Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
02336340
Latitude
33.89775 N
Longitude
84.34525 W
Elevation
837 ft
Observed
12:30 AMEDT, 1 hour ago
Precipitation in the gauge's latest reading
0in

Ranking Statistics

At a river or reservoir gauge

Drawn as the kind of place it stands at. 243 instruments in Georgia stand at one.

Station charts

Nancy Creek At Johnson Ferry Rd, At Chamblee Report

Rank 569 of 1,277 in Georgia, 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 score97.2of 100

Georgia median
96.5the median score of 1,277 stations
Scoring higher
559stations in Georgia
Sharing its score
17ranks 560 to 576
Points deducted
2.82.6 arrival, 0.2 reports received
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Georgia median 100.0, 100.0, 100.0
Next above
02204037rank 568; ahead on longest silence 105 min against 120 min
Next below
DONG1rank 572; behind on median arrival 22 min 48 s against 23 min 5 s
Sharing its rank
2other stations, equal on every measure

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 3599.434.8 of 35 pointsGeorgia median 99.4167 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1074.47.4 of 10 pointsGeorgia median 84.4half its reports arrived within 23 min
  3. Continuityweight 10100.010.0 of 10 pointsGeorgia median 100.0longest silence 2 h, on a schedule of one report every 60 min
  4. Accuracyweight 20-20.0 of 20 points, at the medianGeorgia median 100.0-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianGeorgia median 100.0-
  6. Forecast checkweight 10-10.0 of 10 points, at the medianGeorgia median 100.0-

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 (3 h), none for 72 (72 h)
Accuracy
Full marks within 1.5 °F of its reference, typically, none beyond 8.0 °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
Schedule
every houron the hour's :30
Reports received, 24 hours
24 of 24100% of its schedule
Reports received, 7 days
167 of 16899.4% of its schedule, 178 reports in all
Days reported, 30 days
-
Longest silence, 7 days
2 hoursfrom Oct 13, 4:30 AM
Latest report
Oct 16, 4:30 AMlocal time
Time to reach Storm Station
23 min9 in 10 within 23 min

From Storm Station's own record of every report it heard from this station.

Its schedule is one report every hour, 24 in 24 hours. Two reports in the same hour count as one received.

Chart of the 1,277 ranked stations in Georgia 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, 0; 10 to 19 per cent, 5; 20 to 29 per cent, 21; 30 to 39 per cent, 2; 40 to 49 per cent, 67; 50 to 59 per cent, 107; 60 to 69 per cent, 34; 70 to 79 per cent, 62; 80 to 89 per cent, 96; 90 to 99 per cent, 431; 100 per cent, 452. Nancy Creek At Johnson Ferry Rd, At Chamblee received 99.4 per cent, 167 of 168 scheduled reports, rank 569 of 1,277.WHERE IT RANKS IN GEORGIA, Oct 16THIS ONE: 99.4%, 167 OF 168, RANK 569 OF 1,277PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 910 to 19520 to 292130 to 39240 to 496750 to 5910760 to 693470 to 796280 to 899690 to 99431100452STATIONS, LOG SCALE
Chart of Nancy Creek At Johnson Ferry Rd, At Chamblee's rank in Georgia by how it reported, day by day, from 2026-10-07 to 2026-10-16: 2026-10-07 rank 1,086 of 1,275; 2026-10-08 rank 1,084 of 1,294; 2026-10-09 rank 931 of 1,288; 2026-10-10 rank 923 of 1,288; 2026-10-11 rank 854 of 1,307; 2026-10-12 rank 772 of 1,314; 2026-10-13 rank 441 of 1,293; 2026-10-14 rank 488 of 1,273; 2026-10-15 rank 545 of 1,279; 2026-10-16 rank 569 of 1,277.ITS RANK IN GEORGIA, DAY BY DAYRANK, FIRST AT THE TOP15001,0001,500Oct 7Oct 9Oct 11Oct 13Oct 15Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%452
90 to 99%431
80 to 89%96
70 to 79%62
60 to 69%34
50 to 59%107
40 to 49%67
30 to 39%2
20 to 29%21
10 to 19%5
0 to 9%0
DayRankStations rankedShare received
Oct 16, 20265691,27799.4%
Oct 15, 20265451,27999.4%
Oct 14, 20264881,27399.4%
Oct 13, 20264411,293100.0%
Oct 12, 20267721,31486.3%
Oct 11, 20268541,30772.0%
Oct 10, 20269231,28857.7%
Oct 9, 20269311,28857.1%
Oct 8, 20261,0841,29429.1%
Oct 7, 20261,0861,27514.8%

Station report

Nancy Creek At Johnson Ferry Rd, At Chamblee, in 3 sheets

Drawn from the register, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The column

Contents

At 837 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.03 inHg and the temperature at 56.0 F.

Section from sea level of where Nancy Creek At Johnson Ferry Rd, At Chamblee stands in the atmosphere, height to scale: the station 837 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 29.03 inches of mercury, and temperature, 56.0 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 02336340FIG. D WHERE NANCY CREEK AT JOHNSON FERRY RD, AT CHAMBLEE 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 ATMOSPHERENANCY CREEK AT JOHNSON FERRY RD, AT CHAMBLEE3 PER CENT OF THE AIR BELOW IT837 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 HERE29.03 inHgSTANDARD TEMPERATURE HERE56.0 FTITLENancy Creek At Johnson Ferry Rd, At Chamblee, the columnSTATION REPORT · DCP 02336340TYPESECTIONSCALEHEIGHT TO SCALEREVFROM THE REGISTER SHEET 1 of 3DATE2026-10-16IDSR-02336340-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 16 the noon sun stands 47 degrees above the horizon at 33.90 N, and the day is 11 h 11 min long. Level ground there takes 73 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Nancy Creek At Johnson Ferry Rd, At Chamblee, angles true: on Oct 16 it stands 47 degrees above the horizon, against 80 at the June solstice, 56 at the equinoxes and 33 at the December solstice; the day is 11 h 11 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 02336340FIG. E THE SUN AT NANCY CREEK AT JOHNSON FERRY RD, AT CHAMBLEEELEVATION 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 80°EQUINOXES 56°DECEMBER SOLSTICE 33°OCT 16, 47°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 11 MINLEVEL GROUND TAKES 73 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 33.90 N; THE SUN'S DECLINATION -9.1°TITLENancy Creek At Johnson Ferry Rd, At Chamblee, the sunSTATION REPORT · DCP 02336340TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 2 of 3DATE2026-10-16IDSR-02336340-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A data collection platform, 837 ft above sea level. Its sensors, as its network builds them.

Elevation of a data collection platform, Nancy Creek At Johnson Ferry Rd, At Chamblee, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 02336340FIG. F THE INSTRUMENTELEVATION OF A DATA COLLECTION PLATFORM, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE-PRECIPITATION GAUGE-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLENancy Creek At Johnson Ferry Rd, At Chamblee, the instrumentSTATION REPORT · DCP 02336340TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 3 of 3DATE2026-10-16IDSR-02336340-3DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Nancy Creek At Johnson Ferry Rd, At Chamblee