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Franklin County State Airport, Vermont

Small airport in Franklin County, Vermont

Air quality

The air at Franklin County State Airport

Index 19, good, led by ozone. Read at 11 PM from its reporting area, Burlington (VT), 33 miles off.

19Good
  • Fine particles (PM2.5)17Good-
  • Ozone19Good-
  • Coarse particles (PM10)9Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 16, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Franklin County State Airport

None in the last 24 hours; 3.00 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
3.00in

Visibility

How far you can see at Franklin County State Airport, the next 45 hours

Mist or haze: visibility falls to 2 miles Fri 6 AM.

FriSat

Airfield

Code
FSO
ICAO
KFSO
IATA
-
Field elevation
228 ft
Serves
Swanton
Kind
Small airport
Scheduled service
No
Its own instrument
FSO
Wind now
-

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
01 / 193,001 ft60 ftAsphalt355° / 175°--
01191,000 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 Highgate (FSO), Franklin County State Airport's own instrument, measure by measure, on the field's own clock.

Temperature

44 F at 8 PM Thursday; 55 F at its warmest, 2 PM Thursday, and 42 F at its coolest, 7 AM Thursday.

Now
44F
8 PM Thursday
Highest
55F
2 PM Thursday
Lowest
42F
7 AM Thursday
Temperature and Dew point at Highgate, temperature from 42.4 to 54.5, the latest 43.7; dew point from 31.6 to 45.5, the latest 37.1, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF304050603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16FREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 37 F, the air 77% saturated; the humidity ran from 42% at 3 PM Thursday to 82% at 7 PM Thursday.

Dew point now
37F
8 PM Thursday
Humidity now
77%
Humidity, range
42 to 82%
Relative humidity at Highgate, relative humidity from 42 to 82, the latest 77, in per cent.RELATIVE HUMIDITY%4060801003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Wind

5 mph from the east at 8 PM Thursday; at its strongest 5 mph, 11 AM Thursday, and no gust reported.

Now
5mph
from the east
Strongest
5mph
11 AM Thursday
Highest gust
-
none reported
Wind at Highgate, wind from 0 to 5, the latest 5, in miles an hour.WINDmph02463 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Wind direction at Highgate, wind direction from 70 to 360, the latest 100, in degrees.WIND DIRECTION°0901802703603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Pressure

30.17 inHg at 8 PM Thursday, falling 0.05 inHg over 3 hours; 0.06 inHg higher than a day before.

Now
30.17inHg
8 PM Thursday
3 hours
-0.05inHg
falling
24 hours
+0.06inHg
Pressure, altimeter at Highgate, pressure, altimeter from 30.11 to 30.32, the latest 30.17, in inches of mercury.PRESSURE, ALTIMETERinHg30.1030.2030.3030.403 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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 Highgate, visibility from 10.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 2,500 ft at 10 AM Thursday; a base was reported in 7 of the hours.

Lowest base now
-
Lowest in 24 hours
2,500ft
10 AM Thursday
Hours with a base reported
7
Lowest cloud base at Highgate, lowest cloud base from 2,500 to 3,100, the latest 2,500, in feet.LOWEST CLOUD BASEft2,4002,6002,8003,0003,2003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16MVFRVFR

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

Highgate: 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 Franklin County State 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

HighgateFSO

At an airfield/0.0 mi away/228 ft/level with here

temp, wind, gust, visibility, precip, pressure

RT 78 Alburg VtVT031

Beside a road/6.8 mi away/136 ft/92 ft below here

temp, pavement temp, wind, visibility, precip

Mount MansfieldS2041

At a soil climate station/30.8 mi away/2,236 ft/2,008 ft above here

temp, humidity, soil temp, soil moisture

measured daily2 instruments

Swanton 1.3 ENEVT-FR-10

In a volunteer observer's own ground/1.0 mi away/193 ft/35 ft below here

precip, snowfall, snow depth

Enosburg Falls 2ENFV1

At a cooperative observer's station/14.0 mi away/404 ft/176 ft above here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Enosburg Falls 2 (ENFV1), 14.0 miles from here, read 15 Oct, 04:35. measured daily

Elsewhere in Vermont

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

Near Franklin County State Airport

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

Near Franklin County State Airport