Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
SEMN7
Latitude
35.78730 N
Longitude
78.76380 W
Elevation
-
Listed
Automatically, on 728 reports in 169 hours over the last seven days
Rank
1,441of 2,255 in North Carolina, Oct 16
Observed
11:59 PMEDT, 32 minutes ago

Ranking Statistics

On the radar over Cary 2E - Walnut CreekReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a river or reservoir gauge

Drawn as the kind of place it stands at. 212 instruments in North Carolina stand at one.

Station charts

Cary 2E - Walnut Creek Report

Rank 1,441 of 2,255 in North Carolina, 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 score87.4of 100

North Carolina median
95.0the median score of 2,255 stations
Scoring higher
1,440stations in North Carolina
Sharing its score
2ranks 1,441 to 1,442
Points deducted
12.69.7 reports received, 1.6 continuity, 1.3 arrival
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; North Carolina median 100.0, 100.0, 100.0
Next above
02098197rank 1,440; ahead on 247 score 87.5 against 87.4
Next below
SWMN7rank 1,442; behind on reports received 72.2% against 70.8%

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 3572.225.3 of 35 pointsNorth Carolina median 92.6728 of 1,008 scheduled reports received in 7 days
  2. Arrivalweight 1087.48.7 of 10 pointsNorth Carolina median 95.2half its reports arrived within 16 min
  3. Continuityweight 1083.98.4 of 10 pointsNorth Carolina median 100.0longest silence 50 min, on a schedule of one report every 10 min
  4. Accuracyweight 20-20.0 of 20 points, at the medianNorth Carolina median 100.0-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianNorth Carolina median 100.0-
  6. Forecast checkweight 10-10.0 of 10 points, at the medianNorth Carolina 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 (30 min), none for 72 (12 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
1,441of 2,255 in North Carolina, Oct 16
Schedule
every 10 min
Reports received, 24 hours
101 of 14470.1% of its schedule
Reports received, 7 days
727 of 1,00872.1% of its schedule, 789 reports in all
Days reported, 30 days
-
Longest silence, 7 days
30 minfrom Oct 15, 2:20 AM
Latest report
Oct 15, 10:20 PMlocal time
Time to reach Storm Station
16 min9 in 10 within 19 min

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

Its schedule is one report every 10 min, 144 in 24 hours. Two reports in the same 10 min count as one received.

Chart of the 2,255 ranked stations in North Carolina 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, 12; 10 to 19 per cent, 26; 20 to 29 per cent, 46; 30 to 39 per cent, 10; 40 to 49 per cent, 178; 50 to 59 per cent, 286; 60 to 69 per cent, 199; 70 to 79 per cent, 156; 80 to 89 per cent, 200; 90 to 99 per cent, 591; 100 per cent, 551. Cary 2E - Walnut Creek received 72.2 per cent, 728 of 1,008 scheduled reports, rank 1,441 of 2,255.WHERE IT RANKS IN NORTH CAROLINA, Oct 16THIS ONE: 72.2%, 728 OF 1,008, RANK 1,441 OF 2,255PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 91210 to 192620 to 294630 to 391040 to 4917850 to 5928660 to 6919970 to 7915680 to 8920090 to 99591100551STATIONS, LOG SCALE
Chart of Cary 2E - Walnut Creek's rank in North Carolina by how it reported, day by day, from 2026-09-26 to 2026-10-16: 2026-09-26 rank 673 of 910; 2026-09-27 rank 846 of 915; 2026-09-28 rank 802 of 1,010; 2026-09-29 rank 746 of 1,037; 2026-09-30 rank 765 of 1,043; 2026-10-01 rank 757 of 1,052; 2026-10-02 rank 1,466 of 1,620; 2026-10-03 rank 1,466 of 1,620; 2026-10-04 rank 1,484 of 1,659; 2026-10-05 rank 1,308 of 1,917; 2026-10-06 rank 1,254 of 1,980; 2026-10-07 rank 1,268 of 2,180; 2026-10-08 rank 1,333 of 2,202; 2026-10-09 rank 1,325 of 2,181; 2026-10-10 rank 1,326 of 2,181; 2026-10-11 rank 1,460 of 2,229; 2026-10-12 rank 1,490 of 2,235; 2026-10-13 rank 1,465 of 2,255; 2026-10-14 rank 1,439 of 2,251; 2026-10-15 rank 1,437 of 2,253; 2026-10-16 rank 1,441 of 2,255.ITS RANK IN NORTH CAROLINA, DAY BY DAYRANK, FIRST AT THE TOP15001,0001,500Sep 26Sep 30Oct 4Oct 8Oct 12Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%551
90 to 99%591
80 to 89%200
70 to 79%156
60 to 69%199
50 to 59%286
40 to 49%178
30 to 39%10
20 to 29%46
10 to 19%26
0 to 9%12
DayRankStations rankedShare received
Oct 16, 20261,4412,25572.2%
Oct 15, 20261,4372,25372.8%
Oct 14, 20261,4392,25172.8%
Oct 13, 20261,4652,25572.9%
Oct 12, 20261,4902,23575.4%
Oct 11, 20261,4602,22976.9%
Oct 10, 20261,3262,18176.7%
Oct 9, 20261,3252,18176.7%
Oct 8, 20261,3332,20277.9%
Oct 7, 20261,2682,18079.5%
Oct 6, 20261,2541,98081.0%
Oct 5, 20261,3081,91780.5%
Oct 4, 20261,4841,65974.9%
Oct 3, 20261,4661,62075.1%
Oct 2, 20261,4661,62075.1%
Oct 1, 20267571,05274.0%
Sep 30, 20267651,04373.7%
Sep 29, 20267461,03772.1%
Sep 28, 20268021,01067.9%
Sep 27, 202684691560.0%
Sep 26, 202667391076.4%
Reports received at Cary 2E - Walnut Creek, reports from 1.0 to 6.0, the latest 1.0, in reports.REPORTS RECEIVEDreports02463 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Reports received at Cary 2E - Walnut Creek, reports from 1.0 to 7.0, the latest 1.0, in reports.REPORTS RECEIVEDreports02468Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16

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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