Storm Station
Sign in

Cape Cod Coast Guard Air Station, Massachusetts

Small airport in Barnstable County, Massachusetts

Air quality

The air at Cape Cod Coast Guard Air Station

Index 31, good, led by ozone. Read at 1 AM from its reporting area, Cape Cod and Islands (MA), 9 miles off.

31Good
  • Ozone31Good33 ppb19.5 mi

The days ahead

Good each day through Sat Oct 17, led by fine particles.

Smoke, the next 43 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Cape Cod Coast Guard Air Station

None in the last 24 hours; 0.15 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.15in

Visibility

How far you can see at Cape Cod Coast Guard Air Station, the next 43 hours

Dense fog: visibility falls to 0 miles Fri 9 PM, under a mile for 5 hours.

FriSat

Airfield

Code
FMH
ICAO
KFMH
IATA
FMH
Field elevation
131 ft
Serves
Falmouth
Kind
Small airport
Scheduled service
No
Its own instrument
FMH
Wind now
Calm, read 16 Oct, 01:56

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
05 / 238,000 ft150 ftAsphalt and concrete39° / 219°CalmCalm
14 / 329,501 ft150 ftAsphalt and concrete127° / 307°CalmCalm
052314322,500 ftN
Runways from their surveyed ends, north up, lengths and positions to scale.

Measured here

What the airfield's own instrument measured, the last 24 hours

Every hour from Otis ANGB (FMH), Cape Cod Coast Guard Air Station's own instrument, measure by measure, on the field's own clock.

Temperature

39 F at 1 AM; 61 F at its warmest, 1 PM Thursday, and 37 F at its coolest, 9 PM Thursday.

Now
39F
1 AM
Highest
61F
1 PM Thursday
Lowest
37F
9 PM Thursday
Temperature and Dew point at Otis ANGB, temperature from 37.4 to 60.8, the latest 39.2; dew point from 33.8 to 51.8, the latest 37.4, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF30405060703 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16FREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 37 F, the air 93% saturated; the humidity ran from 41% at 4 PM Thursday to 100% at 9 PM Thursday.

Dew point now
37F
1 AM
Humidity now
93%
Humidity, range
41 to 100%
Relative humidity at Otis ANGB, relative humidity from 41 to 100, the latest 93, in per cent.RELATIVE HUMIDITY%4060801003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Wind

Calm at 1 AM; at its strongest 16 mph, 10 AM Thursday, with a gust of 26 mph at 10 AM Thursday.

Now
0mph
calm
Strongest
16mph
10 AM Thursday
Highest gust
26mph
10 AM Thursday
Wind and Gust at Otis ANGB, wind from 0 to 16, the latest 0; gust from 18 to 26, the latest 18, in miles an hour.WIND AND GUSTmph01020303 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16WINDGUST
Wind direction at Otis ANGB, wind direction from 10 to 360, the latest 20, in degrees.WIND DIRECTION°0901802703603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Pressure

30.17 inHg at 1 AM, falling 0.05 inHg over 3 hours; 0.16 inHg higher than a day before.

Now
30.17inHg
1 AM
3 hours
-0.05inHg
falling
24 hours
+0.16inHg
Pressure, altimeter at Otis ANGB, pressure, altimeter from 30.01 to 30.23, the latest 30.17, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.1030.2030.303 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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
Visibility at Otis ANGB, visibility from 10.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFRMVFRVFR

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

Precipitation

None measured in the gauge in the last 24 hours.

Last 24 hours
0.00in
Wettest hour
-
Hours with some
0

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

Otis ANGB: 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 Cape Cod Coast Guard Air Station, 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

Otis ANGBFMH

At an airfield/0.0 mi away/131 ft/level with here

temp, wind, gust, visibility, precip, pressure

Waquoit Bay ReserveWAXM3

At a river or reservoir gauge/5.4 mi away/16 ft/115 ft below here

temp, wind, gust, humidity, pressure

Sagamore Rt 6MA037

Beside a road/7.8 mi away/129 ft/2 ft below here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Mashpee 2.5 WMA-BA-83

In a volunteer observer's own ground/1.1 mi away/97 ft/34 ft below here

precip, snowfall, snow depth

East SandwichESNM3

At a cooperative observer's station/4.7 mi away/161 ft/30 ft above here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at East Sandwich (ESNM3), 4.7 miles from here, read 14 Oct, 08:30. measured daily

Elsewhere in Massachusetts

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

Near Cape Cod Coast Guard Air Station

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

Near Cape Cod Coast Guard Air Station