Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 102, NWS Boston/Norton, MA

June 27, 2008Hillsborough County, New Hampshire

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 27, 2008, 5:12 PM EDT for Hillsborough County, New Hampshire. It was in force for 30 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 27, 2008, 5:12 PM EDT (21:12 UTC)
Expired
Jun 27, 2008, 5:42 PM EDT
In force
30 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon

County Hillsborough County, NH

The radar

The Boston radar (KBOX), 109 km from the middle of the area, began a volume at 21:14 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 nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 9.2 hours before the alert went out and 146 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, Gray, ME at 12:00Z on 2008-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 83 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, Gray, ME at 12:00Z on 2008-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939587897Sfc1 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
83 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
949 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
59 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.

000 
WUUS51 KBOX 272112
SVRBOX
NHC011-272200-
/O.NEW.KBOX.SV.W.0102.080627T2112Z-080627T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
512 PM EDT FRI JUN 27 2008

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL HILLSBOROUGH COUNTY IN SOUTHERN NEW HAMPSHIRE...

* UNTIL 600 PM EDT

* AT 510 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  MERRIMACK...OR 6 MILES SOUTHWEST OF MANCHESTER...AND MOVING EAST AT
  14 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
  AREAS OF THE INDICATED COUNTY.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL...IN
ADDITION TO DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR SAFETY GO
INDOORS NOW AND STAY AWAY FROM WINDOWS.

LAT...LON 4293 7141 4292 7143 4289 7143 4289 7142
      4284 7142 4286 7158 4294 7158 4297 7141
TIME...MOT...LOC 2112Z 277DEG 12KT 4290 7149

$$
EKSTER
2 follow-up statements
000 
WWUS51 KBOX 272134
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
534 PM EDT FRI JUN 27 2008

NHC011-272200-
/O.CON.KBOX.SV.W.0102.000000T0000Z-080627T2200Z/
HILLSBOROUGH NH-
534 PM EDT FRI JUN 27 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR EAST CENTRAL HILLSBOROUGH COUNTY...

AT 528 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR MERRIMACK...OR 6 MILES WEST OF DERRY...MOVING EAST AT 11
MPH.

LAT...LON 4284 7142 4285 7148 4285 7149 4285 7152
      4292 7151 4293 7143 4289 7143 4288 7142
TIME...MOT...LOC 2134Z 283DEG 9KT 4288 7143

$$
MLE
000 
WWUS51 KBOX 272142
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
542 PM EDT FRI JUN 27 2008

NHC011-272152-
/O.CAN.KBOX.SV.W.0102.000000T0000Z-080627T2200Z/
HILLSBOROUGH NH-
542 PM EDT FRI JUN 27 2008

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HILLSBOROUGH
COUNTY IS CANCELLED...

LAT...LON 4284 7142 4285 7148 4285 7149 4285 7152
      4292 7151 4293 7143 4289 7143 4288 7142
TIME...MOT...LOC 2142Z 283DEG 9KT 4286 7141

$$
MLE

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 27, 5:12 PM EDT, 0 minutes earlier.

Area forecast discussion, Jun 27, 5:12 PM EDT, 0 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
512 PM EDT FRI JUN 27 2008

.SYNOPSIS...
MULTIPLE AFTERNOONS OF STRONG THUNDERSTORMS ARE ANTICIPATED OVER THE
NEXT WEEK AS A GENERALLY UNSTABLE WEATHER PATTERN HOLDS FIRM WITH WARMER
THAN NORMAL HUMID SUMMER WEATHER. HIGH PRESSURE WILL PERSIST IN THE WESTERN
ATLANTIC WHILE GENERALLY LOW PRESSURE IN SOUTHEAST CANADA SHOVES WEAKENING
COOL FRONTS INTO NEW ENGLAND.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
DIMINISHING TSTMS THIS EVENING.

AN AIR QUALITY ALERT HAS BEEN ISSUED FOR A PART OF SOUTHEAST
MASSACHUSETTS AND S RI.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH SATURDAY NIGHT/...
TONIGHT...WHERE DOES THE COLD FRONT STALL. SOME OF THE MODELS TONIGHT
SUGGEST A STALL NORTH OF THE MASS PIKE. BUT THERE IS ENOUGH NORTHWEST
FLOW ALOFT THIS EVENING TO PUSH THE FRONT TO THE SOUTH COAST. EITHER
WAY...CLOUDS LINGER THROUGH THE FIRST PART OF THE NIGHT AS WELL AS
SCATTERED SHOWERS/ISOLATED TSTMS. MODELS SUGGEST A SECOND SURGE OF
RAINFALL OVERNIGHT...PEAKING AROUND 2 AM SATURDAY BUT CONFIDENCE IS
VERY LOW ON THIS SECONDARY PULSE.

