Flood Risk and Vulnerability Analysis Project - Atlantic Climate ...

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Figure 2-6 illustrates storm event occurrence in the three (3) WRMD regions of the province. The Eastern and Western regions have more documented flood producing storm events than the Central region with a total of 148, 91, 29 storm events documented in the inventory, respectively. Flooding in Labrador is extremely rare with only one documented flood event in the current inventory. Figure 2-5. Storm Occurrence by Year TA1112733 18
Figure 2-6. Storm Occurrence by Year and Region 2.3.3 Storm Events - Seasonal and Monthly Occurrence Over the entire inventory, January and February are the months where storm events are most common with about 30% of the storm events occurring in these months alone. December is also a significant storm event month with 10% occurrence. The remainder of the months experience less than 10% occurrence each as outlined in Table 2-3. Notwithstanding, storm events in September have caused the greatest impact in terms of locations experiencing flooding. Generally, as illustrated in Figure 2-7, Figure 2-8 and Figure 2-9, Newfoundland is most storm event prone in the winter, fall and spring and least prone over the summer months. However, Central Newfoundland does show a more even expectation of storm events throughout the year on a seasonal basis. TA1112733 19
Page 1 and 2: Atlantic Climate Adaptation Solutio
Page 3 and 4: GOVERNMENT OF NEWFOUNDLAND AND LABR
Page 5 and 6: June 13, 2012 AMEC Project #TA11127
Page 7 and 8: EXECUTIVE SUMMARY The Government of
Page 9 and 10: Assessing the Need for New or Updat
Page 11 and 12: SUMMARY The Government of Newfoundl
Page 13 and 14: Land Use Change A pre-cursor effort
Page 15 and 16: fresh water from the Arctic south a
Page 17 and 18: watershed, which appears to already
Page 19 and 20: RECOMMENDATION SUMMARY Infrastructu
Page 21 and 22: 7. It is recommended that WRMD deve
Page 23 and 24: TABLE OF CONTENTS PAGE EXECUTIVE SU
Page 25 and 26: 7.3 References for Assess Need for
Page 27 and 28: LIST OF TABLES Table 2-1. Flood Eve
Page 29 and 30: LIST OF FIGURES Figure 2-1. Water R
Page 31 and 32: 1. OVERVIEW In the 1980‟s, under
Page 33 and 34: Floodway Floodway Fringe Climate Ch
Page 35 and 36: 2. Task B - Updated Flood Events In
Page 37 and 38: Management Framework for Canada def
Page 39 and 40: The „Types of Events‟ field is
Page 41 and 42: Field Damage Estimate by Community
Page 43 and 44: Arrangements 10 (DFAA) damage estim
Page 45 and 46: Storm # General Location Year Seaso
Page 47: 2.3.2 Weather Events - Annual Occur
Page 51 and 52: Figure 2-8. Storm Occurrence by Mon
Page 53 and 54: Type of Event (Grouped) % Occurrenc
Page 55 and 56: Figure 2-11. Flood Occurrence by Se
Page 57 and 58: Coastal Flooding Coastal Flooding a
Page 59 and 60: September is associated, presently,
Page 61 and 62: 3. Task C - Assess Existing Flood R
Page 63 and 64: Gaudon‟s Brook / Cold Brook Steph
Page 65 and 66: 3.3.2.1 Community Flood Watersheds
Page 67 and 68: 3.3.2.3 Earth Observation for Susta
Page 69 and 70: Figure 3-3. Graphical model of land
Page 71 and 72: Original EOSD Classes Shadow Water
Page 73 and 74: surrounding areas were also evaluat
Page 75 and 76: Watershed Community Total Area Fore
Page 77 and 78: correct). Of the 90 accuracy assess
Page 79 and 80: Figure 3-6. GCM sectors selected to
Page 81 and 82: Figure 3-7. Percentage change of pr
Page 83 and 84: The results for temperature are sim
Page 85 and 86: Area Labrador West Central East Sum
Page 87 and 88: West sees slightly larger winter in
Page 89 and 90: These increases, though slight, in
Page 91 and 92: Classification Maximum Sustained Su
Page 93 and 94: Since air flow around high pressure
Page 95 and 96: 10 9 8 7 6 Total Number of Tropical
Page 97 and 98: One of the reasons for this increas
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Figure 3-19. Frequency of Named Sto
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Figure 3-21. Change in Mean Sea Lev
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The net long term sea level effect
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Southern Oscillation (ENSO). The AM
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middle of North America as it would
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e a higher incidence of tropical st
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extreme will be considered. Areas t
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Storms weaken rapidly once they mak
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Figure 3-27. Selected Hurricane and
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o o a Category 2 Hurricane making l
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o Because winter temperatures show
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Worst Case Scenarios This section
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5. A hurricane making landfall on t
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Standards Association 21 recommends
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WRMD has defined a preference for h
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The hydrographic network was used t
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4.1.8 Flood History Identification
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Watershed Slope The slope attribute
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such as number of flood events at a
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Deer Lake Placentia Codroy Steady B
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TA1112733 page 109
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5.2 Methods The methodology used fo
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Reported Event Damages Storm# Locat
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Given the reported damages resultin
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Figure 5-3. Storm tracks for select
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natural constrictions. The number a
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5.5.2 Community Exposure to Physica
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Community Number of Events 2011 Pop
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Community Access Notes Confinement
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Brook and Deer Lake are both locate
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Warning Systems 1. It is recommende
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source of flood vulnerabilities com
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Figure 6-2. Newfoundland Digital El
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communities ( Gillams, Hughes Brook
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Sub-region Precipitation Climate Ch
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Analysis of the socio-economic data
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East-2 Coastal communities line nea
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6.2.2 Potential Strategies Table 6-
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6.3 Mitigation Recommendations Base
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Table 6-5 presents the range of ave
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West-3, West-4, and Central-3 These
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Mitigation Strategy Cost to Impleme
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Sub-region Watershed Characteristic
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TA1112733 page 155
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Music and Caya, 2007 Richter and Ba
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http://www.arcgis.com/home/item.htm
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Rank Community Name LGP# 82 Massey
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Rank Community Name LGP# 252 Little
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Rank Community Name LGP# 423 Thornl
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TA1112733 page 167
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FOX ISLAND RIVER-POINT GALLANTS GEO
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GEORGE'S BROOK-MILTON GOOBIES GRAND
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TA1112733 page 173
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Flood # Storm # General Location St
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11. Appendix D IDF Curves Report TA
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Development of Projected Intensity-
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Storm Duration Development of Proje
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1979 1983 1987 1991 1995 1999 2003
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Mean Annual Total Precipoitation, m
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Storm Duration Storm Duration Devel
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Storm Duration Storm Duration Storm
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Codroy Valley Watershed Topography
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Parson's Pond Watershed Topography
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Rushoon Watershed: Topography Eleva
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Eastern Watersheds, East Topography
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Eastern 54°0'0"Watersheds, West To
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Central Watersheds, 57°0'0"W East
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Central 58°0'0"W and Western Water
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Badger and Rushy 58°0'0"W Pond Wat
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Cox's Cove Watershed: Land Cover 58
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Ferryland Watershed Land Cover 60°
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49°0'0"N Glenwood-Appleton 56°0'0
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Parson's Pond Watershed: Land Cover
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Rushy Pond Watershed: 57°0'0"WLand
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Stephenville Crossing Watershed: La
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Whitbourne and Brigus Watersheds: L
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Eastern Watersheds 2: Land Cover Ha
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Eastern Watersheds, East: Land Cove
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