Alert archive / Massachusetts / Special Weather Statements in 2019

Special Weather Statement, NWS Boston/Norton, MA

June 29, 2019Essex County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Jun 29, 2019, 11:31 PM EDT for Essex County, Massachusetts. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 29, 2019, 11:31 PM EDT (03:31 UTC)
Expired: Jun 30, 2019, 12:15 AM EDT
In force: 44 min
Issued by: NWS Boston/Norton, MA

County Essex County, MA

The radar

The Boston radar (KBOX), 99 km from the middle of the area, began a volume at 03:35 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.

The nearest sounding before it

Gray, ME (KGYX), launched 00:00Z, 3.5 hours before the alert went out and 129 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 765 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1210 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 29, 10:20 PM EDT, 1 hour 11 minutes earlier.

Area forecast discussion, Jun 29, 10:20 PM EDT, 1 hour 11 minutes before

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Hazardous weather outlook, Jun 29, 3:13 PM EDT, 8 hours 18 minutes before

Hazardous Weather Outlook
National Weather Service Boston/Norton MA
313 PM EDT Sat Jun 29 2019

CTZ002>004-MAZ002>024-026-RIZ001>008-301915-
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-
313 PM EDT Sat Jun 29 2019

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

.DAY ONE...This afternoon and tonight.

Scattered strong to severe thunderstorms are expected into early
this evening. The main threats will be locally strong to damaging
winds and large hail. Heavy rain may result in very localized street
flooding.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Scattered strong thunderstorms, some of which may become severe, are
expected from mid to late Sunday morning through Sunday afternoon.
Hail will be the primary concern with strong to locally damaging wind
gusts a secondary concern. Heavy rain may result in localized street
flooding.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

ANZ230>237-250-251-254>256-301915-
Boston Harbor-Cape Cod Bay-Nantucket Sound-Vineyard Sound-
Buzzards Bay-Rhode Island Sound-Narragansett Bay-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-
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-
313 PM EDT Sat Jun 29 2019

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

.DAY ONE...This afternoon and tonight.

A few strong to severe thunderstorms are possible across the waters
into this evening. Localized strong wind gusts and hail are the main
concerns.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Scattered strong to severe thunderstorms are expected from late
Sunday morning into Sunday afternoon.. Large hail and locally strong
wind gusts are the main concerns.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

Frank

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

You can follow us on Facebook at
www.facebook.com/us.nationalweatherservice.boston.gov

You can follow us on Twitter at
@NWSBoston

In the hours before

Local storm report, Jun 29, 5:50 PM EDT, 5 hours 41 minutes before

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Special weather statement, Jun 29, 6:10 PM EDT, 5 hours 21 minutes before

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Special weather statement, Jun 29, 6:14 PM EDT, 5 hours 17 minutes before

Special Weather Statement
National Weather Service Boston/Norton MA
614 PM EDT Sat Jun 29 2019

MAZ020-022-023-RIZ007-292315-
Southern Bristol MA-Barnstable MA-Dukes MA-Newport RI-
614 PM EDT Sat Jun 29 2019

...STRONG THUNDERSTORMS DEVELOPING...

At 614 PM EDT, Doppler radar was tracking a strong thunderstorm near
Westport, or near Dartmouth, moving east at 15 mph.

Winds in excess of 30 mph will accompany this storm.

Locations impacted include...
Dartmouth, Falmouth, Oak Bluffs, Edgartown, Tisbury, Westport, Little
Compton, West Tisbury, Chilmark and Gosnold.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Get indoors when this storm approaches. Winds may be strong enough to
produce minor damage, such as a few downed branches.

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.

