- Stage now
- 0.31 ftreported Oct 15, 5:35 PM EDT
- 24 hour change
- -
- Elevation
- 338 ftabove sea level
- County
- Baltimore County
- Position
- 39.3133° N, 76.7322° W
- Record since
- 2012
Water level
Dead Run at Woodlawn
Stage is the height of the water's surface above the gauge's own fixed zero, in feet, not the depth of the water. Every point drawn is a reading the gauge sent, at the time it sent it.
How it reports
- Schedule
- every 30 minon the hour's :05 and :35
- Reports received, 24 hours
- 21 of 4843.7% of its schedule
- Reports received, 7 days
- 147 of 33643.7% of its schedule
- Longest silence, 7 days
- 15 hoursfrom Oct 12, 5:35 PM
- Latest report
- Oct 15, 5:35 PMlocal time
- Time to reach Storm Station
- 28 min9 in 10 within 28 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.
Ranking Statistics
247 score68.6of 100
- Maryland median
- 89.0the median score of 736 stations
- Scoring higher
- 675stations in Maryland
- Sharing its score
- 1no other station
- Points deducted
- 31.419.7 reports received, 7.3 continuity, 3.5 arrival, 0.8 forecast check, 0.2 accuracy
- Counted at the median
- Accuracy, instrument checks, forecast checknot measured at this station; Maryland median 99.0, 100.0, 92.1
- Next above
- NDBC-PPTM2rank 675; ahead on 247 score 69.2 against 68.6
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 3543.815.3 of 35 pointsMaryland median 82.1147 of 336 scheduled reports received in 7 days
- Arrivalweight 1064.86.5 of 10 pointsMaryland median 94.0half its reports arrived within 28 min
- Continuityweight 1027.52.8 of 10 pointsMaryland median 100.0longest silence 15 h, on a schedule of one report every 30 min
- Accuracyweight 20-19.8 of 20 points, at the medianMaryland median 99.0-
- Instrument checksweight 15-15.0 of 15 points, at the medianMaryland median 100.0-
- Forecast checkweight 10-9.2 of 10 points, at the medianMaryland median 92.1-
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 (1.5 h), none for 72 (36 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
Near Dead Run at Woodlawn
Gauges
Weather instruments
How to read a gauge
A gauge measures the height of the water where it stands, its stage, in feet above a fixed mark at that gauge. Two gauges' stages are not comparable: each is measured from its own mark, and a reservoir's is often its height above sea level.
The stage shown is the latest the gauge reported, with the time it reported it. Storm Station hears each gauge on its own schedule and ranks it among its state's stations by its 247 score, how reliably it reports and how its readings hold up: that is its 247 rank.