Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 79, NWS Boston/Norton, MA

July 28, 2014Middlesex County, Worcester County, Massachusetts; Hillsborough County, New Hampshire

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 28, 2014, 4:17 PM EDT for Middlesex County, Worcester County, Massachusetts; Hillsborough County, New Hampshire. It was in force for 43 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
Jul 28, 2014, 4:17 PM EDT (20:17 UTC)
Expired
Jul 28, 2014, 5:00 PM EDT
In force
43 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon

Counties Middlesex County, MA, Worcester County, MA, Hillsborough County, NH

The radar

The Boston radar (KBOX), 83 km from the middle of the area, began a volume at 20:18 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.

IssuedProductOfficeLasted
Jul 28, 2:07 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.3 hours before the alert went out and 170 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, Albany, NY at 12:00Z on 2014-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 76 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2014-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.19395878Sfc1 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
76 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
552 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

686 
WUUS51 KBOX 282017
SVRBOX
MAC017-027-NHC011-282100-
/O.NEW.KBOX.SV.W.0079.140728T2017Z-140728T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
417 PM EDT MON JUL 28 2014

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN WORCESTER COUNTY IN CENTRAL MASSACHUSETTS...
  NORTHWESTERN MIDDLESEX COUNTY IN NORTHEAST MASSACHUSETTS...
  SOUTH CENTRAL HILLSBOROUGH COUNTY IN SOUTHERN NEW HAMPSHIRE...

* UNTIL 500 PM EDT

* AT 417 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH. THIS STORM WAS LOCATED OVER PRINCETON...OR 7 MILES
  SOUTHWEST OF LEOMINSTER...AND WAS MOVING NORTHEAST AT 30 MPH.

* SOME LOCATIONS IMPACTED INCLUDE...
  LOWELL...NASHUA...LEOMINSTER...FITCHBURG...CHELMSFORD...WESTFORD...
  GARDNER...HOLDEN...MILFORD...PEPPERELL...TYNGSBOROUGH...GROTON...
  LUNENBURG...TOWNSEND...LITTLETON...LANCASTER...RUTLAND...
  STERLING...HOLLIS AND WEST BOYLSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO
INDOORS AND STAY AWAY FROM WINDOWS.  DRIVERS SHOULD PREPARE FOR LOW
VISIBILITY AND AVOID FLOODED ROADS.

&&

LAT...LON 4236 7187 4248 7204 4288 7173 4260 7130
TIME...MOT...LOC 2017Z 234DEG 25KT 4246 7190 
$$

KJC
2 follow-up statements
844 
WWUS51 KBOX 282030
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
430 PM EDT MON JUL 28 2014

MAC017-027-NHC011-282100-
/O.CON.KBOX.SV.W.0079.000000T0000Z-140728T2100Z/
WORCESTER MA-MIDDLESEX MA-HILLSBOROUGH NH-
430 PM EDT MON JUL 28 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR NORTHEASTERN WORCESTER...NORTHWESTERN MIDDLESEX AND SOUTH CENTRAL
HILLSBOROUGH COUNTIES...

AT 429 PM EDT...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 LEOMINSTER...MOVING NORTHEAST AT 30
MPH.

LOCATIONS IMPACTED INCLUDE...
LOWELL...NASHUA...LEOMINSTER...FITCHBURG...CHELMSFORD...WESTFORD...
GARDNER...MILFORD...PEPPERELL...TYNGSBOROUGH...GROTON...LUNENBURG...
TOWNSEND...LITTLETON...LANCASTER...STERLING...HOLLIS...WEST
BOYLSTON...AYER AND WESTMINSTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND DESTRUCTIVE HAIL. GO
INSIDE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. DRIVERS SHOULD EXPECT POOR VISIBILITY AND AVOID FLOODED
ROADS.

&&

LAT...LON 4239 7179 4255 7198 4288 7173 4260 7130
TIME...MOT...LOC 2029Z 228DEG 24KT 4252 7183 

$$

DUNTEN
368 
WWUS51 KBOX 282055 RRA
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
455 PM EDT MON JUL 28 2014

MAC017-027-NHC011-282105-
/O.EXP.KBOX.SV.W.0079.000000T0000Z-140728T2100Z/
WORCESTER MA-MIDDLESEX MA-HILLSBOROUGH NH-
455 PM EDT MON JUL 28 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WORCESTER...
NORTHWESTERN MIDDLESEX AND SOUTH CENTRAL HILLSBOROUGH COUNTIES WILL
EXPIRE AT 500 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER GUSTY WINDS
ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4239 7179 4255 7198 4288 7173 4260 7130
TIME...MOT...LOC 2052Z 234DEG 25KT 4252 7183 

$$

DUNTEN

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 Jul 28, 3:05 PM EDT, 1 hour 12 minutes earlier.

