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Tom B. David Field, Georgia

Small airport in Gordon County, Georgia

Air quality

The air at Tom B. David Field

Index 54, moderate, led by fine particles. Read at 3 AM from its reporting area, Rome (GA), 26 miles off.

54Moderate
  • Fine particles (PM2.5)54Moderate-

The days ahead

Yesterday measured 47, good.

Smoke, the next 41 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 44 or under.

FriSat

Precipitation

What has fallen at Tom B. David Field

None in the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Tom B. David Field, the next 41 hours

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

FriSat

Airfield

Code
CZL
ICAO
KCZL
IATA
-
Field elevation
647 ft
Serves
Calhoun
Kind
Small airport
Scheduled service
No
Its own instrument
CZL
Wind now
Calm, read 16 Oct, 03:35

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
17 / 356,034 ft100 ftAsphalt168° / 348°CalmCalm
17352,000 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 Calhoun (CZL), Tom B. David Field's own instrument, measure by measure, on the field's own clock.

Temperature

65 F at 3 AM; 90 F at its warmest, 4 PM Thursday, and 63 F at its coolest, 5 AM Thursday.

Now
65F
3 AM
Highest
90F
4 PM Thursday
Lowest
63F
5 AM Thursday
Temperature and Dew point at Calhoun, temperature from 62.6 to 89.6, the latest 65.0; dew point from 59.0 to 68.6, the latest 61.4, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF50607080906 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 61 F, the air 88% saturated; the humidity ran from 45% at 4 PM Thursday to 88% at 11 PM Thursday.

Dew point now
61F
3 AM
Humidity now
88%
Humidity, range
45 to 88%
Relative humidity at Calhoun, relative humidity from 45 to 88, the latest 88, in per cent.RELATIVE HUMIDITY%4060801006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Wind

Calm at 3 AM; at its strongest 4 mph, 12 PM Thursday, and no gust reported.

Now
0mph
calm
Strongest
4mph
12 PM Thursday
Highest gust
-
none reported
Wind at Calhoun, wind from 0 to 4, the latest 0, in miles an hour.WINDmph02466 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
Wind direction at Calhoun, wind direction from 170 to 320, the latest 170, 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

30.07 inHg at 3 AM, steady over 3 hours; 0.05 inHg lower than a day before.

Now
30.07inHg
3 AM
3 hours
+0.01inHg
steady
24 hours
-0.05inHg
Pressure, altimeter at Calhoun, pressure, altimeter from 30.05 to 30.16, the latest 30.07, in inches of mercury.PRESSURE, ALTIMETERinHg30.0530.1030.1530.206 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Visibility

Down to 5 miles at 2 AM; 8 miles now.

Now
8mi
Lowest
5mi
2 AM
Hours under a mile
0
Visibility at Calhoun, visibility from 5.0 to 10.0, the latest 8.0, 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 200 ft at 7 AM Thursday; a base was reported in 7 of the hours.

Lowest base now
-
Lowest in 24 hours
200ft
7 AM Thursday
Hours with a base reported
7
Lowest cloud base at Calhoun, lowest cloud base from 200 to 5,000, the latest 5,000, in feet.LOWEST CLOUD BASEft02,0004,0006,0006 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

Calhoun: 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 Tom B. David Field, 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

CalhounCZL

At an airfield/0.0 mi away/636 ft/11 ft below here

temp, wind, gust, visibility, precip, pressure

I75 @ SR140GA327

Beside a road/5.6 mi away/781 ft/134 ft above here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Calhoun 0.6 ESEGA-GD-5

In a volunteer observer's own ground/2.4 mi away/670 ft/23 ft above here

precip, snowfall, snow depth

AdairsvilleADAG1

At a cooperative observer's station/9.7 mi away/981 ft/334 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Georgia

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

Near Tom B. David Field

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

Near Tom B. David Field