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Centralia Municipal Airport, Illinois

Small airport in Marion County, Illinois

Air quality

The air at Centralia Municipal Airport

Index 25, good, led by ozone. Read at 10 PM from its reporting area, St. Louis (Metro-east) (IL), 48 miles off.

25Good
  • Fine particles (PM2.5)18Good-
  • Ozone25Good-
  • Coarse particles (PM10)7Good-

The days ahead

Highest moderate, today, led by fine particles. Yesterday measured 39, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Centralia Municipal Airport

0.40 in in the last 24 hours, 0.85 in over the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.40in
Last 3 days
0.85in

Visibility

How far you can see at Centralia Municipal Airport, the next 46 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Thu 11 PM.

FriSat

Airfield

Code
ENL
ICAO
KENL
IATA
ENL
Field elevation
534 ft
Serves
Centralia
Kind
Small airport
Scheduled service
No
Its own instrument
ENL
Wind now
From 230° at 6 mph, read 15 Oct, 22:15

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
09 / 273,300 ft60 ftAsphalt87° / 267°5 mph head, on 274 mph from the left
18 / 365,001 ft75 ftAsphalt181° / 1°4 mph head, on 185 mph from the right
092718362,000 ftN230° 6 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 Centralia (ENL), Centralia Municipal Airport's own instrument, measure by measure, on the field's own clock.

Temperature

73 F at 10 PM; 81 F at its warmest, 4 PM, and 68 F at its coolest, 12 AM.

Now
73F
10 PM
Highest
81F
4 PM
Lowest
68F
12 AM
Temperature and Dew point at Centralia, temperature from 67.7 to 81.3, the latest 73.0; dew point from 67.1 to 75.1, the latest 71.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF6570758085Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 71 F, the air 93% saturated; the humidity ran from 72% at 4 PM to 99% at 8 AM.

Dew point now
71F
10 PM
Humidity now
93%
Humidity, range
72 to 99%
Relative humidity at Centralia, relative humidity from 72 to 99, the latest 93, in per cent.RELATIVE HUMIDITY%708090100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

6 mph from the southwest at 10 PM; at its strongest 14 mph, 3 PM, with a gust of 21 mph at 3 PM.

Now
6mph
from the southwest
Strongest
14mph
3 PM
Highest gust
21mph
3 PM
Wind and Gust at Centralia, wind from 0 to 14, the latest 6; gust from 20 to 21, the latest 20, in miles an hour.WIND AND GUSTmph0102030Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Centralia, wind direction from 60 to 260, the latest 230, 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

29.93 inHg at 10 PM, steady over 3 hours; 0.13 inHg lower than a day before.

Now
29.93inHg
10 PM
3 hours
+0.00inHg
steady
24 hours
-0.13inHg
Pressure, altimeter at Centralia, pressure, altimeter from 29.92 to 30.07, the latest 29.93, in inches of mercury.PRESSURE, ALTIMETERinHg29.9029.9530.0030.0530.10Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 0.3 miles at 4 AM, under a mile for 8 hours; 10 miles or more now.

Now
10+mi
Lowest
0.3mi
4 AM
Hours under a mile
8
Visibility at Centralia, visibility from 0.3 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 200 ft at 11 PM Wednesday; a base was reported in 24 of the hours.

Lowest base now
5,000ft
Lowest in 24 hours
200ft
11 PM Wednesday
Hours with a base reported
24
Lowest cloud base at Centralia, lowest cloud base from 200 to 5,500, the latest 5,000, in feet.LOWEST CLOUD BASEft02,0004,0006,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMMVFRVFR

How it is measured: Cloud classification, Field Book FB-SKY-001

Precipitation

0.04 in measured in the gauge, the most, 0.01 in, in the hour to 11 PM Wednesday.

Last 24 hours
0.04in
Wettest hour
0.01in
11 PM Wednesday
Hours with some
4
Precipitation at Centralia, precipitation from 0.00 to 0.01, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.10Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

How it is measured: ASOS, Field Book FB-INS-002

Centralia: 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 Centralia Municipal 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

CentraliaENL

At an airfield/0.0 mi away/535 ft/1 ft above here

temp, wind, gust, visibility, precip, pressure

US 50 at GreendaleMX9208

Beside a road/22.7 mi away/-/- ft from here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Centralia 1.6 WIL-CT-1

In a volunteer observer's own ground/3.6 mi away/492 ft/42 ft below here

precip, snowfall, snow depth

CentraliaCNTI2

At a cooperative observer's station/4.1 mi away/472 ft/62 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Illinois

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

Near Centralia Municipal Airport

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

Near Centralia Municipal Airport