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St. Johns Riverat Lake Harney, FL (Gauge GENF1)
Observation History | Stage Impacts/Record Events
Stages:
Normal
Action
Flood
Moderate Flood
Major Flood
River Stage Data for Gauge GENF1
Normal Stage: 0.89 ft
Flow: 223 kcfs*
(impacts and historical events)
Action Stages:
8': Action
8.5': Flood
9': Moderate Flood
10': Major Flood
Gauge GENF1 History chart | graph
Stage Date CST Stage ft Flow kcfs
CURRENT 01/08/2009 01:30 am 0.89 0.458
  01/08/2009 01:00 am 0.89 0.458
  01/08/2009 12:30 am 0.89 0.458
  01/08/2009 12:00 am 0.89 0.458
  01/07/2009 11:30 pm 0.89 0.458
  01/07/2009 11:00 pm 0.89 0.458
  01/07/2009 10:30 pm 0.90 0.461
  01/07/2009 10:00 pm 0.91 0.464
  01/07/2009 09:30 pm 0.91 0.464
  01/07/2009 09:00 pm 0.91 0.464
  01/07/2009 08:30 pm 0.91 0.464
  01/07/2009 08:00 pm 0.91 0.464
  01/07/2009 07:30 pm 0.91 0.464
  01/07/2009 07:00 pm 0.91 0.464
  01/07/2009 06:30 pm 0.92 0.467
  01/07/2009 06:00 pm 0.91 0.464
  01/07/2009 05:30 pm 0.92 0.467
  01/07/2009 05:00 pm 0.92 0.467
  01/07/2009 04:30 pm 0.93 0.470
  01/07/2009 04:00 pm 0.93 0.470
  01/07/2009 03:30 pm 0.94 0.473
  01/07/2009 03:00 pm 0.96 0.479
  01/07/2009 02:30 pm 0.95 0.476
  01/07/2009 02:00 pm 0.94 0.473
  01/07/2009 01:30 pm 0.97 0.481
  01/07/2009 01:00 pm 0.97 0.481
  01/07/2009 12:30 pm 1.01 0.495
  01/07/2009 12:00 pm 0.88 0.455
  01/07/2009 11:30 am 0.86 0.449
  01/07/2009 11:00 am 0.86 0.449
  01/07/2009 10:30 am 0.85 0.446
Flood Impacts and Historical Events
Stage Impacts
10.0FLOODING OF HOMES IN LOW LYING AREAS BECOMES MORE SIGNIFICANT. MANY SECONDARY ROADS ARE IMPASSABLE, LIMITING ACCESS TO HOMES
9.5WATER BEGINS TO MOVE INTO HOMES IN LOW LYING AREAS ALONG THE RIVER. FLOODING AROUND THE BLACK HAMMOCK AREA NEAR LAKE JESUP
9.3MANY SECONDARY ROADS ARE FLOODED NEAR LAKE HARNEY
9.0WATER ENTERS THE FIRST STORY OF HOMES ON WHITCOMB DRIVE BETWEEN CROSSOVER LANE AND LAKE HARNEY ROAD. WATER COVERS MULLET LAKE PARK
8.8WATER COVERING WHITCOMB ROAD.
8.5WATER SURROUNDS HOMES ON STILTS ON PREVATT ROAD, ENTERING GARAGES ON THE FIRST STORY. WATER FILLS YARDS AND DITCHES ALONG WHITCOMB DRIVE AND LAKE HARNEY ROAD. ROADS FLOOD IN THE PALM SHORES AND MULLET LAKE AREAS
8.3DOCKS ARE PARTIALLY SUBMERGED ALONG THE RIVER BETWEEN LAKE HARNEY AND LEMON BLUFF
8.0WATER MOVES INTO YARDS ON PREVATT ROAD OFF STATE ROAD 46 NEAR LAKE HARNEY. FLOODING OF BOAT RAMPS AND ROADS OCCURS IN MULLET LAKE PARK
Historical Crests Record Lows
1) 10.10 ft on 10/01/1924
2) 10.07 ft on 10/02/2004
3) 9.50 ft on 09/12/2004
4) 9.45 ft on 11/21/1994
5) 8.83 ft on 03/01/1998
6) 8.71 ft on 10/24/1995
7) 8.61 ft on 09/21/2001
8) 8.00 ft on 09/30/1994
9) 7.75 ft on 10/12/1992
10) 7.52 ft on 10/11/1991
2) 0.40 ft on 06/18/1945

Data provided by NOAA Advanced Hydrologic Prediction Service

Created with HAMweather 4 Alpha 3
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