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Southwest Minnesota Regional Airport - Marshall/Ryan Field, Minnesota

Small airport in Lyon County, Minnesota

Air quality

The air at Southwest Minnesota Regional Airport - Marshall/Ryan Field

Index 17, good, led by fine particles. Read at 1 AM from its reporting area, Southwestern Minnesota (MN), 24 miles off.

17Good
  • Fine particles (PM2.5)17Good0.9 mi
  • Ozone17Good14 ppb0.9 mi
  • Coarse particles (PM10)9Good0.9 mi

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 27, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Southwest Minnesota Regional Airport - Marshall/Ryan Field

0.29 in in the last 24 hours, and none in the 2 days before, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.29in
Last 3 days
0.29in

Visibility

How far you can see at Southwest Minnesota Regional Airport - Marshall/Ryan Field, the next 42 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Fri 2 AM.

FriSat

Airfield

Code
MML
ICAO
KMML
IATA
MML
Field elevation
1,183 ft
Serves
Marshall
Kind
Small airport
Scheduled service
No
Its own instrument
MML
Wind now
From 340° at 28 mph, read 16 Oct, 01:56

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
02 / 203,999 ft75 ftAsphalt28° / 208°19 mph head, on 0221 mph from the left
12 / 307,221 ft100 ftAsphalt130° / 310°24 mph head, on 3014 mph from the right
022012302,000 ftN340° 28 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 Marshall/Ryan (MML), Southwest Minnesota Regional Airport - Marshall/Ryan Field's own instrument, measure by measure, on the field's own clock.

Temperature

44 F at 1 AM; 53 F at its warmest, 3 PM Thursday, and 44 F at its coolest, 1 AM.

Now
44F
1 AM
Highest
53F
3 PM Thursday
Lowest
44F
1 AM
Temperature and Dew point at Marshall/Ryan, temperature from 44.3 to 53.0, the latest 44.3; dew point from 37.0 to 48.1, the latest 41.9, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF35404550553 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 42 F, the air 91% saturated; the humidity ran from 61% at 5 PM Thursday to 99% at 11 AM Thursday.

Dew point now
42F
1 AM
Humidity now
91%
Humidity, range
61 to 99%
Relative humidity at Marshall/Ryan, relative humidity from 61 to 99, the latest 91, in per cent.RELATIVE HUMIDITY%607080901003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Wind

22 mph from the north northwest at 1 AM; at its strongest 23 mph, 10 PM Thursday, with a gust of 43 mph at 1 AM.

Now
22mph
from the north northwest
Strongest
23mph
10 PM Thursday
Highest gust
43mph
1 AM
Wind and Gust at Marshall/Ryan, wind from 0 to 23, the latest 22; gust from 21 to 43, the latest 43, in miles an hour.WIND AND GUSTmph02040603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16WINDGUST
Wind direction at Marshall/Ryan, wind direction from 10 to 340, the latest 340, 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

30.18 inHg at 1 AM, rising 0.05 inHg over 3 hours; 0.04 inHg higher than a day before.

Now
30.18inHg
1 AM
3 hours
+0.05inHg
rising
24 hours
+0.04inHg
Pressure, altimeter at Marshall/Ryan, pressure, altimeter from 30.04 to 30.18, the latest 30.18, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.0530.1030.1530.203 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Visibility

Down to 5 miles at 7 AM Thursday; 8 miles now.

Now
8mi
Lowest
5mi
7 AM Thursday
Hours under a mile
0
Visibility at Marshall/Ryan, visibility from 5.0 to 10.0, the latest 8.0, 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 500 ft at 9 AM Thursday; a base was reported in 22 of the hours.

Lowest base now
-
Lowest in 24 hours
500ft
9 AM Thursday
Hours with a base reported
22
Lowest cloud base at Marshall/Ryan, lowest cloud base from 500 to 4,700, the latest 1,400, 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

0.19 in measured in the gauge, the most, 0.06 in, in the hour to 7 AM Thursday.

Last 24 hours
0.19in
Wettest hour
0.06in
7 AM Thursday
Hours with some
15
Precipitation at Marshall/Ryan, precipitation from 0.00 to 0.06, the latest 0.02, in inches.PRECIPITATIONin0.000.030.050.070.103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Marshall/Ryan: 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 Southwest Minnesota Regional Airport - Marshall/Ryan Field, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now3 instruments

Marshall/RyanMML

At an airfield/0.1 mi away/1,178 ft/5 ft below here

temp, wind, gust, visibility, precip, pressure

measured daily2 instruments

DiversionMMLM5

At a cooperative observer's station/1.8 mi away/1,142 ft/41 ft below here

snowfall, snow depth, precip, high, low

Marshall 0.2 ESEMN-LY-20

In a volunteer observer's own ground/1.8 mi away/1,159 ft/24 ft below here

precip, snowfall, snow depth

0in

Snow on the ground

Measured at Diversion (MMLM5), 1.8 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Minnesota

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

Near Southwest Minnesota Regional Airport - Marshall/Ryan Field

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

Near Southwest Minnesota Regional Airport - Marshall/Ryan Field