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Jack Barstow Airport, Michigan

Small airport in Midland County, Michigan

Air quality

The air at Jack Barstow Airport

Index 23, good, led by fine particles. Read at 2 AM from its reporting area, Bay Area-Thumb Area (MI), 32 miles off.

23Good
  • Fine particles (PM2.5)23Good19.5 mi
  • Ozone21Good-

The days ahead

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

Smoke, the next 42 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Jack Barstow Airport

0.13 in in the last 24 hours, and none in the 2 days before, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.13in
Last 3 days
0.13in

Visibility

How far you can see at Jack Barstow Airport, the next 42 hours

Mist or haze: visibility falls to 2 miles Fri 3 AM.

FriSat

Airfield

Code
IKW
ICAO
KIKW
IATA
-
Field elevation
635 ft
Serves
Midland
Kind
Small airport
Scheduled service
No
Its own instrument
IKW
Wind now
From 220° at 3 mph, read 16 Oct, 02:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
06 / 243,801 ft75 ftAsphalt60° / 240°3 mph head, on 241 mph from the left
18 / 363,001 ft75 ftAsphalt180° / 0°2 mph head, on 182 mph from the right
062418361,000 ftN220° 3 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 Midland (IKW), Jack Barstow Airport's own instrument, measure by measure, on the field's own clock.

Temperature

54 F at 3 AM; 57 F at its warmest, 12 PM Thursday, and 49 F at its coolest, 7 AM Thursday.

Now
54F
3 AM
Highest
57F
12 PM Thursday
Lowest
49F
7 AM Thursday
Temperature and Dew point at Midland, temperature from 48.8 to 57.2, the latest 53.6; dew point from 42.8 to 51.8, the latest 51.8, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF40455055606 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 52 F, the air 94% saturated; the humidity ran from 63% at 12 PM Thursday to 94% at 11 PM Thursday.

Dew point now
52F
3 AM
Humidity now
94%
Humidity, range
63 to 94%
Relative humidity at Midland, relative humidity from 63 to 94, the latest 94, in per cent.RELATIVE HUMIDITY%607080901006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Wind

2 mph from the west southwest at 3 AM; at its strongest 9 mph, 12 PM Thursday, and no gust reported.

Now
2mph
from the west southwest
Strongest
9mph
12 PM Thursday
Highest gust
-
none reported
Wind at Midland, wind from 2 to 9, the latest 2, in miles an hour.WINDmph02468106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
Wind direction at Midland, wind direction from 10 to 360, the latest 250, 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

29.62 inHg at 3 AM, steady over 3 hours; 0.63 inHg lower than a day before.

Now
29.62inHg
3 AM
3 hours
-0.02inHg
steady
24 hours
-0.63inHg
Pressure, altimeter at Midland, pressure, altimeter from 29.62 to 30.25, the latest 29.62, in inches of mercury.PRESSURE, ALTIMETERinHg29.6029.8030.0030.2030.406 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Visibility

Down to 2 miles at 12 AM; 2 miles now.

Now
2mi
Lowest
2mi
12 AM
Hours under a mile
0
Visibility at Midland, visibility from 1.8 to 10.0, the latest 1.8, 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 1 AM; a base was reported in 24 of the hours.

Lowest base now
400ft
Lowest in 24 hours
200ft
1 AM
Hours with a base reported
24
Lowest cloud base at Midland, lowest cloud base from 200 to 3,100, the latest 400, in feet.LOWEST CLOUD BASEft01,0002,0003,0004,0006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMLIFRIFRMVFRVFR

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

Precipitation

0.10 in measured in the gauge, the most, 0.03 in, in the hour to 7 PM Thursday.

Last 24 hours
0.10in
Wettest hour
0.03in
7 PM Thursday
Hours with some
5
Precipitation at Midland, precipitation from 0.00 to 0.03, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

How it is measured: ASOS, Field Book FB-INS-002

Midland: 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 Jack Barstow Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now3 instruments

MidlandIKW

At an airfield/0.1 mi away/635 ft/level with here

temp, wind, gust, visibility, precip, pressure

B-8 US-10 at M-47MC119

Beside a road/7.5 mi away/666 ft/31 ft above here

temp, pavement temp, wind, visibility, precip

Alma [CCOOP]ALMM4

At a river or reservoir gauge/28.1 mi away/768 ft/133 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Midland 1.9 NNWMI-MD-19

In a volunteer observer's own ground/1.3 mi away/642 ft/7 ft above here

precip, snowfall, snow depth

MidlandMDLM4

At a cooperative observer's station/3.8 mi away/630 ft/5 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Midland (MDLM4), 3.8 miles from here, read 15 Oct, 23:58. measured daily

Elsewhere in Michigan

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

Near Jack Barstow Airport

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

Near Jack Barstow Airport