Alert archive / Massachusetts / Special Weather Statements in 2011

Special Weather Statement, NWS Boston/Norton, MA

June 25, 2011Hampden County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Jun 25, 2011, 4:47 PM EDT for Hampden 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: Jun 25, 2011, 4:47 PM EDT (20:47 UTC)
Expired: Jun 25, 2011, 5:45 PM EDT
In force: 58 min
Issued by: NWS Boston/Norton, MA

County Hampden County, MA

The radar

The Albany radar (KENX), 116 km from the middle of the area, began a volume at 20:48 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

Albany, NY (KALY), launched 12:00Z, 8.8 hours before the alert went out and 106 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: 6 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 477 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 123 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 Jun 25, 4:22 PM EDT, 25 minutes earlier.

Area forecast discussion, Jun 25, 4:22 PM EDT, 25 minutes before

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Hazardous weather outlook, Jun 25, 4:04 PM EDT, 43 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TAUNTON MA
404 PM EDT SAT JUN 25 2011

CTZ002>004-MAZ002>024-026-NHZ011-012-015-RIZ001>008-262015-
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-
404 PM EDT SAT JUN 25 2011

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.

THERE IS A LOW PROBABILITY THAT A FEW THUNDERSTORMS MAY BECOME
SEVERE THIS EVENING...WITH DAMAGING WINDS AND LARGE HAIL THE MAIN
THREAT. THE GREATEST RISK WILL BE ACROSS WESTERN PORTIONS OF CONNECTICUT...
MASSACHUSETTS INTO SOUTHWEST NEW HAMPSHIRE. THIS INCLUDES THE
GREATER HARTFORD AND SPRINGFIELD AREAS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ230>237-250-251-254>256-262015-
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-
404 PM EDT SAT JUN 25 2011

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

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jun 25, 4:28 PM EDT, 19 minutes before

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Special weather statement, Jun 25, 4:47 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
447 PM EDT SAT JUN 25 2011

CTZ002-MAZ009>011-252145-
EASTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-HARTFORD CT-WESTERN HAMPDEN
MA-
447 PM EDT SAT JUN 25 2011

AT 445 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM IN EXTREME NORTHWEST HARTFORD COUNTY...NEAR
HARTLAND...MOVING NORTHEAST AT 20 MPH. IT WILL BE MOVING INTO
SOUTHWESTERN HAMPDEN COUNTY MASSACHUSETTS BETWEEN 450 PM AND 5 PM.
VERY HEAVY DOWNPOURS MAY PRODUCE UP TO AN INCH OF RAIN IN A SHORT
PERIOD OF TIME.

* SOME LOCATIONS AFFECTED INCLUDE...GRANVILLE...SOUTHWICK...
  WESTFIELD...MONTGOMERY...AGAWAM...WEST SPRINGFIELD AND SPRINGFIELD.

FOR YOUR SAFETY...GET INSIDE WHEN THIS STORM APPROACHES. MINOR
STREET FLOODING AND PONDING OF WATER IN POOR DRAINAGE AREAS IS
POSSIBLE.

&&

LAT...LON 4226 7277 4210 7250 4195 7290 4197 7290
      4197 7300 4200 7303

FIELD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 10:15 PM EDT	Small Craft Advisory for Hazardous Seas	BOX		6 hr
Jun 24, 10:44 PM EDT	Special Weather Statement	BOX	Franklin	61 min
Jun 25, 4:17 AM EDT	Small Craft Advisory for Hazardous Seas	BOX		4 hr
Jun 25, 6:56 AM EDT	Special Weather Statement	BOX	Middlesex	49 min
Jun 25, 8:14 AM EDT	Small Craft Advisory for Hazardous Seas	BOX		8 hr
Jun 25, 4:28 PM EDT	Special Weather Statement	BOX	Franklin	62 min
Jun 25, 5:23 PM EDT	Special Weather Statement	BOX	Hampden	37 min
Jun 25, 6:08 PM EDT	Areal Flood Advisory	BOX	Franklin, Hampden, Hampshire	2 hr
Jun 25, 6:54 PM EDT	Special Weather Statement	BOX	Worcester	36 min
Jun 25, 7:29 PM EDT	Areal Flood Advisory	BOX	Hampden, Hampshire, Worcester	2 hr

Nearby

Special Weather Statements in Massachusetts, 2011 Every special weather statement in 2011

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.