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California Redwood Coast-Humboldt County Airport, California

Medium airport in Humboldt County, California

Air quality

The air at California Redwood Coast-Humboldt County Airport

Index 26, good, led by coarse particles. Read at 12 AM from its reporting area, Eureka (CA), 13 miles off.

26Good
  • Coarse particles (PM10)26Good-

The days ahead

Yesterday measured 23, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 5 PM.

FriSat

Precipitation

What has fallen at California Redwood Coast-Humboldt County 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 California Redwood Coast-Humboldt County Airport, the next 41 hours

Dense fog: visibility falls to 0 miles Fri 6 AM, under a mile for 19 hours.

FriSat

Airfield

Code
ACV
ICAO
KACV
IATA
ACV
Field elevation
221 ft
Serves
Arcata/Eureka
Kind
Medium airport
Scheduled service
Yes
Its own instrument
ACV
Wind now
-

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
01 / 194,501 ft150 ftAsphalt29° / 209°--
14 / 326,046 ft150 ftAsphalt153° / 333°--
011914322,000 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 Arcata/Eureka Arpt (ACV), California Redwood Coast-Humboldt County Airport's own instrument, measure by measure, on the field's own clock.

Temperature

49 F at 12 AM; 76 F at its warmest, 11 AM Thursday, and 46 F at its coolest, 4 AM Thursday.

Now
49F
12 AM
Highest
76F
11 AM Thursday
Lowest
46F
4 AM Thursday
Temperature and Dew point at Arcata/Eureka Arpt, temperature from 46.0 to 76.0, the latest 49.0; dew point from 45.0 to 52.0, the latest 47.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF40506070803 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16TEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 47 F, the air 93% saturated; the humidity ran from 39% at 12 PM Thursday to 96% at 2 AM Thursday.

Dew point now
47F
12 AM
Humidity now
93%
Humidity, range
39 to 96%
Relative humidity at Arcata/Eureka Arpt, relative humidity from 39 to 96, the latest 93, in per cent.RELATIVE HUMIDITY%204060801003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Wind

2 mph from the east southeast at 12 AM; at its strongest 7 mph, 1 PM Thursday, and no gust reported.

Now
2mph
from the east southeast
Strongest
7mph
1 PM Thursday
Highest gust
-
none reported
Wind at Arcata/Eureka Arpt, wind from 0 to 7, the latest 2, in miles an hour.WINDmph024683 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Wind direction at Arcata/Eureka Arpt, wind direction from 40 to 340, the latest 110, 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

30.15 inHg at 12 AM, steady over 3 hours; 0.01 inHg higher than a day before.

Now
30.15inHg
12 AM
3 hours
+0.00inHg
steady
24 hours
+0.01inHg
Pressure, altimeter at Arcata/Eureka Arpt, pressure, altimeter from 30.12 to 30.16, the latest 30.15, in inches of mercury.PRESSURE, ALTIMETERinHg30.1230.1330.1430.1530.163 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 9 AM Thursday; 10 miles or more now.

Now
10+mi
Lowest
2mi
9 AM Thursday
Hours under a mile
0
Visibility at Arcata/Eureka Arpt, visibility from 1.8 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

Arcata/Eureka Arpt: 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 California Redwood Coast-Humboldt County 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

Arcata/Eureka ArptACV

At an airfield/0.0 mi away/217 ft/4 ft below here

temp, wind, gust, visibility, precip, pressure

Humboldt - Cal Poly RAWSCPYC1

A remote fire weather station/12.0 mi away/1,762 ft/1,541 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

McKinleyville 2.0 NNECA-HM-136

In a volunteer observer's own ground/0.5 mi away/226 ft/5 ft above here

precip, snowfall, snow depth

ScotiaSCTC1

At a cooperative observer's station/34.2 mi away/138 ft/83 ft below 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 California Redwood Coast-Humboldt County Airport

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

Near California Redwood Coast-Humboldt County Airport