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Black River Falls Area Airport, Wisconsin

Small airport in Jackson County, Wisconsin

Air quality

The air at Black River Falls Area Airport

Index 12, good, led by ozone. Read at 10 PM from its reporting area, Driftless Area North (WI), 14 miles off.

12Good
  • Fine particles (PM2.5)6Good-
  • Ozone12Good-

The days ahead

Good each day through Sat Oct 17, led by ozone. Yesterday measured 14, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Black River Falls Area Airport

0.91 in in the last 24 hours, and none in the 2 days before, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.91in
Last 3 days
0.91in

Visibility

How far you can see at Black River Falls Area Airport, the next 46 hours

Visibility stays 3 miles or more through Sat 7 PM, lowest 3 miles Fri 5 AM.

FriSat

Airfield

Code
BCK
ICAO
KBCK
IATA
-
Field elevation
836 ft
Serves
Black River Falls
Kind
Small airport
Scheduled service
No
Its own instrument
BCK
Wind now
From 300° at 8 mph, read 15 Oct, 22:15

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
08 / 264,601 ft75 ftAsphalt80° / 260°6 mph head, on 265 mph from the right
08262,000 ftN300° 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 Black River Falls (BCK), Black River Falls Area Airport's own instrument, measure by measure, on the field's own clock.

Temperature

49 F at 10 PM; 54 F at its warmest, 2 AM, and 49 F at its coolest, 10 PM.

Now
49F
10 PM
Highest
54F
2 AM
Lowest
49F
10 PM
Temperature and Dew point at Black River Falls, temperature from 48.6 to 54.3, the latest 48.6; dew point from 45.1 to 52.8, the latest 48.4, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF4547.55052.555Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 48 F, the air 99% saturated; the humidity ran from 75% at 5 AM to 100% at 11 AM.

Dew point now
48F
10 PM
Humidity now
99%
Humidity, range
75 to 100%
Relative humidity at Black River Falls, relative humidity from 75 to 100, the latest 99, in per cent.RELATIVE HUMIDITY%708090100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

8 mph from the west northwest at 10 PM; at its strongest 9 mph, 9 PM, with a gust of 17 mph at 9 PM.

Now
8mph
from the west northwest
Strongest
9mph
9 PM
Highest gust
17mph
9 PM
Wind at Black River Falls, wind from 0 to 9, the latest 8, in miles an hour.WINDmph02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM
Wind direction at Black River Falls, wind direction from 10 to 320, the latest 300, 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

29.89 inHg at 10 PM, rising 0.03 inHg over 3 hours; 0.29 inHg lower than a day before.

Now
29.89inHg
10 PM
3 hours
+0.03inHg
rising
24 hours
-0.29inHg
Pressure, altimeter at Black River Falls, pressure, altimeter from 29.86 to 30.18, the latest 29.89, in inches of mercury.PRESSURE, ALTIMETERinHg29.8029.9030.0030.1030.20Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 2 miles at 5 PM; 10 miles or more now.

Now
10+mi
Lowest
2mi
5 PM
Hours under a mile
0
Visibility at Black River Falls, visibility from 1.5 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 500 ft at 4 PM; a base was reported in 24 of the hours.

Lowest base now
1,100ft
Lowest in 24 hours
500ft
4 PM
Hours with a base reported
24
Lowest cloud base at Black River Falls, lowest cloud base from 500 to 3,500, the latest 1,100, in feet.LOWEST CLOUD BASEft01,0002,0003,0004,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

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

Precipitation

0.91 in measured in the gauge, the most, 0.15 in, in the hour to 12 PM.

Last 24 hours
0.91in
Wettest hour
0.15in
12 PM
Hours with some
13
Precipitation at Black River Falls, precipitation from 0.00 to 0.15, the latest 0.00, in inches.PRECIPITATIONin0.000.050.100.15Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Black River Falls: 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 Black River Falls Area 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

Black River FallsBCK

At an airfield/0.0 mi away/830 ft/6 ft below here

temp, wind, gust, visibility, precip, pressure

Black River Falls RAWSBFWW3

A remote fire weather station/3.6 mi away/823 ft/13 ft below here

temp, wind, gust, humidity, pressure

Necedah 5 WNW54903

At a climate reference station/36.4 mi away/933 ft/97 ft above here

temp, humidity, wind, solar, precip

measured daily2 instruments

Black River Falls SewageBLKW3

At a cooperative observer's station/2.7 mi away/768 ft/68 ft below here

snowfall, snow depth, precip, high, low

Black River Falls 1.1 SEWI-JK-5

In a volunteer observer's own ground/2.9 mi away/847 ft/11 ft above here

precip, snowfall, snow depth

0in

Snow on the ground

Measured at Black River Falls Sewage (BLKW3), 2.7 miles from here, read 15 Oct, 08:30. measured daily

Elsewhere in Wisconsin

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

Near Black River Falls Area Airport

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

Near Black River Falls Area Airport