Alert archive / Connecticut / Special Weather Statements in 2014

Special Weather Statement, NWS Boston/Norton, MA

July 7, 2014

NWS Boston/Norton, MA issued this special weather statement at Jul 7, 2014, 11:46 PM EDT. It was in force for 59 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 7, 2014, 11:46 PM EDT (03:46 UTC)
Expired: Jul 8, 2014, 12:45 AM EDT
In force: 59 min
Issued by: NWS Boston/Norton, MA

The radar

The Brookhaven radar (KOKX), 99 km from the middle of the area, began a volume at 03:48 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

Brookhaven, NY (KOKX), launched 00:00Z, 3.8 hours before the alert went out and 99 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 303 J/kg
Mixed-layer CIN: -162 J/kg
Mixed-layer LCL: 1475 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 184 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 7, 10:03 PM EDT, 1 hour 43 minutes earlier.

Area forecast discussion, Jul 7, 10:03 PM EDT, 1 hour 43 minutes before

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Hazardous weather outlook, Jul 7, 4:36 PM EDT, 7 hours 10 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
436 PM EDT MON JUL 7 2014

CTZ002>004-MAZ002>024-026-NHZ011-012-015-RIZ001>008-082045-
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-CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-
WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
436 PM EDT MON JUL 7 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN
CONNECTICUT...CENTRAL MASSACHUSETTS...EASTERN
MASSACHUSETTS...NORTHEASTERN MASSACHUSETTS...SOUTHEASTERN
MASSACHUSETTS...WESTERN MASSACHUSETTS...SOUTHERN NEW
HAMPSHIRE...NORTHERN RHODE ISLAND AND SOUTHERN RHODE ISLAND.

.DAY ONE...TONIGHT.

SCATTERED STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED THIS EVENING
ACROSS INTERIOR SOUTHERN NEW ENGLAND. STRONG TO DAMAGING STRAIGHT
LINE WIND GUSTS ARE THE PRIMARY CONCERN...BUT CAN NOT RULE OUT AN
ISOLATED REPORT OR TWO OF LARGE HAIL. HEAVY RAIN AND A VERY
LOCALIZED FLOOD THREAT IS ALSO POSSIBLE.

THERE ALSO IS A LOW PROBABILITY THAT A FEW STRONG THUNDERSTORMS
WITH GUSTY WINDS SURVIVE INTO EASTERN MASSACHUSETTS AND RHODE
ISLAND.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

A FEW STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE LATE TUESDAY
AFTERNOON AND EVENING AND AGAIN WEDNESDAY AFTERNOON AND EVENING.
AREAL COVERAGE OF THE ACTIVITY BOTH DAYS REMAINS UNCERTAIN...BUT
THE PRIMARY THREAT WITH ANY STORM WILL BE STRONG TO DAMAGING
STRAIGHT LINE WIND GUSTS WHILE HAIL WILL BE A SECONDARY CONCERN.
HEAVY RAIN AND VERY LOCALIZED FLOODING IS ALSO A POSSIBILITY.

.SPOTTER INFORMATION STATEMENT...

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

ANZ230>237-250-251-254>256-082045-
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-
436 PM EDT MON JUL 7 2014

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

.DAY ONE...TONIGHT.

A FEW STRONG THUNDERSTORMS ARE POSSIBLE THIS EVENING ACROSS THE
WATERS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

A FEW STRONG THUNDERSTORMS ARE POSSIBLE ON THE WATERS LATE TUESDAY
AFTERNOON AND EVENING...THEN AGAIN WEDNESDAY AFTERNOON AND
EVENING.

.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/US.NATIONALWEATHERSERVICE.BOSTON.GOV

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON

In the hours before

Special weather statement, Jul 7, 6:52 PM EDT, 4 hours 54 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
652 PM EDT MON JUL 7 2014

MAZ002>004-008-010-NHZ011-080015-
WESTERN FRANKLIN-EASTERN FRANKLIN-NORTHERN WORCESTER-EASTERN
HAMPSHIRE-WESTERN HAMPSHIRE-CHESHIRE-
652 PM EDT MON JUL 7 2014

..STRONG TO SEVERE THUNDERSTORMS IN EASTERN NEW YORK STATE MAY
AFFECT SOUTHWEST NH AND WESTERN MA BETWEEN 730 AND 830 PM IF THEY
ARE ABLE TO HOLD TOGETHER...

AT 646 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A LINE OF STRONG TO SEVERE THUNDERSTORMS ACROSS EASTERN NEW YORK
STATE.  IF THIS ACTIVITY CAN HOLD TOGETHER...STRONG TO SEVERE
THUNDERSTORMS MAY AFFECT PORTIONS OF WESTERN MA AND SOUTHWEST NEW
HAMPSHIRE BETWEEN 730 AND 830 PM.  THE PRIMARY CONCERN IS FOR 50 TO
60 MPH DAMAGING STRAIGHT LINE WIND GUSTS WITH THE STRONGEST STORMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET INDOORS IF STORMS APPROACH. WINDS MAY BE STRONG ENOUGH TO
PRODUCE DAMAGE...SUCH AS DOWNED BRANCHES. MINOR URBAN AND POOR
DRAINAGE FLOODING IS ALSO POSSIBLE.

&&

LAT...LON 4263 7295 4274 7302 4273 7246 4288 7256
      4300 7245 4316 7245 4318 7216 4223 7186
      4215 7211 4218 7226 4224 7223 4219 7237
      4223 7241 4221 7260 4229 7260 4218 7269
      4224 7282 4222 7287 4234 7290 4233 7306
TIME...MOT...LOC 2246Z 269DEG 44KT 4262 7339

FRANK

Local storm report, Jul 7, 7:23 PM EDT, 4 hours 23 minutes before

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Local storm report, Jul 7, 8:49 PM EDT, 2 hours 57 minutes before

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Special weather statement, Jul 7, 9:24 PM EDT, 2 hours 22 minutes before

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Local storm report, Jul 7, 9:32 PM EDT, 2 hours 14 minutes before

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Special weather statement, Jul 7, 11:46 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.

Issued	Product	Office	Counties	Lasted
Jul 7, 8:00 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire, Worcester	45 min
Jul 7, 8:43 PM EDT	Severe Thunderstorm Warning	BOX	Hampshire, Middlesex, Worcester	47 min
Jul 7, 9:24 PM EDT	Special Weather Statement	BOX	Middlesex	51 min
Jul 8, 1:12 AM EDT	Special Marine Warning	BOX		63 min
Jul 8, 7:10 PM EDT	Small Craft Advisory	BOX		28 hr

Nearby

Special Weather Statements in Connecticut, 2014 Every special weather statement in 2014

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.