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Vance Brand Airport, Colorado

Small airport in Boulder County, Colorado

Air quality

The air at Vance Brand Airport

Index 22, good, led by ozone. Read at 9 PM from its reporting area, Fort Collins (CO), 24 miles off.

22Good
  • Ozone22Good-

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 37, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Vance Brand Airport

0.13 in in the last 24 hours, 0.64 in over the last 3 days, to Thu 8 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.13in
Last 3 days
0.64in

Visibility

How far you can see at Vance Brand Airport, the next 46 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

Airfield

Code
LMO
ICAO
KLMO
IATA
-
Field elevation
5,055 ft
Serves
Longmont
Kind
Small airport
Scheduled service
No
Its own instrument
LMO
Wind now
Calm, read 15 Oct, 21:15

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
11 / 294,799 ft75 ftConcrete124° / 304°CalmCalm
11291,000 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 Longmont/Vbrand (LMO), Vance Brand Airport's own instrument, measure by measure, on the field's own clock.

Temperature

41 F at 9 PM; 58 F at its warmest, 3 PM, and 41 F at its coolest, 9 PM.

Now
41F
9 PM
Highest
58F
3 PM
Lowest
41F
9 PM
Temperature and Dew point at Longmont/Vbrand, temperature from 41.0 to 57.7, the latest 41.0; dew point from 29.0 to 42.7, the latest 34.7, 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 35 F, the air 78% saturated; the humidity ran from 33% at 3 PM to 95% at 10 PM Wednesday.

Dew point now
35F
9 PM
Humidity now
78%
Humidity, range
33 to 95%
Relative humidity at Longmont/Vbrand, relative humidity from 33 to 95, the latest 78, in per cent.RELATIVE HUMIDITY%20406080100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

Calm at 9 PM; at its strongest 21 mph, 10 AM, with a gust of 32 mph at 10 AM.

Now
0mph
calm
Strongest
21mph
10 AM
Highest gust
32mph
10 AM
Wind and Gust at Longmont/Vbrand, wind from 0 to 21, the latest 0; gust from 17 to 32, the latest 17, in miles an hour.WIND AND GUSTmph010203040Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Longmont/Vbrand, wind direction from 10 to 360, the latest 200, 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

30.63 inHg at 9 PM, rising 0.06 inHg over 3 hours; 0.51 inHg higher than a day before.

Now
30.63inHg
9 PM
3 hours
+0.06inHg
rising
24 hours
+0.51inHg
Pressure, altimeter at Longmont/Vbrand, pressure, altimeter from 30.12 to 30.63, the latest 30.63, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.2030.4030.6030.80Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 7 miles at 10 PM Wednesday; 10 miles or more now.

Now
10+mi
Lowest
7mi
10 PM Wednesday
Hours under a mile
0
Visibility at Longmont/Vbrand, visibility from 7.0 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

Cloud base

The lowest cloud base came down to 600 ft at 10 PM Wednesday; a base was reported in 17 of the hours.

Lowest base now
-
Lowest in 24 hours
600ft
10 PM Wednesday
Hours with a base reported
17
Lowest cloud base at Longmont/Vbrand, lowest cloud base from 600 to 8,500, the latest 7,000, in feet.LOWEST CLOUD BASEft02,0004,0006,0008,00010,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMMVFRVFR

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

Precipitation

0.03 in measured in the gauge, the most, 0.02 in, in the hour to 7 AM.

Last 24 hours
0.03in
Wettest hour
0.02in
7 AM
Hours with some
2
Precipitation at Longmont/Vbrand, precipitation from 0.00 to 0.02, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.10Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Longmont/Vbrand: 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 Vance Brand 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 now4 instruments

Longmont/VbrandLMO

At an airfield/0.0 mi away/5,056 ft/1 ft above here

temp, wind, gust, visibility, precip, pressure

Del Camino (43)CO052

Beside a road/9.7 mi away/4,788 ft/267 ft below here

temp, pavement temp, wind, visibility, precip

Boulder 14 W94075

At a climate reference station/22.0 mi away/9,828 ft/4,773 ft above here

temp, humidity, wind, solar, precip

measured daily2 instruments

Longmont 3.1 WSWCO-BO-571

In a volunteer observer's own ground/0.8 mi away/5,062 ft/7 ft above here

precip, snowfall, snow depth

Longmont ProfilerLONC2

At a cooperative observer's station/2.1 mi away/4,989 ft/66 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Longmont Profiler (LONC2), 2.1 miles from here, read 15 Oct, 07:15. measured daily

Elsewhere in Colorado

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

Near Vance Brand Airport

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

Near Vance Brand Airport