TornadoLiveMap

Dead Run near McLean — water level right now

Fairfax County, Virginia · NWS gauge MDRV2
Loading the latest reading…
–
current stage (ft)
 
9
minor flood stage
 
10.54
record crest
set 2022-12-25
–
flood status
official NWS category
Official NOAA forecast → USGS data → Full US flood map →

Flood stages at this gauge

Where the water stands right now against the four official thresholds:

action · 8
minor · 9
moderate · 10
major · 11
Flood stageLevel (ft)What it means
Major flood stage11extensive inundation and significant evacuations — a serious event
Moderate flood stage10some buildings and roads inundated; evacuations possible
Minor flood stage9low-lying roads and fields near the river start to flood
Action stage8water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
110.542022-12-25+1.54 above
28.182019-07-080.82 below
37.422010-08-181.58 below
47.22021-09-011.8 below
56.852011-09-082.15 below

Historic crests recorded at this gauge by the National Weather Service — the 12 highest on file.

Where this gauge is

The marker is this gauge; nearby gauges load live and are clickable.

Nearby river gauges

Difficult Run near Great Falls 4 mi away · loading… Four Mile Run at HWY 29 5 mi away · loading… Difficult Run at Browns Mill Road / Wolf Trap 6 mi away · loading… Tripps Run at Falls Church, VA 6 mi away · loading… Holmes Run at Fairview Lake 7 mi away · loading… Accotink Creek at Woodburn Road / Strathmeade Springs 9 mi away · loading…

Gauge details

NWS gauge IDMDRV2
USGS site01646305
CountyFairfax
StateVirginia
NWS forecast officeSterling
River forecast centerMiddle Atlantic River Forecast Center
Coordinates38.96, -77.176
Time zoneEST5EDT
Turn Around, Don't Drown. Six inches of moving water can knock you off your feet and twelve inches can float a car. Never drive around barricades or into water of unknown depth — most flood deaths happen in vehicles.

Questions about Dead Run near McLean

Is Dead Run near McLean flooding right now?

The live reading at the top of this page answers that: the gauge is compared against its official NWS flood stages every 15 minutes. Minor flooding at this gauge begins at 9 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Dead Run near McLean?

major flood stage 11 ft, moderate flood stage 10 ft, minor flood stage 9 ft, action stage 8 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Dead Run near McLean?

The highest crest on file at this gauge is 10.54 ft, reached on 2022-12-25 — that is 1.54 ft above minor flood stage. The full list of the highest crests is in the table on this page.

Where does this data come from?

From the NOAA National Water Prediction Service, the official U.S. river gauge network — a U.S. government work in the public domain. Live stage is refreshed every 15 minutes; flood thresholds and historic crests are refreshed monthly. For life-safety decisions follow NWS Sterling and local emergency management.