Alert archive / Massachusetts / Areal Flood Warnings in 2017

Areal Flood Warning 4, NWS Boston/Norton, MA

April 6, 2017Essex County, Middlesex County, Massachusetts

NWS Boston/Norton, MA issued this areal flood warning at Apr 6, 2017, 8:11 PM EDT for Essex County, Middlesex County, Massachusetts. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 6, 2017, 8:11 PM EDT (00:11 UTC)
Expired: Apr 7, 2017, 12:15 AM EDT
In force: 4 hr
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Flood severity: None

Counties Essex County, MA, Middlesex County, MA

The radar

The Boston radar (KBOX), 67 km from the middle of the area, began a volume at 00:13 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Boston/Norton, MA wrote its last area forecast discussion before this areal flood warning went out at Apr 6, 7:21 PM EDT, 50 minutes earlier.

Area forecast discussion, Apr 6, 7:21 PM EDT, 50 minutes before

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Hazardous weather outlook, Apr 6, 3:30 PM EDT, 4 hours 41 minutes before

Hazardous Weather Outlook
National Weather Service Taunton MA
330 PM EDT Thu Apr 6 2017

CTZ002>004-MAZ002>024-026-RIZ001>008-071930-
Hartford CT-Tolland CT-Windham CT-Western Franklin MA-
Eastern Franklin MA-Northern Worcester MA-Central Middlesex MA-
Western Essex MA-Eastern Essex MA-Western Hampshire MA-
Western Hampden MA-Eastern Hampshire MA-Eastern Hampden MA-
Southern Worcester MA-Western Norfolk MA-Southeast Middlesex MA-
Suffolk MA-Eastern Norfolk MA-Northern Bristol MA-
Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA-
Southern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-
Northern Middlesex MA-Northwest Providence RI-
Southeast Providence RI-Western Kent RI-Eastern Kent RI-Bristol RI-
Washington RI-Newport RI-Block Island RI-
330 PM EDT Thu Apr 6 2017

...FLOOD WATCH IN EFFECT THROUGH FRIDAY EVENING...

This Hazardous Weather Outlook is for northern Connecticut, all of
Massachusetts except Berkshire County, and Rhode Island.

.DAY ONE...Tonight.

Isolated severe thunderstorms may produce damaging winds through
this evening, mainly in Rhode Island and southeast Massachusetts.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

In addition...Flood Warnings are in effect for some rivers in
northern Connecticut, southern Rhode Island and eastern
Massachusetts.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is requested through this evening to monitor
flooding. Isolated severe thunderstorms are possible in Rhode Island
and southeast Massachusetts.

ANZ255-256-071930-
Coastal Waters extending out to 25 nm South of Marthas Vineyard and
Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out to
20 nm South of Block Island-
317 PM EDT Thu Apr 6 2017

...GALE WARNING IN EFFECT UNTIL 10 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for Massachusetts coastal waters
and Rhode Island coastal waters.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

ANZ231>235-237-250-251-254-071930-
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Coastal waters east of Ipswich Bay and the Stellwagen Bank National
Marine Sanctuary-Massachusetts Bay and Ipswich Bay-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
317 PM EDT Thu Apr 6 2017

...GALE WARNING IN EFFECT UNTIL 10 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for Massachusetts coastal waters
and Rhode Island coastal waters.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

ANZ230-236-071930-
Boston Harbor-Narragansett Bay-
317 PM EDT Thu Apr 6 2017

This Hazardous Weather Outlook is for Massachusetts coastal waters
and Rhode Island coastal waters.

.DAY ONE...This Afternoon and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston

In the hours before

Special weather statement, Apr 6, 6:07 PM EDT, 2 hours 4 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Taunton MA
607 PM EDT THU APR 6 2017

CTZ002>004-MAZ004-011-012-062230-
Hartford CT-Tolland CT-Windham CT-Southern Worcester MA-
Eastern Hampden MA-Northern Worcester MA-
607 PM EDT THU APR 6 2017

...A line of strong thunderstorms continues to sweep north across
Connecticut into Southern Central Massachusetts...

At 604 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from South Windsor to near Norwich to 7 miles
southeast of Westerly. Movement was north at 85 mph.

Already reports have been received of hail up to the size of nickels
with observing networks reporting winds in excess of 40 mph.

Threats are expected to continue across the advised area.

Locations impacted include...
Worcester, Springfield, Hartford, Manchester, Chicopee, Enfield,
Holyoke, Glastonbury, Vernon, Windsor, Agawam, Mansfield, Windham,
Plainfield, Ludlow, Grafton and Willimantic.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent lightning was occurring. Lightning can strike far away from
the storm. Go inside a building or vehicle. Wait at least 30 minutes
until after the storm has passed to resume outdoor activities.

These storms may intensity and become capable of producing damage.
Stay tuned for updated statements and possible warnings.

&&

LAT...LON 4225 7264 4221 7260 4222 7252 4219 7239
      4225 7222 4224 7169 4201 7180 4164 7179
      4171 7224 4169 7227 4167 7228 4164 7233
      4162 7232 4160 7234 4180 7266
TIME...MOT...LOC 2204Z 180DEG 83KT 4182 7259 4152 7209 4125 7170

Sipprell

Local storm report, Apr 6, 7:06 PM EDT, 1 hour 5 minutes before

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Local storm report, Apr 6, 7:17 PM EDT, 54 minutes before

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Special weather statement, Apr 6, 7:26 PM EDT, 45 minutes before

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Local storm report, Apr 6, 7:41 PM EDT, 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
741 PM EDT THU APR 06 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0734 PM     FLOOD            BILLERICA               42.55N  71.27W
04/06/2017                   MIDDLESEX          MA   BROADCAST MEDIA

            FLOODING ON ELSIE AVE FROM CONCORD RIVER

&&

DUNTEN

Local storm report, Apr 6, 7:49 PM EDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
749 PM EDT THU APR 06 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0510 PM     FLOOD            BILLERICA               42.55N  71.27W
04/06/2017                   MIDDLESEX          MA   BROADCAST MEDIA

            CONCORD RIVER HAS RISEN ABOVE ITS BANKS

0648 PM     LIGHTNING        DARTMOUTH               41.57N  71.00W
04/06/2017                   BRISTOL            MA   AMATEUR RADIO

            LARGE TREE DOWN ON HIGH HILL ROAD

0709 PM     LIGHTNING        VINEYARD HAVEN          41.45N  70.62W
04/06/2017                   DUKES              MA   AMATEUR RADIO

            LIGHTNING STRIKE ON A HOUSE CAUSING DAMAGE TO THE ROOF

0734 PM     FLOOD            BILLERICA               42.55N  71.27W
04/06/2017                   MIDDLESEX          MA   BROADCAST MEDIA

            FLOODING ON ELSIE AVE FROM CONCORD RIVER

&&

DUNTEN

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 6, 10:52 PM EDT	River Flood Warning	BOX	Middlesex	39 hr
Apr 6, 10:52 PM EDT	River Flood Warning	BOX	Middlesex, Norfolk	27 hr
Apr 6, 11:57 PM EDT	Areal Flood Advisory	BOX	Essex, Middlesex	7 hr
Apr 7, 12:02 AM EDT	Areal Flood Advisory	BOX	Essex, Middlesex	7 hr
Apr 7, 1:24 AM EDT	Small Craft Advisory	BOX		46 hr

Nearby

Areal Flood Warnings in Massachusetts, 2017 Every areal flood warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.