Weather/Maryland/Instruments/JPAM2
Joppatowne - Foster Branch
At a river or reservoir gauge in Harford County, MarylandAt a river or reservoir gauge
DCP network, identified by the register
- Identifier
- JPAM2
- Latitude
- 39.40860 N
- Longitude
- 76.34280 W
- Elevation
- -
- Listed
- Automatically, on 326 reports in 165 hours over the last seven days
- Rank
- 327of 564 in Maryland, Oct 4
Now, today, and the week
On the radar over Joppatowne - Foster BranchReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
At a river or reservoir gauge
Drawn as the kind of place it stands at. 3 instruments in Maryland stand at one.
What the snow tracker reads here
Every instrument in this state
-in
Snow on the ground
Station charts
Joppatowne - Foster Branch Report
Rank 327 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 score93.2of 100
- Reports receivedweight 3597.0326 of 336 scheduled reports received in 7 days
- Arrivalweight 1068.2half its reports arrived within 26 min
- Continuityweight 1073.8longest silence 3.5 h, on a schedule of one report every 30 min
- Accuracyweight 20--
- Instrument checksweight 15--
- 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
- 327of 564 in Maryland, Oct 4
- Schedule
- every 30 minon the hour's :05 and :35
- Reports received, 24 hours
- 38 of 4879.1% of its schedule
- Reports received, 7 days
- 321 of 33695.5% of its schedule, 329 reports in all
- Days reported, 30 days
- -
- Longest silence, 7 days
- 3 h 30 minfrom Oct 3, 8:05 PM
- Latest report
- Oct 4, 7:35 AMlocal time
- Time to reach Storm Station
- 26 min9 in 10 within 36 min
From Storm Station's own record of every report it heard from this station.
Its schedule is one report every 30 min, 48 in 24 hours. Two reports in the same 30 min count as one received.
The ranking these charts were drawn from, as tables
| Share of scheduled reports received | Stations |
|---|---|
| 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 |
| Day | Rank | Stations ranked | Share received |
|---|---|---|---|
| Oct 4, 2026 | 327 | 564 | 97.0% |
| Oct 3, 2026 | 248 | 540 | 97.8% |
| Oct 2, 2026 | 249 | 540 | 97.8% |
| Oct 1, 2026 | 169 | 426 | 98.2% |
| Sep 30, 2026 | 176 | 424 | 98.3% |
| Sep 29, 2026 | 191 | 424 | 97.8% |
| Sep 28, 2026 | 178 | 418 | 98.5% |
| Sep 27, 2026 | 187 | 402 | 95.7% |
| Sep 26, 2026 | 299 | 399 | 93.6% |