Storm Station
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In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
WX4SNO
Latitude
37.00000 N
Longitude
80.56000 W
Elevation
2,414 ft
Rank
1,396of 1,541 in Virginia, Oct 16
Observed
2:24 AMEDT, 20 minutes ago
Air temperature
67F
Relative humidity
59%
Pressure
30.08inHg
Wind
0mph
Gust
1mph
Wind direction
310°
Precipitation this hour
0in
Precipitation today
0in

Ranking Statistics

On the radar over Citizen station WX4SNOReflectivityStorm 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. 1,431 instruments in Virginia stand at one.

Station charts

Citizen station WX4SNO Report

Rank 1,396 of 1,541 in Virginia, Oct 16. The 247 rank orders a state's stations by their 247 score out of 100: how reliably they report, how accurate their readings are against a reference station, how their readings pass their checks, and how they stand against the forecast.

Ranking Statistics

247 score77.6of 100

Virginia median
95.9the median score of 1,541 stations
Scoring higher
1,395stations in Virginia
Sharing its score
2ranks 1,396 to 1,397
Points deducted
22.414.2 reports received, 3.9 accuracy, 3.9 continuity, 0.4 forecast check
Counted at the median
Forecast checknot measured at this station; Virginia median 96.5
Next above
VA-HN-13rank 1,395; ahead on 247 score 77.7 against 77.6
Next below
VA-CSC-38rank 1,397; behind on reports received 59.3% against 42.8%

Equal scores are ordered by the share of scheduled reports received, then the reports due in the week (the longer record first), then the median arrival, then the longest silence.

  1. Reports receivedweight 3559.320.8 of 35 pointsVirginia median 97.9299 of 504 scheduled reports received in 7 days
  2. Arrivalweight 10100.010.0 of 10 pointsVirginia median 92.7half its reports arrived within 17 s
  3. Continuityweight 1061.36.1 of 10 pointsVirginia median 100.0longest silence 3.4 h, on a schedule of one report every 20 min
  4. Accuracyweight 2080.516.1 of 20 pointsVirginia median 100.0its temperature against the airport station KPSK, 11.3 miles away, over 368 readings: typical difference 3.9 °F beyond a steady offset of -0.5 °F
  5. Instrument checksweight 15100.015.0 of 15 pointsVirginia median 100.00 of 368 readings failed their check against its reference station
  6. Forecast checkweight 10-9.7 of 10 points, at the medianVirginia median 96.5-

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.

How each part is scored
Reports received
Full marks for every scheduled report received, none for none, in proportion between
Arrival
Full marks for a median arrival within 10 min, none at 60 min
Continuity
Full marks for a longest silence of 3 reports or less (60 min), none for 72 (24 h)
Accuracy
Full marks within 2.6 °F of its reference, typically, none beyond 9.1 °F
Instrument checks
Full marks for no reading failed, none for 5 per cent or more
Forecast check
Full marks within 2 °F of the forecast on average, none at 8 °F
Rank
1,396of 1,541 in Virginia, Oct 16
Time to reach Storm Station
17 s9 in 10 within 31 s
Against its reference, 30 days
-0.6 °Fcooler than the airport station KPSK, 11 miles away, on average over 584 readings; typical difference 3.7 °F

The reports received are counted from the network's own archive of this station's reports. Its 247 rank is counted from Storm Station's own record, which holds less than 7 days of it so far: 299 of 504 scheduled reports received, 59.3%.