WITH PLENTY OF WET GROUND AND A WEAK WIND FIELD...AND LITTLE DRYING
OF THE HUMID AIR...WE EXPECT ANOTHER FOGGY NIGHT ALL AROUND SOUTHERN
NEW ENGLAND.

SATURDAY...
ANY LEFT OVER CONVECTION FROM A POSSIBLE MCS SHOULD HAVE EXITED THE
SOUTHEAST NEW ENGLAND COAST BY EARLY SATURDAY MORNING.
OTHERWISE...THE NAM/ECMWF/UKMET ARE FAIRLY AGGRESSIVE WITH THE
BACKDOOR COLD FRONT WHILE THE GFS IS NOT SO MUCH.  HOWEVER...WILL
LEAN TOWARDS MODEL CONSENSUS AND BRING THE BACKDOOR FRONT THROUGH
THE COASTAL PLAIN.  THEREFORE...WILL TREND HIGHS FROM THE 70S ALONG
THE IMMEDIATE EASTERN MA COAST TO THE UPPER 80S IN THE CONNECTICUT RIVER
VALLEY.

AS FOR CONVECTIVE CHANCES...ANOTHER SHORTWAVE LOOKS TO APPROACH FROM
THE WEST DURING THE AFTERNOON.  MODELS NOT THAT AGGRESSIVE WITH QPF
AND THAT IS PROBABLY BECAUSE THE SHORTWAVE DOES NOT ARRIVE UNTIL MID
TO LATE AFTERNOON.  HOWEVER...SURFACE DEWPOINTS AROUND 70 ACROSS THE
INTERIOR WHICH SHOULD RESULT IN A FAIR AMOUNT OF LOW LEVEL
INSTABILITY.  THEREFORE...WILL GO WITH CHANCE POPS TO THE FROM THE
LATE AFTERNOON AND INTO THE EVENING FOR SCATTERED
SHOWERS/THUNDERSTORMS NORTHWEST OF I-95 WITH THE BEST CHANCE ACROSS
SOUTHWEST NH...WESTERN MA...CONNECTICUT.  WIND FIELDS COULD BE
BETTER...BUT THERE SHOULD BE ENOUGH CAPE TO BRING THE POTENTIAL FOR
AT LEAST A FEW SEVERE THUNDERSTORMS TO THE INTERIOR.  IN
ADDITION...HIGH PWATS WILL BRING THE POTENTIAL FOR LOCALLY HEAVY
RAINFALL WITH ANY OF THE ACTIVITY THAT DEVELOPS.  ALONG THE COASTAL
PLAIN...WILL CARRY JUST SLIGHT CHANCE POPS AS THE STABILIZING MARINE
LAYER MAY LIMIT CONVECTIVE POTENTIAL.

SATURDAY NIGHT...
CONTINUED WARM ADVECTION AND ELEVATED INSTABILITY SHOULD A THREAT OF
SCATTERED SHOWERS/THUNDERSTORMS OVERNIGHT...ALTHOUGH THIS ACTIVITY
WILL BE HIT AND MISS AND MOST OF THE NIGHT IT MAY END UP DRY.  THE BEST
CHANCE LOOKS TO BE OVER THE NORTHWEST SECTIONS AND THAT IS WHERE WE
WILL RUN WITH LIKELY POPS AND TAPER TO LOW CHANCE ON THE COASTAL PLAIN.
WITH THE LOSS OF DAYTIME HEATING...WE SHOULD SEE THE BACKDOOR COLD
FRONT PUSH FURTHER WEST THROUGH MUCH OF OUR REGION.  WITH VERY HIGH
DEWPOINTS IN PLACE WE MAY SEE AREAS OF DENSE FOG DEVELOP BRINING
POOR VISIBILITIES TO MUCH OF THE REGION.  LOWS SHOULD MAINLY BE IN
THE 60S.

