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Frederick W. Smith International Airport, Tennessee

Large airport in Shelby County, Tennessee

Air quality

The air at Frederick W. Smith International Airport

Index 60, moderate, led by fine particles. Read at 12 AM from its reporting area, Memphis (TN), 5 miles off.

60Moderate
  • Fine particles (PM2.5)60Moderate15.2 mi
  • Ozone34Good43 ppb15.2 mi

The days ahead

Good each day through Sat Oct 17, led by ozone. Yesterday measured 44, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 7 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Frederick W. Smith International Airport

None in the last 3 days, to Fri 12 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 Frederick W. Smith International Airport, the next 43 hours

Visibility stays 10 miles or more through Sat 7 PM.

FriSat

Airfield

Code
MEM
ICAO
KMEM
IATA
MEM
Field elevation
341 ft
Serves
Memphis
Kind
Large airport
Scheduled service
Yes
Its own instrument
MEM
Wind now
From 230° at 8 mph, read 16 Oct, 00:54

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
09 / 278,946 ft150 ftAsphalt92° / 272°6 mph head, on 275 mph from the left
18C / 36C11,120 ft150 ftConcrete179° / 359°5 mph head, on 18C6 mph from the right
18L / 36R9,000 ft150 ftConcrete179° / 359°5 mph head, on 18L6 mph from the right
18R / 36L9,320 ft150 ftConcrete179° / 359°5 mph head, on 18R6 mph from the right
092718C36C18L36R18R36L5,000 ftN230° 8 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 Memphis INTL Arpt (MEM), Frederick W. Smith International Airport's own instrument, measure by measure, on the field's own clock.

Temperature

78 F at 12 AM; 91 F at its warmest, 1 PM Thursday, and 73 F at its coolest, 6 AM Thursday.

Now
78F
12 AM
Highest
91F
1 PM Thursday
Lowest
73F
6 AM Thursday
Temperature and Dew point at Memphis INTL Arpt, temperature from 73.0 to 91.0, the latest 78.0; dew point from 54.0 to 62.0, the latest 55.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF50607080901003 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 55 F, the air 45% saturated; the humidity ran from 32% at 5 PM Thursday to 60% at 2 AM Thursday.

Dew point now
55F
12 AM
Humidity now
45%
Humidity, range
32 to 60%
Relative humidity at Memphis INTL Arpt, relative humidity from 32 to 60, the latest 45, in per cent.RELATIVE HUMIDITY%304050603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Wind

10 mph from the southwest at 12 AM; at its strongest 12 mph, 11 AM Thursday, with a gust of 25 mph at 10 AM Thursday.

Now
10mph
from the southwest
Strongest
12mph
11 AM Thursday
Highest gust
25mph
10 AM Thursday
Wind and Gust at Memphis INTL Arpt, wind from 2 to 12, the latest 10; gust from 17 to 25, the latest 23, in miles an hour.WIND AND GUSTmph01020303 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16WINDGUST
Wind direction at Memphis INTL Arpt, wind direction from 170 to 260, the latest 230, 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

30.01 inHg at 12 AM, steady over 3 hours; 0.02 inHg lower than a day before.

Now
30.01inHg
12 AM
3 hours
+0.00inHg
steady
24 hours
-0.02inHg
Pressure, altimeter at Memphis INTL Arpt, pressure, altimeter from 29.99 to 30.09, the latest 30.01, in inches of mercury.PRESSURE, ALTIMETERinHg29.9530.0030.0530.103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Visibility

10 miles or more every hour.

Now
10+mi
Lowest
10+mi
Hours under a mile
0
Visibility at Memphis INTL Arpt, visibility from 10.0 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 5,000 ft at 3 AM Thursday; a base was reported in 18 of the hours.

Lowest base now
-
Lowest in 24 hours
5,000ft
3 AM Thursday
Hours with a base reported
18
Lowest cloud base at Memphis INTL Arpt, lowest cloud base from 5,000 to 20,000, the latest 13,000, in feet.LOWEST CLOUD BASEft5,00010,00015,00020,0003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16VFR

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

Memphis INTL Arpt: 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 Frederick W. Smith International Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.3 miles away.

measured now2 instruments

Memphis INTL ArptMEM

At an airfield/1.3 mi away/285 ft/56 ft below here

temp, wind, gust, visibility, precip, pressure

measured daily2 instruments

Memphis 2.7 ESETN-SH-67

In a volunteer observer's own ground/2.9 mi away/262 ft/79 ft below here

precip, snowfall, snow depth

Memphis WfoMEGT1

At a cooperative observer's station/11.4 mi away/292 ft/49 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Memphis Wfo (MEGT1), 11.4 miles from here, read 15 Oct, 06:00. measured daily

Elsewhere in Tennessee

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

Near Frederick W. Smith International Airport

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

Near Frederick W. Smith International Airport