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Coupeville Nolf Airport, Washington

Small airport in Island County, Washington

Air quality

The air at Coupeville Nolf Airport

Index 24, good, led by fine particles. Read at 11 PM from its reporting area, Port Townsend (WA), 8 miles off.

24Good
  • Fine particles (PM2.5)24Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 20, good.

Smoke, the next 42 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Coupeville Nolf 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 Coupeville Nolf Airport, the next 42 hours

Visibility stays 7 miles or more through Sat 5 PM, lowest 7 miles Sat 7 AM.

FriSat

Airfield

Code
NRA
ICAO
KNRA
IATA
-
Field elevation
199 ft
Serves
Coupeville
Kind
Small airport
Scheduled service
No
Its own instrument
NRA
Wind now
Calm, read 16 Oct, 00:07

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
14 / 325,400 ft200 ftConcrete158° / 338°CalmCalm
14322,000 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 Coupeville Naval (NRA), Coupeville Nolf Airport's own instrument, measure by measure, on the field's own clock.

Temperature

44 F at 12 AM; 64 F at its warmest, 3 PM Thursday, and 42 F at its coolest, 1 AM Thursday.

Now
44F
12 AM
Highest
64F
3 PM Thursday
Lowest
42F
1 AM Thursday
Temperature and Dew point at Coupeville Naval, temperature from 42.0 to 64.0, the latest 43.5; dew point from 41.8 to 51.0, the latest 43.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF405060703 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 43 F, the air 98% saturated; the humidity ran from 56% at 3 PM Thursday to 100% at 2 AM Thursday.

Dew point now
43F
12 AM
Humidity now
98%
Humidity, range
56 to 100%
Relative humidity at Coupeville Naval, relative humidity from 56 to 100, the latest 98, in per cent.RELATIVE HUMIDITY%4060801003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Wind

Calm at 12 AM; at its strongest 7 mph, 2 PM Thursday, and no gust reported.

Now
0mph
calm
Strongest
7mph
2 PM Thursday
Highest gust
-
none reported
Wind at Coupeville Naval, wind from 0 to 7, the latest 0, in miles an hour.WINDmph024683 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Wind direction at Coupeville Naval, wind direction from 10 to 360, the latest 310, 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

30.26 inHg at 12 AM, steady over 3 hours; 0.13 inHg lower than a day before.

Now
30.26inHg
12 AM
3 hours
-0.02inHg
steady
24 hours
-0.13inHg
Pressure, altimeter at Coupeville Naval, pressure, altimeter from 30.26 to 30.43, the latest 30.26, in inches of mercury.PRESSURE, ALTIMETERinHg30.2530.3030.3530.4030.453 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Visibility

Down to 0.5 miles at 1 AM Thursday, under a mile for 4 hours; 0.8 miles now.

Now
0.8mi
Lowest
0.5mi
1 AM Thursday
Hours under a mile
4
Visibility at Coupeville Naval, visibility from 0.5 to 10.0, the latest 0.8, in miles.VISIBILITYmi02.557.5103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 200 ft at 6 AM Thursday; a base was reported in 11 of the hours.

Lowest base now
200ft
Lowest in 24 hours
200ft
6 AM Thursday
Hours with a base reported
11
Lowest cloud base at Coupeville Naval, lowest cloud base from 200 to 800, the latest 200, in feet.LOWEST CLOUD BASEft2004006008003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFR

How it is measured: Cloud classification, Field Book FB-SKY-001

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

Coupeville Naval: 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 Coupeville Nolf Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now3 instruments

Coupeville NavalNRA

At an airfield/0.4 mi away/190 ft/9 ft below here

temp, wind, gust, visibility, precip, pressure

Diamond Point GardinerTDIAM

Beside a road/17.6 mi away/279 ft/80 ft above here

temp, pavement temp, wind, visibility, precip

Snow CreekSNWW1

At a river or reservoir gauge/18.3 mi away/56 ft/143 ft below here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Coupeville 4.1 ESEWA-IS-12

In a volunteer observer's own ground/1.7 mi away/25 ft/174 ft below here

precip, snowfall, snow depth

Chimacum 4 Mi SCHMW1

At a cooperative observer's station/17.9 mi away/173 ft/26 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Washington

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

Near Coupeville Nolf Airport

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

Near Coupeville Nolf Airport