&&

.LONG TERM /SUNDAY THROUGH FRIDAY/...
SUNDAY...DEPENDING ON WHAT MODEL YOU LOOK AT...THINGS HAVE CHANGED
OR THEY HAVE STAYED THE SAME.  THE LARGE SCALE FEATURES HAVE LARGELY
STAYED THE SAME...ITS THE DETAILS WHERE THE DIFFERENCES COME IN.
THE 12Z NAM HAS TAKEN THE QPF NORTH TO NORTHERN NEW ENGLAND AND HAS
ALL BUT DRIED SOUTHERN NEW ENGLAND OUT.  THE 00Z ECMWF/12Z GFS SCALE
THE PRECIPITATION BACK A LITTLE BUT STILL HAVE A GOOD INCH TO INCH
AND A HALF FALLING. A DEEP UPPER LEVEL TROUGH STRETCHING EASTERN
ONTARIO/WESTERN QUEBEC SOUTHWARD TO THE OHIO RIVER VALLEY WILL RESULT
IN SOUTHWEST FLOW OVER THE SOUTHERN NEW ENGLAND AREA. THIS WILL ALLOW
DEEP TROPICAL MOISTURE TO FLOW UP THE EAST COAST INTO THE CWA. PWAT
VALUES REMAIN IN THE 1.5 TO 2 INCH RANGE /1.5 TO 2 TIMES NORMAL/.

850MB TEMPERATURES BETWEEN 16 AND 17 DEG CELSIUS WILL RESULT IN WARM
AFTERNOON TEMPS...ESPECIALLY IF WE GET ANY SUNSHINE IN BETWEEN
STORMS OR PRIOR TO THEIR INITIATION.  EXPECTING HIGH TEMPERATURES TO
BE IN THE UPPER 80S.  THESE WARM TEMPS AT THE SURFACE AND FAIRLY
COOL TEMPERATURES IN THE UPPER LEVELS WILL RESULT IN STEEP MID-LEVEL
LAPSE RATES AND QUITE A BIT OF INSTABILITY.  THIS IS REFLECTED IN
MODEL CAPES BETWEEN 1000 AND 1500 J/KG AND LI/S BETWEEN 0 AND -2.
GIVEN ALL OF THIS INSTABILITY AND 0-6KM BULK SHEAR VALUES BETWEEN 35
AND 50 KTS...STRONG TO SEVERE THUNDERSTORMS ARE LIKELY TO DEVELOP.
BELIEVE WINDS AND HEAVY RAIN WILL BE THE MAIN THREATS WITH THESE
STORMS.

MONDAY...A WEAK COLD FRONT WILL MOVE THROUGH SOUTHERN NEW ENGLAND AS
THE UPPER LEVEL TROUGH APPROACHES FROM THE WEST.  THIS WILL RESULT
IN SLIGHTLY COOLER TEMPERATURES DURING THE DAY AS WELL AS ANOTHER
CHANCE FOR SHOWERS AND THUNDERSTORMS.  THERE ISN/T AS MUCH
INSTABILITY AS THERE IS PROGGED FOR SUNDAY.  HOWEVER...SHOWERS AND
THUNDERSTORMS WILL STILL BE POSSIBLE AND ONE OR TWO MAY BECOME
SEVERE.  AGAIN...WINDS AND HEAVY RAIN WILL BE THE MAIN THREATS.

TUESDAY...UPPER LEVEL TROUGH MOVES EAST TO ALONG THE EAST COAST.
SOME SHORTWAVE ENERGY ROTATING AROUND THE TROUGH WILL MOVE THROUGH
SOUTHERN NEW ENGLAND PROVIDING A POSSIBILITY FOR SHOWERS AGAIN.  NOT
AS CONFIDENT IN THE TUESDAY FORECAST AS MODEL DISCREPANCIES BECOME
LARGER.

WEDNESDAY...LOOKS LIKE THE DRIEST DAY WITH NEITHER THE ECMWF OR THE
GFS PUTTING OUT ANY PRECIP.

THURSDAY...ANOTHER WEAK COLD FRONT MAY MOVE THROUGH SOUTHERN NEW
ENGLAND LATE IN THE DAY.  AS THIS MOVES THROUGH IT WILL PROVIDE A
FOCUS FOR MORE SHOWERS AND PERHAPS A FEW THUNDERSTORMS.

INDEPENDENCE DAY...TEMPERATURES WILL BE A LITTLE COOLER.  WITH A
RETURN TO SOUTHWEST FLOW...MOISTURE WILL BE MOVING UP THE EAST COAST
INTO THE AREA AGAIN.  SHOWERS AND ISOLATED THUNDERSTORMS WILL AGAIN
BE A POSSIBILITY AS A SHORTWAVE MOVES THROUGH SOUTHERN NEW ENGLAND.

