Alpine Airport

K46U

Alpine, US

Last Updated
Apr 30, 23:15Z

Current Weather

Display Units
Fresh 13 min ago
23:15Z

🌙 Night
VFR
Flight Rules
14°C
Temperature
Dewpoint: -7°C
8 kt
310°
10 SM
Visibility
Ceiling
Unlimited
1019 hPa
QNH
Altimeter Setting

Raw METAR

METAR K46U 302315Z AUTO 31008KT 10SM SCT100 14/M07 A3009 RMK A01

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 5,634 ft
SCT 10,000 ft AGL
SCT
Scattered (3/8-4/8 sky coverage)
10,000 ft
AGL (Above Ground)
15,634 ft AMSL

Weather Briefing

VFR

Alpine Airport is currently reporting visual flight rules (VFR) conditions with scattered clouds at 10,000 feet and 10 SM visibility.

Wind Analysis

Winds are from the northwest (310°) at 8 knots. Runway 31 is favored with a 8-knot headwind and 0-knot crosswind component.

Visibility & Ceiling

Visibility is 10 SM. No ceiling exists. Cloud layers reported: scattered at 10,000 ft.

Temperature & Moisture

Temperature is 14°C (57°F) with a dewpoint of -7°C, indicating very dry conditions.

Pilot Recommendations

Conditions are favorable for visual flight.

This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.

QNH
1019 hPa
Sea Level Pressure
For altitude above MSL
QFE
831 hPa
Field Pressure
Height above aerodrome (5,634 ft)
Pressure Alt
5,462 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 6,694 ft
ISA Deviation: +10.3°C

24-Hour Weather Evolution

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Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
46U
13
31 ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 13/31
Active: 31
5,625 ft 35 ft ASP 143°
8.0 kt 0.0 kt
0° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - K46U

14,451 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
84.8%
MVFR
10%
IFR
2.2%
LIFR
2.9%

Alpine Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 84.8% of the time. Prevailing winds are from the SE averaging 6.9 knots. Calm conditions occur 61.2% of the time. Temperature extremes range from -22°C to 27°C, reflecting significant seasonal variation. The best months for VFR flying are September, November, October.

Wind Analysis

Prevailing Direction: SE (135°)
Average Speed: 6.9 kt
Maximum Recorded: 28 kt
Calm Winds: 61.2%
Direction Distribution:
E
3.8%
N
1.7%
S
3.7%
W
8.8%
NE
0.9%
NW
8%
SE
10.2%
SW
1.7%

Temperature Range

Average: 3.3°C
Range: -22°C to 27°C
-22°C 27°C

Visibility

Average: 9.5 SM
Below 3 SM: 1.3%
Fog Frequency: 0.7%

Best Months for VFR

September November October

Runway Wind Analysis

Runway 13/31
Favorable wind: 100%
Avg crosswind: 2.8 kt

Statistics computed from 14,451 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.

Alpine Airport - Airport Information

Airport Details

ICAO Code: K46U
Type: small airport
Status: active
Elevation: 5,634 ft MSL

Location

City: Alpine
Country: US
Latitude: 43.181876°
Longitude: -111.038657°
Time Zone: Etc/GMT+7

Runway Information

Runway 13/31
Length: 5,625 ft
Width: 35 ft
Surface: ASP
ILS: No

About Alpine Airport

Alpine Airport (K46U) is located in Alpine, US at an elevation of 5,634 feet MSL, making density altitude a consideration for performance planning. The airport has 1 runway (13/31), with the longest at 5,625 feet.

Weather Profile

Analysis of 14,451 weather observations shows K46U maintains VFR conditions 84.8% of the time, with marginal VFR accounting for 10% and IFR/LIFR conditions present in 5.1% of reports.

Wind Patterns & Runway Selection

Prevailing winds at K46U come from the SE (135°) with an average speed of 6.9 knots and recorded gusts up to 28 knots. Calm wind conditions are common (61.2% of observations), allowing flexible runway selection. Runway 13/31 offers the lowest average crosswind component at 2.8 knots, making it the preferred choice in typical wind conditions.

Seasonal Considerations

The best months for VFR operations are September, November, October, when clear skies are most prevalent. Temperatures at the field range from -22°C (-8°F) to 27°C (81°F), averaging 3.3°C (38°F). Cold weather operations require attention to aircraft preheating, de-icing, and cold-soaked fuel management. Altimeter settings typically range from 29.29 to 30.71 inHg (992-1040 hPa).

Data Sources: Airport data from OurAirports.com. Weather statistics derived from 14,451 official METAR observations (Sep 2025 - Apr 2026). Pilots should always verify current conditions through official channels before flight.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.