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William M Tuck Airport, Virginia

Small airport in Halifax County, Virginia

Air quality

The air at William M Tuck Airport

Index 22, good, led by ozone. Read at 6 AM from its reporting area, Person County (NC), 23 miles off.

22Good
  • Ozone22Good-

The days ahead

Highest 58, moderate, today, led by ozone. Yesterday measured 38, good.

Smoke, the next 45 hours

Little smoke near the ground through Sun 2 AM: the index from smoke stays at 28 or under.

FriSat

Precipitation

What has fallen at William M Tuck Airport

None in the last 3 days, to Fri 5 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 William M Tuck Airport, the next 45 hours

Visibility stays 3 miles or more through Sun 2 AM, lowest 3 miles Sat 4 AM.

FriSat

Airfield

Code
W78
ICAO
-
IATA
-
Field elevation
420 ft
Serves
South Boston
Kind
Small airport
Scheduled service
No
Its own instrument
W78
Wind now
From 210° at 5 mph, read 16 Oct, 06:35

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
01 / 194,011 ft75 ftAsphalt357° / 177°4 mph head, on 193 mph from the right
05 / 23 unlit2,700 ft200 ftGrass50° / 230°5 mph head, on 232 mph from the left
011905231,000 ftN210° 5 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 South Boston (W78), William M Tuck Airport's own instrument, measure by measure, on the field's own clock.

Temperature

68 F at 6 AM; 84 F at its warmest, 2 PM Thursday, and 65 F at its coolest, 7 AM Thursday.

Now
68F
6 AM
Highest
84F
2 PM Thursday
Lowest
65F
7 AM Thursday
Temperature and Dew point at South Boston, temperature from 64.7 to 84.4, the latest 67.8; dew point from 61.8 to 67.3, the latest 64.7, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF607080909 AM12 PM3 PM6 PM9 PMOct 163 AM6 AMTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 65 F, the air 90% saturated; the humidity ran from 55% at 2 PM Thursday to 95% at 3 AM.

Dew point now
65F
6 AM
Humidity now
90%
Humidity, range
55 to 95%
Relative humidity at South Boston, relative humidity from 55 to 95, the latest 90, in per cent.RELATIVE HUMIDITY%4060801009 AM12 PM3 PM6 PM9 PMOct 163 AM6 AM

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

Wind

5 mph from the south southwest at 6 AM; at its strongest 7 mph, 3 PM Thursday, and no gust reported.

Now
5mph
from the south southwest
Strongest
7mph
3 PM Thursday
Highest gust
-
none reported
Wind at South Boston, wind from 0 to 7, the latest 5, in miles an hour.WINDmph024689 AM12 PM3 PM6 PM9 PMOct 163 AM6 AM
Wind direction at South Boston, wind direction from 30 to 210, the latest 210, in degrees.WIND DIRECTION°0901802703609 AM12 PM3 PM6 PM9 PMOct 163 AM6 AM

How it is measured: Coriolis as geometry, Field Book FB-ENG-008

Pressure

30.02 inHg at 6 AM, steady over 3 hours; 0.09 inHg lower than a day before.

Now
30.02inHg
6 AM
3 hours
-0.02inHg
steady
24 hours
-0.09inHg
Pressure, altimeter at South Boston, pressure, altimeter from 30.02 to 30.13, the latest 30.02, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.0530.1030.159 AM12 PM3 PM6 PM9 PMOct 163 AM6 AM

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

Visibility

Down to 2 miles at 3 AM; 7 miles now.

Now
7mi
Lowest
2mi
3 AM
Hours under a mile
0
Visibility at South Boston, visibility from 1.8 to 10.0, the latest 7.0, in miles.VISIBILITYmi02.557.5109 AM12 PM3 PM6 PM9 PMOct 163 AM6 AMLIFRIFRMVFRVFR

How it is measured: Fog types, Field Book FB-WAT-020

Cloud base

The lowest cloud base came down to 300 ft at 3 AM; a base was reported in 21 of the hours.

Lowest base now
800ft
Lowest in 24 hours
300ft
3 AM
Hours with a base reported
21
Lowest cloud base at South Boston, lowest cloud base from 300 to 12,000, the latest 800, in feet.LOWEST CLOUD BASEft05,00010,00015,0009 AM12 PM3 PM6 PM9 PMOct 163 AM6 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

South Boston: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 3 instruments nearest William M Tuck 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 now1 instrument

South BostonW78

At an airfield/0.0 mi away/378 ft/42 ft below here

temp, wind, gust, visibility, precip, pressure

measured daily2 instruments

South BostonSOBV2

At a cooperative observer's station/2.1 mi away/351 ft/69 ft below here

snowfall, snow depth, precip, high, low

South Boston 0.6 SSWVA-HL-6

In a volunteer observer's own ground/3.4 mi away/367 ft/53 ft below here

precip, snowfall, snow depth

0in

Snow on the ground

Measured at South Boston (SOBV2), 2.1 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Virginia

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

Near William M Tuck Airport

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

Near William M Tuck Airport