&&

.AVIATION /21Z FRIDAY THROUGH WEDNESDAY/...
VFR/MVFR HAZY THIS AFTERNOON MVFR/IFR IN SCATTERED SHOWERS AND THUNDERSTORMS
CONTINUING THROUGH THE FIRST HALF OF TONIGHT. WET GROUND LIGHT WINDS
AND MOIST AIR WILL COMBINE FOR SOME PATCHY FOG LATER TONIGHT.

SATURDAY...MORNING IFR CEILINGS SOUTH COAST UNTIL 12Z...OTHERWISE
MVFR/VFR HAZE. SCT SHRA/TSRA IN THE AFTERNOON NORTHWEST INTERIOR.

OUTLOOK...SUNDAY THROUGH WEDNESDAY...

SUNDAY...MVFR/IFR CIGS/VSBYS LIKELY AS SHOWERS AND THUNDERSTORMS
MOVE THROUGH SOUTHERN NEW ENGLAND.  GUSTY WINDS TO AT LEAST 40KTS
WILL ACCOMPANY AND THUNDERSTORMS THAT NEAR THE TERMINALS.  MVFR/IFR
VSBYS CONTINUE THROUGH THE NIGHT IN PATCHY FOG.

MONDAY...MVFR/IFR CIGS/VSBYS WILL CONTINUE IN SHOWERS/THUNDERSTORMS
THROUGH THE DAY.  MVFR/IFR VSBYS CONTINUE OVERNIGHT IN PATCHY FOG.

&&

.MARINE...
TODAY AND TONIGHT...TSTMS DEVELOPING THIS AFTERNOON AND MOVING ACROSS
THE WATERS. OVERALL WINDS AND SEAS LOOK TO STAY BELOW SMALL CRAFT
THRESHOLDS...BUT WITH 5 FOOT SEAS ON THE BORDER OF OUR SOUTHERN OUTER
WATERS. ISOLATED SMW STORMS FOR 35 OR 40 KTS ANTICIPATED BOS HARB TO
NARR BAY INCLUDING W PART OF CAPE COD BAY 4PM-8PM.

OUTLOOK...SUNDAY THROUGH WEDNESDAY...

WNAWAVE CONTINUES TO BE TOO HIGH.  DESPITE THIS...SCA CONDITIONS ARE
POSSIBLE ON THE SOUTHERN OUTER WATERS LATE THIS WEEKEND INTO EARLY
NEXT WEEK WITH PERSISTENT SOUTHWEST FLOW OVER THE WATERS.  WINDS MAY
REACH SCA LEVELS SUNDAY AFTERNOON THROUGH MONDAY AFTERNOON AS A
35-40KT LOW LEVEL JET DEVELOPS OVER THE WATERS.  OTHERWISE...PATCHY
FOG WILL BE LIKELY OVER THE WATERS MAINLY IN THE OVERNIGHT HOURS.

&&

.HYDROLOGY...
PRECIPITABLE WATER VALUES INCREASE TO THE 1.5 TO 1.8 INCH RANGE BY
THIS AFTERNOON. THIS WILL SUPPORT SOME HEAVY DOWNPOURS. GENERAL
FLOODING LOOKS DIFFICULT AS AREAL FLOODING VALUES ARE 2-3 INCHES IN
ONE HOUR AND 3-4.5 INCHES IN 3 HOURS. HOWEVER THE JUICINESS OF THE
AIRMASS COULD STILL LEAD TO LOCALLY HEAVY DOWNPOURS THIS AFTERNOON AND
EARLY TONIGHT THAT COULD BRING URBAN AND POOR DRAINAGE FLOODING.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...NONE.
MA...NONE.
NH...NONE.
RI...NONE.
MARINE...NONE.

&&

SYNOPSIS...WTB/DRAG/FRANK
NEAR TERM...WTB/DRAG
SHORT TERM...WTB/DRAG
LONG TERM...RLG
AVIATION...WTB/DRAG/STRAUSS/RLG
MARINE...WTB/DRAG/RLG
HYDROLOGY...
Hazardous weather outlook, Jun 27, 4:42 PM EDT, 30 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TAUNTON MA
442 PM EDT FRI JUN 27 2008

CTZ002>004-MAZ002>007-012>016-026-NHZ011-012-015-RIZ001-002-281200-
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX 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-
442 PM EDT FRI JUN 27 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN
CONNECTICUT...CENTRAL MASSACHUSETTS...EASTERN
MASSACHUSETTS...NORTHEASTERN MASSACHUSETTS...WESTERN
MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE AND NORTHERN RHODE ISLAND.