&&

LAT...LON 4140 7075 4143 7073 4143 7072 4146 7069
      4142 7087 4149 7098 4147 7113 4163 7113
      4159 7088 4150 7097 4147 7093 4150 7077
      4158 7087 4151 7078 4158 7065 4154 7058
      4148 7069 4149 7058 4138 7059
TIME...MOT...LOC 2214Z 273DEG 15KT 4154 7104

Belk

Local storm report, Jun 29, 6:47 PM EDT, 4 hours 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
647 PM EDT SAT JUN 29 2019

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

0426 PM     FLOOD            EAST BOSTON             42.37N  71.03W
06/29/2019                   SUFFOLK            MA   AMATEUR RADIO

            LEWIS STREET AT MARGINAL STREET FLOODED AND IMPASSABLE

0436 PM     FLOOD            CHELSEA                 42.40N  71.03W
06/29/2019                   SUFFOLK            MA   AMATEUR RADIO

            CAR STUCK IN FLOODING ON CLARK AND STOCKON STREET

0438 PM     FLOOD            EAST BOSTON             42.37N  71.03W
06/29/2019                   SUFFOLK            MA   AMATEUR RADIO

            MULTIPLE CARS STUCK I FLOOD WATERS ON MCCLELLAN HIGHWAY
            AND RTE 1A AND AT CONDOR AT PUTNAM STREET

0459 PM     FLOOD            HULL                    42.30N  70.90W
06/29/2019                   PLYMOUTH           MA   AMATEUR RADIO

            PORTIONS ON NANTASKET AVE AND F STREET WERE FLOODED AND
            IMPASSABLE DUE TO FLOODING.

0516 PM     FLOOD            REVERE                  42.42N  70.99W
06/29/2019                   SUFFOLK            MA   AMATEUR RADIO

            NORTH SHORE ROAD SOUTH BOUND LANE FLOODED WITH CAR
            STUCK IN STREET

&&

EVENT NUMBER BOX1902507
EVENT NUMBER BOX1902508
EVENT NUMBER BOX1902509
EVENT NUMBER BOX1902510
EVENT NUMBER BOX1902511

WS

Local storm report, Jun 29, 7:39 PM EDT, 3 hours 52 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
739 PM EDT SAT JUN 29 2019

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

0310 PM     HAIL             WARREN                  42.22N  72.19W
06/29/2019  M0.75 INCH       WORCESTER          MA   PUBLIC

0328 PM     HAIL             CARLISLE                42.53N  71.35W
06/29/2019  M0.75 INCH       MIDDLESEX          MA   AMATEUR RADIO

0351 PM     HAIL             SCITUATE                41.80N  71.62W
06/29/2019  M1.00 INCH       PROVIDENCE         RI   AMATEUR RADIO

0400 PM     HAIL             LINCOLN                 41.92N  71.47W
06/29/2019  M1.75 INCH       PROVIDENCE         RI   PUBLIC

0404 PM     HAIL             CUMBERLAND              41.97N  71.46W
06/29/2019  M1.75 INCH       PROVIDENCE         RI   AMATEUR RADIO

0405 PM     HAIL             NORTH ATTLEBORO         41.98N  71.33W
06/29/2019  M1.00 INCH       BRISTOL            MA   AMATEUR RADIO

0410 PM     HAIL             NORTH ATTLEBORO         41.98N  71.33W
06/29/2019  M1.50 INCH       BRISTOL            MA   PUBLIC

0419 PM     HAIL             ATTLEBORO               41.94N  71.29W
06/29/2019  M1.00 INCH       BRISTOL            MA   AMATEUR RADIO

0424 PM     MARINE TSTM WIND DEER ISLAND             42.34N  70.95W
06/29/2019  M59 MPH          ANZ230             MA   MESONET

0426 PM     FLOOD            EAST BOSTON             42.37N  71.03W
06/29/2019                   SUFFOLK            MA   AMATEUR RADIO

            LEWIS STREET AT MARGINAL STREET FLOODED AND IMPASSABLE

0427 PM     MARINE TSTM WIND PLEASURE BAY            42.33N  71.02W
06/29/2019  M44 MPH          SUFFOLK            MA   MESONET

