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Roscommon County - Blodgett Memorial Airport, Michigan

Small airport in Roscommon County, Michigan

Air quality

The air at Roscommon County - Blodgett Memorial Airport

Index 21, good, led by ozone. Read at 11 PM from its reporting area, Northcentral-Northeast Lower (MI), 32 miles off.

21Good
  • Fine particles (PM2.5)13Good11.5 mi
  • Ozone21Good20 ppb11.5 mi
  • Nitrogen dioxide1Good1.2 ppb11.5 mi

The days ahead

Good each day through Fri Oct 16, led by ozone. Yesterday measured 23, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Roscommon County - Blodgett Memorial Airport

0.59 in in the last 24 hours, 1.55 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.59in
Last 3 days
1.55in

Visibility

How far you can see at Roscommon County - Blodgett Memorial Airport, the next 46 hours

Dense fog: visibility falls to 0.1 miles Fri 1 AM, under a mile for 3 hours.

FriSat

Airfield

Code
HTL
ICAO
KHTL
IATA
HTL
Field elevation
1,150 ft
Serves
Houghton Lake
Kind
Small airport
Scheduled service
No
Its own instrument
HTL
Wind now
From 60° at 7 mph, read 15 Oct, 23:17

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
09 / 274,000 ft75 ftAsphalt89° / 269°6 mph head, on 093 mph from the left
18 / 36 unlit2,200 ft100 ftGrass180° / 0°4 mph head, on 366 mph from the right
092718362,000 ftN60° 7 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 Houghton Lake (HTL), Roscommon County - Blodgett Memorial Airport's own instrument, measure by measure, on the field's own clock.

Temperature

49 F at 11 PM; 53 F at its warmest, 12 PM, and 38 F at its coolest, 1 AM.

Now
49F
11 PM
Highest
53F
12 PM
Lowest
38F
1 AM
Temperature and Dew point at Houghton Lake, temperature from 38.0 to 53.0, the latest 49.0; dew point from 38.0 to 48.0, the latest 48.0, 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 48 F, the air 96% saturated; the humidity ran from 71% at 12 PM to 100% at 1 AM.

Dew point now
48F
11 PM
Humidity now
96%
Humidity, range
71 to 100%
Relative humidity at Houghton Lake, relative humidity from 71 to 100, the latest 96, 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

8 mph from the east northeast at 11 PM; at its strongest 9 mph, 2 PM, and no gust reported.

Now
8mph
from the east northeast
Strongest
9mph
2 PM
Highest gust
-
none reported
Wind at Houghton Lake, wind from 3 to 9, the latest 8, in miles an hour.WINDmph246810Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM
Wind direction at Houghton Lake, wind direction from 40 to 120, the latest 60, 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

29.74 inHg at 11 PM, falling 0.09 inHg over 3 hours; 0.51 inHg lower than a day before.

Now
29.74inHg
11 PM
3 hours
-0.09inHg
falling
24 hours
-0.51inHg
Pressure, altimeter at Houghton Lake, pressure, altimeter from 29.74 to 30.27, the latest 29.74, in inches of mercury.PRESSURE, ALTIMETERinHg29.6029.8030.0030.2030.40Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 1 mile at 5 PM; 3 miles now.

Now
3mi
Lowest
1mi
5 PM
Hours under a mile
0
Visibility at Houghton Lake, visibility from 1.0 to 10.0, the latest 2.5, 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 300 ft at 11 PM; a base was reported in 23 of the hours.

Lowest base now
300ft
Lowest in 24 hours
300ft
11 PM
Hours with a base reported
23
Lowest cloud base at Houghton Lake, lowest cloud base from 300 to 3,000, the latest 300, 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

0.78 in measured in the gauge, the most, 0.17 in, in the hour to 5 PM.

Last 24 hours
0.78in
Wettest hour
0.17in
5 PM
Hours with some
8
Precipitation at Houghton Lake, precipitation from 0.00 to 0.17, the latest 0.03, in inches.PRECIPITATIONin0.000.050.100.150.20Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Houghton Lake: 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 Roscommon County - Blodgett Memorial 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

Houghton LakeHTL

At an airfield/0.0 mi away/1,152 ft/2 ft above here

temp, wind, gust, visibility, precip, pressure

Houghton LakeMC022

Beside a road/6.9 mi away/1,158 ft/8 ft above here

temp, pavement temp, wind, visibility, precip

Roscommon RAWSRSCM4

A remote fire weather station/9.0 mi away/1,148 ft/2 ft below here

temp, wind, gust, humidity, pressure

Gaylord 9 SSW54854

At a climate reference station/37.4 mi away/1,461 ft/311 ft above here

temp, humidity, wind, solar, precip

measured daily2 instruments

Houghton Lake 5.0 ENEMI-RS-8

In a volunteer observer's own ground/0.6 mi away/1,147 ft/3 ft below here

precip, snowfall, snow depth

Houghton LakeHTLM4

At a cooperative observer's station/1.1 mi away/1,141 ft/9 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Michigan

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

Near Roscommon County - Blodgett Memorial Airport

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

Near Roscommon County - Blodgett Memorial Airport