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Langley Air Force Base, Virginia

Medium airport in Hampton city, Virginia

Air quality

The air at Langley Air Force Base

Index 31, good, led by ozone. Read at 6 AM from its reporting area, Hampton Roads (VA), 13 miles off.

31Good
  • Fine particles (PM2.5)17Good-
  • Ozone31Good-
  • Coarse particles (PM10)8Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 61, moderate.

Smoke, the next 45 hours

No smoke near the ground through Mon 2 AM.

SatSun

Precipitation

What has fallen at Langley Air Force Base

None in the last 3 days, to Sat 5 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 Langley Air Force Base, the next 45 hours

Mist or haze: visibility falls to 2 miles Sat 11 AM.

SatSun

Airfield

Code
LFI
ICAO
KLFI
IATA
LFI
Field elevation
11 ft
Serves
Hampton
Kind
Medium airport
Scheduled service
No
Its own instrument
LFI
Wind now
From 320° at 14 mph, read 17 Oct, 06:14

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
08 / 2610,002 ft150 ftConcrete67° / 247°4 mph head, on 2613 mph from the right
08262,500 ftN320° 14 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 Langley AFB/Hampton (LFI), Langley Air Force Base's own instrument, measure by measure, on the field's own clock.

Temperature

87 F at 3 PM; 87 F at its warmest, 3 PM, and 68 F at its coolest, 6 AM.

Now
87F
3 PM
Highest
87F
3 PM
Lowest
68F
6 AM
Temperature and Dew point at Langley AFB/Hampton, temperature from 67.8 to 86.7, the latest 86.7; dew point from 60.0 to 67.5, the latest 64.6, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF607080906 PM9 PMOct 163 AM6 AM9 AM12 PM3 PMTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 65 F, the air 48% saturated; the humidity ran from 48% at 3 PM to 89% at 7 AM.

Dew point now
65F
3 PM
Humidity now
48%
Humidity, range
48 to 89%
Relative humidity at Langley AFB/Hampton, relative humidity from 48 to 89, the latest 48, in per cent.RELATIVE HUMIDITY%4060801006 PM9 PMOct 163 AM6 AM9 AM12 PM3 PM

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

Wind

17 mph from the south at 3 PM; at its strongest 17 mph, 3 PM, with a gust of 22 mph at 2 PM.

Now
17mph
from the south
Strongest
17mph
3 PM
Highest gust
22mph
2 PM
Wind at Langley AFB/Hampton, wind from 5 to 17, the latest 17, in miles an hour.WINDmph051015206 PM9 PMOct 163 AM6 AM9 AM12 PM3 PM
Wind direction at Langley AFB/Hampton, wind direction from 60 to 230, the latest 190, in degrees.WIND DIRECTION°0901802703606 PM9 PMOct 163 AM6 AM9 AM12 PM3 PM

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

Pressure

29.78 inHg at 3 PM, falling 0.10 inHg over 3 hours; 0.34 inHg lower than a day before.

Now
29.78inHg
3 PM
3 hours
-0.10inHg
falling
24 hours
-0.34inHg
Pressure, altimeter at Langley AFB/Hampton, pressure, altimeter from 29.78 to 30.12, the latest 29.78, in inches of mercury.PRESSURE, ALTIMETERinHg29.7029.8029.9030.0030.1030.206 PM9 PMOct 163 AM6 AM9 AM12 PM3 PM

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

Visibility

Down to 6 miles at 3 AM; 8 miles now.

Now
8mi
Lowest
6mi
3 AM
Hours under a mile
0
Visibility at Langley AFB/Hampton, visibility from 6.0 to 10.0, the latest 8.0, in miles.VISIBILITYmi02.557.5106 PM9 PMOct 163 AM6 AM9 AM12 PM3 PMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 600 ft at 5 AM; a base was reported in 23 of the hours.

Lowest base now
-
Lowest in 24 hours
600ft
5 AM
Hours with a base reported
23
Lowest cloud base at Langley AFB/Hampton, lowest cloud base from 600 to 25,000, the latest 25,000, in feet.LOWEST CLOUD BASEft010,00020,00030,0006 PM9 PMOct 163 AM6 AM9 AM12 PM3 PMVFR

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

Langley AFB/Hampton: 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 Langley Air Force Base, 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 now3 instruments

Langley AFB/HamptonLFI

At an airfield/0.0 mi away/10 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

Lynn Shores - Thalia CreekTHAV2

At a river or reservoir gauge/21.1 mi away/14 ft/3 ft above here

temp, wind, gust, humidity, pressure

Cape Charles 5 ENE03739

At a climate reference station/28.2 mi away/29 ft/18 ft above here

temp, humidity, wind, solar, precip

measured daily2 instruments

Hampton 3.0 WNWVA-HMC-27

In a volunteer observer's own ground/1.5 mi away/6 ft/5 ft below here

precip, snowfall, snow depth

NorfolkNFKV2

At a cooperative observer's station/16.4 mi away/30 ft/19 ft above here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Norfolk (NFKV2), 16.4 miles from here, read 16 Oct, 23:59. measured daily

Elsewhere in Virginia

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

Near Langley Air Force Base

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

Near Langley Air Force Base