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H.A. Clark Memorial Field, Arizona

Small airport in Coconino County, Arizona

Air quality

The air at H.A. Clark Memorial Field

Index 31, good, led by ozone. Read at 9 PM from its reporting area, Flagstaff (AZ), 33 miles off.

31Good
  • Ozone31Good-

The days ahead

Good each day through Mon Oct 19, led by ozone. Yesterday measured 44, good.

Smoke, the next 44 hours

Smoke near the ground peaks at index 129, unhealthy for sensitive groups, Fri 6 PM.

FriSat

Precipitation

What has fallen at H.A. Clark Memorial Field

None in the last 3 days, to Thu 9 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 H.A. Clark Memorial Field, the next 44 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

Airfield

Code
CMR
ICAO
KCMR
IATA
-
Field elevation
6,680 ft
Serves
Williams
Kind
Small airport
Scheduled service
No
Its own instrument
CMR
Wind now
From 60° at 14 mph, read 15 Oct, 21:35

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
18 / 366,003 ft100 ftAsphalt191° / 11°9 mph head, on 3611 mph from the right
18362,000 ftN60° 14 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 Williams (CMR), H.A. Clark Memorial Field's own instrument, measure by measure, on the field's own clock.

Temperature

48 F at 8 PM; 58 F at its warmest, 1 PM, and 36 F at its coolest, 2 AM.

Now
48F
8 PM
Highest
58F
1 PM
Lowest
36F
2 AM
Temperature and Dew point at Williams, temperature from 35.6 to 58.4, the latest 48.2; dew point from 29.0 to 37.4, the latest 35.6, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF2030405060Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMFREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 36 F, the air 62% saturated; the humidity ran from 41% at 12 PM to 83% at 1 AM.

Dew point now
36F
8 PM
Humidity now
62%
Humidity, range
41 to 83%
Relative humidity at Williams, relative humidity from 41 to 83, the latest 62, 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

12 mph from the northeast at 8 PM; at its strongest 26 mph, 3 PM, with a gust of 36 mph at 4 PM.

Now
12mph
from the northeast
Strongest
26mph
3 PM
Highest gust
36mph
4 PM
Wind and Gust at Williams, wind from 2 to 26, the latest 12; gust from 18 to 36, the latest 23, in miles an hour.WIND AND GUSTmph010203040Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Williams, wind direction from 20 to 100, the latest 50, 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

30.38 inHg at 8 PM, rising 0.05 inHg over 3 hours; 0.13 inHg higher than a day before.

Now
30.38inHg
8 PM
3 hours
+0.05inHg
rising
24 hours
+0.13inHg
Pressure, altimeter at Williams, pressure, altimeter from 30.24 to 30.38, the latest 30.38, in inches of mercury.PRESSURE, ALTIMETERinHg30.2030.2530.3030.3530.40Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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 Williams, visibility from 10.0 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

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

Williams: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 6 instruments nearest H.A. Clark Memorial 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 now4 instruments

WilliamsCMR

At an airfield/0.0 mi away/6,680 ft/level with here

temp, wind, gust, visibility, precip, pressure

I-40 @ Pine SpringsAZT04

Beside a road/6.6 mi away/6,839 ft/159 ft above here

temp, pavement temp, wind, visibility, precip

Williams - Greenbase RAWSQGBA3

A remote fire weather station/7.7 mi away/6,922 ft/242 ft above here

temp, wind, gust, humidity, pressure

Williams 35 NNW53155

At a climate reference station/31.6 mi away/5,990 ft/690 ft below here

temp, humidity, wind, solar, precip

measured daily2 instruments

Williams 0.8 NAZ-CN-129

In a volunteer observer's own ground/3.8 mi away/6,772 ft/92 ft above here

precip, snowfall, snow depth

WilliamsWLLA3

At a cooperative observer's station/4.5 mi away/6,896 ft/216 ft above here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Williams (WLLA3), 4.5 miles from here, read 15 Oct, 16:00. measured daily

Elsewhere in Arizona

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

Near H.A. Clark Memorial Field

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

Near H.A. Clark Memorial Field