<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000'>Hello to all...<br><br>..Isolated to Scattered Strong to Severe Thunderstorms likely over Western Massachusetts and North-Central Connecticut <span class="Object" id="OBJ_PREFIX_DWT719_com_zimbra_date">Monday</span>
Afternoon and Evening. Strong to damaging winds, frequent lightning and
heavy rainfall leading to urban and poor drainage flooding and possibly
flash flooding are the primary threats. Hail and perhaps even an
isolated brief tornado are secondary threats..<br>..The Storm Prediction
Center (SPC) has continued Western Massachusetts and North-Central
Connecticut in a slight to enhanced risk of severe weather for <span class="Object" id="OBJ_PREFIX_DWT720_com_zimbra_date">Monday</span>. The timeframe for severe weather and flash flood potential is between 2-11 PM EDT Monday..<br>..A Flash Flood Watch remains in effect from <span class="Object" id="OBJ_PREFIX_DWT721_com_zimbra_date">Monday</span> Afternoon through late <span class="Object" id="OBJ_PREFIX_DWT722_com_zimbra_date">Monday</span> Night for Franklin, Hampshire and Hampden Counties of Western Massachusetts and Hartford County of Northern Connecticut and is now expanded to include Worcester and Northern Middlesex County of Massachusetts and Tolland County Connecticut..<br>..SKYWARN Activation with Ops at NWS Taunton will commence by 1 PM EDT <span class="Object" id="OBJ_PREFIX_DWT723_com_zimbra_date">Monday</span> for severe weather potential..<br>..Please note that the scheduled Doppler Radar major upgrade has been delayed to start on Tuesday June 20th lasting through Friday June 23rd given the severe weather potential for Monday June 19th..<br><br>Not much change to the earlier thinking on severe weather and flash flooding potential and the key factors that can affect that potential. The Flash Flood Watch has been expanded to include Worcester and Northern Middlesex Counties of Massachusetts and Tolland County Connecticut. It is noted as sent out in a separate message that the NWS Taunton Doppler Radar major upgrade has been delayed to start on Tuesday June 20th. The text of that separate message is listed below:<br><br>The NWS Taunton Major Doppler Radar Upgrade previously announced to start on Monday <span class="Object" id="OBJ_PREFIX_DWT909_com_zimbra_date">6/19/17</span> will be delayed to Tuesday <span class="Object" id="OBJ_PREFIX_DWT910_com_zimbra_date">6/20/17</span> due to the severe weather and flash flooding potential in western parts of the NWS Taunton coverage area for Monday <span class="Object" id="OBJ_PREFIX_DWT911_com_zimbra_date">6/19/17</span>. This means the upgrade will cover approximately four days from Tuesday <span class="Object" id="OBJ_PREFIX_DWT912_com_zimbra_date">6/20/17</span> through Friday <span class="Object" id="OBJ_PREFIX_DWT913_com_zimbra_date">6/23/17</span>. The details can be seen at the following link to the Public Information Statement:<br><br><span class="Object" id="OBJ_PREFIX_DWT914_com_zimbra_url"><a target="_blank" href="https://nwschat.weather.gov/p.php?pid=201706181431-KBOX-NOUS41-PNSBOX">https://nwschat.weather.gov/p.php?pid=201706181431-KBOX-NOUS41-PNSBOX</a><br><br>The remainder of the text below is unchanged except to note that the next coordination message will be posted by 1000 AM Monday Morning.<br></span><br>Warm and humid air will be entrenched across Southern New England as we head into the day on <span class="Object" id="OBJ_PREFIX_DWT724_com_zimbra_date">Monday</span>. A cold front will approach Southern New England <span class="Object" id="OBJ_PREFIX_DWT725_com_zimbra_date">Monday</span> Afternoon and move through the region in the late afternoon <span class="Object" id="OBJ_PREFIX_DWT726_com_zimbra_date">Monday</span> through <span class="Object" id="OBJ_PREFIX_DWT727_com_zimbra_date">Monday</span>
Night. Strong wind shear profiles with expected heating and
destabilization are expecting to offset a couple other unfavorable
parameters for isolated to scattered strong to severe thunderstorms
particularly across Western Massachusetts and Northern Connecticut. As
the front and any strong to severe thunderstorms make there way eastward
it will be into the later afternoon and evening and that will mean
weakening of thunderstorms as they move into Eastern New England. The
headlines of the coordination message depict the potential for <span class="Object" id="OBJ_PREFIX_DWT728_com_zimbra_date">Monday</span>. Key factors for the severe weather and flash flood potential include:<br><br>1.) Sunshine for expected heating and destabilization occurs as expected.<br>2.) Timing of the cold front is near the favorable timeframe for peak heating.<br>3.)
