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Ephraim-Gibraltar Airport, Wisconsin

Small airport in Door County, Wisconsin

Air quality

The air at Ephraim-Gibraltar Airport

Index 26, good, led by ozone. Read at 11 PM from its reporting area, Kewaunee-Door (WI), 28 miles off.

26Good
  • Ozone26Good18 ppb11.7 mi

The days ahead

Good each day through Sat Oct 17, led by ozone. Yesterday measured 26, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Ephraim-Gibraltar Airport

0.74 in in the last 24 hours, and none in the 2 days before, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.74in
Last 3 days
0.74in

Visibility

How far you can see at Ephraim-Gibraltar Airport, the next 44 hours

Visibility stays 3 miles or more through Sat 7 PM, lowest 3 miles Fri 8 AM.

FriSat

Airfield

Code
3D2
ICAO
-
IATA
-
Field elevation
773 ft
Serves
Fish Creek
Kind
Small airport
Scheduled service
No
Its own instrument
3D2
Wind now
From 360° at 9 mph, read 15 Oct, 23:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
01 / 19 unlit1,941 ft100 ftTurf---
14 / 322,697 ft60 ftAsphalt136° / 316°6 mph head, on 326 mph from the right
1432500 ftN360° 9 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 Ephraim (3D2), Ephraim-Gibraltar Airport's own instrument, measure by measure, on the field's own clock.

Temperature

49 F at 12 AM; 52 F at its warmest, 10 AM Thursday, and 48 F at its coolest, 7 AM Thursday.

Now
49F
12 AM
Highest
52F
10 AM Thursday
Lowest
48F
7 AM Thursday
Temperature and Dew point at Ephraim, temperature from 48.1 to 51.9, the latest 48.7; dew point from 41.8 to 48.4, the latest 48.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF404550553 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16TEMPERATUREDEW 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 97% saturated; the humidity ran from 69% at 10 AM Thursday to 97% at 12 AM.

Dew point now
48F
12 AM
Humidity now
97%
Humidity, range
69 to 97%
Relative humidity at Ephraim, relative humidity from 69 to 97, the latest 97, in per cent.RELATIVE HUMIDITY%607080901003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Wind

10 mph from the north at 12 AM; at its strongest 10 mph, 12 AM, with a gust of 17 mph at 12 AM.

Now
10mph
from the north
Strongest
10mph
12 AM
Highest gust
17mph
12 AM
Wind at Ephraim, wind from 2 to 10, the latest 10, in miles an hour.WINDmph02.557.51012.53 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Wind direction at Ephraim, wind direction from 70 to 360, the latest 360, 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

29.75 inHg at 12 AM, falling 0.05 inHg over 3 hours; 0.50 inHg lower than a day before.

Now
29.75inHg
12 AM
3 hours
-0.05inHg
falling
24 hours
-0.50inHg
Pressure, altimeter at Ephraim, pressure, altimeter from 29.75 to 30.25, the latest 29.75, in inches of mercury.PRESSURE, ALTIMETERinHg29.6029.8030.0030.2030.403 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Visibility

Down to 4 miles at 9 PM Thursday; 10 miles or more now.

Now
10+mi
Lowest
4mi
9 PM Thursday
Hours under a mile
0
Visibility at Ephraim, visibility from 4.0 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 200 ft at 8 PM Thursday; a base was reported in 23 of the hours.

Lowest base now
500ft
Lowest in 24 hours
200ft
8 PM Thursday
Hours with a base reported
23
Lowest cloud base at Ephraim, lowest cloud base from 200 to 3,300, the latest 500, in feet.LOWEST CLOUD BASEft01,0002,0003,0004,0003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFRMVFRVFR

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

Precipitation

0.01 in measured in the gauge, the most, 0.01 in, in the hour to 8 PM Thursday.

Last 24 hours
0.01in
Wettest hour
0.01in
8 PM Thursday
Hours with some
1
Precipitation at Ephraim, precipitation from 0.00 to 0.01, 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

Ephraim: 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 Ephraim-Gibraltar Airport, 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 now2 instruments

Ephraim3D2

At an airfield/0.1 mi away/754 ft/19 ft below here

temp, wind, gust, visibility, precip, pressure

Chambers IslandCBRW3

At a river or reservoir gauge/9.5 mi away/568 ft/205 ft below here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Ephraim 2.9 SWI-DR-23

In a volunteer observer's own ground/1.5 mi away/684 ft/89 ft below here

precip, snowfall, snow depth

Fish Creek 1 E WWTPFISW3

At a water treatment plant/2.2 mi away/646 ft/127 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Fish Creek 1 E WWTP (FISW3), 2.2 miles from here, read 15 Oct, 04:30. measured daily

Elsewhere in Wisconsin

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

Near Ephraim-Gibraltar Airport

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

Near Ephraim-Gibraltar Airport