Area forecast discussion, Jul 28, 3:05 PM EDT, 1 hour 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
305 PM EDT MON JUL 28 2014

.SYNOPSIS...
A RATHER STRONG AREA OF LOW PRESSURE BY JULY STANDARDS WILL MOVE
ACROSS NORTHERN NEW ENGLAND THIS EVENING WITH ITS ATTENDING COLD
FRONT SWEEPING ACROSS THE REGION LATER TONIGHT AND THEN OFFSHORE
TUE. MAINLY DRY AND LESS HUMID WEATHER FOLLOWS FOR THE REMAINDER
OF THIS WORK WEEK. THIS WEEKEND AN OFFSHORE FRONT MAY BUILD BACK
INTO NEW ENGLAND ALONG WITH A WAVE OF LOW PRESSURE. THIS WILL
RESULT IN THE RISK OF SHOWERS AND MORE HUMID WEATHER.

&&

.NEAR TERM /THROUGH TONIGHT/...
*** FEW STRONG/SEVERE STORMS THIS AFTERNOON ***

LATEST MESOANALYSIS SHOWING IN EXCESS OF 1000 J/KG MEAN LAYER CAPE
ACROSS ALL OF SOUTHERN NEW ENGLAND. SURFACE-BASED CAPE VALUES WERE
APPROACHING 2000 J/KG. IN ADDITION TO THIS FAIRLY POTENT
INSTABILITY...EFFECTIVE SHEAR VALUES OF 30-45 KT WERE OBSERVED.
ALL THESE INGREDIENTS POINT TO THE DEVELOPMENT OF SHOWERS AND
SCATTERED THUNDERSTORMS THIS AFTERNOON. THE MAIN THREATS WILL BE
DAMAGING WINDS AND LOCALLY HEAVY RAINFALL. CANNOT COMPLETELY RULE
OUT THE RISK FOR LARGE HAIL OR AN ISOLATED TORNADO. A SEVERE
THUNDERSTORM WATCH HAS BEEN ISSUED UNTIL 8 PM. WE ARE MONITORING.

ONCE STORMS DIMINISH THIS EVENING...EXPECTING A COLD FRONT TO
FINALLY PUSH OFFSHORE AFTER MIDNIGHT. THIS SHOULD MEAN LESS HUMID
AIR ARRIVES LATE TONIGHT...ALONG WITH DRIER AIR AND CLEARER SKIES.
DEPENDING UPON THE TIMING OF THE CLEARING...AND THE AMOUNT OF
LEFTOVER LOW-LEVEL HUMIDITY...THERE COULD BE SOME AREAS OF FOG IN
THE USUAL VALLEYS FOR THE MORNING COMMUTE.

&&

.SHORT TERM /TUESDAY THROUGH TUESDAY NIGHT/...
RIDGE OF HIGH PRESSURE BUILDS OVER NEW ENGLAND TUESDAY...RESULTING
IN PLENTY OF SUNSHINE. NOT MUCH OF AIRMASS CHANGE SO HIGHS ONCE
AGAIN SHOULD TOP OFF IN 70S TO AROUND 80 BUT WITH SIGNIFICANTLY
LOWER HUMIDITY. WEAK GRADIENT SUPPORTS AFTERNOON SEA BREEZES
ALONG BOTH COASTS. DRY WEATHER CONTINUES INTO TUESDAY NIGHT.

&&

.LONG TERM /WEDNESDAY THROUGH SUNDAY/...

HIGHLIGHTS...

* MAINLY DRY/QUIET AND SEASONABLE WEATHER WED THRU FRI
* POSSIBLY UNSETTLED AND MORE HUMID THIS WEEKEND

WEDNESDAY THRU FRIDAY...

LONG WAVE TROUGH REMAINS OVER THE NORTHEAST EARLY THIS PERIOD
HOWEVER THE MEAN MID LEVEL TROUGH AXIS IS FAR ENOUGH EAST TO KEEP
THE DEEP PLUME OF SUBTROPICAL MOISTURE OFFSHORE. THUS MAINLY DRY
WEATHER WILL PREVAIL WED THRU FRI. HOWEVER GIVEN COOL TEMPS ALOFT
COMBINED WITH CYCLONIC MID LEVEL FLOW CAN/T RULE OUT A LOW RISK OF A
FEW DIURNAL SHOWERS/T-STORMS INLAND.

AS FOR TEMPS...GIVEN THE BELOW NORMAL 500 HEIGHTS EXPECT LATE
JULY/EARLY AUG SUN ANGLE TO PROVIDE MILD DAYS BUT DEW PTS IN THE 50S
WILL YIELD COMFORTABLY COOL NIGHTS.

