Alert archive / Massachusetts / Special Weather Statements in 2016
Special Weather Statement, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this special weather statement at Apr 1, 2016, 7:21 PM EDT for Middlesex County, Massachusetts. It was in force for 54 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
- Apr 1, 2016, 7:21 PM EDT (23:21 UTC)
- Expired
- Apr 1, 2016, 8:15 PM EDT
- In force
- 54 min
- Issued by
- NWS Boston/Norton, MA
County Middlesex County, MA
The radar
The Boston radar (KBOX), 55 km from the middle of the area, began a volume at 23:19 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, 11.4 hours before the alert went out and 156 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
- 162 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 567 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 243 m²/s²
- 0-3 km storm-relative helicity
- 247 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
386
WWUS81 KBOX 012321
SPSBOX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
721 PM EDT FRI APR 1 2016
MAZ005-012>015-020015-
SOUTHERN WORCESTER MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA-
CENTRAL MIDDLESEX COUNTY MA-WESTERN NORFOLK MA-
721 PM EDT FRI APR 1 2016
...STRONG THUNDERSTORM IN NORTHERN WINDHAM...NORTHWESTERN NORFOLK...
SOUTHEASTERN WORCESTER...SOUTHWESTERN SUFFOLK AND SOUTHEASTERN
MIDDLESEX COUNTIES...
AT 720 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER CHARLTON...OR 14 MILES SOUTHWEST OF WORCESTER...MOVING
NORTHEAST AT 50 MPH.
WIND GUSTS UP TO 50 MPH ARE POSSIBLE WITH THIS STORM. BRIEF LOCALLY
HEAVY DOWNPOURS ARE ALSO POSSIBLE.
LOCATIONS IMPACTED INCLUDE...
BOSTON...WORCESTER...CAMBRIDGE...NEWTON...FRAMINGHAM...WALTHAM...BROOKLINE...
ARLINGTON...MARLBOROUGH...WOBURN...SHREWSBURY...NATICK...WATERTOWN...
LEXINGTON...NEEDHAM...MILFORD...WELLESLEY...MILTON...DEDHAM AND BELMONT.
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 4227 7105 4202 7203 4203 7204 4215 7212
4219 7200 4219 7190 4223 7186 4225 7186
4249 7121
TIME...MOT...LOC 2320Z 246DEG 48KT 4211 7198
$$
WTBThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 3:56 PM EDT | Special Weather Statement | BOX | Franklin | 64 min |
| Apr 1, 7:23 PM EDT | Gale Watch | BOX | 9 hr | |
| Apr 1, 7:23 PM EDT | Storm Watch | BOX | 9 hr | |
| Apr 1, 7:35 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 40 min |
Nearby
Special Weather Statements in Massachusetts, 2016Every special weather statement 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.