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

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Flood # Storm # General Location Start Year Start Month Start Day Start Time End Year End Month End Day End Time Duration (days) Season Region LGP# Community Name Water Bodies Type of Event Rainfall Amount Snowfall amount Sea Height Jam Height Damage Estimate by Community (if known) Damage Estimate by Storm (once per storm) DFAA Damage Report DFAA Damage Report (once per storm) Homes Flooded People Displaced Attachment Number Data Added By Flood Inventory Database 1950 - Present 87 065 Stephenville 1973 8 2 1973 8 3 1 Summer Western 4945 Stephenville 88 065 Stephenville 1973 8 2 1973 8 3 1 Summer Western 3485 Noel's Pond Warm Creek / Blanche Brook Rainfall 50.8 $70,000 Warm Creek / Blanche Brook Rainfall 50.8 $70,000 $70,000 Description Source MR: The worst recorded flooding in the towns history. The main highway into the town was under water and a bridge was washed out, Basements were flooded and a waterline was damaged leaving many people without water. Four families forced to evacuate due to 4-6inches Environment Canada Report of water on floor. January 8th, 1976 No AMEC MR: The worst recorded flooding in the towns history. The main highway into the town was under water and a bridge was washed out, Basements were flooded and a waterline was damaged leaving many people without water. Four families forced to evacuate due to 4-6inches of water on floor. Environment Canada Report January 8th, 1976 No AMEC 89 066 Port au Port Peninsula 1973 8 1 1973 8 4 3 Summer Western 1380 Deer Lake Corner Brook Stream / Bell's Brook Rainfall MR: A landslide occurred upstream bringing 30- 40 cords of pulpwood and trees down the river with the flood, several boats were dragged out to sea. Highway 47 was underwater in at least two places and a bridge was washed out. At least 4 families were forced to leave their homes because of the flood waters. A number of basements were flooded as Bell's Brook overflowed. Corner Brook Stream and Bell's Brook overflowed resulting in some inundation. MR: Flooding Events in Newfoundland and Labrador - An Historical Perspective. Hydro technical Study of the Deer Lake Area No AMEC 90 066 Port au Port Peninsula 1973 8 1 1973 8 4 3 Summer Western 1681 Fox Island River Rainfall MR: A landslide occurred upstream bringing 30- 40 cords of pulpwood and trees down the river with the flood, several boats were dragged out to sea. Highway 47 was underwater in at least two places and a bridge was washed out. At least 4 families were forced to leave their homes because of the flood waters. A number of basements were flooded as Bell's Brook overflowed. Corner Brook Stream and Bell's Brook overflowed resulting in some inundation. MR: Flooding Events in Newfoundland and Labrador - An Historical Perspective. Hydro technical Study of the Deer Lake Area No AMEC 91 066 Port au Port Peninsula 1973 8 1 1973 8 4 3 Summer Western 4945 Stephenville Rainfall MR: A landslide occurred upstream bringing 30- 40 cords of pulpwood and trees down the river with the flood, several boats were dragged out to sea. Highway 47 was underwater in at least two places and a bridge was washed out. At least 4 families were forced to leave their homes because of the flood waters. A number of basements were flooded as Bell's Brook overflowed. Corner Brook Stream and Bell's Brook overflowed resulting in some inundation. MR: Flooding Events in Newfoundland and Labrador - An Historical Perspective. Hydro technical Study of the Deer Lake Area No AMEC 92 066 Port au Port Peninsula 1973 8 1 1973 8 4 3 Summer Western 3485 Noel's Pond Rainfall MR: A landslide occurred upstream bringing 30- 40 cords of pulpwood and trees down the river with the flood, several boats were dragged out to sea. Highway 47 was underwater in at least two places and a bridge was washed out. At least 4 families were forced to leave their homes because of the flood waters. A number of basements were flooded as Bell's Brook overflowed. Corner Brook Stream and Bell's Brook overflowed resulting in some inundation. MR: Flooding Events in Newfoundland and Labrador - An Historical Perspective. Hydro technical Study of the Deer Lake Area No AMEC 93 066 Port au Port Peninsula 1973 8 1 1973 8 4 3 Summer Western 1200 Corner Brook Bell's Brook Rainfall 94 067 St. John's 1974 8 23 1974 8 24 1 Summer Eastern 3345 Mount Pearl Rainfall MR: A landslide occurred upstream bringing 30- 40 cords of pulpwood and trees down the river with the flood, several boats were dragged out to sea. Highway 47 was underwater in at least two places and a bridge was washed out. At least 4 families were forced to leave their homes because of the flood waters. A number of basements were flooded as Bell's Brook overflowed. Corner Brook Stream and Bell's Brook overflowed resulting in some inundation. Storm water runoff led to basement flooding in Mount Pearl MR: Flooding Events in Newfoundland and Labrador - An Historical Perspective. Hydro technical Study of the Deer Lake Area No AMEC Waterford River Area - Hydro technical Study No AMEC 95 068 St. John's 1974 8 30 1974 8 30 1 Summer Eastern 3345 Mount Pearl Rainfall Several basements were flooded in Donovans Street area 96 069 Corner Brook 1974 9 12 1974 9 13 1 Summer Western 1200 Corner Brook Rainfall A home on Old Humber Road was Inundated 97 070 Cape Ray 1974 10 20 1974 10 20 1 Fall Eastern 905 Cape Ray Coastal Flooding and Winds $1,000 $1,000 Flooding Events in Newfoundland and Labrador - An Historical Perspective No AMEC Hydro technical Study of the Steady Brook Area No AMEC MR: High Seas at Cape Ray washed out 30m of track causing derailment of 2 diesel locomotives. Department of Natural High seas at Cape Ray washed out about 30 m of Resources Website, railway track causing derailment of 2 diesel locomotives. Heritage Newfoundland Website. 70 AMEC Page 6