THIS WEEKEND...

NORTHEAST TROUGH RETROGRADES TO THE MS VLY THIS WEEKEND. THIS OPENS
THE DOOR FOR TROPICAL MOISTURE AND THE OFFSHORE FRONT TO BACK INTO
NEW ENGLAND...ESPECIALLY EASTERN MA AND RI. THIS WILL INCREASE THE
RISK FOR SHOWERS AND T-STORMS ALONG WITH MORE HUMID CONDITIONS.

&&

.AVIATION /19Z MONDAY THROUGH SATURDAY/...
FORECASTER CONFIDENCE LEVELS...

LOW...LESS THAN 30 PERCENT.
MODERATE...30 TO 60 PERCENT.
HIGH...GREATER THAN 60 PERCENT.

HIGH CONFIDENCE IN TRENDS TONIGHT AND TUESDAY. MODERATE CONFIDENCE
IN TIMING.

MAINLY VFR ACROSS SOUTHERN NEW ENGLAND THIS AFTERNOON AND EVENING.
SCATTERED MVFR IN LOW CLOUDS TOWARDS THE SOUTH COAST. EXPECTING
MORE MVFR...AND POSSIBLY BRIEF IFR...IN SCATTERED SHRA/TSRA
THROUGH 29/00Z. A FEW STORMS MAY PRODUCE STRONG OR DAMAGING WIND
GUSTS.

IMPROVING CONDITIONS TO VFR AFTER 00Z TUE...ALTHOUGH PATCHY
MVFR/IFR POSSIBLE IN FOG. VFR TUE WITH AFTERNOON SEA BREEZES.
MAINLY VFR TUE NIGHT.

KBOS TAF...MODERATE CONFIDENCE IN TAF. MOST TSRA SHOULD REMAIN W
OF AIRPORT THROUGH 29/00Z.

KBDL TAF...MODERATE CONFIDENCE IN TAF. TS MOST LIKELY THROUGH
28/22Z.

OUTLOOK...WEDNESDAY THROUGH SATURDAY...HIGH CONFIDENCE THRU FRI
THEN LOWER CONFIDENCE INTO THIS WEEKEND.

VFR EXPECT A LOW RISK FOR PATCHY IFR IN EARLY MORNING FOG EACH DAY.
MVFR CIGS/VSBYS IN WIDELY SCATTERED AFTERNOON TSTMS MAINLY WEST OF
MHT AND ORH. BY SAT CHANCE OF MVFR/IFR COMING ONSHORE INTO EASTERN
MA AND RI ALONG WITH THREAT OF SHOWERS. MARGINAL VFR-MVFR LIKELY
ELSEWHERE.

&&

.MARINE...
FORECASTER CONFIDENCE LEVELS...

LOW...LESS THAN 30 PERCENT.
MODERATE...30 TO 60 PERCENT.
HIGH...GREATER THAN 60 PERCENT.

MODERATE CONFIDENCE THROUGH TUE NIGHT. MAIN CONCERN IS FOR ROUGH
SEAS ON SOUTH COASTAL WATERS...WHERE SMALL CRAFT ADVISORY CONTINUES
INTO TUESDAY. A COLD FRONT APPROACHES WATERS TONIGHT...BUT
EXPECTING ANOTHER ROUND OF PATCHY DENSE FOG...AT LEAST EARLY
TONIGHT BEFORE DRIER AIR ARRIVES LATE. HIGH PRESSURE BUILDS OVER
THE WATERS TUESDAY...WITH LIGHT WINDS AND AFTERNOON SEA BREEZES.
SEAS SLOWLY SUBSIDE OFFSHORE.

OUTLOOK...WEDNESDAY THROUGH SATURDAY...MODERATE CONFIDENCE.

FAIRLY LIGHT WINDS AND SEAS WED THRU FRI THEN SE WINDS POSSIBLY
INCREASING SAT PENDING STRENGTH AND TRACK OF FRONTAL WAVE MOVING NE
FROM THE MID ATLC. FAIR VSBY WED THRU FRI THEN POSSIBLY LOWERING SAT
IN SHOWERS AND FOG.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...NONE.
MA...NONE.
NH...NONE.
RI...NONE.
MARINE...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS UNTIL 2 PM EDT TUESDAY
     FOR ANZ235-237-250-254>256.

