Storm Station
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At a tide gauge

DCP network, identified by the register

Identifier
NDBC-OMHC1
Latitude
37.80100 N
Longitude
122.33000 W
Elevation
-
Rank
4,199of 4,465 in California, Oct 16
Observed
9:54 PMPDT, 45 minutes ago
Wind
2mph
Gust
5mph
Wind direction
10°

Ranking Statistics

On the radar over Oakland Middle HarborReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a tide gauge

Drawn as the kind of place it stands at. 27 instruments in California stand at one.

Station charts

Oakland Middle Harbor Report

Rank 4,199 of 4,465 in California, 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 score66.8of 100

California median
91.6the median score of 4,465 stations
Scoring higher
4,198stations in California
Sharing its score
1no other station
Points deducted
33.214.8 reports received, 8.2 continuity, 6.6 arrival, 2.9 accuracy, 0.8 forecast check
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; California median 85.6, 100.0, 92.4
Next above
NDBC-UPBC1rank 4,194; ahead on 247 score 66.9 against 66.8
Next below
AOMC1rank 4,200; behind on 247 score 66.8 against 66.7

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 3557.720.2 of 35 pointsCalifornia median 98.5323 of 560 scheduled reports received in 7 days
  2. Arrivalweight 1034.13.4 of 10 pointsCalifornia median 81.2half its reports arrived within 43 min
  3. Continuityweight 1018.51.9 of 10 pointsCalifornia median 100.0longest silence 12 h, on a schedule of one report every 18 min
  4. Accuracyweight 20-17.1 of 20 points, at the medianCalifornia median 85.6-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianCalifornia median 100.0-
  6. Forecast checkweight 10-9.2 of 10 points, at the medianCalifornia median 92.4-

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 (54 min), none for 72 (21.6 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
Rank
4,199of 4,465 in California, Oct 16
Schedule
every 18 minon the hour's :00, :18, :30 and :48
Reports received, 24 hours
58 of 8072.5% of its schedule, 64 reports in all
Reports received, 7 days
338 of 56060.3% of its schedule, 403 reports in all
Days reported, 30 days
-
Longest silence, 7 days
12 hoursfrom Oct 14, 3:18 AM
Latest report
Oct 16, 4:54 AMlocal time
Time to reach Storm Station
43 min9 in 10 within 53 min

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

Its schedule is one report every 18 min, 80 in 24 hours. Two reports in the same 18 min count as one received.

Chart of the 4,465 ranked stations in California 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, 78; 10 to 19 per cent, 83; 20 to 29 per cent, 45; 30 to 39 per cent, 22; 40 to 49 per cent, 118; 50 to 59 per cent, 285; 60 to 69 per cent, 120; 70 to 79 per cent, 209; 80 to 89 per cent, 391; 90 to 99 per cent, 2,034; 100 per cent, 1,080. Oakland Middle Harbor received 57.6 per cent, 323 of 560 scheduled reports, rank 4,199 of 4,465.WHERE IT RANKS IN CALIFORNIA, Oct 16THIS ONE: 57.6%, 323 OF 560, RANK 4,199 OF 4,465PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101001,0000 to 97810 to 198320 to 294530 to 392240 to 4911850 to 5928560 to 6912070 to 7920980 to 8939190 to 992,0341001,080STATIONS, LOG SCALE
Chart of Oakland Middle Harbor's rank in California by how it reported, day by day, from 2026-10-11 to 2026-10-16: 2026-10-11 rank 4,360 of 4,428; 2026-10-12 rank 4,223 of 4,446; 2026-10-13 rank 4,175 of 4,464; 2026-10-14 rank 4,170 of 4,466; 2026-10-15 rank 4,217 of 4,462; 2026-10-16 rank 4,199 of 4,465.ITS RANK IN CALIFORNIA, DAY BY DAYRANK, FIRST AT THE TOP12,0004,0006,000Oct 11Oct 12Oct 13Oct 14Oct 15Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%1,080
90 to 99%2,034
80 to 89%391
70 to 79%209
60 to 69%120
50 to 59%285
40 to 49%118
30 to 39%22
20 to 29%45
10 to 19%83
0 to 9%78
DayRankStations rankedShare received
Oct 16, 20264,1994,46557.6%
Oct 15, 20264,2174,46247.5%
Oct 14, 20264,1704,46642.3%
Oct 13, 20264,1754,46432.6%
Oct 12, 20264,2234,44622.5%
Oct 11, 20264,3604,42811.6%

Station report

Oakland Middle Harbor, in 2 sheets

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

1The sun

Contents

On Oct 16 the noon sun stands 43 degrees above the horizon at 37.80 N, and the day is 11 h 03 min long. Level ground there takes 68 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Oakland Middle Harbor, angles true: on Oct 16 it stands 43 degrees above the horizon, against 76 at the June solstice, 52 at the equinoxes and 29 at the December solstice; the day is 11 h 03 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NDBC-OMHC1FIG. E THE SUN AT OAKLAND MIDDLE HARBORELEVATION 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 52°DECEMBER SOLSTICE 29°OCT 16, 43°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 03 MINLEVEL GROUND TAKES 68 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 37.80 N; THE SUN'S DECLINATION -9.1°TITLEOakland Middle Harbor, the sunSTATION REPORT · DCP NDBC-OMHC1TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 1 of 2DATE2026-10-16IDSR-NDBCOMHC1-1DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

2The instrument

Contents

A data collection platform. Its sensors, as its network builds them.

Elevation of a data collection platform, Oakland Middle Harbor, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NDBC-OMHC1FIG. 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 SCALETITLEOakland Middle Harbor, the instrumentSTATION REPORT · DCP NDBC-OMHC1TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 2 of 2DATE2026-10-16IDSR-NDBCOMHC1-2DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

The instrumentWhat an instrument is FB-INS-001

What it seesMoon and tides FB-CLK-003Hurricane FB-EVT-043Nor'easter FB-EVT-066Flash flood FB-EVT-100Coastal flood FB-EVT-105

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