Storm Station
Sign in

Huntsville International Airport, Alabama

Medium airport in Madison County, Alabama

Air quality

The air at Huntsville International Airport

Index 61, moderate, led by fine particles. Read at 5 AM from its reporting area, Huntsville (AL), 5 miles off.

61Moderate
  • Fine particles (PM2.5)61Moderate10.7 mi
  • Ozone23Good2 ppb9.2 mi
  • Coarse particles (PM10)19Good10.7 mi

The days ahead

Moderate each day through Today, led by fine particles. Yesterday measured 59, moderate.

Smoke, the next 45 hours

Little smoke near the ground through Sun 1 AM: the index from smoke stays at 22 or under.

FriSat

Precipitation

What has fallen at Huntsville International Airport

None in the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Huntsville International Airport, the next 45 hours

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

FriSat

Airfield

Code
HSV
ICAO
KHSV
IATA
HSV
Field elevation
629 ft
Serves
Huntsville
Kind
Medium airport
Scheduled service
Yes
Its own instrument
HSV
Wind now
From 120° at 5 mph, read 16 Oct, 04:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
18L / 36R10,001 ft150 ftAsphalt181° / 1°2 mph head, on 18L4 mph from the left
18R / 36L12,600 ft150 ftAsphalt181° / 1°2 mph head, on 18R4 mph from the left
18L36R18R36L5,000 ftN120° 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 Huntsville/Madison (HSV), Huntsville International Airport's own instrument, measure by measure, on the field's own clock.

Temperature

63 F at 4 AM; 90 F at its warmest, 2 PM Thursday, and 63 F at its coolest, 4 AM.

Now
63F
4 AM
Highest
90F
2 PM Thursday
Lowest
63F
4 AM
Temperature and Dew point at Huntsville/Madison, temperature from 63.0 to 90.0, the latest 63.0; dew point from 59.0 to 66.0, the latest 62.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF50607080906 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 62 F, the air 97% saturated; the humidity ran from 35% at 2 PM Thursday to 97% at 6 AM Thursday.

Dew point now
62F
4 AM
Humidity now
97%
Humidity, range
35 to 97%
Relative humidity at Huntsville/Madison, relative humidity from 35 to 97, the latest 97, in per cent.RELATIVE HUMIDITY%204060801006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Wind

4 mph from the east southeast at 5 AM; at its strongest 9 mph, 12 PM Thursday, with a gust of 18 mph at 2 PM Thursday.

Now
4mph
from the east southeast
Strongest
9mph
12 PM Thursday
Highest gust
18mph
2 PM Thursday
Wind and Gust at Huntsville/Madison, wind from 1 to 9, the latest 4; gust from 18 to 18, the latest 18, in miles an hour.WIND AND GUSTmph051015206 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMWINDGUST
Wind direction at Huntsville/Madison, wind direction from 90 to 280, the latest 110, 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

30.05 inHg at 5 AM, steady over 3 hours; 0.07 inHg lower than a day before.

Now
30.05inHg
5 AM
3 hours
-0.01inHg
steady
24 hours
-0.07inHg
Pressure, altimeter at Huntsville/Madison, pressure, altimeter from 30.04 to 30.15, the latest 30.05, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.0530.1030.156 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Visibility

10 miles or more every hour.

Now
10+mi
Lowest
10+mi
Hours under a mile
0
Visibility at Huntsville/Madison, visibility from 10.0 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 6,000 ft at 12 PM Thursday; a base was reported in 11 of the hours.

Lowest base now
-
Lowest in 24 hours
6,000ft
12 PM Thursday
Hours with a base reported
11
Lowest cloud base at Huntsville/Madison, lowest cloud base from 6,000 to 12,000, the latest 6,000, in feet.LOWEST CLOUD BASEft6,0008,00010,00012,0006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMVFR

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

Huntsville/Madison: 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 Huntsville International Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.9 miles away.

measured now4 instruments

Huntsville/MadisonHSV

At an airfield/0.9 mi away/643 ft/14 ft above here

temp, wind, gust, visibility, precip, pressure

Stanley Farm ScanSTAA1

On a farm or research station/14.9 mi away/635 ft/6 ft above here

temp, wind, gust, humidity, pressure

Stanley FarmS2056

At a soil climate station/14.9 mi away/635 ft/6 ft above here

temp, humidity, soil temp, soil moisture

Cullman 3 ENE63867

At a climate reference station/30.8 mi away/800 ft/171 ft above here

temp, humidity, wind, solar, precip

measured daily2 instruments

Huntsville 8.0 SWAL-MD-89

In a volunteer observer's own ground/2.1 mi away/572 ft/57 ft below here

precip, snowfall, snow depth

Madison 2 NMAFA1

At a cooperative observer's station/6.5 mi away/764 ft/135 ft above here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Madison 2 N (MAFA1), 6.5 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Alabama

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

Near Huntsville International Airport

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

Near Huntsville International Airport