&&

SYNOPSIS...BELK/NOCERA
NEAR TERM...BELK
SHORT TERM...BELK
LONG TERM...NOCERA
AVIATION...BELK/NOCERA
MARINE...BELK/NOCERA
Hazardous weather outlook, Jul 28, 2:25 PM EDT, 1 hour 52 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
225 PM EDT MON JUL 28 2014

CTZ002>004-MAZ002>016-026-NHZ011-012-015-RIZ001-002-291830-
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 MIDDLESEX MA-CHESHIRE NH-
EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-
225 PM EDT MON JUL 28 2014

...SEVERE THUNDERSTORM WATCH 452 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...ALL
OF MASSACHUSETTS EXCEPT SOUTHEASTERN PORTIONS AND BERKSHIRE
COUNTY...SOUTHERN NEW HAMPSHIRE AND NORTHERN RHODE ISLAND.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

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

   SEVERE THUNDERSTORM WATCH.

SOME THUNDERSTORMS MAY PRODUCE STRONG TO DAMAGING WIND GUSTS...AS
WELL AS LOCALLY HEAVY DOWNPOURS THAT CAUSE URBAN AND POOR DRAINAGE
FLOODING. THE GREATEST RISK FOR THIS WILL BE NORTH AND WEST OF
INTERSTATE 495.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

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.

MAZ017>024-RIZ003>008-291830-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-
WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
225 PM EDT MON JUL 28 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN
MASSACHUSETTS...NORTHERN RHODE ISLAND AND SOUTHERN RHODE ISLAND.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS ARE POSSIBLE. LOCALLY
HEAVY DOWNPOURS THAT CAUSE URBAN AND POOR DRAINAGE FLOODING ARE
THE GREATEST RISK.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

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>256-291830-
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-
225 PM EDT MON JUL 28 2014

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS THE WATERS LATE THIS
AFTERNOON AND EVENING. SOME THUNDERSTORMS MAY PRODUCE WIND GUSTS
TO GALE FORCE. POOR VISIBILITY IN HEAVY DOWNPOURS IS ALSO
POSSIBLE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

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.

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON

In the hours before

Local storm report, Jul 28, 12:11 PM EDT, 4 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
1211 PM EDT MON JUL 28 2014

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

0654 AM     LIGHTNING        BUCKLAND                42.60N  72.78W
07/28/2014                   FRANKLIN           MA   AMATEUR RADIO

            TREE ON HOUSE DUE TO LIGHTNING.

0903 AM     FLASH FLOOD      FRAMINGHAM              42.31N  71.44W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            FLOODING INTO THE ENTRY WAY OF THE MEDITECH BLDG.

0915 AM     FLASH FLOOD      WALTHAM                 42.39N  71.24W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            PROSPECT STREET FLOODED AND IMPASSABLE.

0930 AM     LIGHTNING        LEXINGTON               42.45N  71.23W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            LIGHTNING STRIKE ON TODD ROAD WITH SMOKE SHOWING IN THE
            ATTIC.

0932 AM     FLASH FLOOD      WAKEFIELD               42.50N  71.07W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            FLOODING ON GROVE STREET WITH WATER LAPING ONTO THE
            HOOD OF A POLICE CRUISER.

0933 AM     FLASH FLOOD      BOSTON                  42.32N  71.07W
07/28/2014                   SUFFOLK            MA   AMATEUR RADIO

            SPRING STREET CLOSED DUE TO 2 CARS STUCK IN FLOOD
            WATERS. OCCUPANTS TRAPPED.

0935 AM     FLASH FLOOD      NATICK                  42.28N  71.35W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            SPEEN STREET FLOODED UP TO THE GRILL LEVEL OF A
            VEHICLE.

0936 AM     FLASH FLOOD      NATICK                  42.28N  71.35W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            6 TO 12 INCHES OF WATER FLOODING ROUTE 9 ON THE
            WELLESLEY NATICK LINE.

0936 AM     FLASH FLOOD      NATICK                  42.28N  71.35W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            ROUTE 9 EASTBOUND AT ROUTE 27 FLOODED AND IMPASSABLE
            WITH CARS TURNING AROUND.

0940 AM     FLASH FLOOD      BELMONT                 42.40N  71.17W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            THE COMMON NEAR DARK STREET IS NEARLY IMPASSABLE DUE TO
            FLOODING.

0944 AM     FLASH FLOOD      WINCHESTER              42.45N  71.15W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            SWANSON STREET BRIDGE... CAR STUCK IN FLOOD WATERS.
            WATER IS UP TO AT LEAST THE FRONT BUMPER.

0945 AM     FLASH FLOOD      WINCHESTER              42.45N  71.15W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            FLOODING IN THE MAIN ROTARY SEVERAL INCHES IN DEPTH.
            WASHINGTON STREET BY ST. MARYS FLOODED AND NEARLY
            IMPASSABLE.

0947 AM     FLASH FLOOD      MEDFORD                 42.42N  71.11W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            WINDSOR ROAD FLOODED AND CLOSED.

0950 AM     FLASH FLOOD      WINCHESTER              42.45N  71.15W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            CHURCH STREET AT LEWIS STREET FLOODED AND NEARLY
            IMPASSABLE.

