Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 110, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 14, 2016, 7:49 PM EDT for Middlesex County, Worcester County, Massachusetts. It was in force for 38 min. 1 report 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
- Aug 14, 2016, 7:49 PM EDT (23:49 UTC)
- Expired
- Aug 14, 2016, 8:27 PM EDT
- In force
- 38 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Middlesex County, MA, Worcester County, MA
The radar
The Boston radar (KBOX), 46 km from the middle of the area, began a volume at 23:53 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 |
|---|---|---|---|
| Aug 14, 7:55 PM EDT | TSTM WND DMG | Worcester, MA | POWER LINES DOWN ON JOHNSON STREET |
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, 11.8 hours before the alert went out and 148 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
- 450 J/kg
- Mixed-layer CIN
- -213 J/kg
- Mixed-layer LCL
- 817 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
342
WUUS51 KBOX 142349
SVRBOX
MAC017-027-150045-
/O.NEW.KBOX.SV.W.0110.160814T2349Z-160815T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
749 PM EDT SUN AUG 14 2016
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN WORCESTER COUNTY IN CENTRAL MASSACHUSETTS...
SOUTH CENTRAL MIDDLESEX COUNTY IN NORTHEASTERN MASSACHUSETTS...
* UNTIL 845 PM EDT
* AT 748 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM SHREWSBURY TO MILLBURY TO NEAR OXFORD...MOVING EAST
AT 30 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
WORCESTER...FRAMINGHAM...MARLBOROUGH...SHREWSBURY...NATICK...
MILFORD...WESTBOROUGH...GRAFTON...SUDBURY...WEBSTER...ASHLAND...
AUBURN...BURRILLVILLE...NORTHBRIDGE...HOPKINTON...NORTHBOROUGH...
OXFORD...HOLLISTON...UXBRIDGE AND MILLBURY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH
TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 4237 7135 4218 7142 4215 7148 4213 7148
4212 7150 4209 7150 4201 7163 4201 7180
4202 7180 4203 7187 4209 7200 4218 7190
4232 7180
TIME...MOT...LOC 2348Z 272DEG 27KT 4226 7172 4217 7179 4211 7190
HAIL...<.75IN
WIND...60MPH
$$
SIPPRELL2 follow-up statements
677
WWUS51 KBOX 150016
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
816 PM EDT SUN AUG 14 2016
MAC017-027-150045-
/O.CON.KBOX.SV.W.0110.000000T0000Z-160815T0045Z/
WORCESTER MA-MIDDLESEX MA-
816 PM EDT SUN AUG 14 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR SOUTHEASTERN WORCESTER AND SOUTH CENTRAL MIDDLESEX COUNTIES...
AT 816 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM ASHLAND TO MILFORD TO NORTHBRIDGE...MOVING EAST AT 30
MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
FRAMINGHAM...MARLBOROUGH...NATICK...MILFORD...WESTBOROUGH...
SUDBURY...ASHLAND...NORTHBRIDGE...HOPKINTON...HOLLISTON...UXBRIDGE...
WAYLAND...MEDWAY...SOUTHBOROUGH...BLACKSTONE...DOUGLAS...UPTON...
HOPEDALE...MENDON AND SHERBORN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.
TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 4237 7135 4218 7142 4215 7148 4213 7148
4212 7150 4209 7150 4201 7163 4202 7178
4216 7162 4235 7153
TIME...MOT...LOC 0016Z 272DEG 27KT 4225 7146 4216 7153 4210 7164
HAIL...<.75IN
WIND...60MPH
$$
SIPPRELL050
WWUS51 KBOX 150027
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
827 PM EDT SUN AUG 14 2016
MAC017-027-150037-
/O.CAN.KBOX.SV.W.0110.000000T0000Z-160815T0045Z/
WORCESTER MA-MIDDLESEX MA-
827 PM EDT SUN AUG 14 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WORCESTER AND
SOUTH CENTRAL MIDDLESEX COUNTIES IS CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE...THE WARNING HAS BEEN CANCELLED. HOWEVER GUSTY WINDS AND
HEAVY RAIN ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.
LAT...LON 4237 7135 4218 7142 4215 7148 4213 7148
4212 7150 4209 7150 4201 7163 4202 7178
4216 7162 4235 7153
TIME...MOT...LOC 0027Z 272DEG 27KT 4225 7135 4216 7142 4210 7153
$$
SIPPRELLThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 8:22 PM EDT | Special Weather Statement | BOX | Franklin | 38 min |
| Aug 13, 8:37 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 53 min |
| Aug 13, 8:59 PM EDT | Special Weather Statement | BOX | Franklin, Hampden, Hampshire | 61 min |
| Aug 13, 9:04 PM EDT | Areal Flood Warning | BOX | Franklin, Hampshire, Middlesex, Worcester | 116 min |
| Aug 13, 9:04 PM EDT | Special Weather Statement | BOX | Middlesex | 56 min |
| Aug 13, 9:09 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 44 min |
| Aug 13, 9:29 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 46 min |
| Aug 13, 9:31 PM EDT | Areal Flood Warning | BOX | Franklin, Hampshire, Worcester | 119 min |
| Aug 13, 9:59 PM EDT | Special Weather Statement | BOX | Essex, Middlesex, Worcester | 61 min |
| Aug 13, 10:07 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Middlesex, Worcester | 38 min |
| Aug 13, 10:15 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire, Worcester | 45 min |
| Aug 13, 10:25 PM EDT | Flash Flood Warning | BOX | Worcester | 2 hr |
| Aug 13, 10:38 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 52 min |
| Aug 13, 11:04 PM EDT | Special Weather Statement | BOX | Norfolk | 41 min |
| Aug 13, 11:06 PM EDT | Special Marine Warning | BOX | 54 min | |
| Aug 13, 11:35 PM EDT | Special Weather Statement | BOX | Bristol, Norfolk, Plymouth | 55 min |
| Aug 13, 11:42 PM EDT | Special Marine Warning | BOX | 63 min | |
| Aug 14, 12:44 AM EDT | Special Marine Warning | BOX | 61 min | |
| Aug 14, 1:44 AM EDT | Special Marine Warning | BOX | 61 min | |
| Aug 14, 1:50 AM EDT | Severe Thunderstorm Warning | BOX | Worcester | 40 min |
| Aug 14, 2:04 AM EDT | Special Weather Statement | BOX | Bristol, Norfolk | 56 min |
| Aug 14, 2:10 AM EDT | Special Marine Warning | BOX | 65 min | |
| Aug 14, 2:28 AM EDT | Severe Thunderstorm Warning | BOX | Norfolk, Plymouth, Suffolk | 32 min |
| Aug 14, 3:13 AM EDT | Special Marine Warning | BOX | 62 min | |
| Aug 14, 3:28 AM EDT | Excessive Heat Warning | BOX | Bristol, Plymouth | 16 hr |
| Aug 14, 7:27 PM EDT | Special Weather Statement | BOX | Worcester | 33 min |
| Aug 14, 7:47 PM EDT | Special Weather Statement | BOX | Worcester | 28 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.