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Blackwell Tonkawa Municipal Airport, Oklahoma

Small airport in Kay County, Oklahoma

Air quality

The air at Blackwell Tonkawa Municipal Airport

Index 19, good, led by fine particles. Read at 10 PM from its reporting area, Wichita (KS), 66 miles off.

19Good
  • Fine particles (PM2.5)19Good15.3 mi
  • Ozone15Good-
  • Coarse particles (PM10)9Good-
  • Sulfur dioxide0Good0 ppb15.3 mi

The days ahead

Yesterday measured 51, moderate.

Smoke, the next 45 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Blackwell Tonkawa Municipal Airport

0.77 in in the last 24 hours, 1.90 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.77in
Last 3 days
1.90in

Visibility

How far you can see at Blackwell Tonkawa Municipal Airport, the next 45 hours

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

FriSat

Airfield

Code
BKN
ICAO
KBKN
IATA
BWL
Field elevation
1,030 ft
Serves
Blackwell
Kind
Small airport
Scheduled service
No
Its own instrument
BKN
Wind now
From 340° at 18 mph, read 15 Oct, 22:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
17 / 353,501 ft60 ftAsphalt180° / 0°17 mph head, on 356 mph from the left
17351,000 ftN340° 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 Blackwell (BKN), Blackwell Tonkawa Municipal Airport's own instrument, measure by measure, on the field's own clock.

Temperature

57 F at 10 PM; 70 F at its warmest, 11 AM, and 57 F at its coolest, 10 PM.

Now
57F
10 PM
Highest
70F
11 AM
Lowest
57F
10 PM
Temperature and Dew point at Blackwell, temperature from 56.6 to 69.8, the latest 56.6; dew point from 51.2 to 68.0, the latest 51.2, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF5055606570Oct 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 51 F, the air 82% saturated; the humidity ran from 79% at 8 PM to 100% at 12 AM.

Dew point now
51F
10 PM
Humidity now
82%
Humidity, range
79 to 100%
Relative humidity at Blackwell, relative humidity from 79 to 100, the latest 82, 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

18 mph from the north northwest at 10 PM; at its strongest 20 mph, 3 PM, with a gust of 30 mph at 1 PM.

Now
18mph
from the north northwest
Strongest
20mph
3 PM
Highest gust
30mph
1 PM
Wind and Gust at Blackwell, wind from 4 to 20, the latest 18; gust from 22 to 30, the latest 23, in miles an hour.WIND AND GUSTmph0102030Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Blackwell, wind direction from 70 to 350, the latest 340, 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

30.30 inHg at 10 PM, rising 0.08 inHg over 3 hours; 0.40 inHg higher than a day before.

Now
30.30inHg
10 PM
3 hours
+0.08inHg
rising
24 hours
+0.40inHg
Pressure, altimeter at Blackwell, pressure, altimeter from 29.87 to 30.30, the latest 30.30, in inches of mercury.PRESSURE, ALTIMETERinHg29.8030.0030.2030.40Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 0.5 miles at 1 PM, under a mile for 2 hours; 10 miles or more now.

Now
10+mi
Lowest
0.5mi
1 PM
Hours under a mile
2
Visibility at Blackwell, visibility from 0.5 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 200 ft at 8 AM; a base was reported in 22 of the hours.

Lowest base now
-
Lowest in 24 hours
200ft
8 AM
Hours with a base reported
22
Lowest cloud base at Blackwell, lowest cloud base from 200 to 2,500, the latest 2,400, in feet.LOWEST CLOUD BASEft01,0002,0003,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFR

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

Precipitation

0.09 in measured in the gauge, the most, 0.01 in, in the hour to 12 AM.

Last 24 hours
0.09in
Wettest hour
0.01in
12 AM
Hours with some
9
Precipitation at Blackwell, precipitation from 0.00 to 0.01, 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

Blackwell: 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 Blackwell Tonkawa Municipal 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

BlackwellBKN

At an airfield/0.0 mi away/1,030 ft/level with here

temp, wind, gust, visibility, precip, pressure

I-35 & Billings35ST199

Beside a road/18.6 mi away/-/- ft from here

temp, pavement temp, wind, visibility, precip

Arkansas River At Kaw LakeKAWO2

At a river or reservoir gauge/24.2 mi away/1,017 ft/13 ft below here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Blackwell 0.8 SOK-KY-25

In a volunteer observer's own ground/4.3 mi away/1,037 ft/7 ft above here

precip, snowfall, snow depth

BlackwellBLAO2

At a cooperative observer's station/5.8 mi away/1,020 ft/10 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Blackwell (BLAO2), 5.8 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Oklahoma

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

Near Blackwell Tonkawa Municipal Airport

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

Near Blackwell Tonkawa Municipal Airport