runway 17/35 marked
N ↑

Runway 17/35 drawn from FAA threshold coordinates.

Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit

Airport info

From the FAA airport record (cycle 2026-10-01) and OurAirports.

Services

Control tower
None
Wind indicator
Unlighted

Airport

Type
General aviation airport
FAA LID
CO90
City
Ellicott
State
Colorado
Country
United States
Elevation
6,036 ft
Coordinates
38.7583, -104.3070
Runways
1 physical runway · 2 runway ends
Longest runway
3,487 ft
Weather reporting
On-field ASOS, not in the national feed (using KFLY)
TAF
Nearest KCOS
AWOS/ASOS
118.325 MHz
Time zone
America/Denver
Sunset in
4h 36m

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Nearby airports

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RC flying fields nearby

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Pilot PIREPs for Usaf Academy Bullseye Aux Airstrip (CO90)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Usaf Academy Bullseye Aux Airstrip, 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 CO90 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.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

Spotted incorrect airport info? ✏️ Suggest an edit

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