Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 14, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 1, 2011, 4:44 PM EDT for 6 counties in Massachusetts. It was in force for 61 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 1, 2011, 4:44 PM EDT (20:44 UTC)
- Expired
- Jun 1, 2011, 5:45 PM EDT
- In force
- 61 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Worcester County, MA
The radar
The Boston radar (KBOX), 69 km from the middle of the area, began a volume at 20:46 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 1, 12:58 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 8.7 hours before the alert went out and 166 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1250 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
534 WUUS51 KBOX 012044 SVRBOX MAC011-013-015-017-021-027-012145- /O.NEW.KBOX.SV.W.0014.110601T2044Z-110601T2145Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 444 PM EDT WED JUN 1 2011 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL WORCESTER COUNTY IN CENTRAL MASSACHUSETTS... THIS INCLUDES THE CITIES OF...WORCESTER...LEOMINSTER... NORTH CENTRAL NORFOLK COUNTY IN EASTERN MASSACHUSETTS... CENTRAL MIDDLESEX COUNTY IN SOUTHEAST MASSACHUSETTS... THIS INCLUDES THE CITY OF FRAMINGHAM... SOUTHEASTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS... NORTHEASTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS... SOUTHEASTERN HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS... * UNTIL 545 PM EDT * AT 440 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR HARDWICK...OR 13 MILES EAST OF AMHERST...AND WAS MOVING EAST AT 40 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE...PETERSHAM...WEST BROOKFIELD...NEW BRAINTREE...BARRE...BROOKFIELD...NORTH BROOKFIELD...EAST BROOKFIELD...OAKHAM...HUBBARDSTON...SPENCER... RUTLAND...PAXTON...LEICESTER...PRINCETON...HOLDEN...AUBURN...WEST BOYLSTON...STERLING...BOYLSTON...SHREWSBURY...CLINTON... LANCASTER...NORTHBOROUGH...BERLIN...WESTBOROUGH...BOLTON... HARVARD...HUDSON...MARLBOROUGH...HOPKINTON...SOUTHBOROUGH...STOW... BOXBOROUGH...ASHLAND...ACTON...MAYNARD...SUDBURY...WESTON... WELLESLEY...WAYLAND...SHERBORN...NATICK...LINCOLN...DOVER...CONCORD AND BEDFORD. A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCED WARNING. REMAIN CALM...BUT TAKE COVER NOW. GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. && LAT...LON 4252 7124 4221 7125 4219 7245 4252 7246 TIME...MOT...LOC 2044Z 268DEG 36KT 4237 7221 $$ BELK
2 follow-up statements
395 WWUS51 KBOX 012057 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 457 PM EDT WED JUN 1 2011 MAC011-013-015-017-021-027-012145- /O.CON.KBOX.SV.W.0014.000000T0000Z-110601T2145Z/ MIDDLESEX MA-WORCESTER MA-FRANKLIN MA-HAMPSHIRE MA-NORFOLK MA- HAMPDEN MA- 457 PM EDT WED JUN 1 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR NORTHEASTERN HAMPDEN...NORTH CENTRAL NORFOLK...SOUTHEASTERN HAMPSHIRE...SOUTHEASTERN FRANKLIN...CENTRAL WORCESTER AND CENTRAL MIDDLESEX COUNTIES... AT 450 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR BARRE...OR 18 MILES NORTHWEST OF WORCESTER...MOVING EAST AT 40 MPH. THIS STORM WAS SHOWING SIGNS OF STRENGTHENING AND COULD PRODUCE A TORNADO AT ANY TIME. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HUBBARDSTON...SPENCER...RUTLAND...PAXTON...LEICESTER...PRINCETON... HOLDEN...WEST BOYLSTON...LEOMINSTER...STERLING...BOYLSTON... SHREWSBURY...CLINTON...LANCASTER...NORTHBOROUGH...BERLIN... WESTBOROUGH...BOLTON...HARVARD...HUDSON...MARLBOROUGH...HOPKINTON... SOUTHBOROUGH...STOW...BOXBOROUGH...ASHLAND...ACTON...MAYNARD... FRAMINGHAM...SUDBURY...WESTON...WELLESLEY...WAYLAND...SHERBORN... NATICK...LINCOLN...DOVER...CONCORD AND BEDFORD PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. && LAT...LON 4252 7124 4221 7125 4219 7245 4252 7246 TIME...MOT...LOC 2055Z 268DEG 36KT 4237 7206 $$ BELK
433 WWUS51 KBOX 012141 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 541 PM EDT WED JUN 1 2011 MAC011-013-015-017-021-027-012152- /O.EXP.KBOX.SV.W.0014.000000T0000Z-110601T2145Z/ MIDDLESEX MA-WORCESTER MA-FRANKLIN MA-HAMPSHIRE MA-NORFOLK MA- HAMPDEN MA- 541 PM EDT WED JUN 1 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HAMPDEN...NORTH CENTRAL NORFOLK...SOUTHEASTERN HAMPSHIRE...SOUTHEASTERN FRANKLIN... CENTRAL WORCESTER AND CENTRAL MIDDLESEX COUNTIES WILL EXPIRE AT 545 PM EDT... A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE AND CENTRAL RHODE ISLAND. LAT...LON 4252 7124 4221 7125 4219 7245 4252 7246 TIME...MOT...LOC 2142Z 268DEG 36KT 4239 7142 $$ BELK
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 1, 4:18 PM EDT, 26 minutes earlier.
