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North Air Force Auxillary Airfield, South Carolina

Small airport in Orangeburg County, South Carolina

Air quality

The air at North Air Force Auxillary Airfield

Index 76, moderate, led by fine particles. Read at 2 AM from its reporting area, Columbia (SC), 32 miles off.

76Moderate
  • Fine particles (PM2.5)76Moderate-
  • Ozone42Good-
  • Coarse particles (PM10)25Good-

The days ahead

Yesterday measured 87, moderate.

Smoke, the next 42 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 44 or under.

FriSat

Precipitation

What has fallen at North Air Force Auxillary Airfield

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 North Air Force Auxillary Airfield, the next 42 hours

Visibility stays 7 miles or more through Sat 8 PM, lowest 8 miles Fri 4 AM.

FriSat

Airfield

Code
XNO
ICAO
KXNO
IATA
-
Field elevation
321 ft
Serves
North
Kind
Small airport
Scheduled service
No
Its own instrument
XNO
Wind now
Calm, read 16 Oct, 02:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
05 / 23 unlit3,500 ft90 ftAsphalt44° / 224°CalmCalm
06 / 2410,003 ft150 ftAsphalt53° / 233°CalmCalm
052306242,500 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 North Air Force (XNO), North Air Force Auxillary Airfield's own instrument, measure by measure, on the field's own clock.

Temperature

68 F at 2 AM; 90 F at its warmest, 4 PM Thursday, and 62 F at its coolest, 4 AM Thursday.

Now
68F
2 AM
Highest
90F
4 PM Thursday
Lowest
62F
4 AM Thursday
Temperature and Dew point at North Air Force, temperature from 62.4 to 90.3, the latest 68.0; dew point from 59.5 to 66.0, the latest 66.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF50607080901006 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 66 F, the air 93% saturated; the humidity ran from 36% at 4 PM Thursday to 95% at 5 AM Thursday.

Dew point now
66F
2 AM
Humidity now
93%
Humidity, range
36 to 95%
Relative humidity at North Air Force, relative humidity from 36 to 95, the latest 93, 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

Calm at 2 AM; at its strongest 5 mph, 10 AM Thursday, and no gust reported.

Now
0mph
calm
Strongest
5mph
10 AM Thursday
Highest gust
-
none reported
Wind at North Air Force, wind from 0 to 5, the latest 0, in miles an hour.WINDmph02466 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
Wind direction at North Air Force, wind direction from 200 to 240, the latest 200, 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

30.05 inHg at 2 AM, steady over 3 hours; 0.02 inHg lower than a day before.

Now
30.05inHg
2 AM
3 hours
-0.01inHg
steady
24 hours
-0.02inHg
Pressure, altimeter at North Air Force, pressure, altimeter from 30.03 to 30.13, the latest 30.05, in inches of mercury.PRESSURE, ALTIMETERinHg30.0230.0530.0730.1030.1330.156 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 North Air Force, 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

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

North Air Force: 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 North Air Force Auxillary Airfield, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now4 instruments

North Air ForceXNO

At an airfield/0.8 mi away/300 ft/21 ft below here

temp, wind, gust, visibility, precip, pressure

Gadsden - Congaree SwampGDNS1

At a river or reservoir gauge/22.4 mi away/135 ft/186 ft below here

temp, wind, gust, humidity, pressure

Blackville 3 W63826

At a climate reference station/22.5 mi away/317 ft/4 ft below here

temp, humidity, wind, solar, precip

I-77 NB Safety CorridorSC027

Beside a road/24.3 mi away/144 ft/177 ft below here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

North 1.3 WNWSC-OR-46

In a volunteer observer's own ground/2.5 mi away/272 ft/49 ft below here

precip, snowfall, snow depth

Swansea 4NESWAS1

At a cooperative observer's station/10.4 mi away/316 ft/5 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in South Carolina

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

Near North Air Force Auxillary Airfield

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

Near North Air Force Auxillary Airfield