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Harrison County Airport, Texas

Small airport in Harrison County, Texas

Air quality

The air at Harrison County Airport

Index 59, moderate, led by fine particles. Read at 11 PM from its reporting area, Shreveport (LA), 33 miles off.

59Moderate
  • Fine particles (PM2.5)59Moderate-
  • Ozone25Good5 ppb13.3 mi

The days ahead

Highest 56, moderate, today, led by fine particles. Yesterday measured 37, good.

Smoke, the next 45 hours

Little smoke near the ground through Sat 7 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Harrison County Airport

None in the last 24 hours; 0.02 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.02in

Visibility

How far you can see at Harrison County Airport, the next 45 hours

Visibility stays 10 miles or more through Sat 7 PM.

FriSat

Airfield

Code
ASL
ICAO
KASL
IATA
ASL
Field elevation
357 ft
Serves
Marshall
Kind
Small airport
Scheduled service
No
Its own instrument
ASL
Wind now
Calm, read 15 Oct, 23:15

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
02 / 20 unlit3,299 ft60 ftAsphalt22° / 202°CalmCalm
15 / 335,002 ft100 ftAsphalt157° / 337°CalmCalm
022015332,000 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 Marshall (ASL), Harrison County Airport's own instrument, measure by measure, on the field's own clock.

Temperature

69 F at 10 PM; 89 F at its warmest, 4 PM, and 65 F at its coolest, 6 AM.

Now
69F
10 PM
Highest
89F
4 PM
Lowest
65F
6 AM
Temperature and Dew point at Marshall, temperature from 64.7 to 88.8, the latest 68.6; dew point from 60.9 to 73.4, the latest 68.5, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF60708090Oct 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 69 F, the air 100% saturated; the humidity ran from 39% at 4 PM to 100% at 12 AM.

Dew point now
69F
10 PM
Humidity now
100%
Humidity, range
39 to 100%
Relative humidity at Marshall, relative humidity from 39 to 100, the latest 100, 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 7 mph, 11 AM, and no gust reported.

Now
0mph
calm
Strongest
7mph
11 AM
Highest gust
-
none reported
Wind at Marshall, wind from 0 to 7, the latest 0, in miles an hour.WINDmph02468Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM
Wind direction at Marshall, wind direction from 80 to 240, the latest 80, 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, rising 0.04 inHg over 3 hours; 0.05 inHg higher than a day before.

Now
30.05inHg
10 PM
3 hours
+0.04inHg
rising
24 hours
+0.05inHg
Pressure, altimeter at Marshall, pressure, altimeter from 29.96 to 30.09, the latest 30.05, in inches of mercury.PRESSURE, ALTIMETERinHg29.9530.0030.0530.10Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 0.3 miles at 7 AM, under a mile for 5 hours; 8 miles now.

Now
8mi
Lowest
0.3mi
7 AM
Hours under a mile
5
Visibility at Marshall, visibility from 0.3 to 10.0, the latest 8.0, 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 100 ft at 6 AM; a base was reported in 7 of the hours.

Lowest base now
-
Lowest in 24 hours
100ft
6 AM
Hours with a base reported
7
Lowest cloud base at Marshall, lowest cloud base from 100 to 19,000, the latest 900, in feet.LOWEST CLOUD BASEft05,00010,00015,00020,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMMVFRVFR

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
0.00in
2 AM
Hours with some
2
Precipitation at Marshall, precipitation from 0.00 to trace, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.10Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Marshall: 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 Harrison 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

MarshallASL

At an airfield/0.0 mi away/357 ft/level with here

temp, wind, gust, visibility, precip, pressure

Caddo Lake Texas (RAWS)CADT2

A remote fire weather station/14.7 mi away/200 ft/157 ft below here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Marshall 3.1 ETX-HRS-17

In a volunteer observer's own ground/1.0 mi away/358 ft/1 ft above here

precip, snowfall, snow depth

MarshallMLLT2

At a cooperative observer's station/2.9 mi away/348 ft/9 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Marshall (MLLT2), 2.9 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Texas

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

Near Harrison County Airport

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

Near Harrison County Airport