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Shelby Airport, Montana

Small airport in Toole County, Montana

Air quality

The air at Shelby Airport

Index 17, good, led by fine particles. Read at 3 AM from its reporting area, Cut Bank (MT), 23 miles off.

17Good
  • Fine particles (PM2.5)17Good-

The days ahead

Yesterday measured 21, good.

Smoke, the next 46 hours

Little smoke near the ground through Sun 12 AM: the index from smoke stays at 28 or under.

FriSat

Precipitation

What has fallen at Shelby Airport

None in the last 3 days, to Fri 2 AM. 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 Shelby Airport, the next 46 hours

Visibility stays 7 miles or more through Sun 12 AM, lowest 7 miles Fri 9 AM.

FriSat

Airfield

Code
SBX
ICAO
KSBX
IATA
SBX
Field elevation
3,443 ft
Serves
Shelby
Kind
Small airport
Scheduled service
No
Its own instrument
SBX
Wind now
From 110° at 12 mph, read 16 Oct, 03:35

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
05 / 235,005 ft75 ftAsphalt64° / 244°8 mph head, on 059 mph from the right
11 / 293,701 ft60 ftAsphalt129° / 309°11 mph head, on 114 mph from the left
052311292,000 ftN110° 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 Shelby (SBX), Shelby Airport's own instrument, measure by measure, on the field's own clock.

Temperature

32 F at 3 AM; 52 F at its warmest, 3 PM Thursday, and 31 F at its coolest, 2 AM.

Now
32F
3 AM
Highest
52F
3 PM Thursday
Lowest
31F
2 AM
Temperature and Dew point at Shelby, temperature from 31.4 to 51.8, the latest 32.0; dew point from 24.8 to 35.6, the latest 32.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF20304050606 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMFREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 32 F, the air 100% saturated; the humidity ran from 39% at 1 PM Thursday to 100% at 1 AM.

Dew point now
32F
3 AM
Humidity now
100%
Humidity, range
39 to 100%
Relative humidity at Shelby, relative humidity from 39 to 100, the latest 100, in per cent.RELATIVE HUMIDITY%204060801006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Wind

11 mph from the east southeast at 3 AM; at its strongest 11 mph, 3 AM, with a gust of 17 mph at 4 PM Thursday.

Now
11mph
from the east southeast
Strongest
11mph
3 AM
Highest gust
17mph
4 PM Thursday
Wind and Gust at Shelby, wind from 0 to 11, the latest 11; gust from 12 to 17, the latest 15, in miles an hour.WIND AND GUSTmph051015206 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMWINDGUST
Wind direction at Shelby, wind direction from 100 to 330, the latest 110, 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

30.50 inHg at 3 AM, falling 0.07 inHg over 3 hours; 0.12 inHg lower than a day before.

Now
30.50inHg
3 AM
3 hours
-0.07inHg
falling
24 hours
-0.12inHg
Pressure, altimeter at Shelby, pressure, altimeter from 30.50 to 30.73, the latest 30.50, in inches of mercury.PRESSURE, ALTIMETERinHg30.5030.6030.7030.806 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Visibility

10 miles or more every hour.

Now
10+mi
Lowest
10+mi
Hours under a mile
0
Visibility at Shelby, visibility from 10.0 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 5,500 ft at 8 AM Thursday; a base was reported in 7 of the hours.

Lowest base now
-
Lowest in 24 hours
5,500ft
8 AM Thursday
Hours with a base reported
7
Lowest cloud base at Shelby, lowest cloud base from 5,500 to 7,000, the latest 5,500, in feet.LOWEST CLOUD BASEft5,5006,0006,5007,0006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMVFR

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

Shelby: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 6 instruments nearest Shelby Airport, 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 now4 instruments

ShelbySBX

At an airfield/0.0 mi away/3,428 ft/15 ft below here

temp, wind, gust, visibility, precip, pressure

Conrad Ag Rc ScanCOAM8

At a river or reservoir gauge/16.5 mi away/3,706 ft/263 ft above here

temp, wind, gust, humidity, pressure

Conrad Ag RcS2117

At a soil climate station/16.5 mi away/3,706 ft/263 ft above here

temp, humidity, soil temp, soil moisture

Valier Jct 1-15 MP 347.0MTVAR

Beside a road/17.4 mi away/3,668 ft/225 ft above here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Shelby 0.4 SWMT-TL-1

In a volunteer observer's own ground/2.5 mi away/3,317 ft/126 ft below here

precip, snowfall, snow depth

ShelbySLBM8

At a cooperative observer's station/2.6 mi away/3,278 ft/165 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Shelby (SLBM8), 2.6 miles from here, read 15 Oct, 09:00. measured daily

Elsewhere in Montana

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

Near Shelby Airport

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

Near Shelby Airport