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Williamson Sodus Airport, New York

Small airport in Wayne County, New York

Air quality

The air at Williamson Sodus Airport

Index 20, good, led by ozone. Read at 2 AM from its reporting area, Eastern Lake Ontario Region (NY), 25 miles off.

20Good
  • Fine particles (PM2.5)18Good22.3 mi
  • Ozone20Good21 ppb2.7 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 28, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Williamson Sodus Airport

0.02 in in the last 24 hours, 0.03 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.03in

Visibility

How far you can see at Williamson Sodus Airport, the next 42 hours

Mist or haze: visibility falls to 1 miles Fri 4 AM.

FriSat

Airfield

Code
SDC
ICAO
KSDC
IATA
-
Field elevation
424 ft
Serves
Williamson/Sodus
Kind
Small airport
Scheduled service
No
Its own instrument
SDC
Wind now
From 160° at 8 mph, read 16 Oct, 00:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
10 / 283,803 ft60 ftAsphalt89° / 269°3 mph head, on 108 mph from the right
10281,000 ftN160° 8 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 Williamson (SDC), Williamson Sodus Airport's own instrument, measure by measure, on the field's own clock.

Temperature

55 F at 12 AM; 55 F at its warmest, 12 AM, and 50 F at its coolest, 5 AM Thursday.

Now
55F
12 AM
Highest
55F
12 AM
Lowest
50F
5 AM Thursday
Temperature and Dew point at Williamson, temperature from 50.0 to 54.8, the latest 54.8; dew point from 37.4 to 45.8, the latest 45.8, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF35404550556 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 46 F, the air 72% saturated; the humidity ran from 56% at 12 PM Thursday to 78% at 5 AM Thursday.

Dew point now
46F
12 AM
Humidity now
72%
Humidity, range
56 to 78%
Relative humidity at Williamson, relative humidity from 56 to 78, the latest 72, in per cent.RELATIVE HUMIDITY%506070806 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Wind

9 mph from the south southeast at 12 AM; at its strongest 9 mph, 12 AM, with a gust of 18 mph at 12 AM.

Now
9mph
from the south southeast
Strongest
9mph
12 AM
Highest gust
18mph
12 AM
Wind and Gust at Williamson, wind from 0 to 9, the latest 9; gust from 16 to 18, the latest 18, in miles an hour.WIND AND GUSTmph051015206 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMWINDGUST
Wind direction at Williamson, wind direction from 30 to 360, the latest 160, 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

29.83 inHg at 12 AM, falling 0.18 inHg over 3 hours; 0.43 inHg lower than a day before.

Now
29.83inHg
12 AM
3 hours
-0.18inHg
falling
24 hours
-0.43inHg
Pressure, altimeter at Williamson, pressure, altimeter from 29.83 to 30.32, the latest 29.83, in inches of mercury.PRESSURE, ALTIMETERinHg29.8030.0030.2030.406 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 Williamson, 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 1,900 ft at 5 AM Thursday; a base was reported in 12 of the hours.

Lowest base now
-
Lowest in 24 hours
1,900ft
5 AM Thursday
Hours with a base reported
12
Lowest cloud base at Williamson, lowest cloud base from 1,900 to 12,000, the latest 6,500, in feet.LOWEST CLOUD BASEft05,00010,00015,0006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMMVFRVFR

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

Williamson: 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 Williamson Sodus 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

WilliamsonSDC

At an airfield/0.0 mi away/419 ft/5 ft below here

temp, wind, gust, visibility, precip, pressure

Geneva #1S2011

At a soil climate station/24.7 mi away/725 ft/301 ft above here

temp, humidity, soil temp, soil moisture

measured daily2 instruments

Sodus 1WSDSN6

At a cooperative observer's station/1.8 mi away/462 ft/38 ft above here

snowfall, snow depth, precip, high, low

Williamson 0.4 WNY-WN-25

In a volunteer observer's own ground/3.8 mi away/448 ft/24 ft above here

precip, snowfall, snow depth

-

Snow on the ground

Elsewhere in New York

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

Near Williamson Sodus Airport

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

Near Williamson Sodus Airport