21:40 · Watch
Forty-two gauges, one map.
Every river gauge, rain gauge and drain sensor in the borough on one live map. The radar shows tonight's band of rain moving in from the west.
23:15 · The rise
See the river before it peaks.
The Calder is rising 18 cm an hour. Brookwatch forecasts the peak from upstream gauges and rainfall, and it will cross the warning line at 02:10.
23:22 · Warn
Draw the area, send the warning.
Select the streets at risk, check the plain-English message and send it by text, app, phone call and the council website at once.
06:30 · After
Everyone accounted for.
The river peaks below the barrier and falls by dawn. Ninety-six per cent of residents confirmed they were safe, and the incident log writes itself.
Live mapAll normal21:40
42Gauges online
2Rising fast
4.2mm/h, borough avg
0Residents subscribed
River Calder at Elland Bridge
Gauge CV-07 · reported every 5 min · upstream: Todmorden, Hebden Bridge
1.12 m
+0.18 m/h
+0.18 m/h
3.52.82.11.40.70
2.96 mForecast peak
02:10Crosses warning line
3.10 mBarrier crest
412Properties at risk
New flood warning
AlertWarningSevere
TextAppPhone callWebsiteSirens
Recipients in area0
Send warning
Ready
Warning delivered to 3,412 peopleText 2,980 · App 1,604 · Calls 214
Flood barrier closed, Elland WharfField team 2 · photo attached
Sandbags delivered, Gas Works Lane48 bags · 6 homes
Peak 2.94 m, 16 cm below barrier crestGauge CV-07
Warning stood downRiver falling 9 cm/h
0%Residents confirmed safe
0Homes flooded internally
1 h 58 mWarning lead time before peak
✓
Incident report ready
Shared with the Environment Agency
Shared with the Environment Agency