Alert archive / Massachusetts / Special Weather Statements in 2012

Special Weather Statement, NWS Boston/Norton, MA

August 15, 2012Barnstable County, Dukes County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Aug 15, 2012, 9:41 AM EDT for Barnstable County, Dukes County, Massachusetts. It was in force for 64 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 15, 2012, 9:41 AM EDT (13:41 UTC)
Expired
Aug 15, 2012, 10:45 AM EDT
In force
64 min
Issued by
NWS Boston/Norton, MA

Counties Barnstable County, MA, Dukes County, MA

The radar

The Boston radar (KBOX), 62 km from the middle of the area, began a volume at 13:44 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 12:00Z, 1.7 hours before the alert went out and 208 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, Brookhaven, NY at 12:00Z on 2012-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1897 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, Brookhaven, NY at 12:00Z on 2012-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
1897 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
686 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.1

Open this sounding in Storm Lab

The text

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

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</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 Aug 15, 8:46 AM EDT, 55 minutes earlier.

Area forecast discussion, Aug 15, 8:46 AM EDT, 55 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Aug 15, 4:16 AM EDT, 5 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
416 AM EDT WED AUG 15 2012

CTZ002>004-MAZ002>024-026-NHZ011-012-015-RIZ001>008-160815-
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-
416 AM EDT WED AUG 15 2012

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...TODAY AND TONIGHT.

ISOALTED THUNDERSTORMS TODAY AND TONIGHT COULD BE STRONG WITH THE
POTENTIAL FOR STRONG WINDS...HAIL...AND LOCALIZED FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THE POTENTIAL EXISTS FOR STRONG THUNDERSTORMS WITH HAIL IN
SOUTHEAST NH...EASTERN MA...AND RHODE ISLAND THU MORNING AND EARLY
AFTERNOON.

A FEW THUNDERSTORMS LATE IN THE AFTERNOON AND EVENING ON BOTH
FRIDAY AND SATURDAY COULD BE STRONG TO SEVERE...WITH DAMAGING
WINDS...LARGE HAIL...AND LOCALIZED HEAVY DOWNPOURS..

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY. BE PREPARED TO REPORT ANY
FLOODING...STRONG WINDS...OR HAIL TO THE NATIONAL WEATHER SERVICE.

ANZ230>237-250-251-254>256-160815-
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-
416 AM EDT WED AUG 15 2012

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED STRONG THUNDERSTORMS TODAY AND TONIGHT COULD PRODUCE
LOCALLY HEAVY DOWNPOURS AND LOCALLY HIGHER WINDS AND SEAS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THE POTENTIAL EXISTS FOR STRONG THUNDERSTORMS WITH HAIL IN
SOUTHEAST NH...EASTERN MA...AND RHODE ISLAND THU MORNING AND EARLY
AFTERNOON.

A FEW THUNDERSTORMS LATE IN THE AFTERNOON AND EVENING ON BOTH
FRIDAY AND SATURDAY COULD BE STRONG TO SEVERE...WITH DAMAGING
WINDS...LARGE HAIL...AND LOCALIZED HEAVY DOWNPOURS..

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

FIELD

In the hours before

Local storm report, Aug 15, 6:27 AM EDT, 3 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
627 AM EDT WED AUG 15 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0535 AM     FLOOD            WEST SPRINGFIELD        42.12N  72.65W
08/15/2012                   HAMPDEN            MA   AMATEUR RADIO

            ONE CAR STUCK AT RESTAURANT ON ROUTE 5. WATER REPORTED
            UP TO FLOOR BOARD OF CAR ON PROSPECT STREET. WESTFIELD
            BARNES AIRPORT RECORDED 1.14 INCHES IN 20 MINUTES BUT
            TOTAL WAS LESS THAN 1.50 INCHES.

0536 AM     TSTM WND DMG     WEST SPRINGFIELD        42.12N  72.65W
08/15/2012                   HAMPDEN            MA   AMATEUR RADIO

            LARGE TREE LIMBS DOWN ON BEAR HOLE ROAD AND PROSPECT
            STREET.

