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Tullahoma Regional Airport William Northern Field, Tennessee

Small airport in Coffee County, Tennessee

Air quality

The air at Tullahoma Regional Airport William Northern Field

Index 67, moderate, led by fine particles. Read at 10 PM from its reporting area, Chattanooga (TN), 55 miles off.

67Moderate
  • Fine particles (PM2.5)67Moderate-
  • Ozone30Good-

The days ahead

Highest 56, moderate, today, led by fine particles. Yesterday measured 80, moderate.

Smoke, the next 46 hours

Little smoke near the ground through Sat 7 PM: the index from smoke stays at 22 or under.

FriSat

Precipitation

What has fallen at Tullahoma Regional Airport William Northern Field

None in the last 3 days, to Thu 9 PM. 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 Tullahoma Regional Airport William Northern Field, the next 46 hours

Visibility stays 10 miles or more through Sat 7 PM.

FriSat

Airfield

Code
THA
ICAO
KTHA
IATA
THA
Field elevation
1,083 ft
Serves
Tullahoma
Kind
Small airport
Scheduled service
No
Its own instrument
THA
Wind now
Calm, read 15 Oct, 22:15

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
06 / 24 unlit5,501 ft100 ftAsphalt and concrete58° / 238°CalmCalm
09 / 27 unlit3,130 ft100 ftGRE89° / 269°CalmCalm
18 / 364,205 ft100 ftConcrete180° / 0°CalmCalm
0624092718362,000 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 Tullahoma (THA), Tullahoma Regional Airport William Northern Field's own instrument, measure by measure, on the field's own clock.

Temperature

64 F at 10 PM; 89 F at its warmest, 2 PM, and 64 F at its coolest, 10 PM.

Now
64F
10 PM
Highest
89F
2 PM
Lowest
64F
10 PM
Temperature and Dew point at Tullahoma, temperature from 64.4 to 89.0, the latest 64.4; dew point from 57.8 to 68.0, the latest 62.6, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF5060708090Oct 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 63 F, the air 94% saturated; the humidity ran from 35% at 2 PM to 100% at 3 AM.

Dew point now
63F
10 PM
Humidity now
94%
Humidity, range
35 to 100%
Relative humidity at Tullahoma, relative humidity from 35 to 100, the latest 94, in per cent.RELATIVE HUMIDITY%20406080100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

Calm at 10 PM; at its strongest 10 mph, 12 PM, with a gust of 17 mph at 3 PM.

Now
0mph
calm
Strongest
10mph
12 PM
Highest gust
17mph
3 PM
Wind and Gust at Tullahoma, wind from 0 to 10, the latest 0; gust from 12 to 17, the latest 13, in miles an hour.WIND AND GUSTmph05101520Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Tullahoma, wind direction from 170 to 240, the latest 180, 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

30.05 inHg at 10 PM, steady over 3 hours; 0.01 inHg lower than a day before.

Now
30.05inHg
10 PM
3 hours
+0.01inHg
steady
24 hours
-0.01inHg
Pressure, altimeter at Tullahoma, pressure, altimeter from 30.04 to 30.14, the latest 30.05, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.0530.1030.15Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 5 miles at 2 AM; 10 miles or more now.

Now
10+mi
Lowest
5mi
2 AM
Hours under a mile
0
Visibility at Tullahoma, visibility from 5.0 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 6,500 ft at 12 PM; a base was reported in 7 of the hours.

Lowest base now
-
Lowest in 24 hours
6,500ft
12 PM
Hours with a base reported
7
Lowest cloud base at Tullahoma, lowest cloud base from 6,500 to 12,000, the latest 6,500, in feet.LOWEST CLOUD BASEft6,0008,00010,00012,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMVFR

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

Tullahoma: 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 Tullahoma Regional Airport William Northern 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

TullahomaTHA

At an airfield/0.0 mi away/1,083 ft/level with here

temp, wind, gust, visibility, precip, pressure

Eastview Farm ScanEAST1

On a farm or research station/16.9 mi away/1,054 ft/29 ft below here

temp, wind, gust, humidity, pressure

Eastview FarmS2077

At a soil climate station/16.9 mi away/1,054 ft/29 ft below here

temp, humidity, soil temp, soil moisture

measured daily2 instruments

Tullahoma 0.9 WNWTN-CF-39

In a volunteer observer's own ground/0.9 mi away/1,069 ft/14 ft below here

precip, snowfall, snow depth

Water PlantTULT1

At a cooperative observer's station/3.2 mi away/1,056 ft/27 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Tennessee

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

Near Tullahoma Regional Airport William Northern Field

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

Near Tullahoma Regional Airport William Northern Field