Area forecast discussion, Jun 1, 4:18 PM EDT, 26 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
418 PM EDT WED JUN 1 2011
.SYNOPSIS...
WARM AND HUMID CONDITIONS RETURN TODAY AHEAD OF AN APPROACHING
COLD FRONT. THIS WILL BRING SCATTERED THUNDERSTORMS...MAINLY
TO INTERIOR SOUTHERN NEW ENGLAND WHERE SOME STORMS MAY BE STRONG
TO SEVERE. THE FRONT WILL PUSH OFFSHORE TONIGHT WITH A COOLER
AIRMASS OVERSPREADING THE REGION THURSDAY AND FRIDAY. DRY AND LIGHT
WARMING SATURDAY. A WEAK FRONT MAY BRING SHOWERS SATURDAY NIGHT
AND SUNDAY. DRY CONDITIONS RETURN TUESDAY AND WEDNESDAY.
&&
.NEAR TERM /UNTIL 6 AM THURSDAY MORNING/...
LINE OF THUNDERSTORMS WITH HAIL UP TO 3/4 INCH DEVELOPED ACROSS E
MA/S NH EARLY THIS MORNING. SHOWERS/TSTMS MOVING ACROSS E COASTAL
MA/E RI THROUGH AROUND 15Z AS THEY EXIT THE COAST.
PREVIOUS DISCUSSIONS...
NOT MUCH CHANGE FROM PREVIOUS FORECAST. LINE OF CONVECTION ACROSS
NY STATE FIRING ON WARM FRONTAL BOUNDARY AND ON THE NOSE OF LOW-
MID LEVEL JET APPROACHING FROM ONTARIO. STORMS ARE BEGINNING TO
SHOW SIGNS OF WEAKENING AS LINE OF CONVECTION OUT RUNS GREATEST
DEEP LAYER SHEAR FARTHER TO THE WEST. THUS THESE STORMS WILL
LIKELY WEAKEN INTO A BROKEN LINE OF SHOWERS BY 8-9 AM ACROSS
WESTERN MA AND SOUTHWEST NH.
OTHER ITEM IS AREA OF DENSE FOG ACROSS LONG ISLAND/CT AND NOW
ADVECTING INTO RI WITH PVD DOWN TO 1/4 MILE. EXPECT THIS FOG TO
BURN OFF LATER THIS MORNING AS STRONG JUNE SUNSHINE GOES TO WORK
IN THE ABSENCE OF MID AND HIGH CLOUDS. PREVIOUS DISCUSSION BELOW.
SIGNIFICANT CHALLENGES OVER THE NEXT 12 HRS CONCERNING THE
CONVECTIVE POTENTIAL ALONG AND AHEAD OF A SFC COLD FRONT. LETS BEGIN
WITH THE STRAIGHT-FORWARD DETAILS...S/SW FLOW WILL INCREASE AHEAD OF
THE COLD FRONT WITH ANTICIPATED GUSTS AROUND 25 MPH ADVECTING VERY
WARM...MOIST AND SULTRY AIR ACROSS THE RGN...WITH DEWPOINTS RANGING
AROUND THE MID 60S. ANTICIPATING CONVECTIVE DEBRIS OUT OF THE GRT
LKS RGN TO DISSIPATE THANKS IN PART TO THE INFLUENTIAL SFC RIDGE OF
HIGH PRES GRADUALLY SLINKING SEWD...THOUGH THIS MAY NOT BE THE
CASE ACROSS UPSTATE NY INTO NRN NEW ENGLAND WHERE BETTER DYNAMICS
RESIDE. IN ADDITION PRESENT LOW CLOUDS ACROSS SRN NEW ENGLAND TO
MIX OUT AFTER SUNRISE...AS SUCH WOULD EXPECT AN ABUNDANCE OF
SUNSHINE...AND H925 TEMPS AVERAGING AROUND +22C AHEAD OF THE COLD
FRONT...TO ALLOW SFC TEMPS TO RISE INTO THE MID TO UPR 80S ACROSS
THE INTERIOR...WITH SOME LOCALES CLOSE TO 90...WHILE CLOSER TO
SHORE UPR 70S TO LOW 80S EXPECTED. YET...FOR THE MORNING
PERIOD...THERE IS STILL SOME LEVEL OF UNCERTAINTY AS THE MID-LVL
WARM FRONT LIFTS THRU THE RGN COUPLED WITH A REGION OF STRONG
MOIST CONVERGENCE AND ISENTROPIC LIFT AIDED BY STRONG SW FLOW...SO
CANT RULE OUT THE POTENTIAL FOR SOME DEVELOPING MID-LVL DECKS OUT
OF THE SW THRU THE MORNING PERIOD. THIS SW FLOW WILL ALSO ADVECT
MUCH WARMER AIR ACROSS THE RGN...AS PREV MENTIONED WITH THE +22C
AIR AT H925...ACTING TO EFFECTIVELY CAP THE LLVLS.
