Airports/Alaska/Allen Army Airfield

Allen Army Airfield, Alaska

Medium airport in Southeast Fairbanks Census Area, Alaska

39° 39°/29°

Overcast· Feels like 28°·Fresh breeze 22 mph ESE

Alert. A Wind Advisory is in force for Allen Army Airfield until 4 AM tomorrow. Read the alert in full, and see what it means in the Field Book.

Now. Allen Army Airfield is 39° and overcast at 10 PM. With the wind it feels like 28°. The dew point is 29°, so the air feels dry and comfortable. Fresh breeze from the east-southeast at 22 mph, gusting to 36 mph.

Today and tonight. Tonight falls to about 30° by 7 AM, under a mostly clear sky. A freeze: protect plants and pipes. No rain is expected for the rest of the day.

The week. The warmest day ahead is tomorrow, near 41°, and the coolest Wednesday, near 28°. Rain is likely Wednesday (63%). Rain is possible Saturday (41%) and Tuesday (49%). The windiest day is Tuesday, with wind to 23 mph. The first freeze could come tomorrow, a low of 29°.

The sky now. The Moon is a waxing crescent, 27% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 9 hours 51 minutes long, 6 minutes shorter than yesterday.

0UV Low

-Air quality

73%Humidity

85%Cloud

Now

10:00 PM

39feels28

22mph

Today

Oct 15

3929

21%

24mph

Fri

Oct 16

4129

19mph

Sat

Oct 17

3225

41%

Sun

Oct 18

2923

Mon

Oct 19

3320

Tue

Oct 20

3123

49%

23mph

Wed

Oct 21

2823

63%

14mph

39°

39°29°

41°29°

32°25°

29°23°

33°20°

31°23°

28°23°

As of 10:00 PM in Allen Army Airfield, Alaska.

Airfield

Code: BIG
ICAO: PABI
IATA: BIG
Field elevation: 1,291 ft
Serves: Delta Junction Ft Greely
Kind: Medium airport
Scheduled service: No
Its own instrument: PABI
Wind now: From 110° at 22 mph, read 15 Oct, 21:53

Runways

Runway	Length	Width	Surface	Heading, true	Wind along it now	Crosswind now
01 / 19 unlit	9,000 ft	150 ft	Asphalt	30° / 210°	4 mph head, on 01	22 mph from the right
07 / 25 unlit	4,057 ft	88 ft	Asphalt	92° / 272°	21 mph head, on 07	7 mph from the right
10 / 28 unlit	6,115 ft	150 ft	Asphalt	125° / 305°	21 mph head, on 10	6 mph from the left

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 Ft.Greely/Allen AAF (ASOS) (PABI), Allen Army Airfield's own instrument, measure by measure, on the field's own clock.

Temperature

39 F at 7 PM; 39 F at its warmest, 4 PM, and 35 F at its coolest, 5 AM.

Now: 39F; 7 PM
Highest: 39F; 4 PM
Lowest: 35F; 5 AM

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

Humidity and dew point

A dew point of 30 F, the air 70% saturated; the humidity ran from 56% at 3 AM to 70% at 7 PM.

Dew point now: 30F; 7 PM
Humidity now: 70%
Humidity, range: 56 to 70%

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

Wind

27 mph from the east at 7 PM; at its strongest 32 mph, 3 PM, with a gust of 53 mph at 3 PM.

Now: 27mph; from the east
Strongest: 32mph; 3 PM
Highest gust: 53mph; 3 PM

How it is measured: Coriolis as geometry, Field Book FB-ENG-008

Pressure

29.31 inHg at 7 PM, falling 0.04 inHg over 3 hours; 0.54 inHg lower than a day before.

Now: 29.31inHg; 7 PM
3 hours: -0.04inHg; falling
24 hours: -0.54inHg

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

How it is measured: Fog types, Field Book FB-WAT-020

Cloud base

The lowest cloud base came down to 2,800 ft at 11 AM; a base was reported in 14 of the hours.

Lowest base now: -
Lowest in 24 hours: 2,800ft; 11 AM
Hours with a base reported: 14

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

Precipitation

None measured in the gauge in the last 24 hours.

Last 24 hours: 0.00in
Wettest hour: 0.00in; 6 PM
Hours with some: 1

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

Ft.Greely/Allen AAF (ASOS): 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 Allen Army Airfield, 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

Ft.Greely/Allen AAF (ASOS)PABI

At an airfield/0.1 mi away/1,306 ft/15 ft above here

temp, wind, gust, visibility, precip, pressure

Delta Junction 5S - Main PostMAPA2

At a river or reservoir gauge/1.5 mi away/1,306 ft/15 ft above here

temp, wind, gust, humidity, pressure

Richardson Hwy @ Tenderfoot MP 292.6TFTA2

Beside a road/26.0 mi away/1,365 ft/74 ft above here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Big Delta AirportBIG