Severe Weather Coordination Message #1 – Sunday August 5th, 2012 Severe Weather Potential

Hello to all..

..Isolated to Scattered Strong to Severe Thunderstorms are possible for Sunday Afternoon and Evening across Southwest New Hampshire, Western and Central Massachusetts and Western and Central Connecticut. Damaging Winds, large hail and urban/poor drainage flooding are the main threats. The Storm Prediction Center (SPC) has this area in a slight risk for severe weather..
..A Flash Flood Watch is in effect from 2 PM this afternoon through Monday Morning for Cheshire County New Hampshire, Franklin, Hampshire and Hampden Counties of Western Massachusetts and Hartford County Connecticut..
..SKYWARN Activation with Ops at NWS Taunton are possible to likely this Sunday Afternoon into Sunday Night..

Yesterday featured slow moving thunderstorms of an isolated to scattered variety across Northern Massachusetts and Southern New Hampshire dumping rainfall of 1-3″ over those isolated to scattered areas resulting in flooding, some large hail and pockets of wind damage over the area. Also, lightning strikes caused fires in some communities the biggest of which was the total loss of the Rowe Elementary School in Rowe Massachusetts due to lightning. The NWS Taunton Local Storm Report and Public Information Statement from yesterday’s events are listed below:

NWS Taunton Local Storm Report:
http://kamala.cod.edu/offs/KBOX/1208042321.nwus51.html

NWS Taunton Public Information Statement:
http://kamala.cod.edu/offs/KBOX/1208050240.nous41.html

At 940 AM, Satellite images showed pockets of clearing over the area allowing for destablization across interior Southern New England. Doppler Radar shows a line of showers and thunderstorms moving into East-Central New York. It is unclear what this line of showers and thunderstorms will do and if they will strengthen as they approach the area as heating continues or weaken as they move toward us as they move farther away from more favorable winds aloft. This will be monitored over the course of the moring into early this afternoon. This line is associated with a pre-frontal trough that will move through the area.

Later this afternoon and tonight as the cold front approaches, another round of more intense thunderstorms are expected to develop across New York and Pennsylvania with favorable wind shear available with those storms along with some favorable instability parameters. This thunderstorms are expected to move into Southwest New Hampshire, Western Massachusetts and West-Central Connecticut later this afternoon and tonight. This will set the stage for a round of isolated to scattered strong to severe thunderstorms with damaging winds, large hail and urban and poor drainage flooding as the main threats. A Flash Flood Watch is in effect from 2 PM Sunday through Monday Morning for Southwest New Hampshire, Western Massachusetts and Western Connecticut.

SKYWARN Activation with Ops at NWS Taunton are possible to likely later this afternoon and tonight. This will be the only complete coordination message on this event. A shortened coordination message will be issued if time allows and Ops at NWS Taunton are initiated. Below is the NWS Taunton Flash Flood Watch Statement, Hazardous Weather Outlook and SPC Day-1 Convective Outlook:

NWS Taunton Flash Flood Watch Statement:
http://kamala.cod.edu/ma/latest.wgus61.KBOX.html

NWS Taunton Hazardous Weather Outlook:
http://kamala.cod.edu/ma/latest.flus41.KBOX.html

SPC Day-1 Convective Outlook:
http://www.spc.noaa.gov/products/outlook/day1otlk.html

Respectfully Submitted,

Robert Macedo (KD1CY)
ARES SKYWARN Coordinator
Eastern Massachusetts ARES Section Emergency Coordinator
Home Phone #: (508) 994-1875 (After 6 PM)
Home/Data #: (508) 997-4503 (After 6 PM)
Work Phone #: 508-346-2929 (8 AM-5 PM)
Email Address: rmacedo@rcn.com
http://ares.ema.arrl.org
http://beta.wx1box.org

Hello to all..

..Isolated to Scattered Strong to Severe Thunderstorms are possible for Sunday Afternoon and Evening across Southwest New Hampshire, Western and Central Massachusetts and Western and Central Connecticut. Damaging Winds, large hail and urban/poor drainage flooding are the main threats. The Storm Prediction Center (SPC) has this area in a slight risk for severe weather..
..A Flash Flood Watch is in effect from 2 PM this afternoon through Monday Morning for Cheshire County New Hampshire, Franklin, Hampshire and Hampden Counties of Western Massachusetts and Hartford County Connecticut..
..SKYWARN Activation with Ops at NWS Taunton are possible to likely this Sunday Afternoon into Sunday Night..

Yesterday featured slow moving thunderstorms of an isolated to scattered variety across Northern Massachusetts and Southern New Hampshire dumping rainfall of 1-3″ over those isolated to scattered areas resulting in flooding, some large hail and pockets of wind damage over the area. Also, lightning strikes caused fires in some communities the biggest of which was the total loss of the Rowe Elementary School in Rowe Massachusetts due to lightning. The NWS Taunton Local Storm Report and Public Information Statement from yesterday’s events are listed below:

NWS Taunton Local Storm Report:
http://kamala.cod.edu/offs/KBOX/1208042321.nwus51.html

NWS Taunton Public Information Statement:
http://kamala.cod.edu/offs/KBOX/1208050240.nous41.html

At 940 AM, Satellite images showed pockets of clearing over the area allowing for destablization across interior Southern New England. Doppler Radar shows a line of showers and thunderstorms moving into East-Central New York. It is unclear what this line of showers and thunderstorms will do and if they will strengthen as they approach the area as heating continues or weaken as they move toward us as they move farther away from more favorable winds aloft. This will be monitored over the course of the moring into early this afternoon. This line is associated with a pre-frontal trough that will move through the area.

Later this afternoon and tonight as the cold front approaches, another round of more intense thunderstorms are expected to develop across New York and Pennsylvania with favorable wind shear available with those storms along with some favorable instability parameters. This thunderstorms are expected to move into Southwest New Hampshire, Western Massachusetts and West-Central Connecticut later this afternoon and tonight. This will set the stage for a round of isolated to scattered strong to severe thunderstorms with damaging winds, large hail and urban and poor drainage flooding as the main threats. A Flash Flood Watch is in effect from 2 PM Sunday through Monday Morning for Southwest New Hampshire, Western Massachusetts and Western Connecticut.

SKYWARN Activation with Ops at NWS Taunton are possible to likely later this afternoon and tonight. This will be the only complete coordination message on this event. A shortened coordination message will be issued if time allows and Ops at NWS Taunton are initiated. Below is the NWS Taunton Flash Flood Watch Statement, Hazardous Weather Outlook and SPC Day-1 Convective Outlook:

NWS Taunton Flash Flood Watch Statement:
http://kamala.cod.edu/ma/latest.wgus61.KBOX.html

NWS Taunton Hazardous Weather Outlook:
http://kamala.cod.edu/ma/latest.flus41.KBOX.html

SPC Day-1 Convective Outlook:
http://www.spc.noaa.gov/products/outlook/day1otlk.html

Respectfully Submitted,

Robert Macedo (KD1CY)
ARES SKYWARN Coordinator
Eastern Massachusetts ARES Section Emergency Coordinator
Home Phone #: (508) 994-1875 (After 6 PM)
Home/Data #: (508) 997-4503 (After 6 PM)
Work Phone #: 508-346-2929 (8 AM-5 PM)
Email Address: rmacedo@rcn.com
http://ares.ema.arrl.org
http://beta.wx1box.org

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