historic winter storm (february 8-9, 2013) conference call
DESCRIPTION
HISTORIC WINTER STORM (FEBRUARY 8-9, 2013) CONFERENCE CALL. Wednesday 2:30 PM February 6, 2013. MAIN IMPACTS WIDESPREAD PROLONGED POWER OUTAGES 1 TO 2 FEET OF SNOW WITH 2 TO 3 FOOT DRIFTS WIND DAMAGE TO STRUCTURES; FALLING TREES POTENTIAL FOR COASTAL FLOODING - PowerPoint PPT PresentationTRANSCRIPT
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HISTORIC WINTER STORM (FEBRUARY 8-9, 2013)
CONFERENCE CALL
Wednesday 2:30 PM February 6, 2013
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MAIN IMPACTS
• WIDESPREAD PROLONGED POWER OUTAGES
• 1 TO 2 FEET OF SNOW WITH 2 TO 3 FOOT DRIFTS
• WIND DAMAGE TO STRUCTURES; FALLING TREES
• POTENTIAL FOR COASTAL FLOODING
• POSSIBILITY OF STRANDED VEHICLES
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Currently:
• Winter Storm Watch is in effect for all of BOX service area.
Later this afternoon:
• BLIZZARD WATCH will likely be issued for eastern MA & northern RI
• HIGH WIND WATCH will likely be issued for the south coast of RI and Southeast MA
• HURRICANE FORCE WIND WATCH will likely be issued for portions of the eastern coastal waters.
• STORM WATCH will likely be issued for all remaining coastal waters
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TIMING:
SNOW: Light snow will begin before daybreak Friday. It may be light through the morning and early afternoon. Then it will come with a roar and could fall at rates of 2 to 4 inches per hour beginning between 3 PM and 6 PM. Heavy snow will be winding down Saturday morning, except continuing through the day on Cape Cod/Islands, where it will likely start as rain on Friday.
Note: Travel to destinations (like home from work or school) may become impossible by the evening commute on Friday.
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ONSET OF HEAVY SNOW
Noon-2 PM Friday
1-3 PM Friday
2-4 PM Friday
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CURRENT SNOWFALL PROJECTIONS:
14-24 INCHES IN NE ½ OF AREA
PROBABILITIES ARE HIGH FOR MORE THAN 1 FOOT OF SNOW.
COULD BE MUCH HIGHER !!!
CURRENT SNOWFALL PROBABILITIES:
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HIGH IMPACT END OF WEEK STORM
• Southern NH/Northern MA Temperatures– Friday afternoon 25-30. (Wet)– Height of storm 15-20. (Dry)
• CT/RI/Southern MA Temperatures– Friday afternoon 30-35. (Wet)– Height of storm 30 20. (Transition Wet to Dry)
SNOW WATER CONTENT
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WIND GUSTS FRIDAY NIGHT FEBRUARY 8
60 TO 80 MPH
40 TO 50 MPH
50 TO 60 MPH
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COASTAL FLOOD THREATMassachusetts East Coast
• Two Tide cycles– Friday evening 930 PM to 10 PM
• Moderate coastal flooding possible• Storm surge around 3 feet possible
– On top of 10.1 ft MLLW Astronomical Tide at Boston• Waves 15 to 20 feet several miles offshore
– Saturday morning around 10 AM• Moderate to Major coastal flooding possible
– Dependent upon timing of wind shift to northwest• Storm surge 1.5 to 2.5 feet possible
– Dependent upon direction of wind at high tide– On top of 11.5 ft MLLW Astronomical Tide at Boston
• Waves may be 25 to 30 feet several miles offshore
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COASTAL FLOOD THREATRhode Island Exposed South Coast
• Two Tide Cycles– 6 to 6:30 PM
• Minor Coastal Flooding possible• Storm surge 1.5 to 2 feet
– 6:30 to 7 AM• Minor Coastal Flooding possible with low chance of
pockets of Moderate Coastal Flooding• Storm surge 1 to 2 ft
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RISK FOR BEACH EROSION FEB 8 – 9Friday Night and Saturday
HIGH
MODERATE
HIGH
HIGH
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MARINE IMPACTS FEB 8 – 9Max Midnight – 2 PM Saturday
60 TO 70 KT
50 TO 60 KT
50 TO 60 KTSEAS 20 TO 30 FT
SEAS 25 TO 30 FTSEAS 20 TO 25 FT
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SUMMARY• Snow starts Friday morning…then increases to Heavy Snow
Friday afternoon. Heavy Snow continues Friday night and tapers off Saturday. Rain/snow mix possible south coast and islands Friday afternoon.
• Damaging winds possible in Eastern Massachusetts and Rhode Island (gusts to 80 mph possible near southeast coast)
• Snow and wind will cause widespread power outages across interior southern New England from late Friday through Saturday.
• Moderate to Major coastal flooding and significant erosion likely Friday night and Saturday high tide cycles.
• Seas may build to 30 feet Friday night/Saturday with storm to hurricane force winds possible – extremely dangerous for mariners.