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Jefferson City Memorial Airport, Missouri

Small airport in Callaway County, Missouri

Air quality

The air at Jefferson City Memorial Airport

Index 11, good, led by ozone. Read at 10 PM from its reporting area, Jefferson City (MO), 9 miles off.

11Good
  • Ozone11Good9 ppb8.8 mi

The days ahead

Yesterday measured 18, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Jefferson City Memorial Airport

0.61 in in the last 24 hours, 1.20 in over the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.61in
Last 3 days
1.20in

Visibility

How far you can see at Jefferson City Memorial Airport, the next 46 hours

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

FriSat

Airfield

Code
JEF
ICAO
KJEF
IATA
JEF
Field elevation
549 ft
Serves
Jefferson City
Kind
Small airport
Scheduled service
No
Its own instrument
JEF
Wind now
From 310° at 12 mph, read 15 Oct, 22:06

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
09 / 273,401 ft75 ftConcrete91° / 271°9 mph head, on 278 mph from the right
12 / 306,000 ft100 ftAsphalt122° / 302°12 mph head, on 302 mph from the right
092712302,000 ftN310° 12 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 Jefferson City (JEF), Jefferson City Memorial Airport's own instrument, measure by measure, on the field's own clock.

Temperature

58 F at 10 PM; 79 F at its warmest, 1 PM, and 58 F at its coolest, 10 PM.

Now
58F
10 PM
Highest
79F
1 PM
Lowest
58F
10 PM
Temperature and Dew point at Jefferson City, temperature from 58.0 to 79.0, the latest 58.0; dew point from 55.0 to 71.5, the latest 55.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF50607080Oct 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 55 F, the air 90% saturated; the humidity ran from 67% at 3 PM to 100% at 3 AM.

Dew point now
55F
10 PM
Humidity now
90%
Humidity, range
67 to 100%
Relative humidity at Jefferson City, relative humidity from 67 to 100, the latest 90, in per cent.RELATIVE HUMIDITY%60708090100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

12 mph from the northwest at 10 PM; at its strongest 15 mph, 8 PM, with a gust of 37 mph at 7 PM.

Now
12mph
from the northwest
Strongest
15mph
8 PM
Highest gust
37mph
7 PM
Wind and Gust at Jefferson City, wind from 1 to 15, the latest 12; gust from 17 to 37, the latest 31, in miles an hour.WIND AND GUSTmph010203040Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Jefferson City, wind direction from 100 to 320, the latest 310, 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

30.10 inHg at 10 PM, rising 0.11 inHg over 3 hours; 0.04 inHg higher than a day before.

Now
30.10inHg
10 PM
3 hours
+0.11inHg
rising
24 hours
+0.04inHg
Pressure, altimeter at Jefferson City, pressure, altimeter from 29.93 to 30.10, the latest 30.10, 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 0.8 miles at 7 AM, under a mile for 1 hour; 10 miles or more now.

Now
10+mi
Lowest
0.8mi
7 AM
Hours under a mile
1
Visibility at Jefferson City, visibility from 0.8 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 400 ft at 9 AM; a base was reported in 24 of the hours.

Lowest base now
1,400ft
Lowest in 24 hours
400ft
9 AM
Hours with a base reported
24
Lowest cloud base at Jefferson City, lowest cloud base from 400 to 5,500, the latest 1,400, 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

0.70 in measured in the gauge, the most, 0.48 in, in the hour to 7 AM.

Last 24 hours
0.70in
Wettest hour
0.48in
7 AM
Hours with some
11
Precipitation at Jefferson City, precipitation from 0.00 to 0.48, the latest trace, in inches.PRECIPITATIONin0.000.200.400.60Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Jefferson City: 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 Jefferson City Memorial 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

Jefferson CityJEF

At an airfield/0.0 mi away/551 ft/2 ft above here

temp, wind, gust, visibility, precip, pressure

Carver FarmS2223

At a soil climate station/4.5 mi away/581 ft/32 ft above here

temp, humidity, soil temp, soil moisture

measured daily2 instruments

Water PlantJWPM7

At a cooperative observer's station/0.6 mi away/558 ft/9 ft above here

snowfall, snow depth, precip, high, low

Jefferson City 1.1 NMO-CE-2

In a volunteer observer's own ground/1.7 mi away/656 ft/107 ft above here

precip, snowfall, snow depth

-

Snow on the ground

Elsewhere in Missouri

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

Near Jefferson City Memorial Airport

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

Near Jefferson City Memorial Airport