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Granite Falls Municipal Airport / Lenzen-Roe Memorial Field, Minnesota

Small airport in Yellow Medicine County, Minnesota

Air quality

The air at Granite Falls Municipal Airport / Lenzen-Roe Memorial Field

Index 24, good, led by fine particles. Read at 10 PM from its reporting area, Southwestern Minnesota (MN), 0 miles off.

24Good
  • Fine particles (PM2.5)24Good24.3 mi
  • Ozone19Good20 ppb24.3 mi
  • Coarse particles (PM10)18Good24.3 mi

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 24, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Granite Falls Municipal Airport / Lenzen-Roe Memorial Field

0.13 in in the last 24 hours, and none in the 2 days before, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.13in
Last 3 days
0.13in

Visibility

How far you can see at Granite Falls Municipal Airport / Lenzen-Roe Memorial Field, the next 46 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 8 miles Fri 1 AM.

FriSat

Airfield

Code
GDB
ICAO
KGDB
IATA
-
Field elevation
1,047 ft
Serves
Granite Falls
Kind
Small airport
Scheduled service
No
Its own instrument
GDB
Wind now
From 290° at 21 mph, read 15 Oct, 22:15

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
15 / 334,357 ft75 ftAsphalt157° / 337°14 mph head, on 3315 mph from the left
15331,000 ftN290° 21 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 Granite Falls (GDB), Granite Falls Municipal Airport / Lenzen-Roe Memorial Field's own instrument, measure by measure, on the field's own clock.

Temperature

48 F at 10 PM; 53 F at its warmest, 4 PM, and 47 F at its coolest, 4 AM.

Now
48F
10 PM
Highest
53F
4 PM
Lowest
47F
4 AM
Temperature and Dew point at Granite Falls, temperature from 47.3 to 53.4, the latest 48.2; dew point from 37.1 to 48.9, the latest 41.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF3540455055Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 41 F, the air 76% saturated; the humidity ran from 60% at 6 PM to 92% at 1 PM.

Dew point now
41F
10 PM
Humidity now
76%
Humidity, range
60 to 92%
Relative humidity at Granite Falls, relative humidity from 60 to 92, the latest 76, in per cent.RELATIVE HUMIDITY%5060708090100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

21 mph from the west northwest at 10 PM; at its strongest 21 mph, 10 PM, with a gust of 32 mph at 5 PM.

Now
21mph
from the west northwest
Strongest
21mph
10 PM
Highest gust
32mph
5 PM
Wind and Gust at Granite Falls, wind from 0 to 21, the latest 21; gust from 16 to 32, the latest 29, in miles an hour.WIND AND GUSTmph010203040Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Granite Falls, wind direction from 20 to 360, the latest 290, in degrees.WIND DIRECTION°090180270360Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Pressure

30.13 inHg at 10 PM, steady over 3 hours; 0.08 inHg lower than a day before.

Now
30.13inHg
10 PM
3 hours
+0.01inHg
steady
24 hours
-0.08inHg
Pressure, altimeter at Granite Falls, pressure, altimeter from 30.05 to 30.21, the latest 30.13, in inches of mercury.PRESSURE, ALTIMETERinHg30.0530.1030.1530.2030.25Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 7 miles at 10 AM; 10 miles or more now.

Now
10+mi
Lowest
7mi
10 AM
Hours under a mile
0
Visibility at Granite Falls, visibility from 7.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 700 ft at 11 AM; a base was reported in 24 of the hours.

Lowest base now
2,400ft
Lowest in 24 hours
700ft
11 AM
Hours with a base reported
24
Lowest cloud base at Granite Falls, lowest cloud base from 700 to 5,000, the latest 2,400, in feet.LOWEST CLOUD BASEft02,0004,0006,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMMVFRVFR

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

Precipitation

0.05 in measured in the gauge, the most, 0.02 in, in the hour to 11 AM.

Last 24 hours
0.05in
Wettest hour
0.02in
11 AM
Hours with some
4
Precipitation at Granite Falls, precipitation from 0.00 to 0.02, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.10Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Granite Falls: 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 Granite Falls Municipal Airport / Lenzen-Roe Memorial 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 now3 instruments

Granite FallsGDB

At an airfield/0.0 mi away/1,047 ft/level with here

temp, wind, gust, visibility, precip, pressure

measured daily2 instruments

Granite Falls 4.7 SMN-YM-7

In a volunteer observer's own ground/0.8 mi away/1,047 ft/level with here

precip, snowfall, snow depth

Granite FallsGRTM5

At a cooperative observer's station/4.4 mi away/1,053 ft/6 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Minnesota

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

Near Granite Falls Municipal Airport / Lenzen-Roe Memorial Field

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

Near Granite Falls Municipal Airport / Lenzen-Roe Memorial Field