Alert archive / Massachusetts / Special Weather Statements in 2015
Special Weather Statement, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this special weather statement at Jan 18, 2015, 8:21 PM EST for 6 counties in Massachusetts; Bristol County, Providence County, Rhode Island. It was in force for 84 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
- Jan 18, 2015, 8:21 PM EST (01:21 UTC)
- Expired
- Jan 18, 2015, 9:45 PM EST
- In force
- 84 min
- Issued by
- NWS Boston/Norton, MA
Counties Bristol County, MA, Essex County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Bristol County, RI, Providence County, RI
The radar
The Boston radar (KBOX), 17 km from the middle of the area, began a volume at 01:20 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 00:00Z, 1.4 hours before the alert went out and 110 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 860 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 270 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
811
WWUS81 KBOX 190121
SPSBOX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
821 PM EST SUN JAN 18 2015
MAZ004>007-012>021-026-RIZ001>007-190245-
SOUTHERN WORCESTER-EASTERN NORFOLK-EASTERN ESSEX-NORTHWEST MIDDLESEX
COUNTY-WESTERN NORFOLK-NORTHERN WORCESTER-WESTERN ESSEX-WESTERN
PLYMOUTH-SOUTHEAST MIDDLESEX-EASTERN PLYMOUTH-SOUTHERN
BRISTOL-SOUTHERN PLYMOUTH-NORTHERN BRISTOL-CENTRAL MIDDLESEX
COUNTY-SUFFOLK-WESTERN KENT-EASTERN KENT-NEWPORT-SOUTHEAST
PROVIDENCE-WASHINGTON-BRISTOL-NORTHWEST PROVIDENCE-
821 PM EST SUN JAN 18 2015
...STRONG THUNDERSTORM IN BRISTOL...ESSEX...PLYMOUTH...NORFOLK...
EASTERN WORCESTER...SUFFOLK...MIDDLESEX...BRISTOL...NEWPORT...EASTERN
KENT...NORTHEASTERN WASHINGTON AND PROVIDENCE COUNTIES...
AT 820 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR
ROYALSTON TO 22 MILES EAST OF BLOCK ISLAND...AND WAS MOVING NORTH AT
65 MPH.
WIND GUSTS UP TO 40 MPH CAN BE EXPECTED WITH THESE STORMS.
THOSE PEOPLE OUTDOORS IN FOXBOROUGH ARE IN THE PATH OF THESE STORMS
AND SHOULD PREPARE FOR STRONG WINDS AND TORRENTIAL RAINFALL BETWEEN
845 PM TO 930 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL WAS OCCURRING WITH THESE STORMS. MINOR URBAN AND
POOR DRAINAGE FLOODING CAN BE EXPECTED. DO NOT DRIVE THROUGH FLOODED
ROADS.
&&
LAT...LON 4287 7082 4270 7083 4264 7059 4230 7105
4225 7088 4234 7088 4193 7055 4158 7082
4146 7119 4161 7123 4145 7135 4171 7116
4158 7133 4179 7137 4145 7140 4146 7144
4272 7217 4272 7195 4270 7129
TIME...MOT...LOC 0116Z 188DEG 56KT 4267 7213 4111 7116
$$
BELKThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 18, 7:48 PM EST | Special Marine Warning | BOX | 57 min | |
| Jan 18, 8:06 PM EST | Special Marine Warning | BOX | 84 min | |
| Jan 18, 8:23 PM EST | Special Weather Statement | BOX | Bristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk | 82 min |
| Jan 18, 8:24 PM EST | Special Weather Statement | BOX | Bristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk | 81 min |
| Jan 18, 8:51 PM EST | Special Marine Warning | BOX | 114 min | |
| Jan 18, 9:03 PM EST | Special Weather Statement | BOX | Barnstable, Dukes | 87 min |
| Jan 18, 9:11 PM EST | Areal Flood Advisory | BOX | Barnstable, Bristol, Plymouth | 2 hr |
| Jan 18, 9:12 PM EST | Areal Flood Advisory | BOX | Middlesex, Worcester | 2 hr |
| Jan 18, 10:46 PM EST | Special Marine Warning | BOX | 59 min |
Nearby
Special Weather Statements in Massachusetts, 2015Special Weather Statements in Rhode Island, 2015Every special weather statement in 2015
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.