&&

GAF
Special weather statement, Aug 15, 8:01 AM EDT, 1 hour 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
801 AM EDT WED AUG 15 2012

MAZ013>019-022-151245-
BARNSTABLE MA-EASTERN NORFOLK MA-EASTERN PLYMOUTH MA-NORTHERN BRISTOL
MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA-WESTERN NORFOLK MA-WESTERN
PLYMOUTH MA-
801 AM EDT WED AUG 15 2012

AT 757 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH OVER
FOXBOROUGH...OR ABOUT 7 MILES EAST OF FRANKLIN...MOVING NORTHEAST AT
30 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...SHARON...EASTON...NORWOOD...
  CANTON...STOUGHTON...BROCKTON...AVON...RANDOLPH...MILTON...
  HOLBROOK...ABINGTON...BRAINTREE...ROCKLAND...QUINCY...WEYMOUTH...
  HINGHAM...HULL...NORWELL...SCITUATE AND COHASSET.

FOR YOUR SAFETY...GET INSIDE WHEN THIS STORM APPROACHES. WINDS MAY BE
STRONG ENOUGH TO BRING DOWN SMALL BRANCHES. MINOR STREET FLOODING AND
PONDING OF WATER IN POOR DRAINAGE AREAS IS ALSO POSSIBLE.

HEAVY RAIN MAY CAUSE MINOR STREET FLOODING AND PONDING OF WATER IN
LOW LYING AREAS SUCH AS UNDERPASSES. DO NOT DRIVE THROUGH FLOODED
ROADS.

&&

LAT...LON 4197 7126 4213 7138 4232 7096 4232 7095
      4234 7093 4231 7092 4232 7089 4233 7091
      4235 7087 4232 7089 4228 7086 4226 7078
      4226 7077 4224 7074 4223 7075 4221 7071
      4216 7071

KJC
Local storm report, Aug 15, 8:21 AM EDT, 1 hour 20 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Local storm report, Aug 15, 8:23 AM EDT, 1 hour 18 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Local storm report, Aug 15, 9:30 AM EDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
930 AM EDT WED AUG 15 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0535 AM     FLOOD            WEST SPRINGFIELD        42.12N  72.65W
08/15/2012                   HAMPDEN            MA   AMATEUR RADIO

            ONE CAR STUCK AT RESTAURANT ON ROUTE 5. WATER REPORTED
            UP TO FLOOR BOARD OF CAR ON PROSPECT STREET. WESTFIELD
            BARNES AIRPORT RECORDED 1.14 INCHES IN 20 MINUTES BUT
            TOTAL WAS LESS THAN 1.50 INCHES.

0536 AM     TSTM WND DMG     WEST SPRINGFIELD        42.12N  72.65W
08/15/2012                   HAMPDEN            MA   AMATEUR RADIO

            LARGE TREE LIMBS DOWN ON BEAR HOLE ROAD AND PROSPECT
            STREET.

0808 AM     FLOOD            PROVIDENCE              41.82N  71.42W
08/15/2012                   PROVIDENCE         RI   TRAINED SPOTTER

            RTE 10 N AT EXIT 6 FLOODED WITH CARS STRANDED

0820 AM     FLOOD            ATTLEBORO               41.94N  71.29W
08/15/2012                   BRISTOL            MA   NWS EMPLOYEE

            PLEASANT STREET FLOODED

0845 AM     FLOOD            BRISTOL                 41.68N  71.27W
08/15/2012                   BRISTOL            RI   TRAINED SPOTTER

            60 PERSENT OF ROADS IN DOWNTOWN BRISTOL FLOODED

0905 AM     FLOOD            QUINCY                  42.26N  71.01W
08/15/2012                   NORFOLK            MA   AMATEUR RADIO

            SPANISH AVE TO WALISTON BEACH AND HANCOCK STREET CLOSED
            DUE TO FLOODING

0925 AM     FLOOD            FALL RIVER              41.71N  71.11W
08/15/2012                   BRISTOL            MA   TRAINED SPOTTER

