Storm Station

At a river or reservoir gauge

DCP network, identified by the register

Identifier
HTNM2
Latitude
38.87610 N
Longitude
76.82670 W
Elevation
-
Listed
Automatically, on 341 reports in 168 hours over the last seven days
Rank
459of 564 in Maryland, Oct 4
Precipitation this hour
0in
Precipitation today
0.1in

On the radar over Southwest Branch 1 S Truman Drive/LargoReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a river or reservoir gauge

Drawn as the kind of place it stands at. 3 instruments in Maryland stand at one.

Station charts

Southwest Branch 1 S Truman Drive/Largo Report

Rank 459 of 564 in Maryland, 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 score86.6of 100

  1. Reports receivedweight 3567.7341 of 504 scheduled reports received in 7 days
  2. Arrivalweight 1098.2half its reports arrived within 11 min
  3. Continuityweight 1080.9longest silence 1.8 h, on a schedule of one report every 20 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
459of 564 in Maryland, Oct 4
Schedule
every 15 minon the hour's :00 and :50
Reports received, 24 hours
51 of 9653.1% of its schedule, 52 reports in all
Reports received, 7 days
341 of 67250.7% of its schedule, 349 reports in all
Days reported, 30 days
30 of 30
Longest silence, 7 days
1 h 50 minfrom Sep 30, 11:00 PM
Latest report
Oct 4, 8:00 AMlocal time
Time to reach Storm Station
11 min9 in 10 within 21 min

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

Its schedule is one report every 15 min, 96 in 24 hours. Two reports in the same 15 min count as one received.

Chart of the 564 ranked stations in Maryland 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, 2; 10 to 19 per cent, 8; 20 to 29 per cent, 14; 30 to 39 per cent, 16; 40 to 49 per cent, 11; 50 to 59 per cent, 11; 60 to 69 per cent, 42; 70 to 79 per cent, 96; 80 to 89 per cent, 25; 90 to 99 per cent, 190; 100 per cent, 149. Southwest Branch 1 S Truman Drive/Largo received 67.6 per cent, 341 of 504 scheduled reports, rank 459 of 564.WHERE IT RANKS IN MARYLAND, Oct 4THIS ONE: 67.6%, 341 OF 504, RANK 459 OF 564PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9210 to 19820 to 291430 to 391640 to 491150 to 591160 to 694270 to 799680 to 892590 to 99190100149STATIONS, LOG SCALE
Chart of Southwest Branch 1 S Truman Drive/Largo's rank in Maryland by how it reported, day by day, from 2026-09-26 to 2026-10-04: 2026-09-26 rank 365 of 399; 2026-09-27 rank 334 of 402; 2026-09-28 rank 390 of 418; 2026-09-29 rank 396 of 424; 2026-09-30 rank 395 of 424; 2026-10-01 rank 397 of 426; 2026-10-02 rank 484 of 540; 2026-10-03 rank 483 of 540; 2026-10-04 rank 459 of 564.ITS RANK IN MARYLAND, DAY BY DAYRANK, FIRST AT THE TOP1200400600Sep 26Sep 28Sep 30Oct 2Oct 4
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%149
90 to 99%190
80 to 89%25
70 to 79%96
60 to 69%42
50 to 59%11
40 to 49%11
30 to 39%16
20 to 29%14
10 to 19%8
0 to 9%2
DayRankStations rankedShare received
Oct 4, 202645956467.6%
Oct 3, 202648354050.6%
Oct 2, 202648454050.5%
Oct 1, 202639742635.5%
Sep 30, 202639542436.2%
Sep 29, 202639642436.9%
Sep 28, 202639041838.2%
Sep 27, 202633440269.5%
Sep 26, 202636539952.1%
Precipitation at Southwest Branch 1 S Truman Drive/Largo, precipitation from 0.00 to 0.04, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.109 AM12 PM3 PM6 PM9 PMOct 43 AM6 AM
Reports received at Southwest Branch 1 S Truman Drive/Largo, reports from 1.0 to 5.0, the latest 1.0, in reports.REPORTS RECEIVEDreports02469 AM12 PM3 PM6 PM9 PMOct 43 AM6 AM
The readings these charts were drawn from, as a table
HourPrecipitation inReports
Sun 4, 8 AM0.001
Sun 4, 7 AM0.003
Sun 4, 6 AM0.003
Sun 4, 5 AM0.043
Sun 4, 4 AM0.003
Sun 4, 3 AM0.043
Sun 4, 2 AM0.044
Sun 4, 1 AM0.004
Precipitation at Southwest Branch 1 S Truman Drive/Largo, precipitation from 0.00 to 0.04, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.10Mon 28Tue 29Wed 30Thu 1Fri 2Sat 3Sun 4
Reports received at Southwest Branch 1 S Truman Drive/Largo, reports from 1.0 to 13.0, the latest 1.0, in reports.REPORTS RECEIVEDreports051015Mon 28Tue 29Wed 30Thu 1Fri 2Sat 3Sun 4
The readings these charts were drawn from, as a table
HourPrecipitation inReports
Sun 4, 8 AM0.001
Sun 4, 7 AM0.003
Sun 4, 6 AM0.003
Sun 4, 5 AM0.043
Sun 4, 4 AM0.003
Sun 4, 3 AM0.043
Sun 4, 2 AM0.044
Sun 4, 1 AM0.004
Precipitation at Southwest Branch 1 S Truman Drive/Largo, precipitation from 0.00 to 0.75, the latest 0.12, in inches.PRECIPITATIONin0.000.200.400.600.80Sep 5Sep 10Sep 15Sep 20Sep 25Sep 30
The readings these charts were drawn from, as a table
DayPrecipitation in
Oct 40.12
Oct 30.31
Oct 20.32
Oct 10.00
Sep 300.00
Sep 290.00
Sep 280.00
Sep 270.20
Sep 260.39
Sep 250.00
Sep 240.00
Sep 230.39
Sep 220.75
Sep 210.16
Sep 200.00
Sep 190.00
Sep 180.00
Sep 170.04
Sep 160.00
Sep 150.00
Sep 140.00
Sep 130.00
Sep 120.00
Sep 110.63
Sep 100.00
Sep 90.00
Sep 80.00
Sep 70.00
Sep 60.00
Sep 50.00

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

Near Southwest Branch 1 S Truman Drive/Largo

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