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Connecticut Rivernear Holyoke, MA (Gauge HLYM3)
Observation History | Stage Impacts/Record Events
Stages:
Normal
Action
Flood
Moderate Flood
Major Flood
River Stage Data for Gauge HLYM3
Normal Stage: 5.08 ft
Flow: -999 kcfs*
(impacts and historical events)
Action Stages:
25.5': Action
26.5': Flood
29.5': Moderate Flood
32.5': Major Flood
Gauge HLYM3 History chart | graph
Stage Date CST Stage ft Flow kcfs
CURRENT 09/03/2010 04:31 am 5.08 -999.000
  09/03/2010 04:30 am 5.08 -999.000
  09/03/2010 04:15 am 5.09 -999.000
  09/03/2010 04:00 am 5.10 -999.000
  09/03/2010 03:45 am 5.10 -999.000
  09/03/2010 03:30 am 5.11 -999.000
  09/03/2010 03:15 am 5.12 -999.000
  09/03/2010 03:00 am 5.13 -999.000
  09/03/2010 02:45 am 5.14 -999.000
  09/03/2010 02:30 am 5.15 -999.000
  09/03/2010 02:15 am 5.16 -999.000
  09/03/2010 02:00 am 5.18 -999.000
  09/03/2010 01:45 am 5.21 -999.000
  09/03/2010 01:30 am 5.23 -999.000
  09/03/2010 01:15 am 5.24 -999.000
  09/03/2010 01:00 am 5.25 -999.000
  09/03/2010 12:45 am 5.25 -999.000
  09/03/2010 12:30 am 5.25 -999.000
  09/03/2010 12:15 am 5.26 -999.000
  09/03/2010 12:00 am 5.27 -999.000
  09/02/2010 11:45 pm 5.26 -999.000
  09/02/2010 11:30 pm 5.26 -999.000
  09/02/2010 11:15 pm 5.26 -999.000
  09/02/2010 11:00 pm 5.26 -999.000
  09/02/2010 10:45 pm 5.26 -999.000
  09/02/2010 10:31 pm 5.26 -999.000
  09/02/2010 10:30 pm 5.26 -999.000
  09/02/2010 10:15 pm 5.27 -999.000
  09/02/2010 10:00 pm 5.27 -999.000
  09/02/2010 09:45 pm 5.27 -999.000
  09/02/2010 09:30 pm 5.27 -999.000
Flood Impacts and Historical Events
Stage Impacts
32.5THIS IS A SERIOUS FLOOD EPISODE. FOLLOW THE DIRECTION OF YOUR LOCAL EMERGENCY MANAGEMENT OFFICALS. IF ASKED TO EVACUATE...DO SO IMMEDIATELY. ALL FLOOD PROTECTION MEASURES MUST BE RUSHED TO COMPLETION IN FLOOD PRONE AREAS. FLOODING IS LIKELY FROM BELOW THE HOLYOKE DAM THROUGH CHICOPEE AND WEST SPRINGFIELD.
29.0FLOODING WILL CONTINUE TO SPEAD ACROSS LOW LYING AREAS FROM HOLYOKE SOUTH THROUGH AGAWAM. INUNDATION OF AREAS WHICH ARE OUTSIDE OF LOCAL LEVEE PROTECTION IS LIKELY.
28.0FLOODING WILL AFFECT LOW LYING AREAS ALONG THE RIVER WHICH FALL OUTSIDE OF LEVEES AND FLOOD PROTECTION WALLS.
26.5LOWLAND FLOODING IS EXPECTED ALONG THE CONNECTICUT RIVER BELOW THE HOLYOKE DAM SOUTH TO AGAWAM AND LONGMEADOW.
Historical Crests Record Lows
1) 42.50 ft on 03/20/1936
2) 31.09 ft on 04/01/1998
3) 30.91 ft on 04/17/1996
4) 30.62 ft on 04/24/2001
5) 29.45 ft on 04/02/2004
6) 28.40 ft on 03/17/2003
7) 26.95 ft on 04/26/2002
8) 26.39 ft on 10/10/2005
9) 25.62 ft on 06/01/1984
10) 22.26 ft on 04/01/1987
1) 0.00 ft on 11/01/1991

Data provided by NOAA Advanced Hydrologic Prediction Service

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