            FLOODING ON INTERSTATE 195 EAST BOUND BY THE ENTRANCE
            TO BRAGA BRIDGE

&&

AED
Special weather statement, Aug 15, 9:41 AM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
941 AM EDT WED AUG 15 2012

MAZ018>023-151445-
BARNSTABLE MA-DUKES MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL
MA-SOUTHERN PLYMOUTH MA-WESTERN PLYMOUTH MA-
941 AM EDT WED AUG 15 2012

AT 940 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE
OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH
ALONG A LINE EXTENDING FROM 6 MILES NORTHEAST OF WAREHAM TO 11 MILES
NORTHWEST OF CHILMARK...OR ALONG A LINE EXTENDING FROM 9 MILES SOUTH
OF PLYMOUTH TO 17 MILES SOUTH OF NEW BEDFORD...MOVING EAST AT 25 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...BOURNE...CHILMARK...SANDWICH...
  FALMOUTH...WEST TISBURY...TISBURY...VINEYARD HAVEN...MASHPEE...OAK
  BLUFFS...EDGARTOWN...BARNSTABLE...HYANNIS...YARMOUTH...DENNIS AND
  BREWSTER.

FOR YOUR SAFETY...GET INSIDE WHEN THIS STORM APPROACHES. WINDS MAY BE
STRONG ENOUGH TO BRING DOWN SMALL BRANCHES. MINOR STREET FLOODING AND
PONDING OF WATER IN POOR DRAINAGE AREAS IS ALSO POSSIBLE.

HEAVY RAIN MAY CAUSE STREET FLOODING AND PONDING OF WATER IN LOW
LYING AREAS SUCH AS UNDERPASSES. DO NOT DRIVE THROUGH FLOODED ROADS.

&&

LAT...LON 4165 7012 4150 7070 4143 7045 4135 7044
      4134 7045 4135 7085 4147 7067 4149 7071
      4141 7096 4158 7065 4167 7066 4171 7067
      4150 7098 4150 7100 4191 7074 4191 7054
      4177 7048 4172 7026 4191 6996

KJC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 3:48 AM EDTAreal Flood AdvisoryBOXFranklin, Hampden, Hampshire3 hr
Aug 15, 4:54 AM EDTSpecial Weather StatementBOXFranklin51 min
Aug 15, 5:16 AM EDTSevere Thunderstorm WarningBOXHampden44 min
Aug 15, 5:28 AM EDTAreal Flood AdvisoryBOXFranklin, Hampden, Hampshire, Middlesex, Worcester3 hr
Aug 15, 6:04 AM EDTSpecial Weather StatementBOXWorcester41 min
Aug 15, 6:14 AM EDTSpecial Marine WarningBOX61 min
Aug 15, 6:58 AM EDTAreal Flood AdvisoryBOXBristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk and 1 more113 min
Aug 15, 8:27 AM EDTAreal Flood AdvisoryBOXBarnstable, Bristol, Essex, Middlesex, Norfolk, Plymouth and 1 more93 min
Aug 15, 8:46 AM EDTFlash Flood WarningBOXBristol, Plymouth74 min
Aug 15, 9:15 AM EDTSpecial Marine WarningBOX63 min
Aug 15, 9:51 AM EDTAreal Flood AdvisoryBOXBarnstable, Bristol, Dukes, Plymouth67 min
Aug 15, 2:24 PM EDTSpecial Weather StatementBOXFranklin51 min
Aug 15, 5:39 PM EDTSpecial Weather StatementBOXHampden66 min
Aug 15, 6:11 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire64 min
Aug 15, 6:24 PM EDTFlash Flood WarningBOXHampden, Hampshire3 hr
Aug 15, 7:14 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire27 min
Aug 15, 5:43 PM EDTSpecial Weather StatementBOX62 min
Aug 15, 5:59 PM EDTFlash Flood WarningBOXCapitol Planning Region68 min

Nearby

Special Weather Statements in Massachusetts, 2012Every special weather statement in 2012

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.