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Eastern WV Regional Airport/Shepherd Field, West Virginia

Medium airport in Berkeley County, West Virginia

Air quality

The air at Eastern WV Regional Airport/Shepherd Field

Index 13, good, led by ozone. Read at 4 AM from its reporting area, Martinsburg (WV), 1 mile off.

13Good
  • Fine particles (PM2.5)-9.9 mi
  • Ozone13Good12 ppb4.7 mi
  • Coarse particles (PM10)-9.9 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 15, good.

Smoke, the next 41 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 Eastern WV Regional Airport/Shepherd Field

0.15 in in the last 24 hours, and none in the 2 days before, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.15in
Last 3 days
0.15in

Visibility

How far you can see at Eastern WV Regional Airport/Shepherd Field, the next 41 hours

Mist or haze: visibility falls to 2 miles Fri 6 PM.

FriSat

Airfield

Code
MRB
ICAO
KMRB
IATA
MRB
Field elevation
565 ft
Serves
Martinsburg
Kind
Medium airport
Scheduled service
No
Its own instrument
MRB
Wind now
From 160° at 5 mph, read 16 Oct, 03:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
08 / 268,815 ft150 ftAsphalt71° / 251°0 mph head, on 085 mph from the right
08262,500 ftN160° 5 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 Martinsburg Rgnl (MRB), Eastern WV Regional Airport/Shepherd Field's own instrument, measure by measure, on the field's own clock.

Temperature

60 F at 4 AM; 65 F at its warmest, 5 AM Thursday, and 57 F at its coolest, 8 PM Thursday.

Now
60F
4 AM
Highest
65F
5 AM Thursday
Lowest
57F
8 PM Thursday
Temperature and Dew point at Martinsburg Rgnl, temperature from 57.0 to 65.0, the latest 60.0; dew point from 51.0 to 59.0, the latest 59.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF505560656 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 59 F, the air 96% saturated; the humidity ran from 70% at 9 AM Thursday to 100% at 10 PM Thursday.

Dew point now
59F
4 AM
Humidity now
96%
Humidity, range
70 to 100%
Relative humidity at Martinsburg Rgnl, relative humidity from 70 to 100, the latest 96, in per cent.RELATIVE HUMIDITY%607080901006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Wind

3 mph from the south southeast at 4 AM; at its strongest 9 mph, 6 AM Thursday, with a gust of 16 mph at 5 AM Thursday.

Now
3mph
from the south southeast
Strongest
9mph
6 AM Thursday
Highest gust
16mph
5 AM Thursday
Wind at Martinsburg Rgnl, wind from 1 to 9, the latest 3, in miles an hour.WINDmph02.557.5106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
Wind direction at Martinsburg Rgnl, wind direction from 10 to 170, the latest 160, in degrees.WIND DIRECTION°0901802703606 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Pressure

29.93 inHg at 4 AM, falling 0.09 inHg over 3 hours; 0.20 inHg lower than a day before.

Now
29.93inHg
4 AM
3 hours
-0.09inHg
falling
24 hours
-0.20inHg
Pressure, altimeter at Martinsburg Rgnl, pressure, altimeter from 29.93 to 30.21, the latest 29.93, in inches of mercury.PRESSURE, ALTIMETERinHg29.9030.0030.1030.2030.306 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Visibility

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

Now
10+mi
Lowest
2mi
11 AM Thursday
Hours under a mile
0
Visibility at Martinsburg Rgnl, visibility from 2.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 400 ft at 1 AM; a base was reported in 23 of the hours.

Lowest base now
800ft
Lowest in 24 hours
400ft
1 AM
Hours with a base reported
23
Lowest cloud base at Martinsburg Rgnl, lowest cloud base from 400 to 5,000, the latest 800, in feet.LOWEST CLOUD BASEft02,0004,0006,0006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMMVFRVFR

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

Precipitation

0.11 in measured in the gauge, the most, 0.03 in, in the hour to 2 PM Thursday.

Last 24 hours
0.11in
Wettest hour
0.03in
2 PM Thursday
Hours with some
8
Precipitation at Martinsburg Rgnl, precipitation from 0.00 to 0.03, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Martinsburg Rgnl: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 4 instruments nearest Eastern WV Regional Airport/Shepherd Field, 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 now2 instruments

Martinsburg RgnlMRB

At an airfield/0.0 mi away/558 ft/7 ft below here

temp, wind, gust, visibility, precip, pressure

MartinsburgMTGW2

At a river or reservoir gauge/0.6 mi away/518 ft/47 ft below here

temp, wind, gust, humidity, pressure

measured daily2 instruments

0.8MI W Of P.O (Within City)MRTW2

At a cooperative observer's station/0.8 mi away/535 ft/30 ft below here

snowfall, snow depth, precip, high, low

Martinsburg 3.3 SSWWV-BY-14

In a volunteer observer's own ground/0.9 mi away/547 ft/18 ft below here

precip, snowfall, snow depth

-

Snow on the ground

Elsewhere in West Virginia

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

Near Eastern WV Regional Airport/Shepherd Field

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

Near Eastern WV Regional Airport/Shepherd Field