Storm Coordination Message #3 – Late Thursday Night 2/24/22-Friday Night 2/25/22 Winter Storm Potential

Hello to all…

..Significant winter storm on track for impacts to Southern New England for late Thursday Night into Friday..
..A Winter Storm Warning is now in effect from 12 AM Friday to 12 AM Saturday for Franklin, Hampden, Hampshire, Worcester, Middlesex, Norfolk, Essex and Suffolk counties for 7-12″ of snow with isolated higher amounts along and north of Route 2. Snowfall will occur at a rate of 1-2″ per hour during the morning hours through midday with high impacts to the morning commute and some impacts to the evening commute..
..A Winter Storm Warning is now in effect from 12 AM Friday to 12 AM Saturday for Northern Connecticut, Providence County RI, North-Central Bristol and North-Central Plymouth Counties of Massachusetts for 4-8″ of snow with isolated higher amounts with snow changing to sleet and freezing rain and then back to snow with a potential flash freeze expected. Snowfall will occur at a rate of 1-2″ per hour during the morning hours through midday with high impacts to the morning commute and some impacts to the evening commute..
..A Winter Weather Advisory is now in effect from 12 AM Friday to 12 AM Saturday for South Coastal Massachusetts including Cape Cod and Central and Southern Rhode Island for 2-5″ of snow and wind gusts as high as 35 MPH for snow changing over to sleet, freezing rain and rain and then back to snow with a potential flash freeze expected..
..The islands will see 2″ or less of snow with snow over to rain changing back to snow before ending..
..SKYWARN Self-Activation with Amateur Radio Call-Up Nets likely for Friday to acquire snowfall amounts and precipitation type changeover reports..

A significant winter storm with high snowfall rates per hour will impact Southern New England. The morning commute will see the worst impact but the evening commute will also see some impacts. The headlines depict the current thinking. Key factors include:

1.) There is high confidence in the heavy snowfall potential from roughly the metro Boston area and Norfolk County Massachusetts north and west with significant impacts to the morning commute and some impacts to the evening commute.
2.) For the areas of Connecticut, Rhode Island and Southeast Massachusetts away from the south coast, heavy snow and then mixed precipitation before changing back to lighter snow before ending with flash freeze potential are the main impacts with the morning commute most heavily impacted by high snow rates with some impacts to the evening commute. If this mix stays further south of this zone, heavier snowfall is expected. There is a lower risk of if the mix line trending further north which could allow for some rain to be mixed in before a changeover to snow and will bear watching. Spotter reports on precipitation type will be important for this event.
3.) South Coastal areas of Massachusetts and Rhode Island will see snow to wintry mix to rain and then a change back to light snow with a flash freeze before ending.

SKYWARN Self-Activation with Amateur Radio Call-Up Nets will commence on Friday. The following is a schedule of initial SKYWARN Nets on various Amateur Radio repeaters and HF, additional nets beyond these nets will be announced on the frequency (likely on an hourly or every 2 hour interval):

600 AM: 147.375-Falmouth, MA Repeater PL: 110.9 -Cape and Islands Weather Net
630 AM: NB1RI Repeater System -RI SKYWARN Net
700 AM: 146.940-Mount Tom MA Repeater PL: 127.3 -Western Mass SKYWARN Net
700 AM: 146.790-Vernon, CT Repeater PL: 82.5 Hz -Hartford-Tolland-Windham County SKYWARN Net
700 AM: 146.895-Walpole, MA Repeater PL: 123.0 Hz -Norfolk County SKYWARN Net
730 AM: 146.970-Paxton, MA Repeater PL: 114.8 Hz -Worcester County SKYWARN Net
730 AM: 3944 KHz – Western Massachusetts Emergency Net
730 AM: 147.180-Bridgewater MA Repeater PL: 67.0 Hz -South Shore SKYWARN Net
-The *NEW-ENG3* Echolink conference node: 7203/IRLP 9123 network will be monitored for SKYWARN reports throughout the day.
-Other random net call-ups may occur on the 145.470-Danvers Repeater, 146.955-Westford Repeater, 147.000-Dartmouth Repeater, 146.640-Waltham Repeater and 145.23-Boston Repeater

This will be the last coordination message as we shift into operations mode. Below is the NWS Boston/Norton Winter Storm Warning/Winter Weather Advisory Statement, and Snow and Ice Maps:

NWS Boston/Norton Winter Storm Warning/Winter Weather Advisory Statement & Snow and Ice Maps:
https://www.weather.gov/box/winter

NWS Boston/Norton Area Forecast Discussion:
https://forecast.weather.gov/product.php?site=BOX&product=AFD&issuedby=BOX

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://www.wx1box.org
Like us on Facebook – http://www.facebook.com/wx1box
Follow us on Twitter – http://twitter.com/wx1box