Alert archive / Connecticut / Special Weather Statements in 2011

Special Weather Statement, NWS Boston/Norton, MA

August 1, 2011

NWS Boston/Norton, MA issued this special weather statement at Aug 1, 2011, 6:03 PM EDT. It was in force for 42 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 1, 2011, 6:03 PM EDT (22:03 UTC)
Expired
Aug 1, 2011, 6:45 PM EDT
In force
42 min
Issued by
NWS Boston/Norton, MA

The radar

The Brookhaven radar (KOKX), 86 km from the middle of the area, began a volume at 22:06 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, 10.1 hours before the alert went out and 86 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 2011-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 529 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 2011-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
529 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
975 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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 1, 5:39 PM EDT, 24 minutes earlier.

Area forecast discussion, Aug 1, 5:39 PM EDT, 24 minutes before
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Hazardous weather outlook, Aug 1, 5:51 PM EDT, 12 minutes before
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In the hours before

Special weather statement, Aug 1, 4:08 PM EDT, 1 hour 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
408 PM EDT MON AUG 1 2011

MAZ006-007-012115-
EASTERN ESSEX MA-WESTERN ESSEX MA-
408 PM EDT MON AUG 1 2011

AT 405 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH AND
PENNY SIZED HAIL OVER MERRIMAC...OR ABOUT 6 MILES NORTHWEST OF
NEWBURYPORT...MOVING SOUTHEAST AT 30 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...AMESBURY...NEWBURYPORT AND
  SALISBURY.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
MONDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND
SOUTHERN NEW HAMPSHIRE AND CENTRAL RHODE ISLAND.

&&

LAT...LON 4288 7087 4287 7085 4287 7081 4280 7080
      4272 7077 4267 7068 4270 7065 4269 7062
      4265 7065 4271 7076 4270 7077 4282 7106
      4287 7100 4289 7092

FIELD
Special weather statement, Aug 1, 4:37 PM EDT, 1 hour 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
437 PM EDT MON AUG 1 2011

MAZ003-004-012100-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
437 PM EDT MON AUG 1 2011

AT 435 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH AND
PENNY SIZED HAIL 5 MILES NORTHWEST OF SHUTESBURY...OR ABOUT 8 MILES
NORTH OF AMHERST...MOVING EAST AT 20 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...SHUTESBURY.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
MONDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND
SOUTHERN NEW HAMPSHIRE AND CENTRAL RHODE ISLAND.

&&

LAT...LON 4249 7230 4240 7230 4247 7257 4254 7251

FIELD
Special weather statement, Aug 1, 4:45 PM EDT, 1 hour 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
445 PM EDT MON AUG 1 2011

CTZ002-003-MAZ011-012130-
EASTERN HAMPDEN MA-HARTFORD CT-TOLLAND CT-
445 PM EDT MON AUG 1 2011

...STRONG THUNDERSTORM FORMING NEAR SIMSBURY...

AT 443 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH AND
PENNY SIZED HAIL NEAR SIMSBURY...OR ABOUT 11 MILES WEST OF WINDSOR
LOCKS...MOVING SOUTHEAST AT 25 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...CANTON...WINDSOR LOCKS...
BLOOMFIELD...HARTFORD...WETHERSFIELD...AND MANCHESTER.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
MONDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND
SOUTHERN NEW HAMPSHIRE AND RHODE ISLAND.

&&

LAT...LON 4204 7290 4184 7243 4164 7262 4185 7296
      4189 7295 4190 7294 4190 7292 4197 7290
      4197 7297 4197 7296

JWD
Local storm report, Aug 1, 5:08 PM EDT, 55 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
508 PM EDT MON AUG 01 2011

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

0115 PM     HAIL             AMHERST                 42.38N  72.52W
08/01/2011  M1.50 INCH       HAMPSHIRE          MA   TRAINED SPOTTER

0128 PM     HAIL             AMHERST                 42.38N  72.52W
08/01/2011  E1.75 INCH       HAMPSHIRE          MA   AMATEUR RADIO

0137 PM     HAIL             AMHERST                 42.38N  72.52W
08/01/2011  M1.00 INCH       HAMPSHIRE          MA   MEDIA

            MEDIA

0148 PM     HAIL             AMHERST                 42.38N  72.52W
08/01/2011  E1.00 INCH       HAMPSHIRE          MA   STORM CHASER