NOW TO SHIFT FOCUS TOWARDS THE PRESENT THINKING FOR TODAYS
CONVECTIVE OUTCOMES. WITH AFOREMENTIONED INVERSION HOVERING AROUND
H9...NOT ABSOLUTELY CONFIDENT THAT SFC TEMPS WILL WARM EFFECTIVELY
TO ALLOW FOR SFC BASED CONVECTION...RATHER FEEL ANY CONVECTION WILL
BE ELEVATED...OR RATHER FORCED BY THE APPROACHING COLD FRONT. CAPE
VALUES AVERAGE AROUND 2500 J/KG BY AFTN AS LAPSE RATES AT MID-LVLS
WILL BE FAIRLY STEEP AND WILL CONTINUE TO SEE STRONG THETAE
ADVECTION IN THE VICINITY OF THE H9 INVERSION. CAPE ITSELF...PER MDL
SKEW-T SOUNDINGS...STILL APPEARS TO BE FAIRLY TALL AND SKINNY
EMPHASIZING THE POTENTIAL FOR ENTRAINMENT OF DRIER AIR FROM THE
DEPARTING RIDGE OF HIGH PRES...AND WHETHER UPDRAFTS WILL MAINTAIN.
ALSO FEEL THE POSSIBILITY FOR LARGE HAIL WILL BE REDUCED AS SUCH. AS
TO SHEAR...BETTER DYNAMICS RESIDE WITH THE MAIN SHRTWV MAX AND
ATTENDANT H3 JET STREAK ACROSS NRN NEW ENGLAND. NEVERTHELESS 0-6KM
BULK SHEAR VALUES AVERAGE AROUND 40 KTS ACROSS THE FCST RGN...WITH
AN AVERAGE 30 KT FLOW AT 0-3 KM...AND DIRECTIONAL SHEAR FOR BOTH
LEVELS HAS A SUBSTANTIAL PERPENDICULAR COMPONENT TO THE SFC COLD
FRONT SUPPORTING A MORE DISCREET OUTCOME OVER A CONGLOMERATING
SQUALL-LINE SOLN...YET CANT RULE OUT THE DEVELOPMENT OF A
SQUALL-LINE LATE IN THE PERIOD. BOTH MDL SOUNDING HODOGRAPHS AND
0-1/0-3 KM HELICITY VALUES OF 200 M2/S2 SUPPORT THE POTENTIAL FOR
SUSTAINABLE ROTATING UPDRAFTS.
SO TAKING ALL POINTS INTO ACCOUNT...FEEL THERE IS STILL A FAIRLY
GOOD LIKELIHOOD OF A SEVERE WEATHER OUTCOME ALONG AND AHEAD OF THE
SFC COLD FRONT AS OUTLINED BY THE LATEST SPC DAY 1 CONVECTIVE
OUTLOOK. MAIN THREATS FOR TODAY WILL BE SMALL HAIL...FREQUENT
LIGHTNING...AND MOST IMPORTANTLY DAMAGING WINDS AS THERE IS LIKELY
TO BE STRONG MID-LVL SW FLOW RANGING AROUND 50 MPH THAT CAN EASILY
MIX DOWN TO THE SFC PER A STRONG DOWNWARD CORE OF PRECIP. WILL NEED
TO WATCH FOR PSBL LOCALIZED FLOODING FROM STRONG STORMS AS PWATS
ACROSS THE RGN WILL AVERAGE AROUND 1.5 INCHES. BETTER CHCS FOR
SEVERE WEATHER WILL LIKELY BE ACROSS THE INTERIOR AS COOLER MORE
STABLE AIR WILL BE PRESENT OVER SE NEW ENGLAND. MOST OF THE
CONVECTION WILL LIKELY OCCUR BEGINNING AROUND THE MIDDAY PERIOD INTO
THE AFTN.
&&
.SHORT TERM /6 AM THURSDAY MORNING THROUGH 6 PM THURSDAY/...
*TONIGHT...
SFC COLD FRONT WILL SLIDE OFFSHORE AND MOST OF THE CONVECTION SHOULD
DISSIPATE AS LLVLS COOL AND ELEVATED CONVECTION CHCS DISSIPATE AS
DRIER AIR AND HIGH PRES QUICKLY MOVE IN AT THE LOW LVLS IN WAKE OF
THE FRONT. STRONG CAA WILL ALSO PREVAIL WITH H925 TEMPS FALLING TO
AN AVERAGE OF +10C OVER THE FCST RGN WITH WINDS SHIFTING OUT OF THE
W/NW. WENT WITH THE COOLER SIDE OF MOS GUIDE WITH MINS FALLING INTO
THE LOW TO MID 50S THRU THE INTERIOR...WARMER TOWARDS THE SHORE.
*THURSDAY...
A CONSIDERABLY COOLER DAY AS HIGH PRES CONTINUES TO BUILD INTO THE
RGN WITH MUCH COOLER AIR. WITH COOLING AT MID-LVLS THIS WILL ACT TO
LOWER HEIGHTS RESULTING IN THE DEPARTING UPR LVL LOW AND ASSOC
VORTMAX TO DIG SWD THRU THE RGN. WILL SEE ATTENDANT CYCLONIC FLOW
AND COOL/MOIST AIR TO SPILL OVER THE RGN ALONG WITH AN ASSOC H3 JET
MAX SUPPORTING DIVERGENCE OVER THE RGN. AS SUCH ANTICIPATE THE
DEVELOPMENT OF A DENSE STRATOCU LAYER OVER THE RGN LIKELY LENDING TO
DECREASED WARMING THRU THE DAY...COULD POTENTIALLY SEE A COOLING
TREND...UNDER STRONG NW FLOW GUSTING AT TIMES 25 TO 30 MPH. CANT
RULE OUT THE POTENTIAL FOR DRIZZLE/LIGHT RAIN ESPECIALLY ALONG
HIGHER TERRAIN WHERE OROGRAPHIC FORCING WILL PLAY A SIGNIFICANT
ROLE. HAVE GONE WITH THE VERY LOW END OF MOS GUIDANCE WITH MAX TEMPS
RANGING IN THE LOW TO MID 60S FOR THE N/NW FCST RGN...WITH LOW 70S
ALONG THE SHORE.
