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 Jul 17, 2016, 2:20 PM EDT for Norfolk County, Massachusetts. It was in force for 40 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, 2:20 PM EDT (18:20 UTC)
- Expired
- Jul 17, 2016, 3:00 PM EDT
- In force
- 40 min
- Issued by
- NWS Boston/Norton, MA
County Norfolk County, MA
The radar
The Boston radar (KBOX), 14 km from the middle of the area, began a volume at 18:22 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, 6.3 hours before the alert went out and 113 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.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Boston/Norton, MA wrote its last area forecast discussion before this special weather statement went out at Jul 17, 11:10 AM EDT, 3 hours 10 minutes earlier.
Area forecast discussion, Jul 17, 11:10 AM EDT, 3 hours 10 minutes before
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</html>Hazardous weather outlook, Jul 17, 3:54 AM EDT, 10 hours 26 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAUNTON MA 354 AM EDT SUN JUL 17 2016 CTZ002>004-MAZ002>024-026-RIZ001>008-180800- HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA- WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA- SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-NANTUCKET MA- NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI- WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI- 354 AM EDT SUN JUL 17 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...ALL OF MASSACHUSETTS EXCEPT BERKSHIRE COUNTY...AND RHODE ISLAND. .DAY ONE...TODAY AND TONIGHT. A FEW STRONG STORMS ARE POSSIBLE THIS AFTERNOON...ESPECIALLY ACROSS RHODE ISLAND AN EASTERN MASSACHUSETTS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. HEAT INDICIES WILL REACH INTO THE LOW TO MID 90S ON MONDAY. THERE IS A LOW PROBABILITY FOR A FEW STRONG STORMS LATE MONDAY INTO MONDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ230>237-250-251-254>256-180800- BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND- BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-BLOCK ISLAND SOUND- COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY- COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA OUT 20 NM- COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD AND NANTUCKET- COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT TO 20 NM SOUTH OF BLOCK ISLAND- 354 AM EDT SUN JUL 17 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT WWW.WEATHER.GOV/BOSTON YOU CAN FOLLOW US ON FACEBOOK AT WWW.FACEBOOK.COM/NWSBOSTON YOU CAN FOLLOW US ON TWITTER AT @NWSBOSTON
In the hours before
Special weather statement, Jul 17, 1:02 PM EDT, 1 hour 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 102 PM EDT SUN JUL 17 2016 CTZ002>004-MAZ004>007-011>022-026-RIZ001>007-172030- HARTFORD CT-TOLLAND CT-WINDHAM CT-NORTHERN WORCESTER MA- CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA- EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA- SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA- NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA- SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA- NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI- BRISTOL RI-WASHINGTON RI-NEWPORT RI- INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION... VERNON...PUTNAM...WILLIMANTIC...BARRE...FITCHBURG...FRAMINGHAM... LOWELL...LAWRENCE...GLOUCESTER...SPRINGFIELD...MILFORD... WORCESTER...FOXBOROUGH...NORWOOD...CAMBRIDGE...BOSTON...QUINCY... TAUNTON...BROCKTON...PLYMOUTH...FALL RIVER...NEW BEDFORD... MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...AYER... FOSTER...SMITHFIELD...PROVIDENCE...COVENTRY...WEST GREENWICH... EAST GREENWICH...WARWICK...WEST WARWICK...BRISTOL... NARRAGANSETT...WESTERLY...NEWPORT 102 PM EDT SUN JUL 17 2016 ...A FEW STRONG TO SEVERE THUNDERSTORMS POSSIBLE BETWEEN 2 AND 8 PM THIS EVENING ALONG WITH LOCALIZED HEAVY RAIN AND DANGEROUS CLOUD TO GROUND LIGHTNING... A FEW STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE BETWEEN 2 AND 8 PM THIS EVENING WITH THE HIGHEST RISK FOR THIS BEING ACROSS EASTERN MASSACHUSETTS AND RHODE ISLAND. THE MAIN THREAT WILL BE ISOLATED STRONG TO DAMAGING WIND GUSTS WITH A SECONDARY CONCERN OF HAIL. IN ADDITION...DANGEROUS CLOUD TO GROUND LIGHTNING AND LOCALLY HEAVY RAINFALL IS POSSIBLE WITH THIS ACTIVITY. THOSE WHO HAVE OUTDOOR PLANS INTO THIS EVENING SHOULD KEEP AN EYE TO THE SKY AND IF YOU HEAR THUNDER...SEEK AN INDOOR SHELTER. REMEMBER...IF YOU HEAR THUNDER YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. FRANK
Special weather statement, Jul 17, 1:54 PM EDT, 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
154 PM EDT SUN JUL 17 2016
MAZ013-017-RIZ001-171830-
NORTHERN BRISTOL MA-WESTERN NORFOLK MA-NORTHWEST PROVIDENCE RI-
154 PM EDT SUN JUL 17 2016
...STRONG SHOWER MAY DEVELOP INTO A THUNDERSTORM ACROSS NORTHWESTERN
BRISTOL...SOUTHWESTERN NORFOLK...SOUTHEASTERN WORCESTER AND
NORTHEASTERN PROVIDENCE COUNTIES...
