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Ronan Airport, Montana

Small airport in Lake County, Montana

Air quality

The air at Ronan Airport

Index 48, good, led by fine particles. Read at 9 PM from its reporting area, Seeley Lake (MT), 40 miles off.

48Good
  • Fine particles (PM2.5)48Good-

The days ahead

Yesterday measured 54, moderate.

Smoke, the next 46 hours

Little smoke near the ground through Sat 6 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Ronan Airport

None in the last 3 days, to Thu 8 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 Ronan Airport, the next 46 hours

Visibility stays 6 miles or more through Sat 6 PM, lowest 6 miles Fri 9 AM.

FriSat

Airfield

Code
7S0
ICAO
-
IATA
-
Field elevation
3,086 ft
Serves
Ronan
Kind
Small airport
Scheduled service
No
Its own instrument
7S0
Wind now
Calm, read 15 Oct, 21:15

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
16 / 344,798 ft75 ftAsphalt180° / 0°CalmCalm
16342,000 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 Ronanairport (7S0), Ronan Airport's own instrument, measure by measure, on the field's own clock.

Temperature

39 F at 9 PM; 60 F at its warmest, 3 PM, and 28 F at its coolest, 7 AM.

Now
39F
9 PM
Highest
60F
3 PM
Lowest
28F
7 AM
Temperature and Dew point at Ronanairport, temperature from 27.8 to 59.6, the latest 39.2; dew point from 27.8 to 39.8, the latest 35.6, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF2030405060Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMFREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 36 F, the air 87% saturated; the humidity ran from 40% at 4 PM to 100% at 3 AM.

Dew point now
36F
9 PM
Humidity now
87%
Humidity, range
40 to 100%
Relative humidity at Ronanairport, relative humidity from 40 to 100, the latest 87, in per cent.RELATIVE HUMIDITY%20406080100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

Calm at 9 PM; at its strongest 7 mph, 2 PM, and no gust reported.

Now
0mph
calm
Strongest
7mph
2 PM
Highest gust
-
none reported
Wind at Ronanairport, wind from 0 to 7, the latest 0, in miles an hour.WINDmph02468Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM
Wind direction at Ronanairport, wind direction from 10 to 340, the latest 30, in degrees.WIND DIRECTION°090180270360Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Pressure

30.58 inHg at 9 PM, steady over 3 hours; 0.21 inHg higher than a day before.

Now
30.58inHg
9 PM
3 hours
+0.00inHg
steady
24 hours
+0.21inHg
Pressure, altimeter at Ronanairport, pressure, altimeter from 30.37 to 30.63, the latest 30.58, in inches of mercury.PRESSURE, ALTIMETERinHg30.3030.4030.5030.6030.70Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 8 miles at 7 PM; 10 miles or more now.

Now
10+mi
Lowest
8mi
7 PM
Hours under a mile
0
Visibility at Ronanairport, visibility from 8.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

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

Ronanairport: 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 Ronan 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

Ronanairport7S0

At an airfield/0.1 mi away/3,079 ft/7 ft below here

temp, wind, gust, visibility, precip, pressure

Bisson Creek SnotelBISM8

A snow pillow on a mountain/9.4 mi away/4,920 ft/1,834 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Ronan 4.1 NEMT-LK-10

In a volunteer observer's own ground/2.7 mi away/3,412 ft/326 ft above here

precip, snowfall, snow depth

Polson Kerr DamKERM8

At a dam/10.1 mi away/2,733 ft/353 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Polson Kerr Dam (KERM8), 10.1 miles from here, read 15 Oct, 18:00. measured daily

Elsewhere in Montana

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

Near Ronan Airport

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

Near Ronan Airport