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Jack Northrop Field Hawthorne Municipal Airport, California

Medium airport in Los Angeles County, California

Air quality

The air at Jack Northrop Field Hawthorne Municipal Airport

Index 58, moderate, led by fine particles. Read at 11 PM from its reporting area, S Central LA CO (CA), 7 miles off.

58Moderate
  • Fine particles (PM2.5)58Moderate7.3 mi
  • Ozone4Good2 ppb7.3 mi
  • Coarse particles (PM10)-11.7 mi
  • Nitrogen dioxide46Good49.8 ppb7.3 mi
  • Sulfur dioxide0Good0.5 ppb11.7 mi
  • Carbon monoxide-1.1 ppm7.3 mi

The days ahead

Moderate each day through Today, led by fine particles. Yesterday measured 48, good.

Smoke, the next 42 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Jack Northrop Field Hawthorne Municipal Airport

None in the last 3 days, to Thu 11 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 Jack Northrop Field Hawthorne Municipal Airport, the next 42 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

Airfield

Code
HHR
ICAO
KHHR
IATA
HHR
Field elevation
66 ft
Serves
Hawthorne
Kind
Medium airport
Scheduled service
Yes
Its own instrument
HHR
Wind now
Calm, read 15 Oct, 23:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
07 / 254,884 ft100 ftConcrete87° / 267°CalmCalm
07252,000 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 Hawthorne Municipal (HHR), Jack Northrop Field Hawthorne Municipal Airport's own instrument, measure by measure, on the field's own clock.

Temperature

79 F at 8 PM Thursday; 89 F at its warmest, 12 PM Thursday, and 61 F at its coolest, 6 AM Thursday.

Now
79F
8 PM Thursday
Highest
89F
12 PM Thursday
Lowest
61F
6 AM Thursday
Temperature and Dew point at Hawthorne Municipal, temperature from 61.0 to 89.0, the latest 79.0; dew point from 33.0 to 51.0, the latest 48.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF204060801003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16FREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 48 F, the air 34% saturated; the humidity ran from 14% at 12 PM Thursday to 60% at 1 AM Thursday.

Dew point now
48F
8 PM Thursday
Humidity now
34%
Humidity, range
14 to 60%
Relative humidity at Hawthorne Municipal, relative humidity from 14 to 60, the latest 34, in per cent.RELATIVE HUMIDITY%0204060803 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Wind

0 mph from the south at 8 PM Thursday; at its strongest 10 mph, 3 PM Thursday, and no gust reported.

Now
0mph
from the south
Strongest
10mph
3 PM Thursday
Highest gust
-
none reported
Wind at Hawthorne Municipal, wind from 0 to 10, the latest 0, in miles an hour.WINDmph0510153 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Wind direction at Hawthorne Municipal, wind direction from 10 to 360, the latest 190, in degrees.WIND DIRECTION°0901802703603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Pressure

29.94 inHg at 8 PM Thursday, rising 0.03 inHg over 3 hours; 0.09 inHg lower than a day before.

Now
29.94inHg
8 PM Thursday
3 hours
+0.03inHg
rising
24 hours
-0.09inHg
Pressure, altimeter at Hawthorne Municipal, pressure, altimeter from 29.91 to 30.04, the latest 29.94, in inches of mercury.PRESSURE, ALTIMETERinHg29.9029.9530.0030.053 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Visibility

Down to 2 miles at 10 AM Thursday; 10 miles or more now.

Now
10+mi
Lowest
2mi
10 AM Thursday
Hours under a mile
0
Visibility at Hawthorne Municipal, visibility from 2.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFRMVFRVFR

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

Hawthorne Municipal: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 4 instruments nearest Jack Northrop Field Hawthorne Municipal Airport, 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 now2 instruments

Hawthorne MunicipalHHR

At an airfield/0.0 mi away/62 ft/4 ft below here

temp, wind, gust, visibility, precip, pressure

Beverly Hills - RAWS #5108BVRC1

A remote fire weather station/14.7 mi away/1,083 ft/1,017 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Willowbrook 1.1 NCA-LA-115

In a volunteer observer's own ground/4.5 mi away/114 ft/48 ft above here

precip, snowfall, snow depth

Redondo BeachRDOC1

At a cooperative observer's station/6.5 mi away/148 ft/82 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 Jack Northrop Field Hawthorne Municipal Airport

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

Near Jack Northrop Field Hawthorne Municipal Airport