Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 77, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Sep 6, 2017, 10:42 AM EDT for Bristol County, Norfolk County, Plymouth County, Massachusetts; Bristol County, Newport County, Providence County, Rhode Island. It was in force for 33 min. 9 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 6, 2017, 10:42 AM EDT (14:42 UTC)
- Expired
- Sep 6, 2017, 11:15 AM EDT
- In force
- 33 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Bristol County, MA, Norfolk County, MA, Plymouth County, MA, Bristol County, RI, Newport County, RI, Providence County, RI
The radar
The Boston radar (KBOX), 30 km from the middle of the area, began a volume at 14:46 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 6, 10:42 AM EDT | TSTM WND DMG | Swansea, MA | WIRES DOWN ON WARREN AVE NEAR HOLLISTER ROAD |
| Sep 6, 10:55 AM EDT | TSTM WND DMG | Acushnet, MA | WIRES DOWN AT PEMBROKE AVE AT DALTON STREET |
| Sep 6, 10:56 AM EDT | MARINE TSTM WIND 57 | Fall River, MA | BORDEN FLATS |
| Sep 6, 10:57 AM EDT | MARINE TSTM WIND 57 | Fall River, MA | BORDEN FLATS |
| Sep 6, 11:00 AM EDT | TSTM WND DMG | Fall River, MA | TREE DOWN ON CAR ON TUTTLE STREET |
| Sep 6, 11:00 AM EDT | TSTM WND DMG | Somerset, MA | POWER LINES DOWN ON ONEILL ROAD |
| Sep 6, 11:10 AM EDT | TSTM WND DMG | Middleboro, MA | TREE DOWN ON PLYMOUTH STREET |
| Sep 6, 11:20 AM EDT | TSTM WND DMG | Holbrook, MA | TREE DOWN ON WESTON AVENUE AT UNION STREET |
| Sep 6, 11:24 AM EDT | TSTM WND DMG | Braintree, MA | TREE DOWN IN ROAD NEAR STOP AND SHOP |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 2.7 hours before the alert went out and 99 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.
- Mixed-layer CAPE
- 363 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 654 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
488
WUUS51 KBOX 061442
SVRBOX
MAC005-021-023-RIC001-005-007-061515-
/O.NEW.KBOX.SV.W.0077.170906T1442Z-170906T1515Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Taunton MA
1042 AM EDT WED SEP 6 2017
The National Weather Service in Taunton has issued a
* Severe Thunderstorm Warning for...
Southern Norfolk County in eastern Massachusetts...
Plymouth County in southeastern Massachusetts...
Bristol County in southeastern Massachusetts...
Northeastern Newport County in Rhode Island...
Eastern Providence County in Rhode Island...
Bristol County in Rhode Island...
* Until 1115 AM EDT
* At 1041 AM EDT, severe thunderstorms were located along a line
extending from Woonsocket to Dartmouth, moving northeast at 45 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* Locations impacted include...
Providence, New Bedford, Brockton, Quincy, Fall River, Warwick,
Cranston, Pawtucket, Plymouth, Taunton, Weymouth, East Providence,
Woonsocket, Braintree, Dartmouth, Cumberland, Randolph, North
Providence, Franklin and Johnston.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4149 7108 4147 7113 4170 7138 4171 7136
4166 7132 4169 7131 4173 7139 4176 7139
4177 7142 4175 7145 4192 7165 4224 7102
4189 7055 4158 7087 4159 7088 4157 7093
4152 7093 4147 7103
TIME...MOT...LOC 1441Z 224DEG 55KT 4198 7150 4156 7097
HAIL...0.75IN
WIND...60MPH
$$
LECThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 9:30 AM EDT | Special Weather Statement | BOX | Essex | 30 min |
| Sep 6, 9:45 AM EDT | Small Craft Advisory | BOX | 25 hr | |
| Sep 6, 10:00 AM EDT | Special Marine Warning | BOX | 45 min | |
| Sep 6, 10:04 AM EDT | Severe Thunderstorm Warning | BOX | Bristol | 41 min |
| Sep 6, 10:16 AM EDT | Special Marine Warning | BOX | 44 min | |
| Sep 6, 10:45 AM EDT | Areal Flood Advisory | BOX | Bristol, Plymouth | 60 min |
| Sep 6, 11:08 AM EDT | Special Marine Warning | BOX | 37 min | |
| Sep 6, 11:10 AM EDT | Severe Thunderstorm Warning | BOX | Norfolk, Plymouth | 35 min |
| Sep 6, 11:33 AM EDT | Special Weather Statement | BOX | Dukes | 27 min |
| Sep 6, 11:44 AM EDT | Special Marine Warning | BOX | 46 min | |
| Sep 6, 11:46 AM EDT | Severe Thunderstorm Warning | BOX | Essex | 29 min |
| Sep 6, 11:50 AM EDT | Special Weather Statement | BOX | Barnstable | 25 min |
| Sep 6, 12:01 PM EDT | Special Marine Warning | BOX | 59 min | |
| Sep 6, 12:07 PM EDT | Special Weather Statement | BOX | Barnstable | 38 min |
| Sep 6, 12:35 PM EDT | Special Weather Statement | BOX | Barnstable | 25 min |
| Sep 6, 1:11 PM EDT | Special Weather Statement | BOX | Dukes | 64 min |
| Sep 6, 1:39 PM EDT | Areal Flood Warning | BOX | Barnstable | 111 min |
| Sep 6, 4:10 PM EDT | Special Marine Warning | BOX | 65 min | |
| Sep 6, 9:57 AM EDT | Special Weather Statement | BOX | Washington | 33 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2017Severe Thunderstorm Warnings in Rhode Island, 2017Every severe thunderstorm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.