Alert archive / Massachusetts / Special Weather Statements in 2016

Special Weather Statement, NWS Boston/Norton, MA

August 16, 2016Hampden County, Hampshire County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Aug 16, 2016, 9:24 PM EDT for Hampden County, Hampshire County, Massachusetts. It was in force for 51 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
Aug 16, 2016, 9:24 PM EDT (01:24 UTC)
Expired
Aug 16, 2016, 10:15 PM EDT
In force
51 min
Issued by
NWS Boston/Norton, MA

Counties Hampden County, MA, Hampshire County, MA

The radar

The Albany radar (KENX), 112 km from the middle of the area, began a volume at 01:23 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

Albany, NY (KALY), launched 00:00Z, 1.4 hours before the alert went out and 103 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.

Skew-T log-pSkew-T log-p diagram, Albany, NY at 00:00Z on 2016-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1227 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 00:00Z on 2016-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 241 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1227 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
988 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
241 m²/s²
0-3 km storm-relative helicity
401 m²/s²
Significant tornado parameter
1.7
Supercell composite
23.6

Open this sounding in Storm Lab

The text

As transmitted.

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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 Aug 16, 8:46 PM EDT, 38 minutes earlier.

Area forecast discussion, Aug 16, 8:46 PM EDT, 38 minutes before
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Hazardous weather outlook, Aug 16, 4:33 PM EDT, 4 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
433 PM EDT TUE AUG 16 2016

MAZ007-013-015>024-RIZ002>008-172045-
EASTERN ESSEX MA-WESTERN NORFOLK 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-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
433 PM EDT TUE AUG 16 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN AND SOUTHEASTERN
MASSACHUSETTS...AND MOST OF RHODE ISLAND.

.DAY ONE...TONIGHT.

THUNDERSTORMS ARE POSSIBLE INTO EVENING HOURS. SOME OF THESE
STORMS MAY BE STRONG TO SEVERE WITH THE THREATS OF GUSTY TO
DAMAGING WINDS...FREQUENT LIGHTNING...AND HEAVY RAIN. THERE IS THE
RISK OF LOCALIZED URBAN AND POOR-DRAINAGE FLOODING WITH HEAVY
RAIN.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ANZ230>237-250-251-254>256-172045-
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-
433 PM EDT TUE AUG 16 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS AND RHODE
ISLAND COASTAL WATERS.

.DAY ONE...TONIGHT.

THUNDERSTORMS WITH GALE FORCE WIND GUSTS ARE POSSIBLE ACROSS
COASTAL WATERS...ESPECIALLY THE EASTERN WATERS THIS EVENING AND
OVERNIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

CTZ002>004-MAZ002>006-008>012-014-026-RIZ001-172045-
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-
SOUTHEAST MIDDLESEX MA-NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI-
433 PM EDT TUE AUG 16 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...
WESTERN...CENTRAL...AND NORTHEASTERN MASSACHUSETTS...AND
NORTHWESTERN RHODE ISLAND.

.DAY ONE...TONIGHT.

THUNDERSTORMS ARE EXPECTED INTO THIS EVENING AND OVERNIGHT. SOME
OF THESE STORMS WILL BE STRONG TO SEVERE WITH THE THREATS OF GUSTY
TO DAMAGING WINDS...FREQUENT LIGHTNING...AND HEAVY RAIN. THERE IS
THE RISK OF LOCALIZED URBAN AND POOR-DRAINAGE FLOODING AND THE
POSSIBILITY OF A TORNADO. ISOLATED FLASH FLOODING CANNOT BE RULED
OUT AS WELL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

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, Aug 16, 4:20 PM EDT, 5 hours 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
420 PM EDT TUE AUG 16 2016

MAZ004-010-162100-
NORTHERN WORCESTER MA-EASTERN HAMPSHIRE MA-
420 PM EDT TUE AUG 16 2016

...THUNDERSTORM WILL PRODUCE GUSTY WINDS AND HEAVY DOWNPOURS IN
SOUTHEASTERN HAMPSHIRE AND FAR WESTERN WORCESTER COUNTY THROUGH 5
PM...

AT 417 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
BELCHERTOWN...OR 10 MILES NORTHEAST OF CHICOPEE...MOVING NORTHEAST AT
20 MPH.

WINDS IN EXCESS OF 40 MPH AND HEAVY DOWNPOURS WILL ACCOMPANY THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
LUDLOW...BELCHERTOWN...PALMER...WARE...WARREN...NORTH BROOKFIELD...
WEST BROOKFIELD...HARDWICK AND NEW BRAINTREE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET INDOORS WHEN THIS STORM APPROACHES. WINDS MAY BE STRONG ENOUGH TO
PRODUCE MINOR DAMAGE...SUCH AS A FEW DOWNED BRANCHES.

DO NOT DRIVE THROUGH FLOODED ROADS OR UNDERPASSES. AVOID LOW LYING
AREAS NEAR SMALL STREAMS.

&&

LAT...LON 4232 7233 4241 7221 4226 7207 4223 7224
      4224 7223 4224 7224 4223 7226 4223 7229
      4222 7234 4221 7235 4220 7240 4223 7241
      4223 7242 4225 7244
TIME...MOT...LOC 2017Z 241DEG 18KT 4224 7238

THOMPSON
Special weather statement, Aug 16, 4:21 PM EDT, 5 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
421 PM EDT TUE AUG 16 2016

CTZ004-MAZ012-RIZ001-162100-
WINDHAM CT-SOUTHERN WORCESTER MA-NORTHWEST PROVIDENCE RI-
421 PM EDT TUE AUG 16 2016

...STRONG THUNDERSTORM IN NORTHEASTERN WINDHAM...SOUTHWESTERN
NORFOLK...SOUTHEASTERN WORCESTER AND NORTHWESTERN PROVIDENCE
COUNTIES...