.DAY ONE...TONIGHT

SCATTERED SEVERE THUNDERSTORMS ARE POSSIBLE UNTIL ABOUT 8 PM ACROSS
SOUTHERN NEW ENGLAND...MAINLY ALONG AND NORTH OF THE MASS TURNPIKE.
THE MAIN THREAT WITH ANY SEVERE THUNDERSTORM WILL BE STRONG DAMAGING
STRAIGHT LINE NORTHWEST WIND GUSTS. A SECONDARY CONCERN WILL BE FOR
BRIEF STREET CLOSURES DUE TO EXCESSIVE SHORT TERM FLOODING RAINS AND
MAYBE SOME LARGE HAIL.

IN ADDITION...THESE THUNDERSTORMS WILL CONTAIN DANGEROUS CLOUD TO GROUND
LIGHTNING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A RATHER STRONG UPPER LEVEL SYSTEM FOR LATE JUNE WILL BRING THE POTENTIAL
FOR ROUNDS OF SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL THIS
WEEKEND INTO EARLY NEXT WEEK. INITIALLY...THE FOCUS FOR THE BIGGEST AND
POTENTIALLY SEVERE STORMS WILL BE ACROSS THE CONNECTICUT RIVER VALLEY
WESTWARD BUT THIS MAY GRADUALLY SHIFT TOWARDS THE COASTAL PLAIN SUNDAY
NIGHT OR MONDAY.

THE LOCATION OF THE HEAVIEST RAIN REMAINS UNCERTAIN...BUT BECAUSE THIS
LOOKS TO BE A VERY SLOW MOVING SYSTEM WE WILL STILL NEED TO BE CONCERNED
ABOUT URBAN AND POOR DRAINAGE FLOODING.

AIR QUALITY MAY BECOME UNHEALTHFUL IN PARTS OF THE AREA SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NEEDED INTO THIS EVENING AND LIKELY AGAIN SUNDAY.

MAZ017>024-RIZ003>008-281200-
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-
442 PM EDT FRI JUN 27 2008

...AIR QUALITY ALERT IN EFFECT UNTIL 10 PM EDT THIS EVENING...

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

.DAY ONE...TONIGHT

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

   AIR QUALITY ALERT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A RATHER STRONG UPPER LEVEL SYSTEM FOR LATE JUNE WILL BRING THE POTENTIAL
FOR ROUNDS OF SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL THIS
WEEKEND INTO EARLY NEXT WEEK. INITIALLY...THE FOCUS FOR THE HEAVIEST
PRECIPITATION LOOKS TO BE ACROSS THE INTERIOR BUT THIS MAY GRADUALLY
SHIFT TOWARDS THE COASTAL PLAIN SUNDAY NIGHT OR MONDAY.

ISOLATED SEVERE STORMS ARE POSSIBLE IN COASTAL SOUTHEAST NEW ENGLAND
MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

MAZ008>011-281200-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-
442 PM EDT FRI JUN 27 2008

...AIR QUALITY ALERT IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MASSACHUSETTS.

.DAY ONE...TONIGHT

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

   AIR QUALITY ALERT.

SCATTERED SEVERE THUNDERSTORMS ARE POSSIBLE UNTIL ABOUT 8 PM THIS
EVENING ACROSS THIS PORTION OF SOUTHWEST MASSACHUSETTS.

THE MAIN THREAT WITH ANY SEVERE THUNDERSTORM WILL BE STRONG DAMAGING
STRAIGHT LINE NORTHWEST WIND GUSTS. A SECONDARY CONCERN WILL BE FOR
BRIEF STREET CLOSURES DUE TO EXCESSIVE SHORT TERM FLOODING RAINS AND
MAYBE SOME LARGE HAIL.

IN ADDITION...THESE THUNDERSTORMS WILL CONTAIN DANGEROUS CLOUD TO
GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

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

   AIR QUALITY ALERT.

A RATHER STRONG UPPER LEVEL SYSTEM FOR LATE JUNE WILL BRING THE POTENTIAL
FOR ROUNDS OF SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL
THIS WEEKEND INTO EARLY NEXT WEEK.

