Weather/Virginia/Instruments/PRPV2
Rocky Run AT Pulte Mclean Regional Pond
At an airfield in Fairfax County, VirginiaAt an airfield
DCP network, identified by the register
- Identifier
- PRPV2
- Latitude
- 38.93780 N
- Longitude
- 77.24140 W
- Elevation
- -
- Listed
- Automatically, on 133 reports in 89 hours over the last seven days
- Observed
- 3:00 AMEDT, 5 hours ago
- Precipitation this hour
- -
- Precipitation today
- -
Now, today, and the week
On the radar over Rocky Run AT Pulte Mclean Regional PondReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
At an airfield
Drawn as the kind of place it stands at. 71 instruments in Virginia stand at one.
What the snow tracker reads here
Every instrument in this state
-in
Snow on the ground
Station charts
Rocky Run AT Pulte Mclean Regional Pond Report
Rank 1,459 of 1,541 in Virginia, 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 score70.7of 100
- Virginia median
- 95.9the median score of 1,541 stations
- Scoring higher
- 1,458stations in Virginia
- Sharing its score
- 1no other station
- Points deducted
- 29.323.5 reports received, 4.7 continuity, 0.8 arrival, 0.4 forecast check
- Counted at the median
- Accuracy, instrument checks, forecast checknot measured at this station; Virginia median 100.0, 100.0, 96.5
- Next above
- RYLV2rank 1,458; ahead on 247 score 70.8 against 70.7
- Next below
- LACV2rank 1,460; behind on 247 score 70.7 against 70.2
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.
- Reports receivedweight 3533.011.6 of 35 pointsVirginia median 97.9133 of 403 scheduled reports received in 7 days
- Arrivalweight 1092.09.2 of 10 pointsVirginia median 92.7half its reports arrived within 14 min
- Continuityweight 1052.95.3 of 10 pointsVirginia median 100.0longest silence 5.6 h, on a schedule of one report every 25 min
- Accuracyweight 20-20.0 of 20 points, at the medianVirginia median 100.0-
- Instrument checksweight 15-15.0 of 15 points, at the medianVirginia median 100.0-
- Forecast checkweight 10-9.7 of 10 points, at the medianVirginia median 96.5-
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 (75 min), none for 72 (30 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
- Schedule
- every 25 min
- Reports received, 24 hours
- 13 of 5722.8% of its schedule, 15 reports in all
- Reports received, 7 days
- 134 of 40333.2% of its schedule, 176 reports in all
- Days reported, 30 days
- 30 of 30
- Longest silence, 7 days
- 5 h 35 minfrom Oct 9, 9:00 AM
- Latest report
- Oct 16, 3:00 AMlocal time
- Time to reach Storm Station
- 14 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 25 min, 57 in 24 hours. Two reports in the same 25 min count as one received.
The ranking these charts were drawn from, as tables
| Share of scheduled reports received | Stations |
|---|---|
| 100% | 362 |
| 90 to 99% | 543 |
| 80 to 89% | 138 |
| 70 to 79% | 130 |
| 60 to 69% | 29 |
| 50 to 59% | 182 |
| 40 to 49% | 81 |
| 30 to 39% | 6 |
| 20 to 29% | 48 |
| 10 to 19% | 17 |
| 0 to 9% | 5 |
| Day | Rank | Stations ranked | Share received |
|---|---|---|---|
| Oct 16, 2026 | 1,459 | 1,541 | 33.0% |
| Oct 15, 2026 | 1,444 | 1,532 | 32.5% |
| Oct 14, 2026 | 1,455 | 1,537 | 32.5% |
| Oct 13, 2026 | 1,451 | 1,536 | 28.0% |
| Oct 12, 2026 | 1,458 | 1,532 | 21.3% |
| Oct 11, 2026 | 1,444 | 1,520 | 19.0% |
| Oct 10, 2026 | 1,464 | 1,530 | 22.3% |
| Oct 9, 2026 | 1,461 | 1,529 | 22.3% |
| Oct 8, 2026 | 1,472 | 1,534 | 22.3% |
| Oct 7, 2026 | 1,458 | 1,526 | 22.3% |
| Oct 6, 2026 | 1,383 | 1,444 | 22.3% |
| Oct 5, 2026 | 1,356 | 1,415 | 21.7% |
| Oct 4, 2026 | 1,162 | 1,183 | 21.7% |
| Oct 3, 2026 | 1,123 | 1,140 | 16.7% |
| Oct 2, 2026 | 1,123 | 1,140 | 16.5% |
| Oct 1, 2026 | 805 | 820 | 16.9% |
| Sep 30, 2026 | 806 | 818 | 17.8% |
| Sep 29, 2026 | 806 | 818 | 18.5% |
| Sep 28, 2026 | 794 | 807 | 20.1% |
| Sep 27, 2026 | 719 | 733 | 24.1% |
| Sep 26, 2026 | 711 | 729 | 26.7% |
The readings these charts were drawn from, as a table
| Hour | Precipitation in | Reports |
|---|---|---|
| Fri 16, 3 AM | 0.00 | 1 |
| Fri 16, 1 AM | 0.04 | 1 |
The readings these charts were drawn from, as a table
| Hour | Precipitation in | Reports |
|---|---|---|
| Fri 16, 3 AM | 0.00 | 1 |
| Fri 16, 1 AM | 0.04 | 1 |
The readings these charts were drawn from, as a table
| Day | Precipitation in |
|---|---|
| Oct 16 | 0.04 |
| Oct 15 | 0.12 |
| Oct 14 | 0.00 |
| Oct 13 | 0.00 |
| Oct 12 | 0.12 |
| Oct 11 | 2.39 |
| Oct 10 | 0.00 |
| Oct 9 | 0.00 |
| Oct 8 | 0.00 |
| Oct 7 | 0.00 |
| Oct 6 | 0.00 |
| Oct 5 | 0.00 |
| Oct 4 | 0.16 |
| Oct 3 | 0.24 |
| Oct 2 | 0.24 |
| Oct 1 | 0.00 |
| Sep 30 | 0.00 |
| Sep 29 | 0.00 |
| Sep 28 | 0.00 |
| Sep 27 | 0.04 |
| Sep 26 | 0.28 |
| Sep 25 | 0.00 |
| Sep 24 | 0.00 |
| Sep 23 | 0.20 |
| Sep 22 | 0.96 |
| Sep 21 | 0.28 |
| Sep 20 | 0.04 |
| Sep 19 | 0.00 |
| Sep 18 | 0.00 |
| Sep 17 | 0.00 |