Storm Station
Sign in

Caledonia County Airport, Vermont

Small airport in Caledonia County, Vermont

Air quality

The air at Caledonia County Airport

Index 16, good, led by ozone. Read at 11 PM from its reporting area, Grafton County (NH), 45 miles off.

16Good
  • Fine particles (PM2.5)12Good-
  • Ozone16Good-

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 17, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Caledonia County Airport

None in the last 24 hours; 1.05 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
1.05in

Visibility

How far you can see at Caledonia County Airport, the next 46 hours

Mist or haze: visibility falls to 2 miles Fri 4 PM.

FriSat

Airfield

Code
CDA
ICAO
KCDA
IATA
LLX
Field elevation
1,188 ft
Serves
Lyndonville
Kind
Small airport
Scheduled service
No
Its own instrument
CDA
Wind now
Calm, read 15 Oct, 23:15

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
02 / 203,302 ft60 ftAsphalt9° / 189°CalmCalm
02201,000 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 Lyndonville (CDA), Caledonia County Airport's own instrument, measure by measure, on the field's own clock.

Temperature

35 F at 11 PM; 52 F at its warmest, 2 PM, and 35 F at its coolest, 11 PM.

Now
35F
11 PM
Highest
52F
2 PM
Lowest
35F
11 PM
Temperature and Dew point at Lyndonville, temperature from 34.7 to 52.3, the latest 34.7; dew point from 27.7 to 44.2, the latest 32.0, 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 32 F, the air 90% saturated; the humidity ran from 41% at 4 PM to 90% at 11 PM.

Dew point now
32F
11 PM
Humidity now
90%
Humidity, range
41 to 90%
Relative humidity at Lyndonville, relative humidity from 41 to 90, the latest 90, in per cent.RELATIVE HUMIDITY%406080100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

Calm at 11 PM; at its strongest 11 mph, 1 AM, with a gust of 23 mph at 2 AM.

Now
0mph
calm
Strongest
11mph
1 AM
Highest gust
23mph
2 AM
Wind and Gust at Lyndonville, wind from 0 to 11, the latest 0; gust from 16 to 23, the latest 16, in miles an hour.WIND AND GUSTmph0102030Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Lyndonville, wind direction from 10 to 340, the latest 50, 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

30.15 inHg at 11 PM, falling 0.04 inHg over 3 hours; 0.11 inHg higher than a day before.

Now
30.15inHg
11 PM
3 hours
-0.04inHg
falling
24 hours
+0.11inHg
Pressure, altimeter at Lyndonville, pressure, altimeter from 30.04 to 30.28, the latest 30.15, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.1030.2030.30Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 2 miles at 12 AM; 10 miles or more now.

Now
10+mi
Lowest
2mi
12 AM
Hours under a mile
0
Visibility at Lyndonville, visibility from 2.0 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

Cloud base

The lowest cloud base came down to 1,200 ft at 12 AM; a base was reported in 13 of the hours.

Lowest base now
-
Lowest in 24 hours
1,200ft
12 AM
Hours with a base reported
13
Lowest cloud base at Lyndonville, lowest cloud base from 1,200 to 3,500, the latest 3,500, in feet.LOWEST CLOUD BASEft1,0002,0003,0004,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMMVFRVFR

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

Lyndonville: 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 Caledonia County 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 now3 instruments

LyndonvilleCDA

At an airfield/0.0 mi away/1,188 ft/level with here

temp, wind, gust, visibility, precip, pressure

Rt 5A Westmore VTVT039

Beside a road/10.2 mi away/1,237 ft/49 ft above here

temp, pavement temp, wind, visibility, precip

NulheganNLHV1

At a river or reservoir gauge/20.8 mi away/1,234 ft/46 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Lyndonville 1.1 WVT-CL-14

In a volunteer observer's own ground/2.4 mi away/1,014 ft/174 ft below here

precip, snowfall, snow depth

SuttonSUTV1

At a cooperative observer's station/3.3 mi away/1,460 ft/272 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Vermont

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

Near Caledonia County Airport

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

Near Caledonia County Airport