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Twentymile Rivernear Portage, AK (Gauge TRPA2)
Observation History | Stage Impacts/Record Events
Stages:
Normal
Action
Flood
Moderate Flood
Major Flood
River Stage Data for Gauge TRPA2
Normal Stage: 16.42 ft
Flow: 0.814 kcfs*
(impacts and historical events)
Action Stages:
24': Action
26': Flood
28': Moderate Flood
Major Flood
Gauge TRPA2 History chart | graph
Stage Date CST Stage ft Flow kcfs
CURRENT 02/16/2012 08:00 am 16.42 0.814
  02/16/2012 07:45 am 16.41 0.809
  02/16/2012 07:30 am 16.41 0.809
  02/16/2012 07:15 am 16.42 0.814
  02/16/2012 07:00 am 16.43 0.820
  02/16/2012 06:45 am 16.44 0.825
  02/16/2012 06:30 am 16.44 0.825
  02/16/2012 06:15 am 16.45 0.831
  02/16/2012 06:00 am 16.45 0.831
  02/16/2012 05:45 am 16.46 0.837
  02/16/2012 05:30 am 16.46 0.837
  02/16/2012 05:15 am 16.47 0.843
  02/16/2012 05:00 am 16.48 0.848
  02/16/2012 04:45 am 16.48 0.848
  02/16/2012 04:30 am 16.48 0.848
  02/16/2012 04:15 am 16.49 0.854
  02/16/2012 04:00 am 16.49 0.854
  02/16/2012 03:45 am 16.50 0.860
  02/16/2012 03:30 am 16.51 0.866
  02/16/2012 03:15 am 16.52 0.872
  02/16/2012 03:00 am 16.52 0.872
  02/16/2012 02:45 am 16.53 0.878
  02/16/2012 02:30 am 16.54 0.884
  02/16/2012 02:15 am 16.54 0.884
  02/16/2012 02:00 am 16.55 0.890
  02/16/2012 01:45 am 16.57 0.902
  02/16/2012 01:30 am 16.58 0.908
  02/16/2012 01:15 am 16.59 0.914
  02/16/2012 01:00 am 16.59 0.914
  02/16/2012 12:45 am 16.58 0.908
  02/16/2012 12:30 am 16.58 0.908
Related Maps Nearby Gauges
River Stages

River Flood Outlook

 * Stages given in feet
Campbell Creek
Canyon Mouth-999.00
Eagle River
Glenn Hwy Bridge-999.00
Eklutna Lake
Eklutna848.59
Eklutna River
Old Glenn Hwy Near Eklutna-9999.00
Glacier Creek
Girdwood-999.00
Grouse Lake
Grouse Creek4.54
Kenai River
Cooper Landing5.25
Knik River
Old Glenn Hwy-999.00
Matanuska River
Old Glenn Hwy3.35
Ship Creek
Glenn Hwy-9999.00
Sixmile Creek
Hope8.17
Snow River
Seward5.88
Trail River
Lawing-999.00
Wolverine Creek
Lawing0.16
Flood Impacts and Historical Events
Stage Impacts
Flood Impacts are unavailable for this location.
Historical Crests Record Lows
1) 25.88 ft on 10/03/2003
2) 25.47 ft on 08/29/2001
3) 24.99 ft on 07/22/2009
4) 24.87 ft on 10/24/2002
5) 24.68 ft on 07/24/2006
 Low water records are unavailable.

Data provided by NOAA Advanced Hydrologic Prediction Service
Created with HAMweather 4 Alpha 3
© 2012 HAMweather, LLC, all rights reserved.
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