AT 421 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER THOMPSON...OR 16 MILES WEST OF WOONSOCKET...MOVING NORTHEAST AT
10 MPH.

WIND GUSTS UP TO 50 MPH WILL ACCOMPANY THIS STORM.

LOCATIONS IMPACTED INCLUDE...
SHREWSBURY...GRAFTON...KILLINGLY...WEBSTER...BELLINGHAM...
BURRILLVILLE...NORTHBRIDGE...OXFORD...UXBRIDGE...MILLBURY...
NORTH SMITHFIELD...DUDLEY...GLOCESTER...PUTNAM...THOMPSON...
BLACKSTONE...SUTTON...DOUGLAS...UPTON AND HOPEDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET INDOORS WHEN THIS STORM APPROACHES. WINDS MAY BE STRONG ENOUGH TO
PRODUCE MINOR DAMAGE...SUCH AS A FEW DOWNED BRANCHES.

DO NOT DRIVE THROUGH FLOODED ROADS OR UNDERPASSES. AVOID LOW LYING
AREAS NEAR SMALL STREAMS.

THESE STORMS MAY INTENSITY AND BECOME CAPABLE OF PRODUCING DAMAGE.
STAY TUNED FOR UPDATED STATEMENTS AND POSSIBLE WARNINGS.

&&

LAT...LON 4207 7149 4204 7150 4189 7181 4203 7198
      4226 7169
TIME...MOT...LOC 2021Z 231DEG 11KT 4201 7183

RLG
Special weather statement, Aug 16, 4:52 PM EDT, 4 hours 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
452 PM EDT TUE AUG 16 2016

MAZ005-012>016-RIZ001-162130-
SOUTHERN WORCESTER MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA-
EASTERN NORFOLK MA-CENTRAL MIDDLESEX COUNTY MA-WESTERN NORFOLK MA-
NORTHWEST PROVIDENCE RI-
452 PM EDT TUE AUG 16 2016

...STRONG THUNDERSTORM IN NORFOLK...SOUTHEASTERN WORCESTER...
SOUTHWESTERN SUFFOLK...SOUTHEASTERN MIDDLESEX AND NORTH CENTRAL
PROVIDENCE COUNTIES...

AT 451 PM EDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM NORTHBRIDGE TO HOPEDALE TO BELLINGHAM. MOVEMENT
WAS NORTHEAST AT 25 MPH.

WIND GUSTS UP TO 50 MPH WILL ACCOMPANY WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
BOSTON...QUINCY...NEWTON...FRAMINGHAM...WALTHAM...BROOKLINE...
WOONSOCKET...MARLBOROUGH...BRAINTREE...CUMBERLAND...NATICK...
RANDOLPH...WATERTOWN...FRANKLIN...NEEDHAM...NORWOOD...MILFORD...
WELLESLEY...MILTON AND STOUGHTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE THROUGH FLOODED ROADS OR UNDERPASSES. AVOID LOW LYING
AREAS NEAR SMALL STREAMS.

THESE STORMS MAY INTENSITY AND BECOME CAPABLE OF PRODUCING DAMAGE.
STAY TUNED FOR UPDATED STATEMENTS AND POSSIBLE WARNINGS.

&&

LAT...LON 4235 7148 4237 7119 4221 7098 4196 7149
      4207 7163 4205 7182
TIME...MOT...LOC 2051Z 226DEG 20KT 4211 7166 4212 7157 4206 7149

RLG
Special weather statement, Aug 16, 5:01 PM EDT, 4 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
501 PM EDT TUE AUG 16 2016

MAZ004-005-162200-
NORTHERN WORCESTER MA-CENTRAL MIDDLESEX COUNTY MA-
501 PM EDT TUE AUG 16 2016

...THUNDERSTORM CAPABLE OF PRODUCING STRONG WINDS AND HEAVY RAIN
WILL MOVE INTO EASTERN WORCESTER COUNTY AND WEST CENTRAL MIDDLESEX
COUNTY...

AT 459 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER HOLDEN...OR JUST NORTH OF WORCESTER...MOVING NORTHEAST AT 20
MPH.

WINDS IN EXCESS OF 40 MPH AND VERY HEAVY DOWNPOURS MAY ACCOMPANY
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
MARLBOROUGH...SHREWSBURY...HUDSON...SUDBURY...HOLDEN...
NORTHBOROUGH...CLINTON...MAYNARD...LANCASTER...STERLING...
WEST BOYLSTON...STOW...HARVARD...BOXBOROUGH...BOLTON...PAXTON...
BOYLSTON AND BERLIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET INDOORS WHEN THIS STORM APPROACHES. WINDS MAY BE STRONG ENOUGH TO
PRODUCE MINOR DAMAGE...SUCH AS A FEW DOWNED BRANCHES.

DO NOT DRIVE THROUGH FLOODED ROADS OR UNDERPASSES. AVOID LOW LYING
AREAS NEAR SMALL STREAMS.

&&

LAT...LON 4254 7161 4255 7158 4236 7143 4233 7161
      4236 7164 4236 7167 4232 7169 4233 7170
      4231 7176 4234 7179 4230 7186 4229 7190
      4234 7194 4253 7166 4252 7164 4256 7162
TIME...MOT...LOC 2059Z 241DEG 18KT 4233 7189

THOMPSON
Local storm report, Aug 16, 5:39 PM EDT, 3 hours 45 minutes before
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Special weather statement, Aug 16, 9:24 PM EDT, 0 minutes before
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The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 17, 9:01 AM EDTSmall Craft AdvisoryBOX5 hr
Aug 17, 2:40 PM EDTSmall Craft AdvisoryBOX3 hr

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.