Storm Station
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In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
GW1551
Latitude
38.68000 N
Longitude
77.28000 W
Elevation
271 ft
Rank
1,389of 1,541 in Virginia, Oct 16
Observed
6:55 AMEDT, 13 minutes ago
Air temperature
62F
Relative humidity
93%
Pressure
29.97inHg
Wind
2mph
Gust
8mph
Wind direction
207°
Precipitation this hour
0in
Precipitation today
0in

Ranking Statistics

On the radar over Citizen station GW1551ReflectivityStorm 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 GW1551 Report

Rank 1,389 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 score77.9of 100

Virginia median
95.9the median score of 1,541 stations
Scoring higher
1,388stations in Virginia
Sharing its score
3ranks 1,389 to 1,391
Points deducted
22.116.3 reports received, 3.2 accuracy, 2.2 continuity, 0.4 forecast check
Counted at the median
Forecast checknot measured at this station; Virginia median 96.5
Next above
NT2Crank 1,388; ahead on 247 score 78.0 against 77.9
Next below
EW1337rank 1,390; behind on reports received 53.2% against 51.3%

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 3553.318.7 of 35 pointsVirginia median 97.9179 of 336 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 1078.27.8 of 10 pointsVirginia median 100.0longest silence 3 h, on a schedule of one report every 30 min
  4. Accuracyweight 2083.916.8 of 20 pointsVirginia median 100.0its temperature against the airport station KDAA, 6.0 miles away, over 144 readings: typical difference 3.1 °F beyond a steady offset of +1.1 °F
  5. Instrument checksweight 15100.015.0 of 15 pointsVirginia median 100.00 of 144 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 (1.5 h), none for 72 (36 h)
Accuracy
Full marks within 2.1 °F of its reference, typically, none beyond 8.6 °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
1,389of 1,541 in Virginia, Oct 16
Time to reach Storm Station
18 s9 in 10 within 30 s
Against its reference, 30 days
+0.5 °Fwarmer than the airport station KDAA, 6.0 miles away, on average over 160 readings; typical difference 3.2 °F; also compared with 2 other reference stations

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: 179 of 336 scheduled reports received, 53.2%.

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 GW1551 received 53.2 per cent, 179 of 336 scheduled reports, rank 1,389 of 1,541.WHERE IT RANKS IN VIRGINIA, Oct 16THIS ONE: 53.2%, 179 OF 336, RANK 1,389 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 GW1551's rank in Virginia by how it reported, day by day, from 2026-10-05 to 2026-10-16: 2026-10-05 rank 1,273 of 1,415; 2026-10-06 rank 1,257 of 1,444; 2026-10-07 rank 1,282 of 1,526; 2026-10-08 rank 1,270 of 1,534; 2026-10-09 rank 1,296 of 1,529; 2026-10-10 rank 1,309 of 1,530; 2026-10-11 rank 1,289 of 1,520; 2026-10-12 rank 1,288 of 1,532; 2026-10-13 rank 1,253 of 1,536; 2026-10-14 rank 1,235 of 1,537; 2026-10-15 rank 1,282 of 1,532; 2026-10-16 rank 1,389 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, 20261,3891,54153.2%
Oct 15, 20261,2821,53261.5%
Oct 14, 20261,2351,53762.6%
Oct 13, 20261,2531,53661.9%
Oct 12, 20261,2881,53258.7%
Oct 11, 20261,2891,52058.1%
Oct 10, 20261,3091,53056.6%
Oct 9, 20261,2961,52956.9%
Oct 8, 20261,2701,53455.7%
Oct 7, 20261,2821,52652.9%
Oct 6, 20261,2571,44454.5%
Oct 5, 20261,2731,41550.0%

Station report

Citizen station GW1551, 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 south southwest (207 degrees) at 2 mph, gusting 8 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Citizen station GW1551, north up: blowing from 207 degrees, the south southwest, at 2 miles an hour, gusting 8; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW1551FIG. C THE WIND AT CITIZEN STATION GW1551PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 207°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 2 MPH2LIGHT BREEZE43GENTLE BREEZE8GUST, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station GW1551, the windSTATION REPORT · CWOP GW1551TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-GW1551-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

2The column

Contents

At 271 ft above sea level, 1 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.63 inHg and the temperature at 58.0 F; the station's altimeter setting of 29.97 inHg means its barometer reads 29.68 inHg; it reports 62.0 F, 4.0 F warmer than standard.

Section from sea level of where Citizen station GW1551 stands in the atmosphere, height to scale: the station 271 feet above sea level with 1 per cent of the air below it; the standard atmosphere's pressure there, 29.63 inches of mercury, and temperature, 58.0 degrees Fahrenheit; the altimeter setting of 29.97 and the station pressure it means, 29.68.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW1551FIG. D WHERE CITIZEN STATION GW1551 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 GW15511 PER CENT OF THE AIR BELOW IT271 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 HERE29.63 inHgSTANDARD TEMPERATURE HERE58.0 FALTIMETER SETTING, REPORTED29.97 inHgITS BAROMETER READS29.68 inHgTEMPERATURE, REPORTED62.0 FTITLECitizen station GW1551, the columnSTATION REPORT · CWOP GW1551TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-GW1551-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

3The sun

Contents

On Oct 16 the noon sun stands 42 degrees above the horizon at 38.68 N, and the day is 11 h 01 min long. Level ground there takes 67 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station GW1551, angles true: on Oct 16 it stands 42 degrees above the horizon, against 75 at the June solstice, 51 at the equinoxes and 28 at the December solstice; the day is 11 h 01 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW1551FIG. E THE SUN AT CITIZEN STATION GW1551ELEVATION 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 75°EQUINOXES 51°DECEMBER SOLSTICE 28°OCT 16, 42°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 01 MINLEVEL GROUND TAKES 67 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 38.68 N; THE SUN'S DECLINATION -9.1°TITLECitizen station GW1551, the sunSTATION REPORT · CWOP GW1551TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-GW1551-3DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

4The instrument

Contents

A weather instrument, 271 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station GW1551, each sensor drawn and labelled with what it read: air temperature, 62.0 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW1551FIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE62.0 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station GW1551, the instrumentSTATION REPORT · CWOP GW1551TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 4 of 4DATE2026-10-16IDSR-GW1551-4DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

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