The forcing of the cold front, high dewpoints and favorably strong wind
shear offset other unfavorable parameters for severe weather.<br><br>SKYWARN
Activation with Ops at NWS Taunton will commence by 1 PM EDT Monday for
severe weather potential. Another coordination message will be posted
by 1000 AM <span class="Object" id="OBJ_PREFIX_DWT729_com_zimbra_date">Monday Morning</span>
regarding the severe weather and flash flooding potential. Below is the NWS Taunton Flash
Flood Watch Statement, Hazardous Weather Outlook, Enhanced Experimental
Hazardous Weather Outlook and SPC Day-2 Convective Outlook:<br><br>NWS Taunton Flash Flood Watch Statement:<br><span class="Object" id="OBJ_PREFIX_DWT730_com_zimbra_url"><a target="_blank" href="http://kamala.cod.edu/ma/latest.wgus61.KBOX.html">http://kamala.cod.edu/ma/latest.wgus61.KBOX.html</a></span><br><br>NWS Taunton Hazardous Weather Outlook:<br><span class="Object" id="OBJ_PREFIX_DWT731_com_zimbra_url"><a target="_blank" href="http://kamala.cod.edu/ma/latest.flus41.KBOX.html">http://kamala.cod.edu/ma/latest.flus41.KBOX.html</a></span><br><br>NWS Taunton Experimental Enhanced Hazardous Weather Outlook:<br><span class="Object" id="OBJ_PREFIX_DWT732_com_zimbra_url"><a target="_blank" href="https://www.weather.gov/box/ehwo">https://www.weather.gov/box/ehwo</a></span><br><br>SPC Day-2 Convective Outlook:<br><span class="Object" id="OBJ_PREFIX_DWT733_com_zimbra_url"><a target="_blank" href="http://www.spc.noaa.gov/products/outlook/day2otlk.html">http://www.spc.noaa.gov/products/outlook/archive/2017/day2otlk_20170618_1730.html</a></span><br><br>Respectfully Submitted,<br><br>Robert Macedo (KD1CY)<br>ARES SKYWARN Coordinator<br>Eastern Massachusetts ARES Assistant Section Emergency Coordinator<br>Home Phone #: (508) 994-1875 (After 6 PM)<br>Home/Data #: (508) 997-4503 (After 6 PM)<br>Work Phone #: 508-346-2929 (8 AM-5 PM)<br>Email Address: <span class="Object" id="OBJ_PREFIX_DWT734_com_zimbra_email">rmacedo@rcn.com</span><br><span class="Object" id="OBJ_PREFIX_DWT735_com_zimbra_url"><a target="_blank" href="http://ares.ema.arrl.org">http://ares.ema.arrl.org</a></span><br><span class="Object" id="OBJ_PREFIX_DWT736_com_zimbra_url"><a target="_blank" href="http://www.wx1box.org">http://www.wx1box.org</a></span><br>Like us on Facebook - <span class="Object" id="OBJ_PREFIX_DWT737_com_zimbra_url"><a target="_blank" href="http://www.facebook.com/wx1box">http://www.facebook.com/wx1box</a></span><br>Follow us on Twitter - <span class="Object" id="OBJ_PREFIX_DWT738_com_zimbra_url"><a target="_blank" href="http://twitter.com/wx1box">http://twitter.com/wx1box</a><br><br></span></div></body></html>