Winter Weather Safety
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Transcript of Winter Weather Safety
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Winter Weather SafetyNational Weather Service
Grand Rapids, MI
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Outline
Winter Weather Safety – What’s the big deal?Threats from hazardous winter weatherPlanning and preparation for winter stormsWinter weather survivalAfter the storm – What should I do?
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Winter Weather Safety What the big deal?
SnowfallCan occur 8 months out of the year (Starting October and lasting through May)
Weak winter stormsStill hazardous
Major winter stormsCan
Last daysBe accompanied by high winds, freezing rain or sleet, heavy snow, and bitterly cold temperatures
Aftermath can leave an impact on the community or region for days, weeks or months
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The Threat: Heavy SnowHeavy snow can paralyze a cityTransportation can be halted
Commuters stranded, roads impassable, and airports closed
Snow accumulations may causeCollapsed roofsDowned trees and power lines
Homes and farms could be unreachable for daysSubstantial economic impacts
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The Threat: Ice
Dangerous to drivers
Bridges and overpasses are very treacherous in icy conditions
Heavy icing can topple utility poles and communications and bring down trees
Top - Detroit Ice Storm April 4, 2003
Left – Western Kansas 2008
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Facts on Snow and Ice
Injuries due to ice and snow:70% result from vehicle accidents25% occur from people caught out in a storm
Vehicle Accidents; 70%
People caught out in storm; 25%
Other; 5%
Most happen to males over 40 years old
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The Threats: Coastal Flooding, Ice Jams and Snow Melt
Ice Jams in Michigan
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The Threats: Coastal Flooding, Ice Jams and Snow Melt
Coastal Flooding in Indiana
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The Threat: Extreme Cold
Can lead to frostbite or hypothermiaPipes may freeze and burst in homes that are poorly insulated or without heatFreezing temperatures can cause severe damage to citrus fruit crops and other sensitive vegetation
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HypothermiaSigns
Uncontrollable shiveringMemory lossDisorientationIncoherenceSlurred SpeechDrowsinessApparent Exhaustion
Seek medical attention immediately
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Wind ChillWhat is Wind chill?
How the cold temperatures combine with the wind feel on exposed skin
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Injuries Related to Cold
50% happen to people over 60 years old
More than 75% happen to males
About 20% occur in the home
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QuestionWhat is the term for damage to body tissue caused by cold temperatures?
Frost nipHypothermiaFrostbiteStone cold
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Question
What is it called when the body temperature drops to less than 95F?
Frost nipHypothermiaFrostbiteCoffee time
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WHAT DOES IT ALL MEANPreparing for the storm
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Basic DefinitionsOutlooks
Hazardous Weather Outlook (HWO)Issued at least one time EVERY day between 4 am and 5 amOutlines potential weather hazards expected over the next 7 daysThe potential for major storms beyond 2 days will be discussed in the HWO
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Basic DefinitionsWATCH
Issued when the risk of a hazardous event has increased significantly, but its occurrence, location, and/or timing is still uncertainAt least 50% or greater probability of event occurring
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Winter Storm Watch24 to 48 hours
Monitor NOAA Weather Radio and local forecastsPlan trips around winter stormsPlan alternate routesBe alert for changing weather conditionsEnsure adequate food and water supplies
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Basic DefinitionsContinued
WARNINGIssued when a hazardous weather event is occurring, is imminent, or has a very high probability of occurring. A warning is used for conditions posing a threat to life or propertyAt least 80% or greater probability of event occurring
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Winter Storm Warning12 to 24 hours
Stay indoors!Wear appropriate clothingAvoid travelingContinue to monitor NOAA Weather Radio and local forecasts
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Preparing for the StormAt Home
FlashlightNOAA Weather RadioBlankets and heavy clothingItems for infants, elderly or disabled family memberWatch for potential fire and carbon monoxide hazards
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Preparing for the StormYour vehicle
First aid kitBlanketsFlash Light/FlaresRoad mapsExtra ClothingShovelNon-perishable foodCell phoneRemember to keep your gas tank full/nearly full when traveling in severe winter weather
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Winter SafetyOutside
Avoid overexertion Walk carefully on snowy, ice sidewalksWear loose-fitting, lightweight warm clothing in layers and waterproof outer layersKeep cloths dryUnderstand the hazards of wind chill
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During the StormHome
To save heat, close off unneeded roomsMaintain adequate food and water intake
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During the StormIf travel is necessary
Inform someone of your destination and travel timeHave a cell phone
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During the stormIf stranded in your vehicle
Attach a bright cloth to your antenna to attract attentionRemain with your vehicleRun the motor about 10 minutes each hour for heat MAKE SURE YOUR EXHAUST PIPE ISN’T BLOCKEDGet attention by turning on the dome light and emergency flashers with the engine is runningExercise
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During the StormIf stranded outside
Try to stay dry and cover all exposed parts of the bodyPrepare a windbreak or snow cave for protectionBuild a fire to attract attentionDO NOT EAT SNOW
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Following the Storm
Continue listening to NOAA Weather Radio and media for updates and instructionsHelp neighbors who may need assistanceAvoid traveling until conditions have imporvedAvoid overexertion such as shoveling snowBe prepared when venturing outdoors for the first time after the storm
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Summary
Stay alert for changing weather conditionsMonitor forecastsBe prepared and plan ahead
It could save your life!
Thanks and have a safe
winter season!