Storm Station

In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
K9JVA
Latitude
39.19000 N
Longitude
84.37000 W
Elevation
798 ft
Rank
-
Air temperature
67F
Relative humidity
58%
Pressure
30.19inHg
Precipitation this hour
0in
Precipitation today
0in

On the radar over Citizen station K9JVAReflectivityStorm 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. 1,730 instruments in Ohio stand at one.

Station charts

Citizen station K9JVA Report

Rank
-
Time to reach Storm Station
16 s9 in 10 within 29 s
Against its reference, 30 days
-0.7 °Fcooler than the airport station KI69, 12 miles away, on average over 21 readings; typical difference 3.0 °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 1,278 ranked stations in Ohio 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, 49; 10 to 19 per cent, 79; 20 to 29 per cent, 13; 30 to 39 per cent, 35; 40 to 49 per cent, 21; 50 to 59 per cent, 19; 60 to 69 per cent, 107; 70 to 79 per cent, 40; 80 to 89 per cent, 201; 90 to 99 per cent, 311; 100 per cent, 403.WHERE IT RANKS IN OHIO, Oct 4PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 94910 to 197920 to 291330 to 393540 to 492150 to 591960 to 6910770 to 794080 to 8920190 to 99311100403STATIONS, LOG SCALE
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%403
90 to 99%311
80 to 89%201
70 to 79%40
60 to 69%107
50 to 59%19
40 to 49%21
30 to 39%35
20 to 29%13
10 to 19%79
0 to 9%49

Station report

Citizen station K9JVA, in 3 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 column

Contents

At 798 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.07 inHg and the temperature at 56.2 F; the station's altimeter setting of 30.19 inHg means its barometer reads 29.33 inHg; it reports 67.0 F, 10.8 F warmer than standard.

Section from sea level of where Citizen station K9JVA stands in the atmosphere, height to scale: the station 798 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 29.07 inches of mercury, and temperature, 56.2 degrees Fahrenheit; the altimeter setting of 30.19 and the station pressure it means, 29.33.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT K9JVAFIG. D WHERE CITIZEN STATION K9JVA 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 K9JVA3 PER CENT OF THE AIR BELOW IT798 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 HERE29.07 inHgSTANDARD TEMPERATURE HERE56.2 FALTIMETER SETTING, REPORTED30.19 inHgITS BAROMETER READS29.33 inHgTEMPERATURE, REPORTED67.0 FTITLECitizen station K9JVA, the columnSTATION REPORT · CWOP K9JVATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 3DATE2026-10-04IDSR-K9JVA-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 4 the noon sun stands 46 degrees above the horizon at 39.19 N, and the day is 11 h 30 min long. Level ground there takes 72 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station K9JVA, angles true: on Oct 4 it stands 46 degrees above the horizon, against 74 at the June solstice, 51 at the equinoxes and 27 at the December solstice; the day is 11 h 30 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT K9JVAFIG. E THE SUN AT CITIZEN STATION K9JVAELEVATION 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 74°EQUINOXES 51°DECEMBER SOLSTICE 27°OCT 4, 46°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 30 MINLEVEL GROUND TAKES 72 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 39.19 N; THE SUN'S DECLINATION -4.6°TITLECitizen station K9JVA, the sunSTATION REPORT · CWOP K9JVATYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 2 of 3DATE2026-10-04IDSR-K9JVA-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A weather instrument, 798 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station K9JVA, each sensor drawn and labelled with what it read: air temperature, 67.0 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT K9JVAFIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE67.0 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station K9JVA, the instrumentSTATION REPORT · CWOP K9JVATYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 3 of 3DATE2026-10-04IDSR-K9JVA-3DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station K9JVA

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