Flood # Storm # General Location Start Year Start Month Start Day Start Time End Year End Month End Day End Time Duration (days) Season Region LGP# Community Name Water Bodies Type of Event Rainfall Amount Snowfall amount Sea Height Jam Height Damage Estimate by Community (if known) Damage Estimate by Storm (once per storm) DFAA Damage Report DFAA Damage Report (once per storm) Homes Flooded People Displaced Attachment Number Data Added By Flood Inventory Database 1950 - Present 99 071 100 071 101 071 102 072 103 072 Stephenville, Cold Brook, Noels Pond 1974 11 1 1974 11 2 2 Fall Western 4945 Stephenville Blanche Brook Rainfall Stephenville, Cold Brook, Noels Pond 1974 11 1 1974 11 2 2 Fall Western 1114 Cold Brook Blanche Brook Rainfall Stephenville, Cold Brook, Noels Pond 1974 11 1 1974 11 2 2 Fall Western 3485 Noel's Pond Blanche Brook Rainfall Rushoon, Grand Bank 1975 3 22 1975 3 23 1 Spring Eastern 4295 Rushoon Ice Jam 4 families Rushoon, Grand Bank 1975 3 22 1975 3 23 1 Spring Eastern 1940 Grand Bank Ice Jam 104 073 St. John's 1975 8 23 1975 8 24 1 Summer Eastern 4400 St. John's Rainfall 75 105 074 Corner Brook 1975 9 21 1975 9 22 1 Summer Western 1200 Corner Brook Rainfall 46.7 $50,000 $50,000 Description MR: Heavy rainfall caused flooding. Cold Brook was isolated by the washout of the wooden bridge on the main road connecting that community with Stephenville. Noels Pond was also reported to have flooding MR: Heavy rainfall caused flooding. Cold Brook was isolated by the washout of the wooden bridge on the main road connecting that community with Stephenville. Noels Pond was also reported to have flooding MR: Heavy rainfall caused flooding. Cold Brook was isolated by the washout of the wooden bridge on the main road connecting that community with Stephenville. Noels Pond was also reported to have flooding MR: Flooding heavy in some sections of Grand Bank. The river overflowed its banks causing some people to have to evacuate. MR: Flooding heavy in some sections of Grand Bank. The river overflowed its banks causing some people to have to evacuate. Rainfall caused localized flooding and debris slides down Southside hills Storm sewers and ditches just couldn't cope with the heavy rain in a short period of time resulting in flooding streets and washouts. Many basements in low lying areas were inundated. Source Environment Canada Report January 8th, 1976 No AMEC Environment Canada Report January 8th, 1976 No AMEC Environment Canada Report January 8th, 1976 No AMEC MR: Flooding Events in Newfoundland and Labrador - An Historical Perspective. Rushoon Flood Study Report No AMEC MR: Flooding Events in Newfoundland and Labrador - An Historical Perspective. Rushoon Flood Study Report No AMEC Waterford River Area - Hydro technical Study No AMEC Flooding Events in Newfoundland and Labrador - An Historical Perspective No AMEC 106 075 Stephenville, Corner Brook, Grand Falls 1975 12 22 1975 12 25 3 Winter Western 4945 Stephenville Rainfall and Snowmelt 52.1 MR: Flooding in the streets was said to be extensive as sewer systems could not handle the water. Storm damage was reported to be quite extensive to the streets, road shoulders were also Flooding Events in damaged. A section of the highway in the Newfoundland and Labrador Exploits region near Grand Falls was underwater. - An Historical Perspective No AMEC 107 075 Stephenville, Corner Brook, Grand Falls 1975 12 22 1975 12 25 3 Winter Western 1200 Corner Brook Rainfall and Snowmelt 24.9 MR: Flooding in the streets was said to be extensive as sewer systems could not handle the water. Storm damage was reported to be quite extensive to the streets, road shoulders were also Flooding Events in damaged. A section of the highway in the Newfoundland and Labrador Exploits region near Grand Falls was underwater. - An Historical Perspective No AMEC 108 075 Stephenville, Corner Brook, Grand Falls 1975 12 22 1975 12 25 3 Winter Western 1960 Grand Falls Rainfall and Snowmelt 45.5 109 076 St. John's 1976 1 8 1976 1 10 2 Winter Eastern 4400 St. John's Mundy Pond Rainfall 54.5 MR: Flooding in the streets was said to be extensive as sewer systems could not handle the water. Storm damage was reported to be quite extensive to the streets, road shoulders were also Flooding Events in damaged. A section of the highway in the Newfoundland and Labrador Exploits region near Grand Falls was underwater. - An Historical Perspective No AMEC Flood waters caused considerable damage, water flowed up through the ground behind Carling O'Keefe brewery. This water then damaged the several trucks and the building housing Eastern Paper Products Flooding Events in Newfoundland and Labrador - An Historical Perspective No AMEC 110 077 St. John's 1976 1 25 1976 1 26 1 Winter Eastern 4400 St. John's Rainfall and Snowmelt snow followed by snowmelt and rain brought the river to bank full stage, little flooding occurred Waterford River Area - Hydro technical Study No AMEC 111 078 Bay of Islands 1976 1 27 1976 1 28 2 Winter Eastern 1710 Frenchmans Cove Rainfall 22.4 $100,000 MR: Ice piled up at the mouth of Clark's Brook causing some problems. Several road washouts had occurred, one resident on Massey Drive was reported to have lost his driveway. The area was plugged with ice causing the water to back up inundating 4 homes and threatening 10 others. Several road washouts reported. Homes in Frenchmans Cove, Benoit's Cove and Lark Harbour damaged by flood waters. Steady Brook clogged with ice causing inundation of 4 homes and threatening another 10 MR: Flooding Events in Newfoundland and Labrador - An Historical Perspective. Hydro technical Study of the Deer Lake Area, Dept of Natural Resources Website 279 AMEC Page 7
