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General William J Fox Airfield, California

Medium airport in Los Angeles County, California

Air quality

The air at General William J Fox Airfield

Index 37, good, led by ozone. Read at 8 PM from its reporting area, Antelope Vly (CA), 7 miles off.

37Good
  • Fine particles (PM2.5)6Good-
  • Ozone37Good-
  • Coarse particles (PM10)9Good-

The days ahead

Moderate each day through Fri Oct 16, led by fine particles. Yesterday measured 42, good.

Smoke, the next 45 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 22 or under.

FriSat

Precipitation

What has fallen at General William J Fox Airfield

None in the last 3 days, to Thu 8 PM. 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 General William J Fox Airfield, the next 45 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

Airfield

Code
WJF
ICAO
KWJF
IATA
WJF
Field elevation
2,351 ft
Serves
Lancaster
Kind
Medium airport
Scheduled service
No
Its own instrument
WJF
Wind now
From 100° at 8 mph, read 15 Oct, 20:56

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
06 / 247,201 ft150 ftAsphalt72° / 252°7 mph head, on 064 mph from the right
06242,500 ftN100° 8 mph
Runways from their surveyed ends, north up, lengths and positions to scale; the rose in the corner is the wind now.

Measured here

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

Every hour from Lancaster/Fox Field (WJF), General William J Fox Airfield's own instrument, measure by measure, on the field's own clock.

Temperature

69 F at 8 PM; 83 F at its warmest, 2 PM, and 39 F at its coolest, 5 AM.

Now
69F
8 PM
Highest
83F
2 PM
Lowest
39F
5 AM
Temperature and Dew point at Lancaster/Fox Field, temperature from 39.0 to 83.0, the latest 69.0; dew point from 20.0 to 31.0, the latest 31.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF20406080100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMFREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 31 F, the air 24% saturated; the humidity ran from 13% at 2 PM to 48% at 6 AM.

Dew point now
31F
8 PM
Humidity now
24%
Humidity, range
13 to 48%
Relative humidity at Lancaster/Fox Field, relative humidity from 13 to 48, the latest 24, in per cent.RELATIVE HUMIDITY%1020304050Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

9 mph from the east at 8 PM; at its strongest 25 mph, 12 PM, with a gust of 43 mph at 12 PM.

Now
9mph
from the east
Strongest
25mph
12 PM
Highest gust
43mph
12 PM
Wind and Gust at Lancaster/Fox Field, wind from 0 to 25, the latest 9; gust from 18 to 43, the latest 18, in miles an hour.WIND AND GUSTmph0204060Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Lancaster/Fox Field, wind direction from 50 to 330, the latest 100, in degrees.WIND DIRECTION°090180270360Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Pressure

30.15 inHg at 8 PM, rising 0.04 inHg over 3 hours; 0.02 inHg lower than a day before.

Now
30.15inHg
8 PM
3 hours
+0.04inHg
rising
24 hours
-0.02inHg
Pressure, altimeter at Lancaster/Fox Field, pressure, altimeter from 30.11 to 30.26, the latest 30.15, in inches of mercury.PRESSURE, ALTIMETERinHg30.1030.1530.2030.2530.30Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

10 miles or more every hour.

Now
10+mi
Lowest
10+mi
Hours under a mile
0
Visibility at Lancaster/Fox Field, visibility from 10.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

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

Lancaster/Fox Field: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 5 instruments nearest General William J Fox Airfield, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.

measured now3 instruments

Lancaster/Fox FieldWJF

At an airfield/0.0 mi away/2,346 ft/5 ft below here

temp, wind, gust, visibility, precip, pressure

SR-58 - Tehachapi SummitCF006

Beside a road/28.7 mi away/4,071 ft/1,720 ft above here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Lancaster 1.5 WSWCA-LA-47

In a volunteer observer's own ground/3.9 mi away/2,360 ft/9 ft above here

precip, snowfall, snow depth

Fairmont near LancasterFMTC1

At a cooperative observer's station/11.9 mi away/3,015 ft/664 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in California

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

Near General William J Fox Airfield

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

Near General William J Fox Airfield