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Cheyenne Regional Jerry Olson Field, Wyoming

Medium airport in Laramie County, Wyoming

Air quality

The air at Cheyenne Regional Jerry Olson Field

Index 29, good, led by ozone. Read at 11 PM from its reporting area, Cheyenne (WY), 2 miles off.

29Good
  • Fine particles (PM2.5)10Good-
  • Ozone29Good-
  • Coarse particles (PM10)4Good-

The days ahead

Yesterday measured 13, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Cheyenne Regional Jerry Olson Field

0.23 in in the last 24 hours, 0.43 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.23in
Last 3 days
0.43in

Visibility

How far you can see at Cheyenne Regional Jerry Olson Field, the next 43 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

Airfield

Code
CYS
ICAO
KCYS
IATA
CYS
Field elevation
6,159 ft
Serves
Cheyenne
Kind
Medium airport
Scheduled service
Yes
Its own instrument
CYS
Wind now
From 350° at 21 mph, read 15 Oct, 23:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
09 / 279,270 ft150 ftConcrete96° / 276°6 mph head, on 2720 mph from the right
13 / 316,690 ft150 ftAsphalt135° / 315°17 mph head, on 3112 mph from the right
092713315,000 ftN350° 21 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 Cheyenne/Warren AFB (CYS), Cheyenne Regional Jerry Olson Field's own instrument, measure by measure, on the field's own clock.

Temperature

38 F at 9 PM Thursday; 47 F at its warmest, 2 PM Thursday, and 34 F at its coolest, 5 AM Thursday.

Now
38F
9 PM Thursday
Highest
47F
2 PM Thursday
Lowest
34F
5 AM Thursday
Temperature and Dew point at Cheyenne/Warren AFB, temperature from 33.5 to 47.0, the latest 38.0; dew point from 28.0 to 38.7, the latest 28.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF2530354045503 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16FREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 28 F, the air 67% saturated; the humidity ran from 49% at 2 PM Thursday to 97% at 1 AM Thursday.

Dew point now
28F
9 PM Thursday
Humidity now
67%
Humidity, range
49 to 97%
Relative humidity at Cheyenne/Warren AFB, relative humidity from 49 to 97, the latest 67, 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

12 mph from the north at 9 PM Thursday; at its strongest 25 mph, 11 AM Thursday, with a gust of 51 mph at 9 AM Thursday.

Now
12mph
from the north
Strongest
25mph
11 AM Thursday
Highest gust
51mph
9 AM Thursday
Wind and Gust at Cheyenne/Warren AFB, wind from 3 to 25, the latest 12; gust from 16 to 51, the latest 22, in miles an hour.WIND AND GUSTmph02040603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16WINDGUST
Wind direction at Cheyenne/Warren AFB, wind direction from 280 to 360, the latest 350, 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

30.63 inHg at 9 PM Thursday, rising 0.08 inHg over 3 hours; 0.51 inHg higher than a day before.

Now
30.63inHg
9 PM Thursday
3 hours
+0.08inHg
rising
24 hours
+0.51inHg
Pressure, altimeter at Cheyenne/Warren AFB, pressure, altimeter from 30.12 to 30.63, the latest 30.63, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.2030.4030.6030.803 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Visibility

Down to 2 miles at 7 AM Thursday; 10 miles or more now.

Now
10+mi
Lowest
2mi
7 AM Thursday
Hours under a mile
0
Visibility at Cheyenne/Warren AFB, visibility from 1.5 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 400 ft at 1 AM Thursday; a base was reported in 20 of the hours.

Lowest base now
-
Lowest in 24 hours
400ft
1 AM Thursday
Hours with a base reported
20
Lowest cloud base at Cheyenne/Warren AFB, lowest cloud base from 400 to 4,600, the latest 4,100, 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

0.24 in measured in the gauge, the most, 0.08 in, in the hour to 6 AM Thursday.

Last 24 hours
0.24in
Wettest hour
0.08in
6 AM Thursday
Hours with some
8
Precipitation at Cheyenne/Warren AFB, precipitation from 0.00 to 0.08, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Cheyenne/Warren AFB: 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 Cheyenne Regional Jerry Olson Field, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now3 instruments

Cheyenne/Warren AFBCYS

At an airfield/0.1 mi away/6,138 ft/21 ft below here

temp, wind, gust, visibility, precip, pressure

Wyo Hill (outpost)WY51

Beside a road/8.0 mi away/6,359 ft/200 ft above here

temp, pavement temp, wind, visibility, precip

Crow Creek SnotelCRWW4

A snow pillow on a mountain/30.1 mi away/8,330 ft/2,171 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Cheyenne WFOCYSW4

At a cooperative observer's station/0.4 mi away/6,118 ft/41 ft below here

snowfall, snow depth, precip, high, low

Cheyenne 0.8 NWWY-LM-115

In a volunteer observer's own ground/0.4 mi away/6,116 ft/43 ft below here

precip, snowfall, snow depth

0in

Snow on the ground

Measured at Cheyenne WFO (CYSW4), 0.4 miles from here, read 14 Oct, 23:59. measured daily

Elsewhere in Wyoming

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

Near Cheyenne Regional Jerry Olson Field

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

Near Cheyenne Regional Jerry Olson Field