0205 PM     HAIL             BELCHERTOWN             42.27N  72.40W
08/01/2011  E0.75 INCH       HAMPSHIRE          MA   AMATEUR RADIO

0209 PM     HAIL             LONGMEADOW              42.05N  72.58W
08/01/2011  M0.75 INCH       HAMPDEN            MA   NONE

0211 PM     HAIL             BELCHERTOWN             42.27N  72.40W
08/01/2011  E1.00 INCH       HAMPSHIRE          MA   AMATEUR RADIO

0213 PM     HAIL             SPRINGFIELD             42.12N  72.54W
08/01/2011  E0.88 INCH       HAMPDEN            MA   AMATEUR RADIO

0216 PM     HAIL             LONGMEADOW              42.05N  72.58W
08/01/2011  M0.75 INCH       HAMPDEN            MA   NONE

0225 PM     HAIL             LUDLOW                  42.17N  72.48W
08/01/2011  E1.75 INCH       HAMPDEN            MA   LAW ENFORCEMENT

            FALLING ON MOORE ST

0225 PM     HAIL             SPRINGFIELD             42.12N  72.54W
08/01/2011  E0.75 INCH       HAMPDEN            MA   AMATEUR RADIO

0231 PM     HAIL             EAST LONGMEADOW         42.07N  72.52W
08/01/2011  E0.75 INCH       HAMPDEN            MA   AMATEUR RADIO

0236 PM     LIGHTNING        WHATELY                 42.45N  72.62W
08/01/2011                   FRANKLIN           MA   AMATEUR RADIO

            HOUSE STRUCK BY LIGHTNING ON DICKERSON HILL RD SMOKE
            OBSERVERED EMITING FROM HOUSE

0237 PM     TSTM WND DMG     NORTHFIELD              42.71N  72.44W
08/01/2011                   FRANKLIN           MA   LAW ENFORCEMENT

            DOWNED TREES AND POWER LINES ON ROUTE 142

0238 PM     HAIL             WILBRAHAM               42.14N  72.44W
08/01/2011  E0.75 INCH       HAMPDEN            MA   AMATEUR RADIO

0242 PM     HAIL             MONSON                  42.10N  72.31W
08/01/2011  E0.75 INCH       HAMPDEN            MA   AMATEUR RADIO

            FALLING ON COTE RD

0253 PM     LIGHTNING        SPRINGFIELD             42.12N  72.54W
08/01/2011                   HAMPDEN            MA   AMATEUR RADIO

            STRUCTURE ON MARBLE ST ON FIRE DUE TO LIGHTNING HIT

0255 PM     HAIL             SHUTESBURY              42.45N  72.40W
08/01/2011  E0.75 INCH       FRANKLIN           MA   TRAINED SPOTTER

0345 PM     HAIL             BELCHERTOWN             42.27N  72.40W
08/01/2011  E1.50 INCH       HAMPSHIRE          MA   AMATEUR RADIO

0350 PM     HAIL             NORTHFIELD              42.71N  72.44W
08/01/2011  E1.00 INCH       FRANKLIN           MA   TRAINED SPOTTER

0356 PM     HAIL             EAST HARTLAND           42.00N  72.91W
08/01/2011  E0.75 INCH       HARTFORD           CT   AMATEUR RADIO

0405 PM     HAIL             HARTLAND                42.00N  72.98W
08/01/2011  E0.75 INCH       HARTFORD           CT   AMATEUR RADIO

0407 PM     HAIL             KEENE                   42.95N  72.30W
08/01/2011  E0.75 INCH       CHESHIRE           NH   AMATEUR RADIO

0433 PM     HAIL             ERVING                  42.60N  72.40W
08/01/2011  M1.00 INCH       FRANKLIN           MA   NONE

0448 PM     HAIL             LEVERETT                42.45N  72.50W
08/01/2011  E1.00 INCH       FRANKLIN           MA   AMATEUR RADIO

&&

123
Special weather statement, Aug 1, 5:29 PM EDT, 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
529 PM EDT MON AUG 1 2011

MAZ002-003-012200-
EASTERN FRANKLIN MA-WESTERN FRANKLIN MA-
529 PM EDT MON AUG 1 2011

AT 526 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH AND
PENNY SIZED HAIL OVER BUCKLAND...OR ABOUT 9 MILES WEST OF
GREENFIELD...MOVING SOUTHEAST AT 20 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...ASHFIELD...SHELBURNE...CONWAY...
  GREENFIELD AND DEERFIELD.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
MONDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND
SOUTHERN NEW HAMPSHIRE AND CENTRAL RHODE ISLAND.