0952 AM     FLASH FLOOD      WINCHESTER              42.45N  71.15W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            RAVENCROFT AT BAKER STREET MANHOLE COVERS POPPED OFF.

0954 AM     FLASH FLOOD      WINCHESTER              42.45N  71.15W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            2 CARS STUCK IN FLOOD WATERS AT WEDGEMERE STATION
            BRIDGE.

0956 AM     FLASH FLOOD      WILMINGTON              42.56N  71.17W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            MANHOLE COVER POPPED OFF ON LOWELL STREET DUE TO HEAVY
            RAINS.

1000 AM     FLASH FLOOD      SOMERVILLE              42.39N  71.10W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            BROOMFIELD ROAD FLOODED AND IMPASSABLE.

1000 AM     TORNADO          REVERE                  42.42N  70.99W
07/28/2014                   SUFFOLK            MA   AMATEUR RADIO

            NUMEROUS TREES DOWN. TELEPHONE POLES DOWN ON BEECH TO
            SPRAGUE STREET AREAS. TREES AND WIRES DOWN ON COOLIDGE
            STREET.

1003 AM     FLASH FLOOD      LYNNFIELD               42.54N  71.04W
07/28/2014                   ESSEX              MA   BROADCAST MEDIA

            LYNNFIELD TUNNEL ON ROUTE 1 IS FLOODED AND IMPASSABLE
            WITH 3 TO 4 FEET OF WATER.

1015 AM     TORNADO          REVERE                  42.42N  70.99W
07/28/2014                   SUFFOLK            MA   AMATEUR RADIO

            REVERE BEACH PARKWAY CLOSED TO TRAFFIC DUE TO MULTIPLE
            POWER LINES AND TREES DOWN.

1015 AM     TORNADO          REVERE                  42.42N  70.99W
07/28/2014                   SUFFOLK            MA   AMATEUR RADIO

            TREE DOWN BLOCKING AMERICAN LEGION HIGHWAY AT ST.
            ANTHONYS CHUCH AND CLOSED.

1015 AM     TORNADO          REVERE                  42.42N  70.99W
07/28/2014                   SUFFOLK            MA   LAW ENFORCEMENT

            MALDEN STREET AND CARLSON AVENUE CLOSED DUE TO CARS
            OVERTURNED AND TREES DOWN.

1015 AM     FLASH FLOOD      DANVERS                 42.57N  70.95W
07/28/2014                   ESSEX              MA   LAW ENFORCEMENT

            PORTIONS OF ROUTE 1 NORTH BOUND AND SOUTH BOUND FLOODED
            AND CLOSED. CARS STUCK.

1017 AM     TORNADO          REVERE                  42.42N  70.99W
07/28/2014                   SUFFOLK            MA   AMATEUR RADIO

            PARK AVENUE IMPASSABLE DUE TO LIVE WIRES DOWN.

1020 AM     FLASH FLOOD      PEABODY                 42.53N  70.97W
07/28/2014                   ESSEX              MA   AMATEUR RADIO

            ROOSEVELT BLVD WITH 4 FEET OF WATER. ROUTE 1 NORTH BY
            THE 114 EXIT FLOODED WITH 3 FEET OF WATER AND SHUT DOWN.

1020 AM     FLASH FLOOD      ARLINGTON               42.42N  71.16W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            SEVERAL CARS STUCK IN FLOOD WATERS IN THE ARLINGTON
            HEIGHTS AND TURKEY HILL AREAS.

1045 AM     TORNADO          REVERE                  42.42N  70.99W
07/28/2014                   SUFFOLK            MA   AMATEUR RADIO

            A COUPLE OF ROOF COLLAPSES ON CENTRAL AVE. GAS LEAK ON
            MILL STREET.

&&

KAB
Local storm report, Jul 28, 12:55 PM EDT, 3 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
1255 PM EDT MON JUL 28 2014

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

1010 AM     TSTM WND DMG     TOPSFIELD               42.64N  70.96W
07/28/2014                   ESSEX              MA   DEPT OF HIGHWAYS

            TREES DOWN ON ROWLEY ROAD AND BLUEBERRY LANE.

&&

KAB
Local storm report, Jul 28, 1:25 PM EDT, 2 hours 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
125 PM EDT MON JUL 28 2014

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

0905 AM     TSTM WND DMG     NEEDHAM                 42.28N  71.24W
07/28/2014                   NORFOLK            MA   TRAINED SPOTTER

            NUMEROUS UPROOTED TREES AND POWER LINES DOWN ON COUNTRY
            WAY.