0435 PM     MARINE TSTM WIND HULL                    42.31N  70.89W
06/29/2019  M49 MPH          PLYMOUTH           MA   MESONET

0436 PM     FLOOD            CHELSEA                 42.40N  71.03W
06/29/2019                   SUFFOLK            MA   AMATEUR RADIO

            CAR STUCK IN FLOODING ON CLARK AND STOCKON STREET

0438 PM     FLOOD            EAST BOSTON             42.37N  71.03W
06/29/2019                   SUFFOLK            MA   AMATEUR RADIO

            MULTIPLE CARS STUCK I FLOOD WATERS ON MCCLELLAN HIGHWAY
            AND RTE 1A AND AT CONDOR AT PUTNAM STREET

0440 PM     TSTM WND GST     HULL                    42.31N  70.89W
06/29/2019  M58 MPH          PLYMOUTH           MA   MESONET

0459 PM     FLOOD            HULL                    42.30N  70.90W
06/29/2019                   PLYMOUTH           MA   AMATEUR RADIO

            PORTIONS ON NANTASKET AVE AND F STREET WERE FLOODED AND
            IMPASSABLE DUE TO FLOODING.

0501 PM     TSTM WND DMG     PEMBROKE                42.07N  70.80W
06/29/2019                   PLYMOUTH           MA   AMATEUR RADIO

            TREE AND WIRES DOWN ACROSS ROAD ON PLEASANT STREET

0505 PM     TSTM WND DMG     DUXBURY                 42.04N  70.67W
06/29/2019                   PLYMOUTH           MA   AMATEUR RADIO

            TREES AND WIRES DOWN ON KEENE STREET

0512 PM     TSTM WND DMG     COHASSET                42.23N  70.80W
06/29/2019                   NORFOLK            MA   AMATEUR RADIO

            LARGE TREE DOWN ON POND AND NORFOLK ROAD

0516 PM     FLOOD            REVERE                  42.42N  70.99W
06/29/2019                   SUFFOLK            MA   AMATEUR RADIO

            NORTH SHORE ROAD SOUTH BOUND LANE FLOODED WITH CAR
            STUCK IN STREET

0517 PM     TSTM WND GST     NEWPORT                 41.56N  71.33W
06/29/2019  M59 MPH          ANZ236             RI   MESONET

&&

EVENT NUMBER BOX1902492 BOX1902491 BOX1902497 BOX1902495 BOX1902498
BOX1902493 BOX1902494 BOX1902499 BOX1902496 BOX1902507 BOX1902500
BOX1902501 BOX1902508 BOX1902509 BOX1902502 BOX1902510 BOX1902503
BOX1902504 BOX1902505 BOX1902511 BOX1902506

WS

Special weather statement, Jun 29, 11:31 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Boston/Norton MA
1131 PM EDT Sat Jun 29 2019

MAZ006-007-300415-
Eastern Essex MA-Western Essex MA-
1131 PM EDT Sat Jun 29 2019

...STRONG THUNDERSTORM APPROACHING NORTHERN ESSEX COUNTY...

At 1130 PM EDT, Doppler radar was tracking a strong thunderstorm near
Raymond, or near Derry, moving east at 30 mph.

Penny size hail and winds in excess of 40 mph will accompany this
storm.

Locations impacted include...
Haverhill, Newburyport, Amesbury, Salisbury, Newbury, Merrimac,
Rowley, West Newbury, Seabrook, South Hampton, Newton and Plaistow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Get indoors when this storm approaches. Winds may be strong enough to
produce minor damage, such as a few downed branches.

