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Smith Reynolds Airport, North Carolina

Medium airport in Forsyth County, North Carolina

Air quality

The air at Smith Reynolds Airport

Index 29, good, led by ozone. Read at 7 AM from its reporting area, Forsyth County-Winston-Salem-Greensboro-High Point (NC), 7 miles off.

29Good
  • Fine particles (PM2.5)12Good1.3 mi
  • Ozone29Good23 ppb1.3 mi
  • Coarse particles (PM10)6Good1.3 mi
  • Nitrogen dioxide2Good2 ppb1.3 mi
  • Sulfur dioxide0Good0.2 ppb1.3 mi

The days ahead

Good each day through Mon Oct 19, led by ozone. Yesterday measured 90, moderate.

Smoke, the next 44 hours

No smoke near the ground through Mon 2 AM.

SatSun

Precipitation

What has fallen at Smith Reynolds Airport

0.09 in in the last 24 hours, and none in the 2 days before, to Sat 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.09in
Last 3 days
0.09in

Visibility

How far you can see at Smith Reynolds Airport, the next 44 hours

Visibility stays 3 miles or more through Mon 2 AM, lowest 3 miles Sat 8 AM.

SatSun

Airfield

Code
INT
ICAO
KINT
IATA
INT
Field elevation
969 ft
Serves
Winston Salem
Kind
Medium airport
Scheduled service
No
Its own instrument
INT
Wind now
From 320° at 15 mph, read 17 Oct, 06:54

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
04 / 223,938 ft150 ftAsphalt31° / 211°5 mph head, on 0414 mph from the left
15 / 336,655 ft150 ftAsphalt145° / 325°15 mph head, on 331 mph from the left
042215332,500 ftN320° 15 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 Winston-Salem/Smith_(ASOS) (INT), Smith Reynolds Airport's own instrument, measure by measure, on the field's own clock.

Temperature

55 F at 6 AM; 83 F at its warmest, 4 PM Friday, and 55 F at its coolest, 3 AM.

Now
55F
6 AM
Highest
83F
4 PM Friday
Lowest
55F
3 AM
Temperature and Dew point at Winston-Salem/Smith_(ASOS), temperature from 55.0 to 83.0, the latest 55.0; dew point from 51.0 to 67.0, the latest 51.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF50607080909 AM12 PM3 PM6 PM9 PMOct 173 AM6 AMTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 51 F, the air 86% saturated; the humidity ran from 53% at 4 PM Friday to 99% at 9 AM Friday.

Dew point now
51F
6 AM
Humidity now
86%
Humidity, range
53 to 99%
Relative humidity at Winston-Salem/Smith_(ASOS), relative humidity from 53 to 99, the latest 86, in per cent.RELATIVE HUMIDITY%4060801009 AM12 PM3 PM6 PM9 PMOct 173 AM6 AM

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

Wind

13 mph from the north northwest at 7 AM; at its strongest 13 mph, 7 AM, with a gust of 31 mph at 10 PM Friday.

Now
13mph
from the north northwest
Strongest
13mph
7 AM
Highest gust
31mph
10 PM Friday
Wind and Gust at Winston-Salem/Smith_(ASOS), wind from 1 to 13, the latest 13; gust from 16 to 31, the latest 16, in miles an hour.WIND AND GUSTmph0102030409 AM12 PM3 PM6 PM9 PMOct 173 AM6 AMWINDGUST
Wind direction at Winston-Salem/Smith_(ASOS), wind direction from 20 to 360, the latest 330, in degrees.WIND DIRECTION°0901802703609 AM12 PM3 PM6 PM9 PMOct 173 AM6 AM

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

Pressure

30.08 inHg at 6 AM, rising 0.08 inHg over 3 hours; 0.05 inHg higher than a day before.

Now
30.08inHg
6 AM
3 hours
+0.08inHg
rising
24 hours
+0.05inHg
Pressure, altimeter at Winston-Salem/Smith_(ASOS), pressure, altimeter from 29.84 to 30.08, the latest 30.08, in inches of mercury.PRESSURE, ALTIMETERinHg29.8029.9030.0030.109 AM12 PM3 PM6 PM9 PMOct 173 AM6 AM

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

Visibility

Down to 0.1 miles at 8 AM Friday, under a mile for 1 hour; 9 miles now.

Now
9mi
Lowest
0.1mi
8 AM Friday
Hours under a mile
1
Visibility at Winston-Salem/Smith_(ASOS), visibility from 0.1 to 10.0, the latest 9.0, in miles.VISIBILITYmi02.557.5109 AM12 PM3 PM6 PM9 PMOct 173 AM6 AMLIFRIFRMVFRVFR

How it is measured: Fog types, Field Book FB-WAT-020

Cloud base

The lowest cloud base came down to 100 ft at 8 AM Friday; a base was reported in 23 of the hours.

Lowest base now
5,500ft
Lowest in 24 hours
100ft
8 AM Friday
Hours with a base reported
23
Lowest cloud base at Winston-Salem/Smith_(ASOS), lowest cloud base from 100 to 6,500, the latest 5,500, in feet.LOWEST CLOUD BASEft02,0004,0006,0008,0009 AM12 PM3 PM6 PM9 PMOct 173 AM6 AMMVFRVFR

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

Precipitation

0.10 in measured in the gauge, the most, 0.06 in, in the hour to 11 PM Friday.

Last 24 hours
0.10in
Wettest hour
0.06in
11 PM Friday
Hours with some
8
Precipitation at Winston-Salem/Smith_(ASOS), precipitation from 0.00 to 0.06, the latest 0.01, in inches.PRECIPITATIONin0.000.030.050.070.109 AM12 PM3 PM6 PM9 PMOct 173 AM6 AM

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

Winston-Salem/Smith_(ASOS): 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 Smith Reynolds 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

LexingtonLXFN7

At a river or reservoir gauge/24.1 mi away/748 ft/221 ft below here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Winston-Salem 4.2 NNENC-FR-34

In a volunteer observer's own ground/1.3 mi away/994 ft/25 ft above here

precip, snowfall, snow depth

PfafftownPFAN7

At a cooperative observer's station/8.4 mi away/883 ft/86 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in North Carolina

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

Near Smith Reynolds Airport

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

Near Smith Reynolds Airport