Alert archive / Massachusetts / Special Weather Statements in 2016

Special Weather Statement, NWS Boston/Norton, MA

July 14, 2016Plymouth County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Jul 14, 2016, 2:22 PM EDT for Plymouth County, Massachusetts. It was in force for 53 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 14, 2016, 2:22 PM EDT (18:22 UTC)
Expired
Jul 14, 2016, 3:15 PM EDT
In force
53 min
Issued by
NWS Boston/Norton, MA

County Plymouth County, MA

The radar

The Boston radar (KBOX), 32 km from the middle of the area, began a volume at 18:21 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

Gray, ME (KGYX), launched 12:00Z, 6.4 hours before the alert went out and 214 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, Gray, ME at 12:00Z on 2016-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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, Gray, ME at 12:00Z on 2016-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.193958Sfc1 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
2 J/kg
Mixed-layer CIN
-238 J/kg
Mixed-layer LCL
1045 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jul 14, 2:21 PM EDT, 1 minute earlier.

Area forecast discussion, Jul 14, 2:21 PM EDT, 1 minute before
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Hazardous weather outlook, Jul 14, 1:52 PM EDT, 30 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
152 PM EDT THU JUL 14 2016

MAZ006-007-013>024-RIZ001>008-151800-
WESTERN ESSEX MA-EASTERN ESSEX 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-NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-
WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-NEWPORT RI-
BLOCK ISLAND RI-
152 PM EDT THU JUL 14 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

EXCESSIVE HEAT IS POSSIBLE FRIDAY AS TEMPERATURES SOAR TO 90 TO 95
DEGREES COMBINED WITH HIGH HUMIDITY.

.SPOTTER INFORMATION STATEMENT...

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

ANZ230>237-250-251-254>256-151800-
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-
152 PM EDT THU JUL 14 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

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>005-008>012-026-151800-
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-
152 PM EDT THU JUL 14 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...CENTRAL
MASSACHUSETTS...EASTERN MASSACHUSETTS AND
WESTERN MASSACHUSETTS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THERE IS A POTENTIAL FOR A FEW STRONG TO SEVERE THUNDERSTORMS
THIS AFTERNOON AND EVENING. STRONG WINDS ARE THE MAIN THREAT WITH
ANY THUNDERSTORM.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

EXCESSIVE HEAT IS POSSIBLE FRIDAY AS TEMPERATURES SOAR TO 90 TO 95
DEGREES COMBINED WITH HIGH HUMIDITY.

.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, Jul 14, 10:14 AM EDT, 4 hours 8 minutes before
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Special weather statement, Jul 14, 11:40 AM EDT, 2 hours 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
1140 AM EDT THU JUL 14 2016

MAZ013-017>021-RIZ001>007-141700-
SOUTHERN PLYMOUTH MA-NORTHERN BRISTOL MA-SOUTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-WESTERN NORFOLK MA-
SOUTHEAST PROVIDENCE RI-BRISTOL RI-WASHINGTON RI-EASTERN KENT RI-
WESTERN KENT RI-NEWPORT RI-NORTHWEST PROVIDENCE RI-
1140 AM EDT THU JUL 14 2016

...TORRENTIAL DOWNPOURS WILL AFFECT PORTIONS OF RHODE ISLAND
AND SOUTHEAST MASSACHUSETTS THROUGH 1 PM...

AT 1134 AM EDT...DOPPLER RADAR WAS TRACKING AN EXPANDING AREA OF
SHOWERS AND POSSIBLE EMBEDDED THUNDERSTORMS OVER RICHMOND RHODE
ISLAND...MOVING NORTHEAST AT 40 MPH.

MINOR STREET FLOODING FROM TORRENTIAL RAINFALL WILL OCCUR ON ROADS
AND UNDERPASSES THAT ARE TYPICALLY PRONE TO FLOODING. THIS COULD
AFFECT PORTIONS OF INTERSTATE 95 AND 195 IN RHODE ISLAND AND
SOUTHEAST MASSACHUSETTS.

LOCATIONS IMPACTED INCLUDE...
PROVIDENCE...NEW BEDFORD...BROCKTON...FALL RIVER...WARWICK...
CRANSTON...TAUNTON...CUMBERLAND...AND NORTH ATTLEBOROUGH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4145 7180 4222 7124 4182 7054 4155 7121
      4163 7122 4150 7133 4171 7116 4172 7126
      4158 7133 4171 7129 4179 7137 4179 7138
      4160 7140 4160 7137 4158 7145 4157 7136
      4149 7136 4137 7167
TIME...MOT...LOC 1534Z 217DEG 36KT 4147 7167

THOMPSON
Special weather statement, Jul 14, 1:05 PM EDT, 1 hour 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
105 PM EDT THU JUL 14 2016

MAZ013-017>021-RIZ001-002-004-005-007-141800-
SOUTHERN PLYMOUTH MA-NORTHERN BRISTOL MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-WESTERN NORFOLK MA-WESTERN PLYMOUTH MA-
SOUTHEAST PROVIDENCE RI-BRISTOL RI-NEWPORT RI-EASTERN KENT RI-
NORTHWEST PROVIDENCE RI-
105 PM EDT THU JUL 14 2016

...TORRENTIAL DOWNPOURS WILL AFFECT PORTIONS OF EASTERN RHODE ISLAND
AND EASTERN MASSACHUSETTS THROUGH 2 PM...