&&

KAB
Local storm report, Jul 28, 1:35 PM EDT, 2 hours 42 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
135 PM EDT MON JUL 28 2014

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

0654 AM     LIGHTNING        BUCKLAND                42.60N  72.78W
07/28/2014                   FRANKLIN           MA   AMATEUR RADIO

            TREE ON HOUSE DUE TO LIGHTNING.

0903 AM     FLASH FLOOD      FRAMINGHAM              42.31N  71.44W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            FLOODING INTO THE ENTRY WAY OF THE MEDITECH BLDG.

0905 AM     TSTM WND DMG     NEEDHAM                 42.28N  71.24W
07/28/2014                   NORFOLK            MA   TRAINED SPOTTER

            NUMEROUS UPROOTED TREES AND POWER LINES DOWN ON COUNTRY
            WAY.

0915 AM     FLASH FLOOD      WALTHAM                 42.39N  71.24W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            PROSPECT STREET FLOODED AND IMPASSABLE.

0930 AM     LIGHTNING        LEXINGTON               42.45N  71.23W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            LIGHTNING STRIKE ON TODD ROAD WITH SMOKE SHOWING IN THE
            ATTIC.

0932 AM     FLASH FLOOD      WAKEFIELD               42.50N  71.07W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            FLOODING ON GROVE STREET WITH WATER LAPING ONTO THE
            HOOD OF A POLICE CRUISER.

0933 AM     FLASH FLOOD      BOSTON                  42.32N  71.07W
07/28/2014                   SUFFOLK            MA   AMATEUR RADIO

            SPRING STREET CLOSED DUE TO 2 CARS STUCK IN FLOOD
            WATERS. OCCUPANTS TRAPPED.

0935 AM     FLASH FLOOD      NATICK                  42.28N  71.35W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            SPEEN STREET FLOODED UP TO THE GRILL LEVEL OF A
            VEHICLE.

0936 AM     FLASH FLOOD      NATICK                  42.28N  71.35W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            6 TO 12 INCHES OF WATER FLOODING ROUTE 9 ON THE
            WELLESLEY NATICK LINE.

0936 AM     FLASH FLOOD      NATICK                  42.28N  71.35W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            ROUTE 9 EASTBOUND AT ROUTE 27 FLOODED AND IMPASSABLE
            WITH CARS TURNING AROUND.

0940 AM     FLASH FLOOD      BELMONT                 42.40N  71.17W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            THE COMMON NEAR DARK STREET IS NEARLY IMPASSABLE DUE TO
            FLOODING.

0944 AM     FLASH FLOOD      WINCHESTER              42.45N  71.15W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            SWANSON STREET BRIDGE... CAR STUCK IN FLOOD WATERS.
            WATER IS UP TO AT LEAST THE FRONT BUMPER.

0945 AM     FLASH FLOOD      WINCHESTER              42.45N  71.15W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            FLOODING IN THE MAIN ROTARY SEVERAL INCHES IN DEPTH.
            WASHINGTON STREET BY ST. MARYS FLOODED AND NEARLY
            IMPASSABLE.

0947 AM     FLASH FLOOD      MEDFORD                 42.42N  71.11W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            WINDSOR ROAD FLOODED AND CLOSED.

0950 AM     FLASH FLOOD      WINCHESTER              42.45N  71.15W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            CHURCH STREET AT LEWIS STREET FLOODED AND NEARLY
            IMPASSABLE.

0952 AM     FLASH FLOOD      WINCHESTER              42.45N  71.15W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            RAVENCROFT AT BAKER STREET MANHOLE COVERS POPPED OFF.

0954 AM     FLASH FLOOD      WINCHESTER              42.45N  71.15W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            2 CARS STUCK IN FLOOD WATERS AT WEDGEMERE STATION
            BRIDGE.

0956 AM     FLASH FLOOD      WILMINGTON              42.56N  71.17W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            MANHOLE COVER POPPED OFF ON LOWELL STREET DUE TO HEAVY
            RAINS.

1000 AM     FLASH FLOOD      SOMERVILLE              42.39N  71.10W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            BROOMFIELD ROAD FLOODED AND IMPASSABLE.

1000 AM     TORNADO          REVERE                  42.42N  70.99W
07/28/2014                   SUFFOLK            MA   AMATEUR RADIO

            NUMEROUS TREES DOWN. TELEPHONE POLES DOWN ON BEECH TO
            SPRAGUE STREET AREAS. TREES AND WIRES DOWN ON COOLIDGE
            STREET.

1003 AM     FLASH FLOOD      LYNNFIELD               42.54N  71.04W
07/28/2014                   ESSEX              MA   BROADCAST MEDIA

            LYNNFIELD TUNNEL ON ROUTE 1 IS FLOODED AND IMPASSABLE
            WITH 3 TO 4 FEET OF WATER.