&&

LAT...LON 4258 7249 4242 7264 4258 7287 4266 7279

FIELD
Special weather statement, Aug 1, 6:03 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.

IssuedProductOfficeCountiesLasted
Aug 1, 12:37 PM EDTSpecial Weather StatementBOXHampshire53 min
Aug 1, 1:24 PM EDTSpecial Weather StatementBOXHampshire51 min
Aug 1, 1:27 PM EDTAreal Flood AdvisoryBOXFranklin, Hampshire, Worcester3 hr
Aug 1, 1:34 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampshire, Worcester19 min
Aug 1, 1:41 PM EDTFlash Flood WarningBOXFranklin, Hampshire, Worcester3 hr
Aug 1, 1:55 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire35 min
Aug 1, 2:03 PM EDTSpecial Weather StatementBOXFranklin42 min
Aug 1, 2:08 PM EDTSpecial Weather StatementBOXHampden52 min
Aug 1, 2:13 PM EDTSevere Thunderstorm WarningBOXHampden47 min
Aug 1, 2:19 PM EDTFlash Flood WarningBOXHampden, Hampshire, Worcester116 min
Aug 1, 2:19 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampshire41 min
Aug 1, 3:01 PM EDTSpecial Weather StatementBOXWorcester59 min
Aug 1, 3:05 PM EDTSevere Thunderstorm WarningBOXHampden, Worcester17 min
Aug 1, 3:10 PM EDTSpecial Weather StatementBOXFranklin50 min
Aug 1, 3:14 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampshire, Worcester38 min
Aug 1, 3:18 PM EDTSevere Thunderstorm WarningBOXFranklin, Worcester42 min
Aug 1, 3:30 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampden, Hampshire, Worcester45 min
Aug 1, 3:33 PM EDTSpecial Weather StatementBOXHampden57 min
Aug 1, 3:40 PM EDTAreal Flood AdvisoryBOXFranklin, Worcester113 min
Aug 1, 3:41 PM EDTSevere Thunderstorm WarningBOXHampden49 min
Aug 1, 3:59 PM EDTSevere Thunderstorm WarningBOXFranklin, Worcester61 min
Aug 1, 4:07 PM EDTFlash Flood WarningBOXFranklin, Worcester82 min
Aug 1, 4:08 PM EDTSpecial Weather StatementBOXEssex67 min
Aug 1, 4:15 PM EDTAreal Flood AdvisoryBOXHampden3 hr
Aug 1, 4:31 PM EDTSevere Thunderstorm WarningBOXFranklin, Worcester27 min
Aug 1, 4:37 PM EDTSpecial Weather StatementBOXFranklin23 min
Aug 1, 4:42 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampshire, Worcester63 min
Aug 1, 4:55 PM EDTAreal Flood AdvisoryBOXFranklin, Hampshire, Worcester3 hr
Aug 1, 5:29 PM EDTSpecial Weather StatementBOXFranklin31 min
Aug 1, 6:29 PM EDTSpecial Weather StatementBOXHampshire46 min
Aug 1, 4:00 PM EDTSpecial Weather StatementBOX45 min
Aug 1, 4:18 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region29 min
Aug 1, 4:35 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region24 min
Aug 1, 4:45 PM EDTSpecial Weather StatementBOX45 min
Aug 1, 5:10 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region35 min
Aug 1, 1:41 PM EDTSpecial Weather StatementBOXCheshire49 min
Aug 1, 1:55 PM EDTSevere Thunderstorm WarningBOXCheshire43 min
Aug 1, 2:08 PM EDTAreal Flood AdvisoryBOXCheshire, Hillsborough3 hr
Aug 1, 2:42 PM EDTSpecial Weather StatementBOXCheshire48 min
Aug 1, 2:50 PM EDTAreal Flood AdvisoryBOXCheshire2 hr
Aug 1, 3:25 PM EDTSpecial Weather StatementBOXCheshire35 min
Aug 1, 3:38 PM EDTSevere Thunderstorm WarningBOXCheshire, Hillsborough40 min

Nearby

Special Weather Statements in Connecticut, 2011Every 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.