Storm Station

In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
CW7979
Latitude
37.58000 N
Longitude
77.30000 W
Elevation
145 ft
Rank
-
Air temperature
63F
Relative humidity
99%
Pressure
30.17inHg
Wind
1mph
Gust
1mph
Wind direction
255°
Precipitation this hour
0.1in
Precipitation today
0.4in

On the radar over Citizen station CW7979ReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

In a volunteer observer's own ground

Drawn as the kind of place it stands at. 1,414 instruments in Virginia stand at one.

Station charts

Citizen station CW7979 Report

Rank
-
Time to reach Storm Station
16 s9 in 10 within 30 s
Against its reference, 30 days
-1.2 °Fcooler than the airport station KW96, 11 miles away, on average over 16 readings; typical difference 1.3 °F; also compared with 1 other reference station

Against its reference: each temperature this station reports is compared with the nearest airport or climate reference station that reported within half an hour, up to 15 miles away. The figure is its reading less the reference's, on average, as both were reported; the typical difference is the root mean square. The difference in height is shown where both heights are known.

Chart of the 1,183 ranked stations in Virginia on Oct 4 by the share of their scheduled reports received in Storm Station's own record, up to 7 days, in tenths: 0 to 9 per cent, 4; 10 to 19 per cent, 12; 20 to 29 per cent, 12; 30 to 39 per cent, 24; 40 to 49 per cent, 4; 50 to 59 per cent, 9; 60 to 69 per cent, 89; 70 to 79 per cent, 40; 80 to 89 per cent, 37; 90 to 99 per cent, 569; 100 per cent, 383.WHERE IT RANKS IN VIRGINIA, Oct 4PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9410 to 191220 to 291230 to 392440 to 49450 to 59960 to 698970 to 794080 to 893790 to 99569100383STATIONS, LOG SCALE
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%383
90 to 99%569
80 to 89%37
70 to 79%40
60 to 69%89
50 to 59%9
40 to 49%4
30 to 39%24
20 to 29%12
10 to 19%12
0 to 9%4

Station report

Citizen station CW7979, in 4 sheets

Drawn from its report of undefined, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The wind

Contents

From the west southwest (255 degrees) at 1 mph, gusting 1 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Citizen station CW7979, north up: blowing from 255 degrees, the west southwest, at 1 miles an hour, gusting 1; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CW7979FIG. C THE WIND AT CITIZEN STATION CW7979PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 255°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 1 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station CW7979, the windSTATION REPORT · CWOP CW7979TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-04IDSR-CW7979-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

2The column

Contents

At 145 ft above sea level, 1 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.76 inHg and the temperature at 58.5 F; the station's altimeter setting of 30.17 inHg means its barometer reads 30.01 inHg; it reports 63.0 F, 4.5 F warmer than standard.

Section from sea level of where Citizen station CW7979 stands in the atmosphere, height to scale: the station 145 feet above sea level with 1 per cent of the air below it; the standard atmosphere's pressure there, 29.76 inches of mercury, and temperature, 58.5 degrees Fahrenheit; the altimeter setting of 30.17 and the station pressure it means, 30.01.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CW7979FIG. D WHERE CITIZEN STATION CW7979 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 CW79791 PER CENT OF THE AIR BELOW IT145 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 HERE29.76 inHgSTANDARD TEMPERATURE HERE58.5 FALTIMETER SETTING, REPORTED30.17 inHgITS BAROMETER READS30.01 inHgTEMPERATURE, REPORTED63.0 FTITLECitizen station CW7979, the columnSTATION REPORT · CWOP CW7979TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-04IDSR-CW7979-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

3The sun

Contents

On Oct 4 the noon sun stands 48 degrees above the horizon at 37.58 N, and the day is 11 h 32 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 CW7979, angles true: on Oct 4 it stands 48 degrees above the horizon, against 76 at the June solstice, 52 at the equinoxes and 29 at the December solstice; the day is 11 h 32 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CW7979FIG. E THE SUN AT CITIZEN STATION CW7979ELEVATION 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 76°EQUINOXES 52°DECEMBER SOLSTICE 29°OCT 4, 48°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 32 MINLEVEL GROUND TAKES 74 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 37.58 N; THE SUN'S DECLINATION -4.5°TITLECitizen station CW7979, the sunSTATION REPORT · CWOP CW7979TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-04IDSR-CW7979-3DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

4The instrument

Contents

A weather instrument, 145 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station CW7979, each sensor drawn and labelled with what it read: air temperature, 63.0 f; precipitation gauge, 0.41 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CW7979FIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE63.0 FPRECIPITATION GAUGE0.41 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station CW7979, the instrumentSTATION REPORT · CWOP CW7979TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 4 of 4DATE2026-10-04IDSR-CW7979-4DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station CW7979

Gauges

Weather instruments

Places