Alert archive / Massachusetts / Special Weather Statements in 2011

Special Weather Statement, NWS Boston/Norton, MA

August 19, 2011Hampden County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Aug 19, 2011, 7:25 PM EDT for Hampden County, Massachusetts. It was in force for 50 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 19, 2011, 7:25 PM EDT (23:25 UTC)
Expired: Aug 19, 2011, 8:15 PM EDT
In force: 50 min
Issued by: NWS Boston/Norton, MA

County Hampden County, MA

The radar

The Albany radar (KENX), 112 km from the middle of the area, began a volume at 23:26 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, 11.4 hours before the alert went out and 102 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: 205 J/kg
Mixed-layer CIN: -129 J/kg
Mixed-layer LCL: 940 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 42 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 19, 7:06 PM EDT, 19 minutes earlier.

Area forecast discussion, Aug 19, 7:06 PM EDT, 19 minutes before

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Hazardous weather outlook, Aug 19, 4:18 PM EDT, 3 hours 7 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
418 PM EDT FRI AUG 19 2011

CTZ002>004-MAZ002>024-026-NHZ011-012-015-RIZ001>008-202030-
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-
418 PM EDT FRI AUG 19 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.

ISOLATED SEVERE THUNDERSTORMS WILL CONTINUE THROUGH THIS EVENING
MAINLY ACROSS CENTRAL AND NORTHERN MASSACHUSETTS INTO SOUTHERN NEW
HAMPSHIRE. THE MAIN THREATS WILL BE LARGE HAIL AND STRONG TO
DAMAGING STRAIGHT WIND GUSTS.

IN ADDITION...ANY STORM THAT DEVELOPS WILL MOVE SLOW AND MAY
RESULT IN ISOLATED AND LOCALIZED FLOODING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

A FEW STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE SUNDAY
AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

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

ANZ230>237-250-251-254>256-202030-
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-
418 PM EDT FRI AUG 19 2011

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

.DAY ONE...TONIGHT.

ISOLATED STRONG TO SEVERE THUNDERSTORMS WITH LARGE HAIL AND STRONG
WIND GUSTS ARE POSSIBLE NEAR SHORE THROUGH THIS EVENING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

A FEW STRONG THUNDERSTORMS ARE POSSIBLE SOMETIME SUNDAY AFTERNOON
AND EVENING.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Local storm report, Aug 19, 5:34 PM EDT, 1 hour 51 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
534 PM EDT FRI AUG 19 2011

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

0240 PM     TSTM WND DMG     HOPEDALE                42.13N  71.54W
08/19/2011                   WORCESTER          MA   AMATEUR RADIO

            LARGE BRANCHES DOWN ON DUTCHER STREET

0240 PM     HAIL             HOLDEN                  42.35N  71.85W
08/19/2011  E0.75 INCH       WORCESTER          MA   AMATEUR RADIO

0257 PM     TSTM WND DMG     MEDWAY                  42.13N  71.40W
08/19/2011                   NORFOLK            MA   AMATEUR RADIO

            LARGE BRANCHES DOWN ON MASSASOIT ST

0319 PM     LIGHTNING        DOVER                   42.25N  71.28W
08/19/2011                   NORFOLK            MA   AMATEUR RADIO

            FIRE STATION HIT BY LIGHTNING LOST POWER ON GENERATOR
            POWER

0320 PM     HAIL             ROWE                    42.70N  72.90W
08/19/2011  E1.00 INCH       FRANKLIN           MA   AMATEUR RADIO

            ON ZOAR RD

0321 PM     TSTM WND DMG     BOSTON                  42.32N  71.07W
08/19/2011                   SUFFOLK            MA   AMATEUR RADIO

            WIRES DOWN

0325 PM     TSTM WND DMG     BELMONT                 42.40N  71.17W
08/19/2011                   MIDDLESEX          MA   AMATEUR RADIO

            TREES AND WIRES DOWN ON BELMONT AND WINDSOR STREETS

0325 PM     TSTM WND DMG     MALDEN                  42.43N  71.06W
08/19/2011                   MIDDLESEX          MA   AMATEUR RADIO