1010 AM     TSTM WND DMG     TOPSFIELD               42.64N  70.96W
07/28/2014                   ESSEX              MA   DEPT OF HIGHWAYS

            TREES DOWN ON ROWLEY ROAD AND BLUEBERRY LANE.

1015 AM     TORNADO          REVERE                  42.42N  70.99W
07/28/2014                   SUFFOLK            MA   AMATEUR RADIO

            REVERE BEACH PARKWAY CLOSED TO TRAFFIC DUE TO MULTIPLE
            POWER LINES AND TREES DOWN.

1015 AM     TORNADO          REVERE                  42.42N  70.99W
07/28/2014                   SUFFOLK            MA   AMATEUR RADIO

            TREE DOWN BLOCKING AMERICAN LEGION HIGHWAY AT ST.
            ANTHONYS CHUCH AND CLOSED.

1015 AM     TORNADO          REVERE                  42.42N  70.99W
07/28/2014                   SUFFOLK            MA   LAW ENFORCEMENT

            MALDEN STREET AND CARLSON AVENUE CLOSED DUE TO CARS
            OVERTURNED AND TREES DOWN.

1015 AM     FLASH FLOOD      DANVERS                 42.57N  70.95W
07/28/2014                   ESSEX              MA   LAW ENFORCEMENT

            PORTIONS OF ROUTE 1 NORTH BOUND AND SOUTH BOUND FLOODED
            AND CLOSED. CARS STUCK.

1017 AM     TORNADO          REVERE                  42.42N  70.99W
07/28/2014                   SUFFOLK            MA   AMATEUR RADIO

            PARK AVENUE IMPASSABLE DUE TO LIVE WIRES DOWN.

1020 AM     FLASH FLOOD      PEABODY                 42.53N  70.97W
07/28/2014                   ESSEX              MA   AMATEUR RADIO

            ROOSEVELT BLVD WITH 4 FEET OF WATER. ROUTE 1 NORTH BY
            THE 114 EXIT FLOODED WITH 3 FEET OF WATER AND SHUT DOWN.

1020 AM     FLASH FLOOD      ARLINGTON               42.42N  71.16W
07/28/2014                   MIDDLESEX          MA   AMATEUR RADIO

            SEVERAL CARS STUCK IN FLOOD WATERS IN THE ARLINGTON
            HEIGHTS AND TURKEY HILL AREAS.

1045 AM     TORNADO          REVERE                  42.42N  70.99W
07/28/2014                   SUFFOLK            MA   AMATEUR RADIO

            A COUPLE OF ROOF COLLAPSES ON CENTRAL AVE. GAS LEAK ON
            MILL STREET.

&&

KAB
Special weather statement, Jul 28, 2:40 PM EDT, 1 hour 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
240 PM EDT MON JUL 28 2014

MAZ002-003-008-281930-
WESTERN FRANKLIN-EASTERN FRANKLIN-WESTERN HAMPSHIRE-
240 PM EDT MON JUL 28 2014

...STRONG THUNDERSTORM IN NORTHWESTERN HAMPSHIRE AND FRANKLIN
COUNTIES...

AT 239 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM OVER LEE...OR 9 MILES NORTH OF GREAT
BARRINGTON...MOVING NORTHEAST AT 30 MPH.

HAIL UP TO THE SIZE OF DIMES AND WIND GUSTS UP TO 40 MPH CAN BE
EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
GREENFIELD...DEERFIELD...MONROE...MONTAGUE...SUNDERLAND...
NORTHFIELD...WILLIAMSBURG...BERNARDSTON...BUCKLAND...CONWAY...
SHELBURNE...LEVERETT...ERVING...SHUTESBURY...ASHFIELD...COLRAIN...
GILL...WHATELY...CHARLEMONT AND CHESTERFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET INDOORS WHEN THIS STORM APPROACHES. WINDS MAY BE STRONG ENOUGH TO
PRODUCE MINOR DAMAGE...SUCH AS DOWNED BRANCHES. MINOR URBAN AND POOR
DRAINAGE FLOODING IS ALSO POSSIBLE.

TORRENTIAL RAINFALL WAS OCCURRING WITH THIS STORM. MINOR URBAN AND
POOR DRAINAGE FLOODING CAN BE EXPECTED. DO NOT DRIVE THROUGH FLOODED
ROADS.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT MONDAY
EVENING FOR CENTRAL RHODE ISLAND...SOUTHERN NEW HAMPSHIRE...NORTHERN
CONNECTICUT AND  MASSACHUSETTS.

