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Sylvan Springs, Alabama

Town in Jefferson County, Alabama

Air quality

The air at Sylvan Springs

Index 72, moderate, led by fine particles. Read at 12 AM from its reporting area, Birmingham (AL), 14 miles off.

72Moderate
  • Fine particles (PM2.5)72Moderate12.2 mi
  • Ozone12Good6 ppb5.6 mi
  • Coarse particles (PM10)49Good5.6 mi

The days ahead

Moderate each day through Today, led by fine particles. Yesterday measured 70, moderate.

Smoke, the next 44 hours

Little smoke near the ground through Sat 7 PM: the index from smoke stays at 33 or under.

FriSat

Precipitation

What has fallen at Sylvan Springs

None in the last 3 days, to Thu 11 PM. 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 Sylvan Springs, the next 44 hours

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

FriSat

On the radar over Sylvan Springs, AlabamaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Sylvan Springs, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.9 miles away.

measured now4 instruments

BessemerEKY

At an airfield/14.9 mi away/701 ft/60 ft above here

temp, wind, gust, visibility, precip, pressure

Rank795of 798

Northport 2 S73801

At a climate reference station/38.8 mi away/150 ft/491 ft below here

temp, humidity, wind, solar, precip

Rank545of 798

measured daily2 instruments

Pleasant Grove 0.8 WSWAL-JF-16

In a volunteer observer's own ground/2.9 mi away/676 ft/35 ft above here

precip, snowfall, snow depth

Rank-

City Sewage PltBSMA1

At a cooperative observer's station/8.3 mi away/440 ft/201 ft below here

snowfall, snow depth, precip, high, low

Rank182of 798

Station report

The weather at Citizen station GW1636, drawn

The nearest instrument reporting now, 12.3 mi from Sylvan Springs, Alabama. From its report of undefined: 3 of its 4 sheets.

The wind

Calm.

Plan of the wind at Citizen station GW1636, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW1636FIG. C THE WIND AT CITIZEN STATION GW1636PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR1GUST, 2 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station GW1636, the windSTATION REPORT · CWOP GW1636TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-GW1636-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 991 ft above sea level, 4 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.87 inHg and the temperature at 55.5 F; the station's altimeter setting of 30.20 inHg means its barometer reads 29.13 inHg; it reports 74.0 F, 18.5 F warmer than standard.

Section from sea level of where Citizen station GW1636 stands in the atmosphere, height to scale: the station 991 feet above sea level with 4 per cent of the air below it; the standard atmosphere's pressure there, 28.87 inches of mercury, and temperature, 55.5 degrees Fahrenheit; the altimeter setting of 30.20 and the station pressure it means, 29.13.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW1636FIG. D WHERE CITIZEN STATION GW1636 STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERECITIZEN STATION GW16364 PER CENT OF THE AIR BELOW IT991 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE28.87 inHgSTANDARD TEMPERATURE HERE55.5 FALTIMETER SETTING, REPORTED30.20 inHgITS BAROMETER READS29.13 inHgTEMPERATURE, REPORTED74.0 FTITLECitizen station GW1636, the columnSTATION REPORT · CWOP GW1636TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-GW1636-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 48 degrees above the horizon at 33.41 N, and the day is 11 h 12 min long. Level ground there takes 74 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station GW1636, angles true: on Oct 16 it stands 48 degrees above the horizon, against 80 at the June solstice, 57 at the equinoxes and 33 at the December solstice; the day is 11 h 12 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW1636FIG. E THE SUN AT CITIZEN STATION GW1636ELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 80°EQUINOXES 57°DECEMBER SOLSTICE 33°OCT 16, 48°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 12 MINLEVEL GROUND TAKES 74 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 33.41 N; THE SUN'S DECLINATION -9.1°TITLECitizen station GW1636, the sunSTATION REPORT · CWOP GW1636TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-GW1636-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station GW1636, in 4 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Alabama

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

Near Sylvan Springs

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

Near Sylvan Springs

River and lake gauges