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Harry Stern Airport, North Dakota

Small airport in Richland County, North Dakota

Air quality

The air at Harry Stern Airport

Index 12, good, led by ozone. Read at 10 PM from its reporting area, Red River Valley South (MN), 46 miles off.

12Good
  • Fine particles (PM2.5)7Good-
  • Ozone12Good-

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 25, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Harry Stern Airport

0.16 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
0.16in
Last 3 days
0.16in

Visibility

How far you can see at Harry Stern Airport, the next 46 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 8 miles Thu 11 PM.

FriSat

Airfield

Code
BWP
ICAO
KBWP
IATA
WAH
Field elevation
968 ft
Serves
Wahpeton
Kind
Small airport
Scheduled service
No
Its own instrument
BWP
Wind now
From 320° at 18 mph, read 15 Oct, 22:15

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
03 / 21 unlit3,254 ft150 ftGrass38° / 218°4 mph head, on 0318 mph from the left
15 / 335,100 ft75 ftAsphalt157° / 337°17 mph head, on 335 mph from the left
032115332,000 ftN320° 18 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 Wahpeton (BWP), Harry Stern Airport's own instrument, measure by measure, on the field's own clock.

Temperature

45 F at 10 PM; 55 F at its warmest, 2 PM, and 45 F at its coolest, 4 AM.

Now
45F
10 PM
Highest
55F
2 PM
Lowest
45F
4 AM
Temperature and Dew point at Wahpeton, temperature from 44.6 to 54.5, the latest 44.6; dew point from 36.2 to 53.6, the latest 44.6, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF3540455055Oct 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 45 F, the air 100% saturated; the humidity ran from 53% at 3 PM to 100% at 11 PM Wednesday.

Dew point now
45F
10 PM
Humidity now
100%
Humidity, range
53 to 100%
Relative humidity at Wahpeton, relative humidity from 53 to 100, the latest 100, in per cent.RELATIVE HUMIDITY%406080100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

18 mph from the northwest at 10 PM; at its strongest 26 mph, 5 PM, with a gust of 36 mph at 3 PM.

Now
18mph
from the northwest
Strongest
26mph
5 PM
Highest gust
36mph
3 PM
Wind and Gust at Wahpeton, wind from 0 to 26, the latest 18; gust from 17 to 36, the latest 28, in miles an hour.WIND AND GUSTmph010203040Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Wahpeton, wind direction from 180 to 320, the latest 320, 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

30.12 inHg at 10 PM, rising 0.04 inHg over 3 hours; 0.06 inHg lower than a day before.

Now
30.12inHg
10 PM
3 hours
+0.04inHg
rising
24 hours
-0.06inHg
Pressure, altimeter at Wahpeton, pressure, altimeter from 30.01 to 30.19, the latest 30.12, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.0530.1030.1530.20Oct 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 12 AM; 8 miles now.

Now
8mi
Lowest
2mi
12 AM
Hours under a mile
0
Visibility at Wahpeton, visibility from 1.5 to 10.0, the latest 8.0, in miles.VISIBILITYmi02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

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

Precipitation

0.17 in measured in the gauge, the most, 0.07 in, in the hour to 5 AM.

Last 24 hours
0.17in
Wettest hour
0.07in
5 AM
Hours with some
6
Precipitation at Wahpeton, precipitation from 0.00 to 0.07, 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

Wahpeton: 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 Harry Stern 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 now3 instruments

WahpetonBWP

At an airfield/0.0 mi away/967 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

Wahpeton ND 13 MP 384.5ND017

Beside a road/12.9 mi away/962 ft/6 ft below here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Wahpeton 1.0 SSEND-RC-14

In a volunteer observer's own ground/1.1 mi away/965 ft/3 ft below here

precip, snowfall, snow depth

LidgerwoodLGRN8

At a cooperative observer's station/29.4 mi away/1,115 ft/147 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in North Dakota

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

Near Harry Stern Airport

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

Near Harry Stern Airport