&&
.LONG TERM /THURSDAY NIGHT THROUGH WEDNESDAY/...
OVERALL...
UPPER TROUGH OVER THE MARITIMES AND RIDGE OVER THE WESTERN GREAT
LAKES...THIS BRINGS A NORTHWEST FLOW ALOFT ACROSS NEW ENGLAND
FRIDAY. THE UPPER LOW DIPS SOUTH OVER THE WESTERN ATLANTIC DURING
THE WEEKEND AND CUTS OFF DURING THE WEEKEND. SHORTWAVE MOVING OVER
THE TOP OF THE RIDGE THEN SLIDES ACROSS NEW ENGLAND SATURDAY
NIGHT/SUNDAY. THE RIDGE THEN REBUILDS INTO THE NORTHEAST USA DURING
NEXT WEEK.
THE DAILIES/NIGHTLIES...
THURSDAY NIGHT...
UPPER LOW PRESSURE MOVES EAST TO THE MARITIMES. INTERESTING
DYNAMICS THAT MIGHT SUPPORT SHOWERS...BUT MOISTURE IS SUFFICIENTLY
LIMITED SO THAT CLOUDS LOOK TO BE THE MAIN PRODUCT. AS THE TROUGH
MOVES EAST...SO WILL THE CLOUDS. TEMPERATURES ARE A BLEND OF MOS.
FRIDAY-SATURDAY...
OVERALL A FAIR DAY. WE WILL BE ON THE EDGE OF THE CLOUDS...BUT
LOOKS LIKE ENOUGH OF A DRY NORTHWEST FLOW TO KEEP US MOSTLY CLEAR.
SOME CONCERN THAT CLOUDS FROM THE TROUGH MAY REFORM OVER OR CLOSE TO
EASTERN MASS. ANOTHER DRY DAY SATURDAY WITH HIGH PRESSURE OVER THE
REGION. INCREASING CIRRUS-LEVEL MOISTURE SO SOME HIGH CLOUDS ARE
EXPECTED. TEMPS ALOFT AT 6-7C ON FRIDAY WHICH SHOULD SUPPORT UPPER
60S AND LOWER 70S. TEMPS ALOFT SATURDAY WARM TO 8-10C WHICH WOULD
SUPPORT 70S AWAY FROM THE COAST.
SATURDAY NIGHT-SUNDAY-MONDAY...
WITH THE UPPER LOW TAKING POSITION OFFSHORE...THE UPPER FLOW TURNS
MOVE NORTH-SOUTH ACROSS NEW ENGLAND. THIS WOULD SLOW DOWN THE
ADVANCE OF WEATHER FROM THE WEST. SHORTWAVE APPROACHES THROUGH THE
GREAT LAKES SATURDAY NIGHT. WEAK ISENTROPIC LIFT IN THE WARM
ADVECTION FLOW...ROUGHLY 3-6 MB/HOUR...AND LIMITED MOISTURE. MUCH OF
THIS LOOKS TO SHIFT SOUTH THROUGH NEW YORK CITY-NEW JERSEY-PA...BUT
MAY CLIP OUR AREA ESPECIALLY THE CT VALLEY. TRAILING COLD FRONT
THEN DROPS SOUTH FROM QUEBEC ON SUNDAY. LIMITED MOISTURE IN THE
DATA...FOR NOW WE WILL STAY WITH SLIGHT CHANCE POPS. SYSTEM MOVES
OFF DURING MONDAY. TEMPS ARE A BLEND OF GMOS AND HPC VALUES.
TUESDAY-WEDNESDAY...
UPPER LOW LINGERS TO THE EAST WHILE WEAK HIGH SURFACE PRESSURE
BUILDS OVER THE REGION. WE HELD LOW-END POPS ACROSS SOUTHERN NH AND
NORTHERN MASS. TEMPS ARE A BLEND OF GMOS AND HPC VALUES.
&&
.AVIATION /20Z WEDNESDAY THROUGH MONDAY/...
FORECASTER CONFIDENCE LEVELS...
LOW...LESS THAN 30 PERCENT
MEDIUM...30 PERCENT TO 60 PERCENT
HIGH...GREATER THAN 60 PERCENT
REST OF TODAY...
MEDIUM CONFIDENCE IN OVERALL TRENDS...LOW TO MEDIUM CONFIDENCE IN
EXACT TIMING. EXPECT GRADUALLY CLEARING SKIES THROUGH AROUND 20Z
OVER WRN TERMINALS...THEN 21Z OR LATER AT ERN TERMINALS. AFTER
THIS POINT A COLD FRONT WILL PUSH SCT TSTMS THROUGH THE REGION.
BEST TIMING WILL BE THE 20Z TO 22Z TIMEFRAME FOR TERMINALS W OF
ORH...THEN 21Z TO 23Z FOR TERMINALS E OF ORH. CANNOT RULE OUT
POTENTIAL FOR GUSTY WINDS AND HAIL WITH THESE STORMS. CBS WILL
LIKELY LINGER INTO THE EVENING HOURS. OTHERWISE WINDS WILL REMAIN
GUSTY OUT OF THE SSW.
TONIGHT...