THE LOCATION OF THE HEAVIEST RAIN REMAINS UNCERTAIN...BUT BECAUSE
THIS LOOKS TO BE A VERY SLOW MOVING SYSTEM WE WILL STILL NEED TO BE
CONCERNED ABOUT URBAN AND POOR DRAINAGE FLOODING.  IN ADDITION...
THERE IS THE POTENTIAL FOR MORE SEVERE THUNDERSTORMS. WHEN AND WHERE
THIS OCCURS WILL DEPEND ON TIMING...AMOUNT OF SUNSHINE AND
POSITIONING OF A FRONTAL BOUNDARY. THE BEST CHANCE FOR SEVERE
WEATHER STORMS THIS WEEKEND WILL BE SUNDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED...ESPECIALLY SUNDAY.

ANZ230>237-250-254-255-281200-
BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-
BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-BLOCK ISLAND SOUND-
COASTAL WATERS FROM MERRIMACK RIVER MA OUT 25 NM TO PLYMOUTH MA OUT
40 NM...INCLUDING THE STELLWAGEN BANK NATIONAL MARINE SANCTUARY-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
COASTAL WATERS FROM MONTAUK NY TO BLOCK ISLAND RI TO MARTHAS
VINEYARD MA TO NANTUCKET MA SOUTHEAST TO 20 NM-
442 PM EDT FRI JUN 27 2008

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

.DAY ONE...TONIGHT

STRONG GUSTY THUNDERSTORMS WITH 35 KNOT WIND GUSTS ARE POSSIBLE TIL 8
PM FROM BOSTON HARBOR NORTHWARD TO NEWBURYPORT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

STRONG THUNDERSTORMS MAY AFFECT THE WATERS SUNDAY AFTERNOON AND EVENING
AND AGAIN MONDAY...ESPECIALLY BOSTON HARBOR TO NEWBURYPORT AND NARRAGANSETT
BAY.

PATCHY DENSE FOG MAY AFFECT THE WATERS DURING THE OVERNIGHT HOURS LATER
THIS WEEKEND AND INTO EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

..UPDATED FOR AQA AND UPDATED SEVERE WEATHER INFORMATION..

In the hours before

Local storm report, Jun 27, 4:13 PM EDT, 59 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE TAUNTON MA
413 PM EDT FRI JUN 27 2008

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

0210 PM     TSTM WND DMG     WATERTOWN               42.37N 71.18W
06/27/2008                   MIDDLESEX          MA   AMATEUR RADIO

            TREE DOWN ON POND STREET.

0216 PM     TSTM WND DMG     WATERTOWN               42.37N 71.18W
06/27/2008                   MIDDLESEX          MA   AMATEUR RADIO

            TREE AND WIRES DOWN ON DERBY STREET.

0228 PM     TSTM WND DMG     BOSTON                  42.32N 71.07W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            TREE ON A CAR AT INTERSECTION OF BAKERSFIELD AND
            STOUGHTON STREET.

0230 PM     FLASH FLOOD      BOSTON                  42.32N 71.07W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            STORROW DRIVE EAST BOUND ALL LANES CLOSED AT KENMORE
            SQUARE

0230 PM     TSTM WND DMG     HINGHAM                 42.24N 70.89W
06/27/2008                   PLYMOUTH           MA   AMATEUR RADIO

            TREE LIMBS DOWN.

0230 PM     MARINE TSTM WIND BOSTON                  42.32N 71.07W
06/27/2008  U0.00 MPH        SUFFOLK            MA   AMATEUR RADIO

            3 SAILBOAT RESCUES BY THE USCG IN BOSTON HARBOR.

0230 PM     TSTM WND DMG     BRIGHTON                42.35N 71.15W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            4 INCH LIMB DOWN

0231 PM     FLASH FLOOD      BROOKLINE               42.32N 71.14W
06/27/2008                   NORFOLK            MA   AMATEUR RADIO

            BAKERS CIRCLE CLOSED DUE TO FLOODING.

0231 PM     TSTM WND DMG     BOSTON                  42.32N 71.07W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            TREE ON A CAR AT COLUMBIA RD.

0355 PM     HAIL             NEW SALEM               42.50N 72.33W
06/27/2008  E0.75 INCH       FRANKLIN           MA   AMATEUR RADIO

&&

FNOCERA
Special weather statement, Jun 27, 4:23 PM EDT, 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
423 PM EDT FRI JUN 27 2008

NHZ011-272100-
CHESHIRE NH-
423 PM EDT FRI JUN 27 2008

AT 414 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM WITH THE POTENTIAL TO PRODUCE WIND GUSTS TO 40
MPH AND SMALL HAIL 6 MILES NORTHWEST OF MARLOW...OR ABOUT 10 MILES
NORTHEAST OF BELLOWS FALLS...MOVING SOUTHEAST AT 27 MPH.

