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Chelsea, Alabama

City in Shelby County, Alabama

Air quality

The air at Chelsea

Index 80, moderate, led by fine particles. Read at 1 AM from its reporting area, Birmingham (AL), 12 miles off.

80Moderate
  • Fine particles (PM2.5)80Moderate18.2 mi
  • Ozone10Good2 ppb11.4 mi
  • Coarse particles (PM10)57Moderate14.9 mi

The days ahead

Moderate each day through Today, led by fine particles. Yesterday measured 72, moderate.

Smoke, the next 43 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 Chelsea

None in the last 3 days, to Fri 12 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 Chelsea, the next 43 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 10 miles Fri 7 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Chelsea, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now4 instruments

AlabasterEET

At an airfield/14.3 mi away/564 ft/82 ft above here

temp, wind, gust, visibility, precip, pressure

Rank643of 798

Clanton 2 NE63891

At a climate reference station/34.0 mi away/584 ft/102 ft above here

temp, humidity, wind, solar, precip

Rank545of 798

measured daily2 instruments

Chelsea 2.1 NNEAL-SH-56

In a volunteer observer's own ground/1.0 mi away/539 ft/57 ft above here

precip, snowfall, snow depth

Rank-

Cahaba Pump HouseCHTA1

At a cooperative observer's station/9.1 mi away/495 ft/13 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Alabaster, drawn

The nearest airport reporting now, 14.3 mi from Chelsea, Alabama. From its report of Oct 16, 2026, 12:53 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 7 mi.

Section of the sky over Alabaster, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EETFIG. A THE SKY OVER ALABASTERSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 7 MI0510TITLEAlabaster, the skySTATION REPORT · ASOS EETTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-EET-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

66.0 F with a dew point of 64.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Alabaster: temperature 66.0 degrees Fahrenheit and dew point 64.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EETFIG. B THE AIR AT ALABASTERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 F80 FSATURATES 500 FT ABOVE THE STATION, AT 63.5 FTEMPERATURE AND DEW POINT 66.0 F, 64.0 FRELATIVE HUMIDITY 93 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEAlabaster, the airSTATION REPORT · ASOS EETTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-EET-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Alabaster, 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 EETFIG. C THE WIND AT ALABASTERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAlabaster, the windSTATION REPORT · ASOS EETTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-EET-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Alabaster, in 6 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 Chelsea

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

Near Chelsea

River and lake gauges