REMNANT TSTMS DISSIPATE AFTER SUNSET. OTHERWISE...EXPECT SOME
LINGERING MVFR CIGS AND VSBYS IN -SHRA AND FOG. SUSPECT MOSTLY A
LIFT TO VFR AFTER COLD FROPA AFTER MIDNIGHT SAVE FOR MAYBE CAPE
AND ISLANDS WHICH MAY SEE A REMNANT MVFR CIG OR VSBY INTO THE
EARLY MORNING HOURS. WINDS GRADUALLY SHIFTING TO THE W AROUND 10
KTS OVERNIGHT. MEDIUM CONFIDENCE.
THURSDAY...
HIGH CONFIDENCE VFR. EXPECT SCU DEVELOPMENT LATE MORNING AND
AFTERNOON WITH CIGS 4 OR 5 KFT. A POSSIBLE MVFR CIG OVER THE NW.
KBOS TERMINAL...
VFR TO CONTINUE FOR THE NEXT COUPLE OF HOURS THROUGH AROUND 21Z
WITH SSW WINGS GUSTING TO 25 KT ON OCCASION. AFTER THAT EXPECT
TSTM DEVELOPMENT NEAR OR OVER THE TERMINALS ESPECIALLY BETWEEN 21Z
AND 00Z. EXPECT MVFR AND IFR CIGS AND VSBYS WITH HEAVY
RAIN...GUSTY WINDS AND HAIL POSSIBLE WITH THESE STORMS. CONDITIONS
IMPROVE OVERNIGHT AFTER A COLD FRONT PUSHES THROUGH. EXPECT MOSTLY
VFR AFTER MIDNIGHT WITH WINDS SHIFTING THE W.
OUTLOOK...THURSDAY NIGHT THROUGH MONDAY...
GENERALLY VFR THROUGH THE PERIOD. MODERATE TO HIGH CONFIDENCE.
&&
.MARINE...
TODAY...
HAVE EXTENDED SCA FOR MUCH OF THE AREA BEGINNING PRIOR TO MIDDAY
WITH ANTICIPATION OF INCREASING S/SW FLOW WITH GUSTS AT OR ABOVE
25 KTS...ESPECIALLY CLOSER TO SHORE...RESULTING IN BUILDING SEAS
OF 5-6 FEET INTO THE AFTN. OF CONSIDERABLE NOTE WILL BE THE
POTENTIAL FOR THUNDERSTORMS...SOME OF WHICH MAY BE SEVERE...ALONG
AND AHEAD OF A COLD FRONT WHICH WILL SWEEP INTO THE WATERS BY LATE
AFTN AND INTO THE EVNG.
TONIGHT...
CONVECTIVE POTENTIAL WILL DISSIPATE AS COLD FRONT
SWEEPS OFFSHORE. SW WINDS TO SHIFT OUT OF THE W AND POTENTIALLY
GUST AT TIMES IMMEDIATELY IN WAKE OF THE COLD FRONT. WILL SEE A
LULL IN THE WINDS AFTERWARD TOWARDS MORNING...AND THERE IS THE
POTENTIAL FOR SEAS CLOSER TO SHORE TO FALL BELOW SCA
THRESHOLDS...BUT FEEL CONDITIONS WILL
THURSDAY...
CONTINUING SCA THRU THE WED NGT PD INTO THURS AS HIGH PRES BUILDS
INTO THE RGN AS A LOW PRES DIGS THRU ERN NEW ENGLAND...WILL SEE
STRONG W/NW WINDS GUSTING 25 TO 30 KTS AND SEAS BUILD TO 5-7 FEET
OVER THE WATERS.
OUTLOOK...THURSDAY NIGHT THROUGH SUNDAY...
LINGERING SMALL CRAFT ADVISORY CONDITIONS THURSDAY NIGHT AND
FRIDAY. WINDS AND SEAS BELOW SMALL CRAFT LEVELS SATURDAY THROUGH
MONDAY.
&&
.BOX WATCHES/WARNINGS/ADVISORIES...
CT...NONE.
MA...SMALL CRAFT ADVISORY UNTIL 8 PM EDT THURSDAY FOR MAZ023.
NH...NONE.
RI...NONE.
MARINE...SMALL CRAFT ADVISORY UNTIL 8 PM EDT THURSDAY FOR ANZ230>237-
250-251-254>256.
&&
SYNOPSIS...WTB/EVT
NEAR TERM...EVT
SHORT TERM...EVT
LONG TERM...WTB
AVIATION...WTB/EVT
MARINE...WTB/EVTHazardous weather outlook, Jun 1, 4:10 AM EDT, 12 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAUNTON MA 410 AM EDT WED JUN 1 2011 CTZ002>004-MAZ002>024-026-NHZ011-012-015-RIZ001>008-020815- 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- 410 AM EDT WED JUN 1 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...TODAY AND TONIGHT. THERE IS A LOW PROBABILITY OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EARLY EVENING. THE MAIN THREATS ARE STRONG TO DAMAGING WINDS AND LARGE HAIL. THE BEST CHANCE OF STRONG THUNDERSTORMS WILL BE ACROSS INTERIOR SECTIONS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. NO HAZARDOUS WEATHER EXPECTED. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. ANZ230>237-250-251-254>256-020815- 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- 410 AM EDT WED JUN 1 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS AND RHODE ISLAND COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. A FEW STRONG THUNDERSTORMS WITH GUSTY WINDS ARE POSSIBLE ACROSS THE WATERS THIS AFTERNOON AND EARLY EVENING. THE GREATEST CHANCE WILL BE ACROSS THE NORTHERN WATERS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. NO HAZARDOUS WEATHER EXPECTED. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. NOCERA
In the hours before
Special weather statement, Jun 1, 2:58 PM EDT, 1 hour 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
258 PM EDT WED JUN 1 2011
MAZ002>004-008>011-012000-
EASTERN FRANKLIN MA-EASTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-NORTHERN
WORCESTER MA-WESTERN FRANKLIN MA-WESTERN HAMPDEN MA-WESTERN HAMPSHIRE
MA-
258 PM EDT WED JUN 1 2011
AT 254 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH AND UP
TO NICKEL SIZED HAIL 11 MILES WEST OF MIDDLEFIELD...OR ABOUT 26 MILES
SOUTH OF NORTH ADAMS...MOVING EAST AT 40 MPH.
