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Northumberland County Airport, Pennsylvania

Small airport in Northumberland County, Pennsylvania

Air quality

The air at Northumberland County Airport

Index 20, good, led by ozone. Read at 12 AM from its reporting area, Williamsport (PA), 36 miles off.

20Good
  • Fine particles (PM2.5)10Good-
  • Ozone20Good-

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 27, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 8 PM.

SatSun

Precipitation

What has fallen at Northumberland County Airport

0.24 in in the last 24 hours, 0.25 in over the last 3 days, to Fri 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.24in
Last 3 days
0.25in

Visibility

How far you can see at Northumberland County Airport, the next 45 hours

Visibility stays 10 miles or more through Sun 8 PM.

SatSun

Airfield

Code
N79
ICAO
-
IATA
-
Field elevation
881 ft
Serves
Shamokin
Kind
Small airport
Scheduled service
No
Its own instrument
N79
Wind now
From 320° at 5 mph, read 17 Oct, 00:35

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
08 / 263,297 ft75 ftAsphalt72° / 252°2 mph head, on 265 mph from the right
08261,000 ftN320° 5 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 Shamokin (N79), Northumberland County Airport's own instrument, measure by measure, on the field's own clock.

Temperature

56 F at 12 AM; 75 F at its warmest, 2 PM Friday, and 56 F at its coolest, 12 AM.

Now
56F
12 AM
Highest
75F
2 PM Friday
Lowest
56F
12 AM
Temperature and Dew point at Shamokin, temperature from 56.0 to 75.4, the latest 56.0; dew point from 49.3 to 67.5, the latest 49.3, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF40506070803 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17TEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 49 F, the air 78% saturated; the humidity ran from 76% at 2 PM Friday to 100% at 7 AM Friday.

Dew point now
49F
12 AM
Humidity now
78%
Humidity, range
76 to 100%
Relative humidity at Shamokin, relative humidity from 76 to 100, the latest 78, in per cent.RELATIVE HUMIDITY%7080901003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17

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

Wind

6 mph from the northwest at 12 AM; at its strongest 13 mph, 4 PM Friday, with a gust of 25 mph at 4 PM Friday.

Now
6mph
from the northwest
Strongest
13mph
4 PM Friday
Highest gust
25mph
4 PM Friday
Wind and Gust at Shamokin, wind from 5 to 13, the latest 6; gust from 16 to 25, the latest 24, in miles an hour.WIND AND GUSTmph01020303 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17WINDGUST
Wind direction at Shamokin, wind direction from 190 to 350, the latest 320, in degrees.WIND DIRECTION°0901802703603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17

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

Pressure

29.91 inHg at 12 AM, rising 0.07 inHg over 3 hours; 0.02 inHg lower than a day before.

Now
29.91inHg
12 AM
3 hours
+0.07inHg
rising
24 hours
-0.02inHg
Pressure, altimeter at Shamokin, pressure, altimeter from 29.64 to 29.93, the latest 29.91, in inches of mercury.PRESSURE, ALTIMETERinHg29.6029.7029.8029.9030.003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17

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

Visibility

Down to 5 miles at 4 PM Friday; 10 miles or more now.

Now
10+mi
Lowest
5mi
4 PM Friday
Hours under a mile
0
Visibility at Shamokin, visibility from 5.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17LIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 600 ft at 8 AM Friday; a base was reported in 20 of the hours.

Lowest base now
2,500ft
Lowest in 24 hours
600ft
8 AM Friday
Hours with a base reported
20
Lowest cloud base at Shamokin, lowest cloud base from 600 to 12,000, the latest 2,500, in feet.LOWEST CLOUD BASEft05,00010,00015,0003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17MVFRVFR

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

Precipitation

0.18 in measured in the gauge, the most, 0.12 in, in the hour to 4 PM Friday.

Last 24 hours
0.18in
Wettest hour
0.12in
4 PM Friday
Hours with some
4
Precipitation at Shamokin, precipitation from 0.00 to 0.12, the latest 0.00, in inches.PRECIPITATIONin0.000.050.100.153 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17

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

Shamokin: 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 Northumberland County 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

ShamokinN79

At an airfield/0.0 mi away/860 ft/21 ft below here

temp, wind, gust, visibility, precip, pressure

Mahantango CkS2028

At a soil climate station/13.2 mi away/730 ft/151 ft below here

temp, humidity, soil temp, soil moisture

measured daily2 instruments

NataliePOPP1

At a cooperative observer's station/2.8 mi away/915 ft/34 ft above here

snowfall, snow depth, precip, high, low

Mount Carmel 0.2 SWPA-NM-4

In a volunteer observer's own ground/7.8 mi away/1,081 ft/200 ft above here

precip, snowfall, snow depth

-

Snow on the ground

Elsewhere in Pennsylvania

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

Near Northumberland County Airport

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

Near Northumberland County Airport