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Tappahannock-Essex County Airport, Virginia

Small airport in Essex County, Virginia

Air quality

The air at Tappahannock-Essex County Airport

Index 16, good, led by ozone. Read at 2 AM from its reporting area, Southern Maryland (MD), 37 miles off.

16Good
  • Ozone16Good-

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 20, good.

Smoke, the next 42 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 22 or under.

FriSat

Precipitation

What has fallen at Tappahannock-Essex County Airport

0.06 in in the last 24 hours, and none in the 2 days before, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.06in
Last 3 days
0.06in

Visibility

How far you can see at Tappahannock-Essex County Airport, the next 42 hours

Visibility stays 4 miles or more through Sat 8 PM, lowest 4 miles Fri 9 PM.

FriSat

Airfield

Code
XSA
ICAO
KXSA
IATA
-
Field elevation
135 ft
Serves
Tappahannock
Kind
Small airport
Scheduled service
No
Its own instrument
XSA
Wind now
-

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
10 / 28 unlit4,300 ft75 ftAsphalt86° / 266°--
10282,000 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 Tappahannock (XSA), Tappahannock-Essex County Airport's own instrument, measure by measure, on the field's own clock.

Temperature

62 F at 12 AM; 74 F at its warmest, 4 AM Thursday, and 62 F at its coolest, 12 AM.

Now
62F
12 AM
Highest
74F
4 AM Thursday
Lowest
62F
12 AM
Temperature and Dew point at Tappahannock, temperature from 62.5 to 73.9, the latest 62.5; dew point from 59.0 to 67.6, the latest 62.2, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF55606570756 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 62 F, the air 99% saturated; the humidity ran from 79% at 1 PM Thursday to 99% at 12 AM.

Dew point now
62F
12 AM
Humidity now
99%
Humidity, range
79 to 99%
Relative humidity at Tappahannock, relative humidity from 79 to 99, the latest 99, in per cent.RELATIVE HUMIDITY%75808590951006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Pressure

30.08 inHg at 12 AM, falling 0.05 inHg over 3 hours; 0.03 inHg higher than a day before.

Now
30.08inHg
12 AM
3 hours
-0.05inHg
falling
24 hours
+0.03inHg
Pressure, altimeter at Tappahannock, pressure, altimeter from 30.05 to 30.19, the latest 30.08, 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

Cloud base

The lowest cloud base came down to 1,400 ft at 9 AM Thursday; a base was reported in 21 of the hours.

Lowest base now
-
Lowest in 24 hours
1,400ft
9 AM Thursday
Hours with a base reported
21
Lowest cloud base at Tappahannock, lowest cloud base from 1,400 to 12,000, the latest 1,500, in feet.LOWEST CLOUD BASEft05,00010,00015,0006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMMVFRVFR

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

Precipitation

0.03 in measured in the gauge, the most, 0.03 in, in the hour to 12 AM.

Last 24 hours
0.03in
Wettest hour
0.03in
12 AM
Hours with some
1
Precipitation at Tappahannock, precipitation from 0.00 to 0.03, the latest 0.03, in inches.PRECIPITATIONin0.000.030.050.070.106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

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

What is measuring near here

The 4 instruments nearest Tappahannock-Essex County 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 now2 instruments

TappahannockXSA

At an airfield/0.0 mi away/135 ft/level with here

temp, wind, gust, visibility, precip, pressure

measured daily2 instruments

St Stephens Church 1.1 NEVA-KQ-6

In a volunteer observer's own ground/8.8 mi away/131 ft/4 ft below here

precip, snowfall, snow depth

Warsaw 2NWWRWV2

At a cooperative observer's station/11.0 mi away/143 ft/8 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Virginia

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

Near Tappahannock-Essex County Airport

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

Near Tappahannock-Essex County Airport