* SOME LOCATIONS AFFECTED INCLUDE...MIDDLEFIELD...CHESTER...
BLANDFORD...EAST WINDSOR...HUNTINGTON...WORTHINGTON...RUSSELL...
CUMMINGTON...MONTGOMERY...CHESTERFIELD...WESTHAMPTON...GOSHEN...
SOUTHAMPTON...EASTHAMPTON...WILLIAMSBURG...HOLYOKE...NORTHAMPTON...
CONWAY...HATFIELD...SOUTH HADLEY...WHATELY...HADLEY...GRANBY...
SUNDERLAND...DEERFIELD...AMHERST...MONTAGUE...LEVERETT...
BELCHERTOWN...PELHAM...SHUTESBURY...WENDELL...WARE...ORANGE AND NEW
SALEM.
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.
THIS STORM WAS PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING. GET
INDOORS OR INSIDE A VEHICLE NOW! IF YOU ARE CAUGHT OUTSIDE...STAY
AWAY FROM ISOLATED TALL OBJECTS SUCH AS TREES. AVOID OPEN AREAS SUCH
AS GOLF COURSES AND BALL FIELDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE
AND CENTRAL RHODE ISLAND.
&&
LAT...LON 4239 7302 4249 7299 4261 7228 4220 7220
4217 7303 4225 7301 4230 7301 4231 7303
4233 7307 4239 7307
DOODYLocal storm report, Jun 1, 3:20 PM EDT, 1 hour 24 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
320 PM EDT WED JUN 01 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0815 AM HAIL HUDSON 42.76N 71.43W
06/01/2011 E0.75 INCH HILLSBOROUGH NH CO-OP OBSERVER
0825 AM HAIL MAYNARD 42.43N 71.46W
06/01/2011 E0.75 INCH MIDDLESEX MA TRAINED SPOTTER
0900 AM HAIL NORTH READING 42.58N 71.08W
06/01/2011 M1.00 INCH MIDDLESEX MA HAM RADIO
HILLVIEW COUNTRY CLUB
0905 AM HAIL GEORGETOWN 42.73N 70.98W
06/01/2011 E0.75 INCH ESSEX MA AMATEUR RADIO
0910 AM HAIL PAWTUCKET 41.87N 71.37W
06/01/2011 E0.75 INCH PROVIDENCE RI PUBLIC
0925 AM HAIL FREETOWN 41.82N 71.05W
06/01/2011 M0.75 INCH BRISTOL MA HAM RADIO
0307 PM HAIL SWANZEY 42.87N 72.28W
06/01/2011 M0.75 INCH CHESHIRE NH HAM RADIO
HAM RADIO
0312 PM HAIL KEENE 42.93N 72.28W
06/01/2011 M0.75 INCH CHESHIRE NH HAM RADIO
HAM RADIO
0314 PM HAIL KEENE 42.93N 72.28W
06/01/2011 M1.00 INCH CHESHIRE NH HAM RADIO
HAM RADIO
0316 PM HAIL KEENE 42.95N 72.30W
06/01/2011 E1.50 INCH CHESHIRE NH TRAINED SPOTTER
0317 PM HAIL KEENE 42.95N 72.30W
06/01/2011 E0.75 INCH CHESHIRE NH TRAINED SPOTTER
REPORTED FROM PARK AVENUE
&&
123Local storm report, Jun 1, 3:30 PM EDT, 1 hour 14 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
330 PM EDT WED JUN 01 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0815 AM HAIL HUDSON 42.76N 71.43W
06/01/2011 E0.75 INCH HILLSBOROUGH NH CO-OP OBSERVER
0825 AM HAIL MAYNARD 42.43N 71.46W
06/01/2011 E0.75 INCH MIDDLESEX MA TRAINED SPOTTER
0900 AM HAIL NORTH READING 42.58N 71.08W
06/01/2011 M1.00 INCH MIDDLESEX MA HAM RADIO
HILLVIEW COUNTRY CLUB
0905 AM HAIL GEORGETOWN 42.73N 70.98W
06/01/2011 E0.75 INCH ESSEX MA AMATEUR RADIO
0910 AM HAIL PAWTUCKET 41.87N 71.37W
06/01/2011 E0.75 INCH PROVIDENCE RI PUBLIC
0925 AM HAIL FREETOWN 41.82N 71.05W
06/01/2011 M0.75 INCH BRISTOL MA HAM RADIO
0307 PM HAIL SWANZEY 42.87N 72.28W
06/01/2011 M0.75 INCH CHESHIRE NH HAM RADIO
HAM RADIO
0312 PM HAIL KEENE 42.93N 72.28W
06/01/2011 M0.75 INCH CHESHIRE NH HAM RADIO
HAM RADIO
0314 PM HAIL KEENE 42.93N 72.28W
06/01/2011 M1.00 INCH CHESHIRE NH HAM RADIO
HAM RADIO
0316 PM HAIL KEENE 42.95N 72.30W
06/01/2011 E1.50 INCH CHESHIRE NH TRAINED SPOTTER
0316 PM HAIL KEENE 42.95N 72.30W
06/01/2011 E1.75 INCH CHESHIRE NH TRAINED SPOTTER
0317 PM HAIL KEENE 42.95N 72.30W
06/01/2011 E0.75 INCH CHESHIRE NH TRAINED SPOTTER
REPORTED FROM PARK AVENUE
0320 PM HAIL KEENE 42.93N 72.28W
06/01/2011 M1.00 INCH CHESHIRE NH NONE
0321 PM HAIL KEENE 42.93N 72.28W
06/01/2011 M1.50 INCH CHESHIRE NH HAM RADIO
HAM RADIO
0326 PM HAIL KEENE 42.95N 72.30W
06/01/2011 E1.75 INCH CHESHIRE NH LAW ENFORCEMENT
&&
123Special weather statement, Jun 1, 3:55 PM EDT, 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
355 PM EDT WED JUN 1 2011
NHZ011-012030-
CHESHIRE NH-
355 PM EDT WED JUN 1 2011
AT 350 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH AND
PENNY SIZED HAIL OVER WESTMORELAND...OR ABOUT 9 MILES WEST OF
KEENE...MOVING EAST AT 35 MPH.
