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Pierce County-Thun Field, Washington

Small airport in Pierce County, Washington

Air quality

The air at Pierce County-Thun Field

Index 63, moderate, led by fine particles. Read at 4 AM from its reporting area, Tacoma-Puyallup (WA), 10 miles off.

63Moderate
  • Fine particles (PM2.5)63Moderate9.7 mi
  • Nitrogen dioxide10Good11.8 ppb11.9 mi

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 48, good.

Smoke, the next 44 hours

Little smoke near the ground through Sat 11 PM: the index from smoke stays at 39 or under.

FriSat

Precipitation

What has fallen at Pierce County-Thun Field

None in the last 24 hours; 0.03 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.03in

Visibility

How far you can see at Pierce County-Thun Field, the next 44 hours

Visibility stays 3 miles or more through Sat 11 PM, lowest 4 miles Sat 4 AM.

FriSat

Airfield

Code
PLU
ICAO
KPLU
IATA
-
Field elevation
538 ft
Serves
Puyallup
Kind
Small airport
Scheduled service
No
Its own instrument
PLU
Wind now
Calm, read 16 Oct, 03:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
17 / 35 unlit3,651 ft60 ftAsphalt180° / 0°CalmCalm
17351,000 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 Puyallup (PLU), Pierce County-Thun Field's own instrument, measure by measure, on the field's own clock.

Temperature

43 F at 4 AM; 68 F at its warmest, 4 PM Thursday, and 43 F at its coolest, 4 AM.

Now
43F
4 AM
Highest
68F
4 PM Thursday
Lowest
43F
4 AM
Temperature and Dew point at Puyallup, temperature from 42.8 to 68.0, the latest 42.8; dew point from 42.8 to 55.4, the latest 42.8, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF405060706 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMTEMPERATUREDEW 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 100% saturated; the humidity ran from 57% at 4 PM Thursday to 100% at 5 AM Thursday.

Dew point now
43F
4 AM
Humidity now
100%
Humidity, range
57 to 100%
Relative humidity at Puyallup, relative humidity from 57 to 100, the latest 100, in per cent.RELATIVE HUMIDITY%4060801006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Wind

Calm at 4 AM; at its strongest 2 mph, 5 PM Thursday, and no gust reported.

Now
0mph
calm
Strongest
2mph
5 PM Thursday
Highest gust
-
none reported
Wind at Puyallup, wind from 0 to 2, the latest 0, in miles an hour.WINDmph01236 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
Wind direction at Puyallup, wind direction from 10 to 310, the latest 310, in degrees.WIND DIRECTION°0901802703606 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Pressure

30.21 inHg at 4 AM, falling 0.03 inHg over 3 hours; 0.18 inHg lower than a day before.

Now
30.21inHg
4 AM
3 hours
-0.03inHg
falling
24 hours
-0.18inHg
Pressure, altimeter at Puyallup, pressure, altimeter from 30.21 to 30.40, the latest 30.21, in inches of mercury.PRESSURE, ALTIMETERinHg30.2030.2530.3030.3530.406 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Visibility

Down to 0.3 miles at 5 AM Thursday, under a mile for 5 hours; 10 miles or more now.

Now
10+mi
Lowest
0.3mi
5 AM Thursday
Hours under a mile
5
Visibility at Puyallup, visibility from 0.3 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 200 ft at 5 AM Thursday; a base was reported in 10 of the hours.

Lowest base now
-
Lowest in 24 hours
200ft
5 AM Thursday
Hours with a base reported
10
Lowest cloud base at Puyallup, lowest cloud base from 200 to 4,700, the latest 4,700, in feet.LOWEST CLOUD BASEft02,0004,0006,0006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMMVFRVFR

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

Puyallup: 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 Pierce County-Thun Field, 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

PuyallupPLU

At an airfield/0.0 mi away/538 ft/level with here

temp, wind, gust, visibility, precip, pressure

measured daily2 instruments

Mcmillin ReservoirMMLW1

At a reservoir/2.6 mi away/564 ft/26 ft above here

snowfall, snow depth, precip, high, low

South Hill 3.3 WSWWA-PR-27

In a volunteer observer's own ground/3.0 mi away/473 ft/65 ft below here

precip, snowfall, snow depth

-

Snow on the ground

Elsewhere in Washington

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

Near Pierce County-Thun Field

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

Near Pierce County-Thun Field