THE THUNDERSTORM WILL BE NEAR...MARLOW BY 430 PM EDT...STODDARD BY
440 PM EDT.

FOR YOUR SAFETY...GET INSIDE WHEN THIS STORM APPROACHES. HEAVY RAIN
MAY CAUSE MINOR STREET FLOODING AS WELL AS PONDING OF WATER IN POOR
DRAINAGE AREAS.

MLE
Local storm report, Jun 27, 4:48 PM EDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
448 PM EDT FRI JUN 27 2008

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

0145 PM     TSTM WND DMG     WALTHAM                 42.39N 71.24W
06/27/2008                   MIDDLESEX          MA   BROADCAST MEDIA

            NUMEROUS LARGE TREES AND BRANCHES DOWN

0210 PM     TSTM WND DMG     WATERTOWN               42.37N 71.18W
06/27/2008                   MIDDLESEX          MA   AMATEUR RADIO

            TREE DOWN ON POND STREET.

0216 PM     TSTM WND DMG     WATERTOWN               42.37N 71.18W
06/27/2008                   MIDDLESEX          MA   AMATEUR RADIO

            TREE AND WIRES DOWN ON DERBY STREET.

0228 PM     TSTM WND DMG     BOSTON                  42.32N 71.07W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            TREE ON A CAR AT INTERSECTION OF BAKERSFIELD AND
            STOUGHTON STREET.

0230 PM     TSTM WND DMG     BRIGHTON                42.35N 71.15W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            4 INCH LIMB DOWN

0230 PM     MARINE TSTM WIND BOSTON                  42.32N 71.07W
06/27/2008  U0.00 MPH        SUFFOLK            MA   AMATEUR RADIO

            3 SAILBOAT RESCUES BY THE USCG IN BOSTON HARBOR.

0230 PM     FLASH FLOOD      BOSTON                  42.32N 71.07W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            STORROW DRIVE EAST BOUND ALL LANES CLOSED AT KENMORE
            SQUARE

0230 PM     TSTM WND DMG     HINGHAM                 42.24N 70.89W
06/27/2008                   PLYMOUTH           MA   AMATEUR RADIO

            TREE LIMBS DOWN.

0231 PM     FLASH FLOOD      BROOKLINE               42.32N 71.14W
06/27/2008                   NORFOLK            MA   AMATEUR RADIO

            BAKERS CIRCLE CLOSED DUE TO FLOODING.

0231 PM     TSTM WND DMG     BOSTON                  42.32N 71.07W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            TREE ON A CAR AT COLUMBIA RD.

0355 PM     HAIL             NEW SALEM               42.50N 72.33W
06/27/2008  E0.75 INCH       FRANKLIN           MA   AMATEUR RADIO

0433 PM     TSTM WND DMG     HAVERHILL               42.78N 71.09W
06/27/2008                   ESSEX              MA   BROADCAST MEDIA

            6 INCH DIAMETER LIMBS DOWN.

0439 PM     TSTM WND DMG     HAVERHILL               42.78N 71.09W
06/27/2008                   ESSEX              MA   AMATEUR RADIO

            TREE ON CAR AT THE INTERSECTION OF BROADWAY AND LAKE
            STREETS.

&&

FNOCERA
Special weather statement, Jun 27, 5:00 PM EDT, 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
500 PM EDT FRI JUN 27 2008

NHZ011-015-272145-
CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
500 PM EDT FRI JUN 27 2008

AT 456 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM WITH THE POTENTIAL TO PRODUCE WIND GUSTS TO 40
MPH AND SMALL HAIL 4 MILES WEST OF HILLSBOROUGH...OR ABOUT 9 MILES
SOUTHWEST OF HENNIKER...MOVING EAST AT 22 MPH.

THE THUNDERSTORM WILL BE NEAR...HILLSBOROUGH AND ANTRIM BY 510 PM
EDT...DEERING BY 520 PM EDT...WEARE AND 6 MILES NORTH OF FRANCESTOWN
BY 530 PM EDT.

FOR YOUR SAFETY...GET INSIDE WHEN THESE STORMS APPROACH. HEAVY RAIN
MAY CAUSE MINOR STREET FLOODING AS WELL AS PONDING OF WATER IN POOR
DRAINAGE AREAS.

