J. W. Flannagan Lake

Time of last update: 1330 EST 09 FEB 2012

| (276) 835-9544 | Fax: (276) 835-8717 | 192 White Water Road | Haysi, VA 24256-9736 |

| DISCLAIMER | J.W. Flannagan Lake Data Sheets | Weather | LRH J.W. Flannagan Lake Information Page | Big Sandy Basin Overview |

NOTE: All official forecasts are published by the National Weather Service.


Current Pool: 1380.23 (ft)at 1230
Summer Pool: 1396.00  
Winter Pool: 1380.00  
Alert Pool: 1415.00  
Record Pool: 1430.72 (7 APRIL 1977 )
Spillway Crest: 1446.00 (Gated)
Top of Dam: 1465.00  
Click on "Current Pool" for last 3 days lake elevation.


Outflow Discharge Controls
Current Outflow as of 1230 was 330.92 (cfs)
Stage as of 1230 was 3.18 (ft)
  Summer (April 16 - Nov 30) Winter (Dec 1 - April 15)
  Stage (ft) Flow (cfs) Stage (ft) Flow (cfs)
Minimum: 2.11 50.0 1.77 10.00
Maximum w/o Directive: 5.8 2012.0 5.8 2012.0
Maximum w/ Directive: 7.8 4048.0 7.8 4048.0


Downstream Controls
  Current
Conditions
Summer
Controls
Winter
Controls
Flow
Time
Station Stage (ft) Flow (cfs) Stage (ft) Flow (cfs) Stage (ft) Flow (cfs) (hrs)
Bartlick at 1200 8.77 908.07 14.0 7132.0 14.0 7132.0 0.2 hrs
Elkhorn City at 1230 7.51 904.03 12.5 10990.0 12.5 10990.0 3.0 hrs
Pikeville at 1200 10.07 2364.99 23.0 13875.0 31.6 27048.5 9.0 hrs
Prestonsburg at 1230 6.83 3048.98 21.0 14210.0 33.0 28241.7 25.0 hrs
Paintsville at 1230 7.75 3724.95 20.0 15100.0 29.0 24810.0 33.0 hrs
Fullers at 1230 11.01 7352.90 45.0 85000.0 45.0 85000.0 50.0 hrs
Ashland at 1200 35.44 180729.80 53.0 437000.0 53.0 437000.0 76.0 hrs
Red indicates stage is greater than 90% of Control


John W. Flannagan Impact Elevations
Below 1370.00: Marina Launch Ramp unusable.
           1380.00:  WINTER POOL
Below 1391.00: Cranesnest Launch Ramp unusable; Spillway Recreation Area Launch Ramp unusable;
           and Twin Launch Ramp unusable.
Below 1392.00: Pound River Launch Ramp unusable.
           1396.00:  SUMMER POOL
Above 1397.60: Lower Twin Launch Parking Lot starts to flood.
Above 1400.00: Cranesnest Launch Ramp unusable.
Above 1403.00: Spillway Launch Ramp unusable.
Above 1404.00: Pound River Launch Ramp inaccessible.
Above 1410.00: Cranesnest low water bridge covered and lower end Pound River pit toilets flooded.
Above 1413.00: Marina Launch Ramp inoperable and Marina Parking Lot starts to flood.
Above 1415.00: Cranesnest Camping #1 and #3 start to flood.
Above 1420.00: Cranesnest Camping #2 starts to flood and #3 is flooded.
Above 1422.50: Cranesnest Washhouse starts to flood.
Above 1426.00: Cranesnest Camping #1 and #2 flooded.
Above 1430.00: Lower Twin Washhouse starts to flood.
Above 1444.73 Lower Twin Sewage Treatment Plant begins to flood.
Above 1446.50: Marina Comfort Station begins to flood.
           1455.00:  Maximum Design Pool.
Red indicates current conditions
Orange indicates pool within 1' of the impacting elevation