Storm Station
Shell Ridge, California
59° 71°/55°
Overcast· Feels like 59°·Light breeze 6 mph SW
Mostly cloudy, with a low around 54. South wind around 7 mph.
0UV Low
51Air quality
66%Humidity
100%Cloud
Now
12:30 AM
59feels59
now, overcast
Today
Sep 27
7155
13mph
UV 6
overcast
Mon
Sep 28
8152
UV 6
clear day
Tue
Sep 29
9056
UV 6
partly cloudy day
Wed
Sep 30
9362
UV 6
clear day
Thu
Oct 1
9661
UV 6
mostly clear day
Fri
Oct 2
9763
UV 6
overcast
Sat
Oct 3
10168
UV 6
overcast
59°
71°55°
81°52°
90°56°
93°62°
96°61°
97°63°
101°68°

As of 12:30 AM in Shell Ridge, California.

What is measuring near here

The 4 instruments nearest Shell Ridge, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.7 miles away.

measured now2 instruments

Las Trampas RAWSLTRC1

A remote fire weather station/5.1 mi away/1,804 ft/1,563 ft above here

temp, wind, gust, humidity, pressure

Rank606of 3,115

Concord/BuchananCCR

At an airfield/6.2 mi away/16 ft/225 ft below here

temp, wind, gust, visibility, precip, pressure

Rank7of 3,115

measured daily2 instruments

Walnut Creek 1.7 SSECA-CC-4

In a volunteer observer's own ground/1.7 mi away/243 ft/2 ft above here

precip, snowfall, snow depth

Rank-

Diablo - Mount DiabloMDJC1

At a cooperative observer's station/6.0 mi away/3,102 ft/2,861 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Concord/Buchanan, drawn

The nearest airport reporting now, 6.2 mi from Shell Ridge. From its report of Sep 26, 2026, 11:53 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Concord/Buchanan, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CCRFIG. A THE SKY OVER CONCORD/BUCHANANSECTION, 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: 10 MI OR MORE0510TITLEConcord/Buchanan, the skySTATION REPORT · ASOS CCRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-CCR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

61.0 F with a dew point of 51.0 F, 70 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,300 ft up.

Chart of the air at Concord/Buchanan: temperature 61.0 degrees Fahrenheit and dew point 51.0, 70 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CCRFIG. B THE AIR AT CONCORD/BUCHANANTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 2,300 FT ABOVE THE STATION, AT 48.7 FTEMPERATURE 61.0 FDEW POINT 51.0 FSPREAD 10.0 FRELATIVE HUMIDITY 70 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 POINTTITLEConcord/Buchanan, the airSTATION REPORT · ASOS CCRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-CCR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (180 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 18 mph.

Plan of the wind at Concord/Buchanan, north up: blowing from 180 degrees, the south, at 12 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CCRFIG. C THE WIND AT CONCORD/BUCHANANPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 180°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEConcord/Buchanan, the windSTATION REPORT · ASOS CCRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-CCR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Concord/Buchanan, in 6 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in California

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

Near Shell Ridge

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