            TREES DOWN ON POWER LINES ON WAIT ST AND SEVERAL OTHER
            LOCATIONS

0325 PM     TSTM WND DMG     BOSTON                  42.32N  71.07W
08/19/2011                   SUFFOLK            MA   AMATEUR RADIO

            TREE DOWN ACROSS PARK ST AND ALSO ACROSS DARTMOUTH ST

0325 PM     TSTM WND DMG     CAMBRIDGE               42.38N  71.12W
08/19/2011                   MIDDLESEX          MA   AMATEUR RADIO

            TREES DOWN ON WALDEN ST

0326 PM     HAIL             BOSTON                  42.36N  71.06W
08/19/2011  M0.75 INCH       SUFFOLK            MA   GENERAL PUBLIC

            GENERAL PUBLIC

0328 PM     HAIL             HOLDEN                  42.35N  71.85W
08/19/2011  E0.75 INCH       WORCESTER          MA   AMATEUR RADIO

0328 PM     FLOOD            HOLDEN                  42.35N  71.85W
08/19/2011                   WORCESTER          MA   AMATEUR RADIO

            6 -12 INCH STREET FLOODING ON ROUTE 122 A AND MAIN ST

0330 PM     FLOOD            BOSTON                  42.32N  71.07W
08/19/2011                   SUFFOLK            MA   AMATEUR RADIO

            INTERSECTION OF MASSACHUSETTS AVE AND BOYALSTON ST
            WATER DEPTH 1 FT

0330 PM     HAIL             BOSTON                  42.32N  71.07W
08/19/2011  E1.00 INCH       SUFFOLK            MA   AMATEUR RADIO

            BACKBAY SECTION

0336 PM     TSTM WND DMG     UXBRIDGE                42.08N  71.60W
08/19/2011                   WORCESTER          MA   AMATEUR RADIO

            LARGE BRANCHES DOWN ON MENDON ST

0349 PM     HAIL             LYNN                    42.47N  70.96W
08/19/2011  M0.75 INCH       ESSEX              MA   AMATEUR RADIO

0350 PM     HAIL             SALEM                   42.53N  70.87W
08/19/2011  E0.75 INCH       ESSEX              MA   AMATEUR RADIO

0357 PM     HAIL             CHELMSFORD              42.60N  71.37W
08/19/2011  E0.75 INCH       MIDDLESEX          MA   AMATEUR RADIO

0400 PM     TSTM WND DMG     MALDEN                  42.43N  71.06W
08/19/2011                   MIDDLESEX          MA   AMATEUR RADIO

            WIRES DOWN ON LYNN ST

0404 PM     TSTM WND DMG     SALEM                   42.53N  70.87W
08/19/2011                   ESSEX              MA   AMATEUR RADIO

            TREE DOWN ON HOUSE ON BROADWAY ST

0404 PM     TSTM WND DMG     SALEM                   42.53N  70.87W
08/19/2011                   ESSEX              MA   AMATEUR RADIO

            WISTERIA ST TREE DOWN ON CAR

0409 PM     TSTM WND DMG     NEWTON                  42.33N  71.21W
08/19/2011                   MIDDLESEX          MA   AMATEUR RADIO

            SEVERAL LARGE TREES DOWN ON RAYMOND AVE

0425 PM     TSTM WND DMG     ACTON                   42.48N  71.47W
08/19/2011                   MIDDLESEX          MA   AMATEUR RADIO

            NUMEROUS TREES DOWN

0428 PM     TSTM WND DMG     LYNN                    42.47N  70.96W
08/19/2011                   ESSEX              MA   AMATEUR RADIO

            TREES DOWN ON LYNN SHORE DRIVE

0440 PM     TSTM WND DMG     NEWTON                  42.33N  71.21W
08/19/2011                   MIDDLESEX          MA   AMATEUR RADIO

            TREE DOWN ON PRINCE AND SEWALL ST

0440 PM     HAIL             WORTHINGTON             42.42N  72.93W
08/19/2011  E1.00 INCH       HAMPSHIRE          MA   AMATEUR RADIO

&&

123

Special weather statement, Aug 19, 5:36 PM EDT, 1 hour 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
536 PM EDT FRI AUG 19 2011

NHZ011-015-192215-
CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
536 PM EDT FRI AUG 19 2011

...STRONG THUNDERSTORM NEAR PETERBOROUGH...

