Storm Station
Sign in

Louis Armstrong New Orleans International Airport, Louisiana

Large airport in Jefferson Parish, Louisiana

Air quality

The air at Louis Armstrong New Orleans International Airport

Index 45, good, led by fine particles. Read at 1 AM from its reporting area, New Orleans (LA), 20 miles off.

45Good
  • Fine particles (PM2.5)45Good3.6 mi
  • Ozone24Good25 ppb3.6 mi
  • Nitrogen dioxide6Good6.2 ppb3.6 mi
  • Sulfur dioxide0Good0.3 ppb17.3 mi

The days ahead

Highest 53, moderate, today, led by fine particles. Yesterday measured 52, moderate.

Smoke, the next 42 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 Louis Armstrong New Orleans International Airport

None in the last 3 days, to Fri 1 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 Louis Armstrong New Orleans International Airport, the next 42 hours

Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Fri 4 AM.

FriSat

Airfield

Code
MSY
ICAO
KMSY
IATA
MSY
Field elevation
4 ft
Serves
New Orleans
Kind
Large airport
Scheduled service
Yes
Its own instrument
MSY
Wind now
Calm, read 16 Oct, 01:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
02 / 207,002 ft150 ftAsphalt15° / 195°CalmCalm
11 / 2910,104 ft150 ftAsphalt and concrete106° / 286°CalmCalm
022011295,000 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 New Orleans - Louis Armstrong (MSY), Louis Armstrong New Orleans International Airport's own instrument, measure by measure, on the field's own clock.

Temperature

72 F at 1 AM; 87 F at its warmest, 2 PM Thursday, and 68 F at its coolest, 6 AM Thursday.

Now
72F
1 AM
Highest
87F
2 PM Thursday
Lowest
68F
6 AM Thursday
Temperature and Dew point at New Orleans - Louis Armstrong, temperature from 68.0 to 87.0, the latest 72.0; dew point from 62.0 to 72.0, the latest 71.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF607080903 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16TEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 71 F, the air 97% saturated; the humidity ran from 45% at 4 PM Thursday to 97% at 1 AM.

Dew point now
71F
1 AM
Humidity now
97%
Humidity, range
45 to 97%
Relative humidity at New Orleans - Louis Armstrong, relative humidity from 45 to 97, the latest 97, in per cent.RELATIVE HUMIDITY%4060801003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Wind

1 mph from the northwest at 1 AM; at its strongest 11 mph, 10 AM Thursday, and no gust reported.

Now
1mph
from the northwest
Strongest
11mph
10 AM Thursday
Highest gust
-
none reported
Wind at New Orleans - Louis Armstrong, wind from 0 to 11, the latest 1, in miles an hour.WINDmph0510153 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Wind direction at New Orleans - Louis Armstrong, wind direction from 30 to 320, the latest 320, in degrees.WIND DIRECTION°0901802703603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Pressure

30.05 inHg at 1 AM, steady over 3 hours; 0.01 inHg higher than a day before.

Now
30.05inHg
1 AM
3 hours
-0.01inHg
steady
24 hours
+0.01inHg
Pressure, altimeter at New Orleans - Louis Armstrong, pressure, altimeter from 30.03 to 30.11, the latest 30.05, in inches of mercury.PRESSURE, ALTIMETERinHg30.0230.0430.0630.0830.1030.123 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Visibility

Down to 7 miles at 7 AM Thursday; 10 miles or more now.

Now
10+mi
Lowest
7mi
7 AM Thursday
Hours under a mile
0
Visibility at New Orleans - Louis Armstrong, visibility from 7.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFRMVFRVFR

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 Thursday; a base was reported in 19 of the hours.

Lowest base now
-
Lowest in 24 hours
300ft
3 AM Thursday
Hours with a base reported
19
Lowest cloud base at New Orleans - Louis Armstrong, lowest cloud base from 300 to 5,000, the latest 1,500, in feet.LOWEST CLOUD BASEft02,0004,0006,0003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16MVFRVFR

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

New Orleans - Louis Armstrong: 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 Louis Armstrong New Orleans International Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now2 instruments

measured daily2 instruments

Metairie 3.5 WSWLA-JF-4

In a volunteer observer's own ground/1.9 mi away/0 ft/4 ft below here

precip, snowfall, snow depth

MerauxMERL1

At a cooperative observer's station/20.5 mi away/12 ft/8 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 Louis Armstrong New Orleans International Airport

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

Near Louis Armstrong New Orleans International Airport