AT 152 PM EDT...DOPPLER RADAR WAS TRACKING A HEAVY SHOWER WHICH MAY
DEVELOP INTO A STRONG THUNDERSTORM OVER WOONSOCKET...MOVING EAST AT
25 MPH.
PEA SIZE HAIL AND WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THIS
STORM.
LOCATIONS IMPACTED INCLUDE...
WOONSOCKET...CUMBERLAND...FRANKLIN...NORTH ATTLEBOROUGH...
ATTLEBORO...WALPOLE...MANSFIELD...LINCOLN...NORTON...SHARON...
FOXBOROUGH...BELLINGHAM...NORTH SMITHFIELD...NORFOLK...WRENTHAM...
BLACKSTONE AND PLAINVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
&&
LAT...LON 4198 7118 4194 7153 4201 7158 4202 7150
4206 7150 4216 7125
TIME...MOT...LOC 1752Z 252DEG 23KT 4200 7145
FRANKSpecial weather statement, Jul 17, 2:20 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
220 PM EDT SUN JUL 17 2016
MAZ013-017-171900-
NORTHERN BRISTOL MA-WESTERN NORFOLK MA-
220 PM EDT SUN JUL 17 2016
...STRONG THUNDERSTORM IN NORTHWESTERN BRISTOL...NORTHWESTERN
PLYMOUTH AND SOUTHWESTERN NORFOLK COUNTIES...
AT 220 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
PLAINVILLE...OR NEAR NORTH ATTLEBOROUGH...MOVING NORTHEAST AT 20 MPH.
PEA SIZE HAIL AND WIND GUSTS UP TO 45 MPH ARE POSSIBLE WITH THIS
STORM.
LOCATIONS IMPACTED INCLUDE...
BROCKTON...FRANKLIN...NORTH ATTLEBOROUGH...NORWOOD...STOUGHTON...
ATTLEBORO...WALPOLE...MANSFIELD...EASTON...CANTON...NORTON...SHARON..
.
FOXBOROUGH...NORFOLK...WRENTHAM...PLAINVILLE AND WEST BRIDGEWATER.
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 4221 7113 4210 7106 4210 7108 4203 7106
4201 7106 4196 7135 4200 7138 4202 7138
4202 7140 4207 7144
TIME...MOT...LOC 1820Z 239DEG 15KT 4202 7135
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, 2:33 PM EDT | Areal Flood Advisory | BOX | Bristol, Norfolk | 57 min |
| Jul 17, 2:46 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk, Plymouth | 44 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 |
| Jul 17, 3:31 PM EDT | Special Weather Statement | BOX | Bristol, Kent | 44 min |
| Jul 17, 5:47 PM EDT | Special Weather Statement | BOX | Kent | 28 min |
| Jul 17, 6:10 PM EDT | Special Weather Statement | BOX | Bristol | 35 min |
| Jul 17, 5:05 PM EDT | Special Weather Statement | BOX | 25 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.