Storm Station

At a harbour

DCP network, identified by the register

Identifier
AXTV2
Latitude
38.80530 N
Longitude
77.03830 W
Elevation
-
Listed
Automatically, on 714 reports in 169 hours over the last seven days
Rank
937of 1,183 in Virginia, Oct 4

At a harbour

Drawn as the kind of place it stands at. 0 instruments in Virginia stand at one.

Station charts

Potomac River AT Alexandria Dock Report

Rank 937 of 1,183 in Virginia, Oct 4. 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.

247 score91.7of 100

  1. Reports receivedweight 3585.0714 of 840 scheduled reports received in 7 days
  2. Arrivalweight 1075.5half its reports arrived within 22 min
  3. Continuityweight 1095.1longest silence 42 min, on a schedule of one report every 12 min
  4. Accuracyweight 20--
  5. Instrument checksweight 15--
  6. Forecast checkweight 10--

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.

Rank
937of 1,183 in Virginia, Oct 4
Schedule
every 12 min
Reports received, 24 hours
96 of 12080.0% of its schedule, 122 reports in all
Reports received, 7 days
705 of 84083.9% of its schedule, 885 reports in all
Days reported, 30 days
-
Longest silence, 7 days
42 minfrom Oct 2, 12:36 AM
Latest report
Oct 4, 7:18 AMlocal time
Time to reach Storm Station
22 min9 in 10 within 25 min

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

Its schedule is one report every 12 min, 120 in 24 hours. Two reports in the same 12 min count as one received.

Chart of the 1,183 ranked stations in Virginia 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, 4; 10 to 19 per cent, 12; 20 to 29 per cent, 12; 30 to 39 per cent, 24; 40 to 49 per cent, 4; 50 to 59 per cent, 9; 60 to 69 per cent, 89; 70 to 79 per cent, 40; 80 to 89 per cent, 37; 90 to 99 per cent, 569; 100 per cent, 383. Potomac River AT Alexandria Dock received 85.0 per cent, 714 of 840 scheduled reports, rank 937 of 1,183.WHERE IT RANKS IN VIRGINIA, Oct 4THIS ONE: 85.0%, 714 OF 840, RANK 937 OF 1,183PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9410 to 191220 to 291230 to 392440 to 49450 to 59960 to 698970 to 794080 to 893790 to 99569100383STATIONS, LOG SCALE
Chart of Potomac River AT Alexandria Dock's rank in Virginia by how it reported, day by day, from 2026-09-26 to 2026-10-04: 2026-09-26 rank 575 of 729; 2026-09-27 rank 605 of 733; 2026-09-28 rank 669 of 807; 2026-09-29 rank 697 of 818; 2026-09-30 rank 691 of 818; 2026-10-01 rank 683 of 820; 2026-10-02 rank 935 of 1,140; 2026-10-03 rank 935 of 1,140; 2026-10-04 rank 937 of 1,183.ITS RANK IN VIRGINIA, DAY BY DAYRANK, FIRST AT THE TOP12505007501,000Sep 26Sep 28Sep 30Oct 2Oct 4
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%383
90 to 99%569
80 to 89%37
70 to 79%40
60 to 69%89
50 to 59%9
40 to 49%4
30 to 39%24
20 to 29%12
10 to 19%12
0 to 9%4
DayRankStations rankedShare received
Oct 4, 20269371,18385.0%
Oct 3, 20269351,14085.1%
Oct 2, 20269351,14085.0%
Oct 1, 202668382089.2%
Sep 30, 202669181886.7%
Sep 29, 202669781887.5%
Sep 28, 202666980788.3%
Sep 27, 202660573387.6%
Sep 26, 202657572988.0%
Reports received at Potomac River AT Alexandria Dock, reports from 5.0 to 15.0, the latest 5.0, in reports.REPORTS RECEIVEDreports0510159 AM12 PM3 PM6 PM9 PMOct 43 AM6 AM
Reports received at Potomac River AT Alexandria Dock, reports from 5.0 to 15.0, the latest 5.0, in reports.REPORTS RECEIVEDreports051015Mon 28Tue 29Wed 30Thu 1Fri 2Sat 3Sun 4

Near Potomac River AT Alexandria Dock