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Atlantic Climate Adaptation Solutio
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GOVERNMENT OF NEWFOUNDLAND AND LABR
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June 13, 2012 AMEC Project #TA11127
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EXECUTIVE SUMMARY The Government of
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Assessing the Need for New or Updat
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SUMMARY The Government of Newfoundl
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Land Use Change A pre-cursor effort
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fresh water from the Arctic south a
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watershed, which appears to already
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RECOMMENDATION SUMMARY Infrastructu
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7. It is recommended that WRMD deve
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TABLE OF CONTENTS PAGE EXECUTIVE SU
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7.3 References for Assess Need for
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LIST OF TABLES Table 2-1. Flood Eve
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LIST OF FIGURES Figure 2-1. Water R
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1. OVERVIEW In the 1980‟s, under
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Floodway Floodway Fringe Climate Ch
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2. Task B - Updated Flood Events In
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Management Framework for Canada def
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The „Types of Events‟ field is
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Field Damage Estimate by Community
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Arrangements 10 (DFAA) damage estim
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Storm # General Location Year Seaso
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2.3.2 Weather Events - Annual Occur
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Figure 2-6. Storm Occurrence by Yea
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Figure 2-8. Storm Occurrence by Mon
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Type of Event (Grouped) % Occurrenc
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Figure 2-11. Flood Occurrence by Se
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Coastal Flooding Coastal Flooding a
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September is associated, presently,
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3. Task C - Assess Existing Flood R
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Gaudon‟s Brook / Cold Brook Steph
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3.3.2.1 Community Flood Watersheds
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3.3.2.3 Earth Observation for Susta
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Figure 3-3. Graphical model of land
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Original EOSD Classes Shadow Water
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surrounding areas were also evaluat
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Watershed Community Total Area Fore
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correct). Of the 90 accuracy assess
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Figure 3-6. GCM sectors selected to
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Figure 3-7. Percentage change of pr
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The results for temperature are sim
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Area Labrador West Central East Sum
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West sees slightly larger winter in
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These increases, though slight, in
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Classification Maximum Sustained Su
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Since air flow around high pressure
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10 9 8 7 6 Total Number of Tropical
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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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Page 187 and 188: Music and Caya, 2007 Richter and Ba
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Page 191 and 192: Rank Community Name LGP# 82 Massey
Page 193 and 194: Rank Community Name LGP# 252 Little
Page 195 and 196: Rank Community Name LGP# 423 Thornl
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Page 199 and 200: FOX ISLAND RIVER-POINT GALLANTS GEO
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Page 205 and 206: Flood # Storm # General Location St
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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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