Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 32, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 17, 2016, 2:46 PM EDT for Bristol County, Norfolk County, Plymouth 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
- Jul 17, 2016, 2:46 PM EDT (18:46 UTC)
- Expired
- Jul 17, 2016, 3:30 PM EDT
- In force
- 44 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
The radar
The Boston radar (KBOX), 6 km from the middle of the area, began a volume at 18:49 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
Chatham, MA (KCHH), launched 12:00Z, 6.8 hours before the alert went out and 104 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
- 460 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 640 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
100 WUUS51 KBOX 171846 SVRBOX MAC005-021-023-171930- /O.NEW.KBOX.SV.W.0032.160717T1846Z-160717T1930Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 246 PM EDT SUN JUL 17 2016 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN BRISTOL COUNTY IN SOUTHEASTERN MASSACHUSETTS... WEST CENTRAL PLYMOUTH COUNTY IN SOUTHEASTERN MASSACHUSETTS... SOUTHEASTERN NORFOLK COUNTY IN EASTERN MASSACHUSETTS... * UNTIL 330 PM EDT * AT 246 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MANSFIELD...OR 8 MILES NORTHWEST OF TAUNTON...MOVING EAST AT 20 MPH. HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. SOURCE...RADAR INDICATED. IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. * LOCATIONS IMPACTED INCLUDE... BROCKTON...TAUNTON...NORTH ATTLEBOROUGH...STOUGHTON... BRIDGEWATER...ATTLEBORO...MANSFIELD...EASTON...NORTON...SHARON... FOXBOROUGH...ABINGTON...WHITMAN...EAST BRIDGEWATER...RAYNHAM... WRENTHAM...HOLBROOK...PLAINVILLE...WEST BRIDGEWATER AND AVON. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && LAT...LON 4194 7124 4205 7133 4214 7098 4196 7091 TIME...MOT...LOC 1846Z 259DEG 17KT 4201 7117 HAIL...0.75IN WIND...60MPH $$ FRANK
1 follow-up statement
812
WWUS51 KBOX 171900
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
300 PM EDT SUN JUL 17 2016
MAC021-171909-
/O.CAN.KBOX.SV.W.0032.000000T0000Z-160717T1930Z/
NORFOLK MA-
300 PM EDT SUN JUL 17 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN NORFOLK COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED.
LAT...LON 4194 7124 4201 7128 4212 7097 4196 7091
TIME...MOT...LOC 1859Z 262DEG 32KT 4196 7116
$$
MAC005-023-171930-
/O.CON.KBOX.SV.W.0032.000000T0000Z-160717T1930Z/
BRISTOL MA-PLYMOUTH MA-
300 PM EDT SUN JUL 17 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR NORTH CENTRAL BRISTOL AND WEST CENTRAL PLYMOUTH COUNTIES...
AT 259 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER NORTON...OR
NEAR TAUNTON...MOVING EAST AT 35 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
BROCKTON...TAUNTON...BRIDGEWATER...ATTLEBORO...MANSFIELD...EASTON...
NORTON...ABINGTON...WHITMAN...EAST BRIDGEWATER...
RAYNHAM AND WEST BRIDGEWATER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 4194 7124 4201 7128 4212 7097 4196 7091
TIME...MOT...LOC 1859Z 262DEG 32KT 4196 7116
HAIL...0.75IN
WIND...60MPH
$$
FRANKThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 10:02 PM EDT | Special Weather Statement | BOX | Hampshire | 43 min |
| Jul 17, 3:28 AM EDT | Small Craft Advisory | BOX | 49 hr | |
| Jul 17, 1:54 PM EDT | Special Weather Statement | BOX | Norfolk | 36 min |
| Jul 17, 2:20 PM EDT | Special Weather Statement | BOX | Norfolk | 40 min |
| Jul 17, 2:33 PM EDT | Areal Flood Advisory | BOX | Bristol, Norfolk | 57 min |
| Jul 17, 3:07 PM EDT | Areal Flood Advisory | BOX | Bristol, Plymouth | 113 min |
| Jul 17, 3:07 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Plymouth | 38 min |
| Jul 17, 3:32 PM EDT | Areal Flood Advisory | BOX | Plymouth | 58 min |
| Jul 17, 3:34 PM EDT | Special Marine Warning | BOX | 56 min | |
| Jul 17, 3:43 PM EDT | Severe Thunderstorm Warning | BOX | Plymouth | 37 min |
| Jul 17, 4:15 PM EDT | Special Weather Statement | BOX | Bristol | 45 min |
| Jul 17, 5:57 PM EDT | Special Marine Warning | BOX | 63 min | |
| Jul 17, 6:17 PM EDT | Severe Thunderstorm Warning | BOX | Bristol | 43 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2016Every severe thunderstorm warning in 2016
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.