Alert archive / Massachusetts / Special Weather Statements in 2012

Special Weather Statement, NWS Boston/Norton, MA

August 5, 2012Hampden County, Hampshire County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Aug 5, 2012, 2:02 PM EDT for Hampden County, Hampshire County, Massachusetts. It was in force for 58 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 5, 2012, 2:02 PM EDT (18:02 UTC)
Expired
Aug 5, 2012, 3:00 PM EDT
In force
58 min
Issued by
NWS Boston/Norton, MA

Counties Hampden County, MA, Hampshire County, MA

The radar

The Brookhaven radar (KOKX), 123 km from the middle of the area, began a volume at 18:03 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, 6.0 hours before the alert went out and 123 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 2012-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2201 joules per kilogram.LCLEL10008507005003002001001 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 2012-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.1939Sfc1 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
2201 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
477 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Aug 5, 11:49 AM EDT, 2 hours 13 minutes earlier.

Area forecast discussion, Aug 5, 11:49 AM EDT, 2 hours 13 minutes before
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Hazardous weather outlook, Aug 5, 4:00 AM EDT, 10 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
400 AM EDT SUN AUG 5 2012

CTZ002-MAZ002-003-008>011-NHZ011-060800-
HARTFORD CT-WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-CHESHIRE NH-
400 AM EDT SUN AUG 5 2012

...FLASH FLOOD WATCH IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
MONDAY MORNING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN
CONNECTICUT...WESTERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

.SPOTTER INFORMATION STATEMENT...

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

CTZ003-004-MAZ004>007-012>024-026-NHZ012-015-RIZ001>008-060800-
TOLLAND CT-WINDHAM CT-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX 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-
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-
400 AM EDT SUN AUG 5 2012

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED SUNDAY NIGHT
INTO EARLY MONDAY. SOME OF THESE STORMS MAY CONTAIN GUSTY WINDS
AND HEAVY DOWNPOURS AND THEREFORE LOCALIZED FLOODING IS A POSSIBILITY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

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>256-060800-
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-
400 AM EDT SUN AUG 5 2012

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

.DAY ONE...TODAY AND TONIGHT.

SHOWERS AND THUNDERSTORMS WILL CROSS OVER THE WATERS ALONG AND
AHEAD OF A COLD FRONT. SOME OF THESE STORMS MAY BE SEVERE WITH
WIND GUSTS IN EXCESS OF 34 KNOTS THEREBY WARRANTING THE ISSUE OF
MARINE WEATHER WARNINGS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS THE WATERS DURING
THE EARLY TO MIDDAY PORTION OF MONDAY BEFORE MOST OF THE ACTIVITY
IS PUSHED WELL OUT TO SEA BY THE ATTENDANT COLD FRONT. ONCE
AGAIN...SOME OF THESE STORMS MAY BE SEVERE WITH WIND GUSTS IN
EXCESS OF 34 KNOTS THEREBY WARRANTING THE ISSUE OF MARINE WEATHER
WARNINGS.

.SPOTTER INFORMATION STATEMENT...

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

SIPPRELL

In the hours before

Special weather statement, Aug 5, 2:02 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
202 PM EDT SUN AUG 5 2012

CTZ002-003-MAZ008>011-051900-
EASTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-HARTFORD CT-TOLLAND
CT-WESTERN HAMPDEN MA-WESTERN HAMPSHIRE MA-
202 PM EDT SUN AUG 5 2012

AT 157 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A AREA
OF DEVELOPING THUNDERSTORMS CAPABLE OF PRODUCING WIND GUSTS TO 40
MPH.  THE THUNDERSTORMS WERE ALONG A LINE EXTENDING FROM NEAR
TOLLAND MASSACHUSETTS AND GRANBY CONNECTICUT TO WEST HARTFORD. THE
STORMS WERE MOVING NORTHEAST AT 30 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...GRANVILLE...EAST GRANBY...
  GLASTONBURY...EAST HARTFORD...SOUTHWICK...WINDSOR...BLANDFORD...
  WINDSOR LOCKS...SOUTH WINDSOR...SUFFIELD...EAST WINDSOR...
  RUSSELL...MANCHESTER...HUNTINGTON...WESTFIELD...ENFIELD...
  MONTGOMERY...AGAWAM...VERNON...BOLTON...LONGMEADOW...WEST
  SPRINGFIELD...ANDOVER...ROCKVILLE...EAST LONGMEADOW...ELLINGTON...
  SOUTHAMPTON...WESTHAMPTON...SPRINGFIELD...SOMERS...HOLYOKE...
  COVENTRY...CHICOPEE...TOLLAND...EASTHAMPTON...HAMPDEN...STORRS...
  LUDLOW...NORTHAMPTON...WILBRAHAM...MANSFIELD...WILLINGTON...SOUTH
  HADLEY...STAFFORD SPRINGS...GRANBY...HATFIELD...STAFFORD...
  MONSON...HADLEY...PALMER...BELCHERTOWN AND AMHERST.

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 4214 7308 4215 7304 4222 7302 4241 7255
      4217 7225 4196 7221 4184 7222 4183 7219
      4179 7218 4164 7251 4163 7269 4159 7275
      4190 7285 4195 7291 4197 7290 4197 7293
      4207 7307

WTB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 4:03 AM EDTFlash Flood WatchBOXFranklin, Hampden, Hampshire19 hr
Aug 5, 4:08 AM EDTSmall Craft AdvisoryBOX27 hr
Aug 5, 3:03 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampshire, Worcester42 min
Aug 5, 3:33 PM EDTSpecial Weather StatementBOXWorcester57 min
Aug 5, 4:20 PM EDTSevere Thunderstorm WarningBOXHampden40 min
Aug 5, 4:38 PM EDTSevere Thunderstorm WarningBOXMiddlesex, Worcester47 min
Aug 5, 5:05 PM EDTSevere Thunderstorm WarningBOXHampden, Worcester40 min
Aug 5, 5:30 PM EDTSpecial Marine WarningBOX51 min
Aug 5, 5:46 PM EDTSevere Thunderstorm WarningBOXWorcester29 min
Aug 5, 7:52 PM EDTSpecial Weather StatementBOXHampden83 min
Aug 5, 2:29 PM EDTSpecial Weather StatementBOX61 min
Aug 5, 4:58 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region47 min
Aug 5, 5:13 PM EDTAreal Flood AdvisoryBOXCapitol Planning Region3 hr
Aug 5, 5:57 PM EDTAreal Flood AdvisoryBOXCapitol Planning Region, Northeastern Connecticut Planning Region3 hr
Aug 5, 6:30 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region, Northeastern Connecticut Planning Region18 min
Aug 5, 3:26 PM EDTSpecial Weather StatementBOXHillsborough64 min
Aug 5, 3:46 PM EDTSpecial Weather StatementBOXHillsborough59 min

Nearby

Special Weather Statements in Massachusetts, 2012Special Weather Statements in Connecticut, 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.