&&

LAT...LON 4286 7085 4287 7082 4283 7081 4281 7087
      4280 7083 4282 7082 4280 7081 4279 7078
      4274 7077 4281 7116 4282 7113 4281 7107
      4286 7103 4289 7090
TIME...MOT...LOC 0330Z 277DEG 27KT 4294 7122

KJC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 12:03 AM EDT	Special Marine Warning	BOX		42 min
Jun 30, 12:11 AM EDT	Severe Thunderstorm Warning	BOX	Essex	11 min
Jun 30, 12:21 AM EDT	Special Weather Statement	BOX	Worcester	39 min
Jun 30, 12:44 AM EDT	Special Marine Warning	BOX		46 min
Jun 30, 12:59 AM EDT	Special Weather Statement	BOX	Norfolk	46 min
Jun 30, 12:34 PM EDT	Special Weather Statement	BOX	Middlesex	41 min
Jun 30, 1:10 PM EDT	Special Weather Statement	BOX	Worcester	50 min
Jun 30, 1:19 PM EDT	Special Weather Statement	BOX	Hampshire	41 min
Jun 30, 1:43 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk, Worcester	47 min
Jun 30, 1:45 PM EDT	Special Weather Statement	BOX	Middlesex	45 min
Jun 30, 1:51 PM EDT	Special Weather Statement	BOX	Worcester	39 min
Jun 30, 2:08 PM EDT	Special Weather Statement	BOX	Essex	37 min
Jun 30, 2:11 PM EDT	Special Weather Statement	BOX	Middlesex	49 min
Jun 30, 2:26 PM EDT	Special Marine Warning	BOX		64 min
Jun 30, 2:27 PM EDT	Special Weather Statement	BOX	Worcester	48 min
Jun 30, 2:29 PM EDT	Special Weather Statement	BOX	Suffolk	46 min
Jun 30, 2:33 PM EDT	Severe Thunderstorm Warning	BOX	Worcester	32 min
Jun 30, 2:35 PM EDT	Severe Thunderstorm Warning	BOX	Essex	40 min
Jun 30, 2:37 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Norfolk, Plymouth, Suffolk	53 min
Jun 30, 2:39 PM EDT	Special Marine Warning	BOX		66 min
Jun 30, 2:44 PM EDT	Special Marine Warning	BOX		91 min
Jun 30, 3:18 PM EDT	Special Marine Warning	BOX		27 min
Jun 30, 3:28 PM EDT	Special Weather Statement	BOX	Plymouth	47 min
Jun 30, 3:33 PM EDT	Special Marine Warning	BOX		45 min
Jun 30, 3:36 PM EDT	Severe Thunderstorm Warning	BOX	Plymouth	54 min
Jun 30, 3:37 PM EDT	Special Marine Warning	BOX		38 min
Jun 30, 3:38 PM EDT	Special Marine Warning	BOX		67 min
Jun 30, 3:43 PM EDT	Special Marine Warning	BOX		92 min
Jun 30, 3:58 PM EDT	Severe Thunderstorm Warning	BOX	Barnstable, Plymouth	62 min
Jun 30, 4:16 PM EDT	Special Marine Warning	BOX		59 min
Jun 30, 4:26 PM EDT	Special Weather Statement	BOX	Dukes	49 min
Jun 30, 4:59 PM EDT	Severe Thunderstorm Warning	BOX	Dukes, Nantucket	27 min
Jun 30, 5:06 PM EDT	Special Marine Warning	BOX		54 min
Jun 30, 5:46 PM EDT	Special Weather Statement	BOX	Norfolk	44 min
Jun 30, 6:03 PM EDT	Special Marine Warning	BOX		57 min
Jun 30, 6:14 PM EDT	Special Weather Statement	BOX	Bristol	46 min
Jun 30, 6:51 PM EDT	Special Weather Statement	BOX	Norfolk	39 min
Jun 30, 3:17 PM EDT	Special Weather Statement	BOX	Bristol, Kent, Newport	58 min
Jun 30, 3:22 PM EDT	Severe Thunderstorm Warning	BOX	Kent, Newport, Providence, Washington	38 min

Nearby

Special Weather Statements in Massachusetts, 2019 Every special weather statement in 2019

Sources

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