AT 535 PM EDT...A STRONG THUNDERSTORM CAPABLE OF PRODUCING WIND
GUSTS TO 40 MPH AND PENNY SIZED HAIL WAS NEAR PETERBOROUGH...OR
ABOUT 6 MILES NORTH OF JAFFREY...MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...HANCOCK...BENNINGTON...
  GREENFIELD...FRANCESTOWN AND DEERING.

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.

&&

LAT...LON 4311 7182 4303 7167 4280 7198 4289 7210

JWD

Special weather statement, Aug 19, 5:54 PM EDT, 1 hour 31 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
554 PM EDT FRI AUG 19 2011

NHZ015-192300-
WESTERN AND CENTRAL HILLSBOROUGH NH-
554 PM EDT FRI AUG 19 2011

...STRONG THUNDERSTORM NEAR GREENFIELD...

AT 554 PM EDT...A STRONG THUNDERSTORM CAPABLE OF PRODUCING WIND
GUSTS TO 40 MPH AND PENNY SIZED HAIL WAS NEAR GREENFIELD...OR ABOUT
14 MILES NORTHEAST OF JAFFREY...MOVING NORTHEAST AT 40 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...DEERING AND WEARE.

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.

&&

LAT...LON 4315 7166 4306 7164 4306 7162 4291 7188
      4295 7196 4313 7182 4315 7169 4315 7167

JWD

Special weather statement, Aug 19, 6:31 PM EDT, 54 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
631 PM EDT FRI AUG 19 2011

NHZ011-015-192315-
CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
631 PM EDT FRI AUG 19 2011

AT 629 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL...AND GUSTY
WINDS UP TO 40 MPH...2 MILES NORTHWEST OF ROXBURY...OR ABOUT 4 MILES
EAST OF KEENE...MOVING NORTHEAST AT 15 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...NELSON...SULLIVAN...GILSUM...
  MARLOW AND STODDARD.

FOR YOUR SAFETY...GET INSIDE WHEN THESE STORMS APPROACH. THESE STORMS
MAY STRENGTHEN AND COULD PRODUCE DAMAGING WINDS OR LARGE HAIL. STAY
TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR POSSIBLE
WARNINGS.

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 4316 7188 4297 7207 4290 7222 4293 7232
      4318 7221 4318 7215 4314 7217 4313 7205
      4315 7203 4319 7203 4321 7194 4321 7190

SIPPRELL

Special weather statement, Aug 19, 6:43 PM EDT, 42 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
643 PM EDT FRI AUG 19 2011

MAZ008>011-192345-
EASTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-WESTERN
HAMPSHIRE MA-
643 PM EDT FRI AUG 19 2011

AT 642 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE
OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZED HAIL...WITH
WIND GUSTS UP TO 40 MPH...ALONG A LINE EXTENDING FROM 5 MILES WEST
OF MIDDLEFIELD TO 10 MILES SOUTHWEST OF CHESTER TO 8 MILES WEST OF
TOLLAND...OR ALONG A LINE EXTENDING FROM 23 MILES WEST OF
NORTHAMPTON TO 18 MILES NORTHWEST OF HARTLAND TO 13 MILES NORTHWEST
OF HARTLAND...MOVING EAST AT 20 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...MIDDLEFIELD...TOLLAND...
  CHESTER...WORTHINGTON...BLANDFORD...CHESTERFIELD...HUNTINGTON...
  RUSSELL...GOSHEN...MONTGOMERY...WESTHAMPTON AND WILLIAMSBURG.

FOR YOUR SAFETY...GET INSIDE WHEN THESE STORMS APPROACH. THESE STORMS
MAY STRENGTHEN AND COULD PRODUCE DAMAGING WINDS OR LARGE HAIL. STAY
TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR POSSIBLE
WARNINGS.

