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St Landry Parish Ahart Field, Louisiana

Small airport in St. Landry Parish, Louisiana

Air quality

The air at St Landry Parish Ahart Field

Index 35, good, led by ozone. Read at 10 PM from its reporting area, Lafayette (LA), 23 miles off.

35Good
  • Fine particles (PM2.5)22Good23.3 mi
  • Ozone35Good38 ppb23.3 mi

The days ahead

Highest 54, moderate, today, led by ozone. Yesterday measured 67, moderate.

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 St Landry Parish Ahart Field

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

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at St Landry Parish Ahart Field, the next 45 hours

Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Fri 6 AM.

FriSat

Airfield

Code
OPL
ICAO
KOPL
IATA
OPL
Field elevation
75 ft
Serves
Opelousas
Kind
Small airport
Scheduled service
No
Its own instrument
OPL
Wind now
Calm, read 15 Oct, 22:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
06 / 24 unlit4,051 ft100 ftConcrete60° / 240°CalmCalm
18 / 365,999 ft100 ftConcrete180° / 0°CalmCalm
062418362,000 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 Opelousas (OPL), St Landry Parish Ahart Field's own instrument, measure by measure, on the field's own clock.

Temperature

71 F at 10 PM; 88 F at its warmest, 3 PM, and 64 F at its coolest, 2 AM.

Now
71F
10 PM
Highest
88F
3 PM
Lowest
64F
2 AM
Temperature and Dew point at Opelousas, temperature from 64.2 to 87.6, the latest 71.2; dew point from 63.5 to 71.4, the latest 67.8, 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 68 F, the air 89% saturated; the humidity ran from 48% at 4 PM to 98% at 3 AM.

Dew point now
68F
10 PM
Humidity now
89%
Humidity, range
48 to 98%
Relative humidity at Opelousas, relative humidity from 48 to 98, the latest 89, in per cent.RELATIVE HUMIDITY%406080100Oct 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 5 mph, 4 PM, and no gust reported.

Now
0mph
calm
Strongest
5mph
4 PM
Highest gust
-
none reported
Wind at Opelousas, wind from 0 to 5, the latest 0, in miles an hour.WINDmph0246Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM
Wind direction at Opelousas, wind direction from 20 to 160, the latest 160, 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

30.07 inHg at 10 PM, rising 0.06 inHg over 3 hours; 0.01 inHg higher than a day before.

Now
30.07inHg
10 PM
3 hours
+0.06inHg
rising
24 hours
+0.01inHg
Pressure, altimeter at Opelousas, pressure, altimeter from 30.00 to 30.10, the latest 30.07, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.0530.10Oct 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 4 AM, under a mile for 6 hours; 10 miles or more now.

Now
10+mi
Lowest
0.3mi
4 AM
Hours under a mile
6
Visibility at Opelousas, visibility from 0.3 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 100 ft at 7 AM; a base was reported in 15 of the hours.

Lowest base now
-
Lowest in 24 hours
100ft
7 AM
Hours with a base reported
15
Lowest cloud base at Opelousas, lowest cloud base from 100 to 5,000, the latest 5,000, in feet.LOWEST CLOUD BASEft02,0004,0006,000Oct 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
-
Hours with some
0

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

Opelousas: 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 St Landry Parish Ahart 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

OpelousasOPL

At an airfield/0.0 mi away/77 ft/2 ft above here

temp, wind, gust, visibility, precip, pressure

Lafayette 13 SE53960

At a climate reference station/35.1 mi away/35 ft/40 ft below here

temp, humidity, wind, solar, precip

measured daily2 instruments

Opelousas 4.3 NLA-SL-2

In a volunteer observer's own ground/2.2 mi away/72 ft/3 ft below here

precip, snowfall, snow depth

Ville PlatteVIPL1

At a cooperative observer's station/14.7 mi away/77 ft/2 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Louisiana

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

Near St Landry Parish Ahart Field

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

Near St Landry Parish Ahart Field