Alturas Municipal Airport

KAAT

Alturas, US

Last Updated
Apr 30, 00:55Z

Current Weather

Display Units
Fresh 21 min ago
00:55Z

🌙 Night
VFR
Flight Rules
18°C
Temperature
Dewpoint: -2°C
4 kt
280°
10 SM
Visibility
Ceiling
Unlimited
1018 hPa
QNH
Altimeter Setting

Raw METAR

METAR KAAT 300055Z AUTO 28004KT 10SM SCT095 18/M02 A3007 RMK AO2 SLP173 T01781022 $

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 4,378 ft
SCT 9,500 ft AGL
SCT
Scattered (3/8-4/8 sky coverage)
9,500 ft
AGL (Above Ground)
13,878 ft AMSL

Weather Briefing

VFR

Alturas Municipal Airport is currently reporting visual flight rules (VFR) conditions with scattered clouds at 9,500 feet and 10 SM visibility.

Wind Analysis

Winds are from the west (280°) at 4 knots.

Visibility & Ceiling

Visibility is 10 SM. No ceiling exists. Cloud layers reported: scattered at 9,500 ft.

Temperature & Moisture

Temperature is 18°C (64°F) with a dewpoint of -2°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
1018 hPa
Sea Level Pressure
For altitude above MSL
QFE
872 hPa
Field Pressure
Height above aerodrome (4,378 ft)
Pressure Alt
4,236 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 5,647 ft
ISA Deviation: +11.8°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
AAT
03
21
13
31 ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
03/21 2,935 ft 60 ft ASP 46°
2.4 kt 3.2 kt
126° angle
✈️ 13/31
Active: 31
4,301 ft 50 ft ASP 148°
3.5 kt 2.0 kt
30° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KAAT

6,076 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
82.2%
MVFR
14.2%
IFR
2.1%
LIFR
1.5%

Alturas Municipal Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 82.2% of the time. Prevailing winds are from the S averaging 6.9 knots. Calm conditions occur 44.3% of the time. Temperature extremes range from -15°C to 31°C, reflecting significant seasonal variation. The best months for VFR flying are September, March, October.

Wind Analysis

Prevailing Direction: S (180°)
Average Speed: 6.9 kt
Maximum Recorded: 25 kt
Calm Winds: 44.3%
Direction Distribution:
E
4.2%
N
4.9%
S
13.3%
W
13.2%
NE
3.6%
NW
5.2%
SE
4.9%
SW
6.5%

Temperature Range

Average: 5.4°C
Range: -15°C to 31°C
-15°C 31°C

Visibility

Average: 9.3 SM
Below 3 SM: 1.1%
Fog Frequency: 1.8%

Best Months for VFR

September March October

Runway Wind Analysis

Runway 03/21
Favorable wind: 100%
Avg crosswind: 4.3 kt
Runway 13/31
Favorable wind: 100%
Avg crosswind: 4.6 kt

Statistics computed from 6,076 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.

Alturas Municipal Airport - Airport Information

Airport Details

ICAO Code: KAAT
Type: small airport
Status: active
Elevation: 4,378 ft MSL

Location

City: Alturas
Country: US
Latitude: 41.482736°
Longitude: -120.565671°
Time Zone: Etc/GMT+8

Runway Information

Runway 03/21
Length: 2,935 ft
Width: 60 ft
Surface: ASP
ILS: No
Runway 13/31
Length: 4,301 ft
Width: 50 ft
Surface: ASP
ILS: No

Nearby Airports

VFR MVFR IFR LIFR No Data

About Alturas Municipal Airport

Alturas Municipal Airport (KAAT) is located in Alturas, US at an elevation of 4,378 feet MSL. The airport has 2 runways (03/21, 13/31), with the longest at 4,301 feet.

Weather Profile

Analysis of 6,076 weather observations shows KAAT maintains VFR conditions 82.2% of the time, with marginal VFR accounting for 14.2% and IFR/LIFR conditions present in 3.6% of reports.

Wind Patterns & Runway Selection

Prevailing winds at KAAT come from the S (180°) with an average speed of 6.9 knots. Calm wind conditions are common (44.3% of observations), allowing flexible runway selection. Runway 03/21 offers the lowest average crosswind component at 4.3 knots, making it the preferred choice in typical wind conditions.

Seasonal Considerations

The best months for VFR operations are September, March, October, when clear skies are most prevalent. Temperatures at the field range from -15°C (5°F) to 31°C (88°F), averaging 5.4°C (42°F). Altimeter settings typically range from 29.34 to 30.61 inHg (994-1037 hPa).

Data Sources: Airport data from OurAirports.com. Weather statistics derived from 6,076 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.