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 4216 7303 4230 7301 4233 7307
      4239 7307 4239 7302 4241 7301 4246 7276
      4244 7275 4245 7271 4245 7270 4241 7270
      4241 7269 4213 7283 4204 7304 4210 7308

SIPPRELL

Special weather statement, Aug 19, 7:25 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
Aug 19, 12:51 PM EDT	Areal Flood Advisory	BOX	Franklin	3 hr
Aug 19, 1:56 PM EDT	Special Weather Statement	BOX	Franklin	34 min
Aug 19, 2:02 PM EDT	Special Weather Statement	BOX	Worcester	43 min
Aug 19, 2:14 PM EDT	Severe Thunderstorm Warning	BOX	Franklin	46 min
Aug 19, 2:27 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk, Worcester	35 min
Aug 19, 2:33 PM EDT	Special Weather Statement	BOX	Worcester	42 min
Aug 19, 2:36 PM EDT	Flash Flood Warning	BOX	Franklin	4 hr
Aug 19, 2:41 PM EDT	Special Weather Statement	BOX	Norfolk	34 min
Aug 19, 2:57 PM EDT	Special Weather Statement	BOX	Franklin	48 min
Aug 19, 2:57 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk, Suffolk	25 min
Aug 19, 3:06 PM EDT	Areal Flood Advisory	BOX	Middlesex, Norfolk, Suffolk	54 min
Aug 19, 3:07 PM EDT	Special Weather Statement	BOX	Worcester	53 min
Aug 19, 3:14 PM EDT	Areal Flood Advisory	BOX	Worcester	75 min
Aug 19, 3:15 PM EDT	Special Marine Warning	BOX		45 min
Aug 19, 3:18 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk, Suffolk	27 min
Aug 19, 3:18 PM EDT	Severe Thunderstorm Warning	BOX	Franklin	27 min
Aug 19, 3:22 PM EDT	Severe Thunderstorm Warning	BOX	Worcester	33 min
Aug 19, 3:29 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex	36 min
Aug 19, 3:36 PM EDT	Areal Flood Advisory	BOX	Essex, Middlesex, Suffolk	72 min
Aug 19, 3:39 PM EDT	Special Weather Statement	BOX	Essex	66 min
Aug 19, 3:47 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Suffolk	43 min
Aug 19, 3:53 PM EDT	Special Marine Warning	BOX		67 min
Aug 19, 3:57 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex	23 min
Aug 19, 4:02 PM EDT	Areal Flood Advisory	BOX	Middlesex, Worcester	29 min
Aug 19, 4:22 PM EDT	Special Marine Warning	BOX		53 min
Aug 19, 4:36 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire	39 min
Aug 19, 4:57 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampden, Hampshire	63 min
Aug 19, 5:02 PM EDT	Areal Flood Advisory	BOX	Franklin, Hampshire	3 hr
Aug 19, 5:07 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Worcester	38 min
Aug 19, 5:34 PM EDT	Severe Thunderstorm Warning	BOX	Franklin	26 min
Aug 19, 6:43 PM EDT	Special Weather Statement	BOX	Hampshire	62 min
Aug 19, 7:30 PM EDT	Areal Flood Advisory	BOX	Hampden	64 min
Aug 19, 2:10 PM EDT	Special Weather Statement	BOX	Providence	50 min
Aug 19, 4:08 PM EDT	Special Weather Statement	BOX	Hillsborough	37 min
Aug 19, 4:38 PM EDT	Special Weather Statement	BOX	Hillsborough	37 min
Aug 19, 4:47 PM EDT	Special Weather Statement	BOX	Hillsborough	28 min
Aug 19, 5:00 PM EDT	Special Weather Statement	BOX	Cheshire	45 min
Aug 19, 5:36 PM EDT	Special Weather Statement	BOX	Hillsborough	39 min
Aug 19, 5:54 PM EDT	Special Weather Statement	BOX	Hillsborough	66 min
Aug 19, 6:31 PM EDT	Special Weather Statement	BOX	Cheshire	44 min

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.