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Shenandoah Municipal Airport, Iowa

Small airport in Fremont County, Iowa

Air quality

The air at Shenandoah Municipal Airport

Index 27, good, led by fine particles. Read at 12 AM from its reporting area, Viking Lake State Park (IA), 24 miles off.

27Good
  • Fine particles (PM2.5)27Good24.4 mi
  • Ozone19Good18 ppb24.4 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 34, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Shenandoah Municipal Airport

0.51 in in the last 24 hours, and none in the 2 days before, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.51in
Last 3 days
0.51in

Visibility

How far you can see at Shenandoah Municipal Airport, the next 43 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 8 miles Sat 6 AM.

FriSat

Airfield

Code
SDA
ICAO
KSDA
IATA
-
Field elevation
971 ft
Serves
Shenandoah
Kind
Small airport
Scheduled service
No
Its own instrument
SDA
Wind now
From 310° at 8 mph, read 16 Oct, 00:30

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
04 / 225,000 ft75 ftConcrete43° / 223°0 mph head, on 048 mph from the left
12 / 303,439 ft75 ftConcrete125° / 305°8 mph head, on 301 mph from the right
042212301,000 ftN310° 8 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 Shenandoah (SDA), Shenandoah Municipal Airport's own instrument, measure by measure, on the field's own clock.

Temperature

48 F at 12 AM; 56 F at its warmest, 12 PM Thursday, and 48 F at its coolest, 12 AM.

Now
48F
12 AM
Highest
56F
12 PM Thursday
Lowest
48F
12 AM
Temperature and Dew point at Shenandoah, temperature from 48.2 to 56.0, the latest 48.2; dew point from 37.4 to 57.2, the latest 37.4, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF3540455055603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16TEMPERATUREDEW 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 66% saturated; the humidity ran from 60% at 10 PM Thursday to 100% at 4 AM Thursday.

Dew point now
37F
12 AM
Humidity now
66%
Humidity, range
60 to 100%
Relative humidity at Shenandoah, relative humidity from 60 to 100, the latest 66, 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

9 mph from the west northwest at 12 AM; at its strongest 20 mph, 10 PM Thursday, with a gust of 33 mph at 10 PM Thursday.

Now
9mph
from the west northwest
Strongest
20mph
10 PM Thursday
Highest gust
33mph
10 PM Thursday
Wind and Gust at Shenandoah, wind from 2 to 20, the latest 9; gust from 15 to 33, the latest 17, in miles an hour.WIND AND GUSTmph0102030403 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16WINDGUST
Wind direction at Shenandoah, wind direction from 10 to 360, the latest 300, 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

30.28 inHg at 12 AM, rising 0.05 inHg over 3 hours; 0.24 inHg higher than a day before.

Now
30.28inHg
12 AM
3 hours
+0.05inHg
rising
24 hours
+0.24inHg
Pressure, altimeter at Shenandoah, pressure, altimeter from 29.97 to 30.28, the latest 30.28, in inches of mercury.PRESSURE, ALTIMETERinHg29.9030.0030.1030.2030.303 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Visibility

Down to 2 miles at 3 AM Thursday; 10 miles or more now.

Now
10+mi
Lowest
2mi
3 AM Thursday
Hours under a mile
0
Visibility at Shenandoah, visibility from 1.5 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

Cloud base

The lowest cloud base came down to 1,300 ft at 4 AM Thursday; a base was reported in 22 of the hours.

Lowest base now
-
Lowest in 24 hours
1,300ft
4 AM Thursday
Hours with a base reported
22
Lowest cloud base at Shenandoah, lowest cloud base from 1,300 to 6,000, the latest 6,000, in feet.LOWEST CLOUD BASEft02,0004,0006,0003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16MVFRVFR

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

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

Shenandoah: 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 Shenandoah Municipal Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now3 instruments

ShenandoahSDA

At an airfield/0.2 mi away/971 ft/level with here

temp, wind, gust, visibility, precip, pressure

Sidney (I-29/IA 2)RSDI4

Beside a road/19.8 mi away/942 ft/29 ft below here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Shenandoah 0.3 SIA-PG-2

In a volunteer observer's own ground/2.4 mi away/1,017 ft/46 ft above here

precip, snowfall, snow depth

ShenandoahSDHI4

At a cooperative observer's station/4.0 mi away/958 ft/13 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Shenandoah (SDHI4), 4.0 miles from here, read 15 Oct, 06:00. measured daily

Elsewhere in Iowa

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

Near Shenandoah Municipal Airport

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

Near Shenandoah Municipal Airport