AT 1258 PM EDT...DOPPLER RADAR WAS TRACKING SHOWERS WITH HEAVY
DOWNPOURS ACROSS EASTERN RHODE ISLAND...MOVING NORTHEAST AT 35 MPH.
A FEW OF THESE SHOWERS MAY DEVELOP INTO THUNDERSTORMS.

LOCAL STREET FLOODING FROM TORRENTIAL DOWNPOURS WILL OCCUR ON ROADS
AND UNDERPASSES THAT ARE TYPICALLY PRONE TO FLOODING. INTERSTATE 95
BETWEEN PROVIDENCE AND NORWOOD WILL BE ONE OF THE HIGHWAYS AFFECTED
BY THE HEAVY DOWNPOURS. THESE SHOWERS ARE CAPABLE OF PRODUCING AT
LEAST AN INCH OF RAIN WITHIN AN HOUR.

LOCATIONS IMPACTED INCLUDE...
PROVIDENCE...NEW BEDFORD...BROCKTON...FALL RIVER...WARWICK...
CRANSTON...PAWTUCKET...PLYMOUTH...TAUNTON...FRANKLIN...
NEEDHAM...AND NORTH ATTLEBOROUGH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4172 7116 4172 7126 4167 7124 4164 7129
      4168 7128 4168 7129 4160 7131 4163 7133
      4171 7129 4179 7137 4165 7136 4176 7156
      4231 7132 4187 7055 4160 7121 4163 7122
      4157 7127
TIME...MOT...LOC 1658Z 215DEG 29KT 4180 7143

THOMPSON
Special weather statement, Jul 14, 2:22 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
222 PM EDT THU JUL 14 2016

MAZ016-018-019-021-141915-
SOUTHERN PLYMOUTH MA-EASTERN NORFOLK MA-EASTERN PLYMOUTH MA-
WESTERN PLYMOUTH MA-
222 PM EDT THU JUL 14 2016

...BRIEF BUT TORRENTIAL DOWNPOURS WILL AFFECT SOUTHEAST
MASSACHUSETTS THROUGH 315 PM...

AT 216 PM EDT...DOPPLER RADAR WAS TRACKING AN AREA OF SHOWERS WITH
HEAVY DOWNPOURS ACROSS BRISTOL AND WESTERN NORFOLK
COUNTIES...MOVING NORTHEAST AT 35 MPH.

LOCAL STREET FLOODING FROM THE HEAVY DOWNPOURS WILL OCCUR ON A FEW
ROADS AND UNDERPASSES IN SOUTHEAST MASSACHUSETTS THAT ARE TYPICALLY
PRONE TO FLOODING.

LOCATIONS IMPACTED INCLUDE...
BROCKTON...PLYMOUTH...WEYMOUTH...BRAINTREE...BRIDGEWATER...
MARSHFIELD...MIDDLEBOROUGH...HINGHAM...WAREHAM...SCITUATE...
PEMBROKE...ROCKLAND AND WHITMAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4170 7079 4186 7098 4193 7100 4197 7105
      4228 7095 4224 7096 4227 7093 4213 7068
      4209 7064 4205 7066 4202 7062 4204 7065
      4204 7066 4202 7068 4201 7060 4200 7071
      4195 7065 4192 7054 4184 7053
TIME...MOT...LOC 1816Z 214DEG 33KT 4196 7089

THOMPSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 3:23 AM EDTSmall Craft AdvisoryBOX24 hr
Jul 14, 11:40 AM EDTSpecial Weather StatementBOXBristol, Norfolk80 min
Jul 14, 1:05 PM EDTSpecial Weather StatementBOXBristol, Norfolk55 min
Jul 14, 5:38 PM EDTSpecial Weather StatementBOXHampden37 min
Jul 14, 6:00 PM EDTSpecial Weather StatementBOXFranklin30 min
Jul 14, 6:34 PM EDTSpecial Weather StatementBOXHampden26 min
Jul 14, 6:55 PM EDTSpecial Weather StatementBOXWorcester35 min
Jul 14, 7:09 PM EDTSpecial Weather StatementBOXWorcester36 min
Jul 14, 7:40 PM EDTSpecial Weather StatementBOXMiddlesex50 min
Jul 14, 7:45 PM EDTSpecial Weather StatementBOXWorcester30 min
Jul 14, 6:08 PM EDTSpecial Weather StatementBOX37 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.