* SOME LOCATIONS AFFECTED INCLUDE...SURRY...KEENE AND GILSUM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE
AND CENTRAL RHODE ISLAND.
&&
LAT...LON 4288 7222 4289 7254 4292 7253 4296 7254
4298 7248 4299 7247 4301 7245 4302 7247
4305 7247 4307 7246 4308 7224
BELKLocal storm report, Jun 1, 4:01 PM EDT, 43 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
401 PM EDT WED JUN 01 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0815 AM HAIL HUDSON 42.76N 71.43W
06/01/2011 E0.75 INCH HILLSBOROUGH NH CO-OP OBSERVER
0825 AM HAIL MAYNARD 42.43N 71.46W
06/01/2011 E0.75 INCH MIDDLESEX MA TRAINED SPOTTER
0900 AM HAIL NORTH READING 42.58N 71.08W
06/01/2011 M1.00 INCH MIDDLESEX MA HAM RADIO
HILLVIEW COUNTRY CLUB
0905 AM HAIL GEORGETOWN 42.73N 70.98W
06/01/2011 E0.75 INCH ESSEX MA AMATEUR RADIO
0910 AM HAIL PAWTUCKET 41.87N 71.37W
06/01/2011 E0.75 INCH PROVIDENCE RI PUBLIC
0925 AM HAIL FREETOWN 41.82N 71.05W
06/01/2011 M0.75 INCH BRISTOL MA HAM RADIO
0307 PM HAIL SWANZEY 42.87N 72.28W
06/01/2011 M0.75 INCH CHESHIRE NH AMATEUR RADIO
0312 PM HAIL KEENE 42.93N 72.28W
06/01/2011 M0.75 INCH CHESHIRE NH AMATEUR RADIO
WEST STREET OVERPASS
0314 PM HAIL KEENE 42.93N 72.28W
06/01/2011 M1.00 INCH CHESHIRE NH AMATEUR RADIO
WINCHESTER STREET AREA
0316 PM HAIL KEENE 42.95N 72.30W
06/01/2011 E1.50 INCH CHESHIRE NH TRAINED SPOTTER
0316 PM HAIL KEENE 42.95N 72.30W
06/01/2011 E1.75 INCH CHESHIRE NH TRAINED SPOTTER
0317 PM HAIL KEENE 42.95N 72.30W
06/01/2011 E0.75 INCH CHESHIRE NH TRAINED SPOTTER
REPORTED FROM PARK AVENUE
0320 PM HAIL KEENE 42.93N 72.28W
06/01/2011 M1.00 INCH CHESHIRE NH CO-OP OBSERVER
0321 PM HAIL KEENE 42.93N 72.28W
06/01/2011 M1.50 INCH CHESHIRE NH AMATEUR RADIO
TANGLEWOOD ESTATES AREA OF W KEENE
0323 PM TSTM WND DMG DEERFIELD 42.55N 72.60W
06/01/2011 FRANKLIN MA AMATEUR RADIO
TREES DOWN ON ROUTE 116 AND HILLSIDE ROAD
0326 PM HAIL KEENE 42.95N 72.30W
06/01/2011 E1.75 INCH CHESHIRE NH LAW ENFORCEMENT
0332 PM HAIL HUNTINGTON 42.24N 72.88W
06/01/2011 M1.00 INCH HAMPSHIRE MA AMATEUR RADIO
0332 PM HAIL CHESTERFIELD 99.99N 999.99W
06/01/2011 M1.00 INCH HAMPDEN MA HAM RADIO
HAM RADIO
0342 PM HAIL PLAINFIELD 42.52N 72.92W
06/01/2011 E0.75 INCH HAMPSHIRE MA TRAINED SPOTTER
0346 PM HAIL NORTHAMPTON 42.33N 72.64W
06/01/2011 M1.25 INCH HAMPSHIRE MA HAM RADIO
HAM RADIO
0350 PM HAIL NORTHAMPTON 42.33N 72.68W
06/01/2011 E1.75 INCH HAMPSHIRE MA FIRE DEPT/RESCUE
PER FIRE CHIEF VIA RELAYED MEDIA
0358 PM TSTM WND DMG NORTHAMPTON 42.33N 72.68W
06/01/2011 HAMPSHIRE MA TRAINED SPOTTER
TREE DOWN ON CAR ON WALNUT ST
&&
123Local storm report, Jun 1, 4:33 PM EDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
433 PM EDT WED JUN 01 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0430 PM TORNADO WESTFIELD 42.14N 72.76W
06/01/2011 HAMPDEN MA LAW ENFORCEMENT
POSSIBLE TORNADO TOUCHDOWN IN SHAKER ROAD AREA.