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 1,541 ranked stations in Virginia on Oct 16 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, 5; 10 to 19 per cent, 17; 20 to 29 per cent, 48; 30 to 39 per cent, 6; 40 to 49 per cent, 81; 50 to 59 per cent, 182; 60 to 69 per cent, 29; 70 to 79 per cent, 130; 80 to 89 per cent, 138; 90 to 99 per cent, 543; 100 per cent, 362. Citizen station WX4SNO received 59.3 per cent, 299 of 504 scheduled reports, rank 1,396 of 1,541.WHERE IT RANKS IN VIRGINIA, Oct 16THIS ONE: 59.3%, 299 OF 504, RANK 1,396 OF 1,541PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9510 to 191720 to 294830 to 39640 to 498150 to 5918260 to 692970 to 7913080 to 8913890 to 99543100362STATIONS, LOG SCALE
Chart of Citizen station WX4SNO's rank in Virginia by how it reported, day by day, from 2026-10-05 to 2026-10-16: 2026-10-05 rank 1,237 of 1,415; 2026-10-06 rank 1,315 of 1,444; 2026-10-07 rank 1,316 of 1,526; 2026-10-08 rank 1,343 of 1,534; 2026-10-09 rank 1,405 of 1,529; 2026-10-10 rank 1,402 of 1,530; 2026-10-11 rank 1,374 of 1,520; 2026-10-12 rank 1,401 of 1,532; 2026-10-13 rank 1,411 of 1,536; 2026-10-14 rank 1,423 of 1,537; 2026-10-15 rank 1,394 of 1,532; 2026-10-16 rank 1,396 of 1,541.ITS RANK IN VIRGINIA, DAY BY DAYRANK, FIRST AT THE TOP15001,0001,500Oct 5Oct 7Oct 9Oct 11Oct 13Oct 15Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%362
90 to 99%543
80 to 89%138
70 to 79%130
60 to 69%29
50 to 59%182
40 to 49%81
30 to 39%6
20 to 29%48
10 to 19%17
0 to 9%5
DayRankStations rankedShare received
Oct 16, 20261,3961,54159.3%
Oct 15, 20261,3941,53255.2%
Oct 14, 20261,4231,53754.5%
Oct 13, 20261,4111,53651.9%
Oct 12, 20261,4011,53251.1%
Oct 11, 20261,3741,52050.3%
Oct 10, 20261,4021,53046.3%
Oct 9, 20261,4051,52946.4%
Oct 8, 20261,3431,53446.4%
Oct 7, 20261,3161,52646.3%
Oct 6, 20261,3151,44446.6%
Oct 5, 20261,2371,41552.4%

Station report

Citizen station WX4SNO, 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 WX4SNO, 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 WX4SNOFIG. C THE WIND AT CITIZEN STATION WX4SNOPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR1GUST, 1 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station WX4SNO, the windSTATION REPORT · CWOP WX4SNOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-WX4SNO-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

2The column

Contents

At 2,414 ft above sea level, 8 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 27.40 inHg and the temperature at 50.4 F; the station's altimeter setting of 30.08 inHg means its barometer reads 27.55 inHg; it reports 67.0 F, 16.6 F warmer than standard.

Section from sea level of where Citizen station WX4SNO stands in the atmosphere, height to scale: the station 2,414 feet above sea level with 8 per cent of the air below it; the standard atmosphere's pressure there, 27.40 inches of mercury, and temperature, 50.4 degrees Fahrenheit; the altimeter setting of 30.08 and the station pressure it means, 27.55.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT WX4SNOFIG. D WHERE CITIZEN STATION WX4SNO 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 WX4SNO8 PER CENT OF THE AIR BELOW IT2,414 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 HERE27.40 inHgSTANDARD TEMPERATURE HERE50.4 FALTIMETER SETTING, REPORTED30.08 inHgITS BAROMETER READS27.55 inHgTEMPERATURE, REPORTED67.0 FTITLECitizen station WX4SNO, the columnSTATION REPORT · CWOP WX4SNOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-WX4SNO-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

3The sun

Contents

On Oct 16 the noon sun stands 44 degrees above the horizon at 37.00 N, and the day is 11 h 05 min long. Level ground there takes 69 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station WX4SNO, angles true: on Oct 16 it stands 44 degrees above the horizon, against 76 at the June solstice, 53 at the equinoxes and 30 at the December solstice; the day is 11 h 05 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT WX4SNOFIG. E THE SUN AT CITIZEN STATION WX4SNOELEVATION 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 53°DECEMBER SOLSTICE 30°OCT 16, 44°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 05 MINLEVEL GROUND TAKES 69 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 37.00 N; THE SUN'S DECLINATION -9.1°TITLECitizen station WX4SNO, the sunSTATION REPORT · CWOP WX4SNOTYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-WX4SNO-3DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

4The instrument

Contents

A weather instrument, 2,414 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station WX4SNO, 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 WX4SNOFIG. 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 WX4SNO, the instrumentSTATION REPORT · CWOP WX4SNOTYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 4 of 4DATE2026-10-16IDSR-WX4SNO-4DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station WX4SNO

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