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Alturas Municipal Airport, California

Small airport in Modoc County, California

Air quality

The air at Alturas Municipal Airport

Index 13, good, led by fine particles. Read at 5 AM from its reporting area, Lakeview (OR), 50 miles off.

13Good
  • Fine particles (PM2.5)13Good-

The days ahead

Yesterday measured 36, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 11 PM.

FriSat

Precipitation

What has fallen at Alturas Municipal Airport

None in the last 3 days, to Fri 5 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Alturas Municipal Airport, the next 42 hours

Visibility stays 10 miles or more through Sat 11 PM.

FriSat

Airfield

Code
AAT
ICAO
KAAT
IATA
-
Field elevation
4,378 ft
Serves
Alturas
Kind
Small airport
Scheduled service
No
Its own instrument
AAT
Wind now
Calm, read 16 Oct, 05:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
03 / 212,506 ft60 ftAsphalt47° / 227°CalmCalm
13 / 314,228 ft50 ftAsphalt149° / 329°CalmCalm
032113311,000 ftN
Runways from their surveyed ends, north up, lengths and positions to scale.

Measured here

What the airfield's own instrument measured, the last 24 hours

Every hour from Alturas (Was O00) (AAT), Alturas Municipal Airport's own instrument, measure by measure, on the field's own clock.

Temperature

25 F at 5 AM; 76 F at its warmest, 3 PM Thursday, and 25 F at its coolest, 3 AM.

Now
25F
5 AM
Highest
76F
3 PM Thursday
Lowest
25F
3 AM
Temperature and Dew point at Alturas (Was O00), temperature from 25.0 to 76.0, the latest 25.0; dew point from 15.0 to 32.0, the latest 17.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF0204060809 AM12 PM3 PM6 PM9 PMOct 163 AM6 AMFREEZINGTEMPERATUREDEW POINT

How it is measured: Stevenson screen and siting, Field Book FB-INS-009

Humidity and dew point

A dew point of 17 F, the air 71% saturated; the humidity ran from 13% at 3 PM Thursday to 88% at 7 AM Thursday.

Dew point now
17F
5 AM
Humidity now
71%
Humidity, range
13 to 88%
Relative humidity at Alturas (Was O00), relative humidity from 13 to 88, the latest 71, in per cent.RELATIVE HUMIDITY%0204060801009 AM12 PM3 PM6 PM9 PMOct 163 AM6 AM

How it is measured: Humidity variables, Field Book FB-WAT-002

Wind

3 mph from the west northwest at 6 AM; at its strongest 5 mph, 6 PM Thursday, and no gust reported.

Now
3mph
from the west northwest
Strongest
5mph
6 PM Thursday
Highest gust
-
none reported
Wind at Alturas (Was O00), wind from 0 to 5, the latest 3, in miles an hour.WINDmph02469 AM12 PM3 PM6 PM9 PMOct 163 AM6 AM
Wind direction at Alturas (Was O00), wind direction from 20 to 360, the latest 300, in degrees.WIND DIRECTION°0901802703609 AM12 PM3 PM6 PM9 PMOct 163 AM6 AM

How it is measured: Coriolis as geometry, Field Book FB-ENG-008

Pressure

30.44 inHg at 6 AM, steady over 3 hours; 0.02 inHg lower than a day before.

Now
30.44inHg
6 AM
3 hours
-0.01inHg
steady
24 hours
-0.02inHg
Pressure, altimeter at Alturas (Was O00), pressure, altimeter from 30.40 to 30.48, the latest 30.44, in inches of mercury.PRESSURE, ALTIMETERinHg30.3830.4030.4330.4530.4830.509 AM12 PM3 PM6 PM9 PMOct 163 AM6 AM

How it is measured: Hydrostatic balance, Field Book FB-ENG-003

Visibility

Down to 8 miles at 10 PM Thursday; 10 miles or more now.

Now
10+mi
Lowest
8mi
10 PM Thursday
Hours under a mile
0
Visibility at Alturas (Was O00), visibility from 8.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5109 AM12 PM3 PM6 PM9 PMOct 163 AM6 AMLIFRIFRMVFRVFR

How it is measured: Fog types, Field Book FB-WAT-020

Precipitation

None measured in the gauge in the last 24 hours.

Last 24 hours
0.00in
Wettest hour
-
Hours with some
0

How it is measured: ASOS, Field Book FB-INS-002

Alturas (Was O00): every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 6 instruments nearest Alturas Municipal Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

Alturas (Was O00)AAT

At an airfield/0.6 mi away/4,373 ft/5 ft below here

temp, wind, gust, visibility, precip, pressure

Devils Garden GOESATSC1

At a river or reservoir gauge/6.4 mi away/5,016 ft/638 ft above here

temp, wind, gust, humidity, pressure

Ash ValleyS2214

At a soil climate station/30.4 mi away/5,097 ft/719 ft above here

temp, humidity, soil temp, soil moisture

PerezCD021

Beside a road/34.2 mi away/4,482 ft/104 ft above here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Alturas 9.5 ECA-MC-4

In a volunteer observer's own ground/10.6 mi away/5,336 ft/958 ft above here

precip, snowfall, snow depth

Jess ValleyJESC1

At a cooperative observer's station/20.4 mi away/5,423 ft/1,045 ft above here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Jess Valley (JESC1), 20.4 miles from here, read 6 Oct, 20:00. measured daily

Elsewhere in California

33 places, each with its own forecast and its own instruments.

Near Alturas Municipal Airport

The nearest places, each with its own forecast and the instruments nearest it.

Near Alturas Municipal Airport