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Westover Metropolitan Airport / Westover Air Reserve Base, Massachusetts

Medium airport in Hampden County, Massachusetts

Air quality

The air at Westover Metropolitan Airport / Westover Air Reserve Base

Index 20, good, led by ozone. Read at 6 AM from its reporting area, Hampden-Hampshire (MA), 7 miles off.

20Good
  • Fine particles (PM2.5)6Good1.3 mi
  • Ozone20Good23 ppb1.3 mi
  • Coarse particles (PM10)4Good-
  • Nitrogen dioxide0Good0 ppb1.3 mi
  • Sulfur dioxide0Good0 ppb5.6 mi

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 24, good.

Smoke, the next 45 hours

No smoke near the ground through Mon 2 AM.

SatSun

Precipitation

What has fallen at Westover Metropolitan Airport / Westover Air Reserve Base

0.35 in in the last 24 hours, and none in the 2 days before, to Sat 5 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.35in
Last 3 days
0.35in

Visibility

How far you can see at Westover Metropolitan Airport / Westover Air Reserve Base, the next 45 hours

Visibility stays 10 miles or more through Mon 2 AM.

SatSun

Airfield

Code
CEF
ICAO
KCEF
IATA
CEF
Field elevation
241 ft
Serves
Chicopee
Kind
Medium airport
Scheduled service
No
Its own instrument
CEF
Wind now
From 350° at 12 mph, read 17 Oct, 05:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
05 / 2311,597 ft300 ftAsphalt34° / 214°9 mph head, on 058 mph from the left
15 / 337,085 ft147 ftAsphalt134° / 314°10 mph head, on 337 mph from the right
052315335,000 ftN350° 12 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 Chicopee/Westover (CEF), Westover Metropolitan Airport / Westover Air Reserve Base's own instrument, measure by measure, on the field's own clock.

Temperature

50 F at 5 AM; 68 F at its warmest, 4 PM Friday, and 50 F at its coolest, 5 AM.

Now
50F
5 AM
Highest
68F
4 PM Friday
Lowest
50F
5 AM
Temperature and Dew point at Chicopee/Westover, temperature from 49.6 to 68.0, the latest 49.6; dew point from 36.0 to 63.3, the latest 36.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF30405060709 AM12 PM3 PM6 PM9 PMOct 173 AM6 AMFREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 36 F, the air 59% saturated; the humidity ran from 56% at 3 AM to 94% at 10 AM Friday.

Dew point now
36F
5 AM
Humidity now
59%
Humidity, range
56 to 94%
Relative humidity at Chicopee/Westover, relative humidity from 56 to 94, the latest 59, in per cent.RELATIVE HUMIDITY%50607080901009 AM12 PM3 PM6 PM9 PMOct 173 AM6 AM

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

Wind

12 mph from the north at 5 AM; at its strongest 15 mph, 11 PM Friday, with a gust of 23 mph at 12 AM.

Now
12mph
from the north
Strongest
15mph
11 PM Friday
Highest gust
23mph
12 AM
Wind and Gust at Chicopee/Westover, wind from 5 to 15, the latest 12; gust from 18 to 23, the latest 18, in miles an hour.WIND AND GUSTmph5101520259 AM12 PM3 PM6 PM9 PMOct 173 AM6 AMWINDGUST
Wind direction at Chicopee/Westover, wind direction from 180 to 350, the latest 350, in degrees.WIND DIRECTION°0901802703609 AM12 PM3 PM6 PM9 PMOct 173 AM6 AM

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

Pressure

29.94 inHg at 5 AM, rising 0.10 inHg over 3 hours; 0.05 inHg higher than a day before.

Now
29.94inHg
5 AM
3 hours
+0.10inHg
rising
24 hours
+0.05inHg
Pressure, altimeter at Chicopee/Westover, pressure, altimeter from 29.58 to 29.94, the latest 29.94, in inches of mercury.PRESSURE, ALTIMETERinHg29.5029.6029.7029.8029.9030.009 AM12 PM3 PM6 PM9 PMOct 173 AM6 AM

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

Visibility

Down to 2 miles at 11 AM Friday; 10 miles or more now.

Now
10+mi
Lowest
2mi
11 AM Friday
Hours under a mile
0
Visibility at Chicopee/Westover, visibility from 2.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5109 AM12 PM3 PM6 PM9 PMOct 173 AM6 AMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 400 ft at 10 AM Friday; a base was reported in 23 of the hours.

Lowest base now
-
Lowest in 24 hours
400ft
10 AM Friday
Hours with a base reported
23
Lowest cloud base at Chicopee/Westover, lowest cloud base from 400 to 7,000, the latest 3,600, in feet.LOWEST CLOUD BASEft02,0004,0006,0008,0009 AM12 PM3 PM6 PM9 PMOct 173 AM6 AMMVFRVFR

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

Precipitation

0.39 in measured in the gauge, the most, 0.16 in, in the hour to 8 AM Friday.

Last 24 hours
0.39in
Wettest hour
0.16in
8 AM Friday
Hours with some
7
Precipitation at Chicopee/Westover, precipitation from 0.00 to 0.16, the latest 0.00, in inches.PRECIPITATIONin0.000.050.100.150.209 AM12 PM3 PM6 PM9 PMOct 173 AM6 AM

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

Chicopee/Westover: 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 Westover Metropolitan Airport / Westover Air Reserve Base, 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

Chicopee/WestoverCEF

At an airfield/0.0 mi away/246 ft/5 ft above here

temp, wind, gust, visibility, precip, pressure

HolyokeMA027

Beside a road/5.3 mi away/403 ft/162 ft above here

temp, pavement temp, wind, visibility, precip

Westfield RiverCSTM3

At a river or reservoir gauge/18.1 mi away/522 ft/281 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Ludlow 0.7 NWMA-HD-43

In a volunteer observer's own ground/2.5 mi away/233 ft/8 ft below here

precip, snowfall, snow depth

0in

Snow on the ground

Measured at Winsor Dam-Quabbin Rsvr (BCNM3), 11.3 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Massachusetts

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

Near Westover Metropolitan Airport / Westover Air Reserve Base

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

Near Westover Metropolitan Airport / Westover Air Reserve Base