&&
AEDThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 8:25 AM EDT | Special Weather Statement | BOX | Middlesex | 50 min |
| Jun 1, 8:32 AM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex | 43 min |
| Jun 1, 8:48 AM EDT | Special Weather Statement | BOX | Suffolk | 42 min |
| Jun 1, 8:50 AM EDT | Special Marine Warning | BOX | 71 min | |
| Jun 1, 8:55 AM EDT | Special Weather Statement | BOX | Bristol | 50 min |
| Jun 1, 9:12 AM EDT | Special Weather Statement | BOX | Plymouth | 48 min |
| Jun 1, 9:40 AM EDT | Special Marine Warning | BOX | 50 min | |
| Jun 1, 9:41 AM EDT | Special Marine Warning | BOX | 64 min | |
| Jun 1, 10:00 AM EDT | Special Marine Warning | BOX | 39 min | |
| Jun 1, 10:22 AM EDT | Special Weather Statement | BOX | Barnstable | 38 min |
| Jun 1, 10:36 AM EDT | Special Marine Warning | BOX | 54 min | |
| Jun 1, 2:37 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 53 min |
| Jun 1, 2:58 PM EDT | Special Weather Statement | BOX | Hampshire | 62 min |
| Jun 1, 3:09 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 51 min |
| Jun 1, 3:28 PM EDT | Tornado Warning | BOX | Franklin, Hampden, Hampshire | 32 min |
| Jun 1, 3:32 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Middlesex, Worcester | 40 min |
| Jun 1, 3:56 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire | 3 hr |
| Jun 1, 4:05 PM EDT | Tornado Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 40 min |
| Jun 1, 4:15 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire, Worcester | 3 hr |
| Jun 1, 4:18 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire, Worcester | 42 min |
| Jun 1, 4:30 PM EDT | Tornado Warning | BOX | Hampden, Hampshire, Worcester | 45 min |
| Jun 1, 4:51 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampshire, Worcester | 3 hr |
| Jun 1, 5:01 PM EDT | Tornado Warning | BOX | Franklin, Hampden, Hampshire, Middlesex, Norfolk, Worcester | 44 min |
| Jun 1, 5:06 PM EDT | Areal Flood Advisory | BOX | Hampden, Worcester | 3 hr |
| Jun 1, 5:17 PM EDT | Flash Flood Warning | BOX | Middlesex, Worcester | 3 hr |
| Jun 1, 5:17 PM EDT | Tornado Warning | BOX | Hampden, Norfolk, Worcester | 29 min |
| Jun 1, 5:38 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk, Worcester | 67 min |
| Jun 1, 5:46 PM EDT | Tornado Warning | BOX | Middlesex, Norfolk, Worcester | 44 min |
| Jun 1, 5:49 PM EDT | Flash Flood Warning | BOX | Bristol, Middlesex, Norfolk, Worcester | 3 hr |
| Jun 1, 5:54 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 52 min |
| Jun 1, 5:57 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 26 min |
| Jun 1, 6:00 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 45 min |
| Jun 1, 6:07 PM EDT | Tornado Warning | BOX | Hampden, Hampshire, Worcester | 53 min |
| Jun 1, 6:20 PM EDT | Special Marine Warning | BOX | 28 min | |
| Jun 1, 6:29 PM EDT | Areal Flood Advisory | BOX | Bristol, Norfolk, Plymouth, Suffolk | 2 hr |
| Jun 1, 6:31 PM EDT | Special Weather Statement | BOX | Norfolk | 59 min |
| Jun 1, 6:44 PM EDT | Special Weather Statement | BOX | Bristol, Plymouth | 61 min |
| Jun 1, 6:44 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Middlesex, Worcester | 30 min |
| Jun 1, 6:57 PM EDT | Tornado Warning | BOX | Hampden, Worcester | 63 min |
| Jun 1, 7:12 PM EDT | Tornado Warning | BOX | Franklin, Middlesex, Worcester | 48 min |
| Jun 1, 7:14 PM EDT | Special Marine Warning | BOX | 91 min | |
| Jun 1, 7:15 PM EDT | Areal Flood Advisory | BOX | Franklin, Middlesex, Worcester | 104 min |
| Jun 1, 7:55 PM EDT | Special Weather Statement | BOX | Bristol | 35 min |
| Jun 1, 7:56 PM EDT | Special Weather Statement | BOX | Hampden | 34 min |
| Jun 1, 7:57 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Middlesex, Norfolk, Plymouth, Suffolk, Worcester | 24 min |
| Jun 1, 7:59 PM EDT | Areal Flood Advisory | BOX | Hampden, Hampshire, Worcester | 66 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2011Every severe thunderstorm warning 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.