Storm Station

In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
DW7793
Latitude
36.02000 N
Longitude
86.72000 W
Elevation
655 ft
Rank
-
Air temperature
66F
Relative humidity
98%
Pressure
30.08inHg
Wind
0mph
Gust
0mph
Wind direction
25°
Precipitation this hour
0in
Precipitation today
0in

On the radar over Citizen station DW7793ReflectivityStorm 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. 1,568 instruments in Tennessee stand at one.

Station charts

Citizen station DW7793 Report

Rank
-
Time to reach Storm Station
26 s
Against its reference, 30 days
-1.6 °Fcooler than the airport station KBNA, 6.5 miles away, on average over 3 readings; typical difference 1.6 °F; also compared with 2 other reference stations

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 836 ranked stations in Tennessee 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, 0; 10 to 19 per cent, 3; 20 to 29 per cent, 0; 30 to 39 per cent, 14; 40 to 49 per cent, 9; 50 to 59 per cent, 16; 60 to 69 per cent, 60; 70 to 79 per cent, 31; 80 to 89 per cent, 21; 90 to 99 per cent, 238; 100 per cent, 444.WHERE IT RANKS IN TENNESSEE, Oct 4PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 910 to 19320 to 2930 to 391440 to 49950 to 591660 to 696070 to 793180 to 892190 to 99238100444STATIONS, LOG SCALE
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%444
90 to 99%238
80 to 89%21
70 to 79%31
60 to 69%60
50 to 59%16
40 to 49%9
30 to 39%14
20 to 29%0
10 to 19%3
0 to 9%0

Station report

Citizen station DW7793, 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

Calm.

Plan of the wind at Citizen station DW7793, 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 DW7793FIG. C THE WIND AT CITIZEN STATION DW7793PLAN, 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 FORCE73TITLECitizen station DW7793, the windSTATION REPORT · CWOP DW7793TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-04IDSR-DW7793-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

2The column

Contents

At 655 ft above sea level, 2 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.22 inHg and the temperature at 56.7 F; the station's altimeter setting of 30.08 inHg means its barometer reads 29.37 inHg; it reports 66.0 F, 9.3 F warmer than standard.

Section from sea level of where Citizen station DW7793 stands in the atmosphere, height to scale: the station 655 feet above sea level with 2 per cent of the air below it; the standard atmosphere's pressure there, 29.22 inches of mercury, and temperature, 56.7 degrees Fahrenheit; the altimeter setting of 30.08 and the station pressure it means, 29.37.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DW7793FIG. D WHERE CITIZEN STATION DW7793 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 DW77932 PER CENT OF THE AIR BELOW IT655 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 HERE29.22 inHgSTANDARD TEMPERATURE HERE56.7 FALTIMETER SETTING, REPORTED30.08 inHgITS BAROMETER READS29.37 inHgTEMPERATURE, REPORTED66.0 FTITLECitizen station DW7793, the columnSTATION REPORT · CWOP DW7793TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-04IDSR-DW7793-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

3The sun

Contents

On Oct 4 the noon sun stands 49 degrees above the horizon at 36.02 N, and the day is 11 h 33 min long. Level ground there takes 76 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station DW7793, angles true: on Oct 4 it stands 49 degrees above the horizon, against 77 at the June solstice, 54 at the equinoxes and 31 at the December solstice; the day is 11 h 33 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DW7793FIG. E THE SUN AT CITIZEN STATION DW7793ELEVATION 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 77°EQUINOXES 54°DECEMBER SOLSTICE 31°OCT 4, 49°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 33 MINLEVEL GROUND TAKES 76 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 36.02 N; THE SUN'S DECLINATION -4.6°TITLECitizen station DW7793, the sunSTATION REPORT · CWOP DW7793TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-04IDSR-DW7793-3DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

4The instrument

Contents

A weather instrument, 655 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station DW7793, each sensor drawn and labelled with what it read: air temperature, 66.0 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DW7793FIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE66.0 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station DW7793, the instrumentSTATION REPORT · CWOP DW7793TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 4 of 4DATE2026-10-04IDSR-DW7793-4DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station DW7793

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