Storm Station

In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
EW2631
Latitude
43.06000 N
Longitude
96.17000 W
Elevation
1,424 ft
Rank
-
Air temperature
67F
Relative humidity
47%
Pressure
30.33inHg
Wind
0mph
Gust
5mph
Wind direction
314°
Precipitation this hour
0in
Precipitation today
0in

On the radar over Citizen station EW2631ReflectivityStorm 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. 1,001 instruments in Iowa stand at one.

Station charts

Citizen station EW2631 Report

Rank
-
Time to reach Storm Station
11 s9 in 10 within 27 s
Against its reference, 30 days
+1.1 °Fwarmer than the airport station KSXK, 4.9 miles away, on average over 10 readings; typical difference 1.8 °F

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 1,027 ranked stations in Iowa 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, 1; 10 to 19 per cent, 4; 20 to 29 per cent, 2; 30 to 39 per cent, 26; 40 to 49 per cent, 15; 50 to 59 per cent, 13; 60 to 69 per cent, 99; 70 to 79 per cent, 17; 80 to 89 per cent, 121; 90 to 99 per cent, 437; 100 per cent, 292.WHERE IT RANKS IN IOWA, Oct 4PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9110 to 19420 to 29230 to 392640 to 491550 to 591360 to 699970 to 791780 to 8912190 to 99437100292STATIONS, LOG SCALE
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%292
90 to 99%437
80 to 89%121
70 to 79%17
60 to 69%99
50 to 59%13
40 to 49%15
30 to 39%26
20 to 29%2
10 to 19%4
0 to 9%1

Station report

Citizen station EW2631, 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 EW2631, 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 EW2631FIG. C THE WIND AT CITIZEN STATION EW2631PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE4GUST, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station EW2631, the windSTATION REPORT · CWOP EW2631TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-04IDSR-EW2631-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

2The column

Contents

At 1,424 ft above sea level, 5 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.41 inHg and the temperature at 53.9 F; the station's altimeter setting of 30.33 inHg means its barometer reads 28.80 inHg; it reports 67.0 F, 13.1 F warmer than standard.

Section from sea level of where Citizen station EW2631 stands in the atmosphere, height to scale: the station 1,424 feet above sea level with 5 per cent of the air below it; the standard atmosphere's pressure there, 28.41 inches of mercury, and temperature, 53.9 degrees Fahrenheit; the altimeter setting of 30.33 and the station pressure it means, 28.80.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW2631FIG. D WHERE CITIZEN STATION EW2631 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 EW26315 PER CENT OF THE AIR BELOW IT1,424 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 HERE28.41 inHgSTANDARD TEMPERATURE HERE53.9 FALTIMETER SETTING, REPORTED30.33 inHgITS BAROMETER READS28.80 inHgTEMPERATURE, REPORTED67.0 FTITLECitizen station EW2631, the columnSTATION REPORT · CWOP EW2631TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-04IDSR-EW2631-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

3The sun

Contents

On Oct 4 the noon sun stands 42 degrees above the horizon at 43.06 N, and the day is 11 h 26 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 EW2631, angles true: on Oct 4 it stands 42 degrees above the horizon, against 70 at the June solstice, 47 at the equinoxes and 24 at the December solstice; the day is 11 h 26 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW2631FIG. E THE SUN AT CITIZEN STATION EW2631ELEVATION 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 70°EQUINOXES 47°DECEMBER SOLSTICE 24°OCT 4, 42°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 26 MINLEVEL GROUND TAKES 67 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 43.06 N; THE SUN'S DECLINATION -4.6°TITLECitizen station EW2631, the sunSTATION REPORT · CWOP EW2631TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-04IDSR-EW2631-3DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

4The instrument

Contents

A weather instrument, 1,424 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station EW2631, 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 EW2631FIG. 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 EW2631, the instrumentSTATION REPORT · CWOP EW2631TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 4 of 4DATE2026-10-04IDSR-EW2631-4DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station EW2631

Gauges

Weather instruments

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