LAT...LON 4238 7301 4239 7301 4263 7295 4266 7295
      4267 7300 4269 7295 4271 7296 4270 7299
      4274 7294 4273 7255 4251 7239 4235 7288
      4235 7295 4231 7301 4231 7303 4233 7306
      4238 7307
TIME...MOT...LOC 1839Z 240DEG 36KT 4232 7329

KJC
Special weather statement, Jul 28, 3:32 PM EDT, 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
332 PM EDT MON JUL 28 2014

MAZ002>004-008-NHZ011-282015-
WESTERN FRANKLIN-EASTERN FRANKLIN-NORTHERN WORCESTER-WESTERN
HAMPSHIRE-CHESHIRE-
332 PM EDT MON JUL 28 2014

...STRONG THUNDERSTORM IN NORTHWESTERN HAMPSHIRE...FRANKLIN...
NORTHWESTERN WORCESTER AND SOUTHWESTERN CHESHIRE COUNTIES...

AT 331 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM OVER BUCKLAND...OR 11 MILES WEST OF GREENFIELD...
MOVING EAST AT 35 MPH.

HAIL UP TO THE SIZE OF DIMES AND WIND GUSTS UP TO 40 MPH CAN BE
EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
KEENE...GREENFIELD...ORANGE...JAFFREY...DEERFIELD...GARDNER...
ATHOL...WINCHENDON...MONTAGUE...TEMPLETON...SWANZEY...RINDGE...
WINCHESTER...HINSDALE...SUNDERLAND...CHESTERFIELD...NORTHFIELD...
MARLBOROUGH...FITZWILLIAM AND TROY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET INDOORS WHEN THIS STORM APPROACHES. WINDS MAY BE STRONG ENOUGH TO
PRODUCE MINOR DAMAGE...SUCH AS DOWNED BRANCHES. MINOR URBAN AND POOR
DRAINAGE FLOODING IS ALSO POSSIBLE.

TORRENTIAL RAINFALL WAS OCCURRING WITH THIS STORM. MINOR URBAN AND
POOR DRAINAGE FLOODING CAN BE EXPECTED. DO NOT DRIVE THROUGH FLOODED
ROADS.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT MONDAY
EVENING FOR CENTRAL RHODE ISLAND...SOUTHERN NEW HAMPSHIRE...NORTHERN
CONNECTICUT AND  MASSACHUSETTS.

LAT...LON 4274 7269 4273 7246 4277 7249 4277 7252
      4278 7251 4281 7253 4297 7216 4255 7197
      4245 7289 4262 7295
TIME...MOT...LOC 1931Z 255DEG 31KT 4256 7281

KJC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 8:25 PM EDTSpecial Weather StatementBOXHampden50 min
Jul 28, 5:46 AM EDTSpecial Weather StatementBOXHampshire59 min
Jul 28, 6:54 AM EDTSevere Thunderstorm WarningBOXFranklin51 min
Jul 28, 8:44 AM EDTSpecial Weather StatementBOXSuffolk46 min
Jul 28, 8:50 AM EDTSevere Thunderstorm WarningBOXEssex, Middlesex, Norfolk, Suffolk40 min
Jul 28, 9:18 AM EDTAreal Flood AdvisoryBOXEssex, Middlesex, Norfolk, Suffolk57 min
Jul 28, 9:33 AM EDTFlash Flood WarningBOXEssex, Middlesex, Suffolk117 min
Jul 28, 9:44 AM EDTTornado WarningBOXEssex25 min
Jul 28, 10:19 AM EDTSpecial Marine WarningBOX41 min
Jul 28, 2:40 PM EDTSpecial Weather StatementBOXFranklin50 min
Jul 28, 3:32 PM EDTSpecial Weather StatementBOXFranklin43 min
Jul 28, 3:58 PM EDTSevere Thunderstorm WarningBOXFranklin, Worcester62 min
Jul 28, 4:00 PM EDTSevere Thunderstorm WarningBOXHampden, Worcester47 min
Jul 28, 4:14 PM EDTAreal Flood AdvisoryBOXFranklin, Worcester2 hr
Jul 28, 4:24 PM EDTTornado WarningBOXHampden, Worcester21 min
Jul 28, 5:43 PM EDTAreal Flood AdvisoryBOXFranklin, Worcester2 hr
Jul 28, 5:47 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex58 min
Jul 28, 5:48 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire34 min
Jul 28, 6:18 PM EDTAreal Flood AdvisoryBOXEssex, Middlesex117 min
Jul 28, 6:22 PM EDTSevere Thunderstorm WarningBOXEssex23 min
Jul 28, 6:43 PM EDTSpecial Marine WarningBOX62 min
Jul 28, 5:14 PM EDTSevere Thunderstorm WarningBOXHillsborough16 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 2014Severe Thunderstorm Warnings in New Hampshire, 2014Every severe thunderstorm warning in 2014

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.