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Rolla National Airport, Missouri

Small airport in Maries County, Missouri

Air quality

The air at Rolla National Airport

Index 15, good, led by ozone. Read at 12 AM from its reporting area, Jefferson City (MO), 43 miles off.

15Good
  • Ozone15Good-

The days ahead

Yesterday measured 18, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Rolla National Airport

0.21 in in the last 24 hours, 0.85 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.21in
Last 3 days
0.85in

Visibility

How far you can see at Rolla National Airport, the next 43 hours

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

FriSat

Airfield

Code
VIH
ICAO
KVIH
IATA
VIH
Field elevation
1,148 ft
Serves
Vichy
Kind
Small airport
Scheduled service
No
Its own instrument
VIH
Wind now
From 320° at 14 mph, read 16 Oct, 00:18

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
04 / 225,500 ft100 ftAsphalt46° / 226°1 mph head, on 0414 mph from the left
13 / 315,501 ft100 ftAsphalt136° / 316°14 mph head, on 311 mph from the right
042213312,000 ftN320° 14 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 Vichy/Rolla (VIH), Rolla National Airport's own instrument, measure by measure, on the field's own clock.

Temperature

66 F at 9 PM; 80 F at its warmest, 2 PM, and 66 F at its coolest, 9 PM.

Now
66F
9 PM
Highest
80F
2 PM
Lowest
66F
9 PM
Temperature and Dew point at Vichy/Rolla, temperature from 65.5 to 80.0, the latest 65.5; dew point from 63.5 to 72.0, the latest 63.5, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF6065707580Oct 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 64 F, the air 93% saturated; the humidity ran from 64% at 4 PM to 100% at 10 PM Wednesday.

Dew point now
64F
9 PM
Humidity now
93%
Humidity, range
64 to 100%
Relative humidity at Vichy/Rolla, relative humidity from 64 to 100, the latest 93, in per cent.RELATIVE HUMIDITY%60708090100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

17 mph from the northwest at 9 PM; at its strongest 17 mph, 9 PM, with a gust of 32 mph at 9 PM.

Now
17mph
from the northwest
Strongest
17mph
9 PM
Highest gust
32mph
9 PM
Wind and Gust at Vichy/Rolla, wind from 0 to 17, the latest 17; gust from 17 to 32, the latest 32, in miles an hour.WIND AND GUSTmph010203040Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Vichy/Rolla, wind direction from 60 to 320, the latest 320, 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

30.04 inHg at 9 PM, rising 0.05 inHg over 3 hours; 0.05 inHg lower than a day before.

Now
30.04inHg
9 PM
3 hours
+0.05inHg
rising
24 hours
-0.05inHg
Pressure, altimeter at Vichy/Rolla, pressure, altimeter from 29.96 to 30.10, the latest 30.04, in inches of mercury.PRESSURE, ALTIMETERinHg29.9530.0030.0530.10Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 0.2 miles at 10 PM Wednesday, under a mile for 1 hour; 7 miles now.

Now
7mi
Lowest
0.2mi
10 PM Wednesday
Hours under a mile
1
Visibility at Vichy/Rolla, visibility from 0.2 to 10.0, the latest 7.0, 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 100 ft at 10 PM Wednesday; a base was reported in 24 of the hours.

Lowest base now
500ft
Lowest in 24 hours
100ft
10 PM Wednesday
Hours with a base reported
24
Lowest cloud base at Vichy/Rolla, lowest cloud base from 100 to 4,000, the latest 500, in feet.LOWEST CLOUD BASEft01,0002,0003,0004,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

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

Precipitation

0.11 in measured in the gauge, the most, 0.07 in, in the hour to 9 AM.

Last 24 hours
0.11in
Wettest hour
0.07in
9 AM
Hours with some
8
Precipitation at Vichy/Rolla, precipitation from 0.00 to 0.07, the latest 0.01, 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

Vichy/Rolla: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 6 instruments nearest Rolla National 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 now4 instruments

Vichy/RollaVIH

At an airfield/0.2 mi away/1,093 ft/55 ft below here

temp, wind, gust, visibility, precip, pressure

Rolla Water StationRALM7

At a river or reservoir gauge/13.0 mi away/984 ft/164 ft below here

temp, wind, gust, humidity, pressure

Carver FarmS2223

At a soil climate station/34.0 mi away/581 ft/567 ft below here

temp, humidity, soil temp, soil moisture

Salem 10 W23909

At a climate reference station/34.5 mi away/1,198 ft/50 ft above here

temp, humidity, wind, solar, precip

measured daily2 instruments

St. James 7.7 NMO-MS-5

In a volunteer observer's own ground/7.2 mi away/942 ft/206 ft below here

precip, snowfall, snow depth

RollaRRGM7

At a cooperative observer's station/12.3 mi away/1,086 ft/62 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Rolla (RRGM7), 12.3 miles from here, read 15 Oct, 07:30. measured daily

Elsewhere in Missouri

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

Near Rolla National Airport

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

Near Rolla National Airport