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Mason Jewett Field, Michigan

Small airport in Ingham County, Michigan

Air quality

The air at Mason Jewett Field

Index 35, good, led by fine particles. Read at 1 AM from its reporting area, Lansing (MI), 21 miles off.

35Good
  • Fine particles (PM2.5)35Good15.1 mi
  • Ozone17Good11 ppb15.1 mi
  • Coarse particles (PM10)9Good15.1 mi
  • Nitrogen dioxide4Good4.2 ppb15.1 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 22, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Mason Jewett Field

0.07 in in the last 24 hours, 0.19 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.07in
Last 3 days
0.19in

Visibility

How far you can see at Mason Jewett Field, the next 43 hours

Visibility stays 7 miles or more through Sat 8 PM, lowest 7 miles Fri 6 PM.

FriSat

Airfield

Code
TEW
ICAO
KTEW
IATA
-
Field elevation
920 ft
Serves
Mason
Kind
Small airport
Scheduled service
No
Its own instrument
TEW
Wind now
From 250° at 12 mph, read 16 Oct, 01:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
10 / 28 unlit4,002 ft75 ftAsphalt90° / 270°11 mph head, on 284 mph from the left
10281,000 ftN250° 12 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 Mason (TEW), Mason Jewett Field's own instrument, measure by measure, on the field's own clock.

Temperature

66 F at 1 AM; 66 F at its warmest, 1 AM, and 49 F at its coolest, 3 AM Thursday.

Now
66F
1 AM
Highest
66F
1 AM
Lowest
49F
3 AM Thursday
Temperature and Dew point at Mason, temperature from 48.7 to 66.4, the latest 66.4; dew point from 45.4 to 63.5, the latest 63.5, 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 64 F, the air 90% saturated; the humidity ran from 60% at 1 PM Thursday to 92% at 12 AM.

Dew point now
64F
1 AM
Humidity now
90%
Humidity, range
60 to 92%
Relative humidity at Mason, relative humidity from 60 to 92, the latest 90, in per cent.RELATIVE HUMIDITY%607080901003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Wind

9 mph from the west southwest at 1 AM; at its strongest 9 mph, 10 PM Thursday, with a gust of 23 mph at 11 PM Thursday.

Now
9mph
from the west southwest
Strongest
9mph
10 PM Thursday
Highest gust
23mph
11 PM Thursday
Wind and Gust at Mason, wind from 1 to 9, the latest 9; gust from 17 to 23, the latest 17, in miles an hour.WIND AND GUSTmph01020303 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16WINDGUST
Wind direction at Mason, wind direction from 30 to 250, the latest 250, 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

29.66 inHg at 1 AM, falling 0.07 inHg over 3 hours; 0.56 inHg lower than a day before.

Now
29.66inHg
1 AM
3 hours
-0.07inHg
falling
24 hours
-0.56inHg
Pressure, altimeter at Mason, pressure, altimeter from 29.66 to 30.22, the latest 29.66, in inches of mercury.PRESSURE, ALTIMETERinHg29.6029.8030.0030.2030.403 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Visibility

Down to 3 miles at 12 AM; 4 miles now.

Now
4mi
Lowest
3mi
12 AM
Hours under a mile
0
Visibility at Mason, visibility from 3.0 to 10.0, the latest 4.0, in miles.VISIBILITYmi02.557.5103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 400 ft at 12 AM; a base was reported in 23 of the hours.

Lowest base now
-
Lowest in 24 hours
400ft
12 AM
Hours with a base reported
23
Lowest cloud base at Mason, lowest cloud base from 400 to 3,100, the latest 600, in feet.LOWEST CLOUD BASEft01,0002,0003,0004,0003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFRMVFRVFR

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

Mason: 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 Mason Jewett 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 now2 instruments

MasonTEW

At an airfield/0.0 mi away/919 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

I96Mm0760MC149

Beside a road/32.1 mi away/761 ft/159 ft below here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Mason 0.4 SMI-IH-59

In a volunteer observer's own ground/1.3 mi away/985 ft/65 ft above here

precip, snowfall, snow depth

Eaton RapidsETNM4

At a cooperative observer's station/12.0 mi away/869 ft/51 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Eaton Rapids (ETNM4), 12.0 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Michigan

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

Near Mason Jewett Field

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

Near Mason Jewett Field