MLE
Local storm report, Jun 27, 5:01 PM EDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
501 PM EDT FRI JUN 27 2008

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

0145 PM     TSTM WND DMG     WALTHAM                 42.39N 71.24W
06/27/2008                   MIDDLESEX          MA   BROADCAST MEDIA

            NUMEROUS LARGE TREES AND BRANCHES DOWN

0210 PM     TSTM WND DMG     WATERTOWN               42.37N 71.18W
06/27/2008                   MIDDLESEX          MA   AMATEUR RADIO

            TREE DOWN ON POND STREET.

0216 PM     TSTM WND DMG     WATERTOWN               42.37N 71.18W
06/27/2008                   MIDDLESEX          MA   AMATEUR RADIO

            TREE AND WIRES DOWN ON DERBY STREET.

0228 PM     TSTM WND DMG     BOSTON                  42.32N 71.07W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            TREE ON A CAR AT INTERSECTION OF BAKERSFIELD AND
            STOUGHTON STREET.

0230 PM     TSTM WND DMG     BRIGHTON                42.35N 71.15W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            4 INCH LIMB DOWN

0230 PM     MARINE TSTM WIND BOSTON                  42.32N 71.07W
06/27/2008  U0.00 MPH        SUFFOLK            MA   AMATEUR RADIO

            3 SAILBOAT RESCUES BY THE USCG IN BOSTON HARBOR.

0230 PM     FLASH FLOOD      BOSTON                  42.32N 71.07W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            STORROW DRIVE EAST BOUND ALL LANES CLOSED AT KENMORE
            SQUARE

0230 PM     TSTM WND DMG     HINGHAM                 42.24N 70.89W
06/27/2008                   PLYMOUTH           MA   AMATEUR RADIO

            TREE LIMBS DOWN.

0231 PM     FLASH FLOOD      BROOKLINE               42.32N 71.14W
06/27/2008                   NORFOLK            MA   AMATEUR RADIO

            BAKERS CIRCLE CLOSED DUE TO FLOODING.

0231 PM     TSTM WND DMG     BOSTON                  42.32N 71.07W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            TREE ON A CAR AT COLUMBIA RD.

0355 PM     HAIL             NEW SALEM               42.50N 72.33W
06/27/2008  E0.75 INCH       FRANKLIN           MA   AMATEUR RADIO

0433 PM     TSTM WND DMG     HAVERHILL               42.78N 71.09W
06/27/2008                   ESSEX              MA   BROADCAST MEDIA

            6 INCH DIAMETER LIMBS DOWN.

0435 PM     TSTM WND DMG     HAVERHILL               42.78N 71.09W
06/27/2008                   ESSEX              MA   AMATEUR RADIO

            WIRES DOWN ON SOUTH WILLIAMS STREET.

0439 PM     TSTM WND DMG     HAVERHILL               42.78N 71.09W
06/27/2008                   ESSEX              MA   AMATEUR RADIO

            TREE ON CAR AT THE INTERSECTION OF BROADWAY AND LAKE
            STREETS.

0457 PM     FLASH FLOOD      HAVERHILL               42.78N 71.09W
06/27/2008                   ESSEX              MA   AMATEUR RADIO

            PRIMROSE STREET FLOODED.

&&

FNOCERA
Local storm report, Jun 27, 5:03 PM EDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
503 PM EDT FRI JUN 27 2008

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

0145 PM     TSTM WND DMG     WALTHAM                 42.39N 71.24W
06/27/2008                   MIDDLESEX          MA   BROADCAST MEDIA

            NUMEROUS LARGE TREES AND BRANCHES DOWN

0200 PM     TSTM WND DMG     DORCHESTER              42.28N 71.08W
06/27/2008                   SUFFOLK            MA   BROADCAST MEDIA

            LARGE TREE DOWN.

0210 PM     TSTM WND DMG     WATERTOWN               42.37N 71.18W
06/27/2008                   MIDDLESEX          MA   AMATEUR RADIO

            TREE DOWN ON POND STREET.

0216 PM     TSTM WND DMG     WATERTOWN               42.37N 71.18W
06/27/2008                   MIDDLESEX          MA   AMATEUR RADIO

            TREE AND WIRES DOWN ON DERBY STREET.

0228 PM     TSTM WND DMG     BOSTON                  42.32N 71.07W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            TREE ON A CAR AT INTERSECTION OF BAKERSFIELD AND
            STOUGHTON STREET.

0230 PM     TSTM WND DMG     BRIGHTON                42.35N 71.15W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            4 INCH LIMB DOWN

0230 PM     MARINE TSTM WIND BOSTON                  42.32N 71.07W
06/27/2008  U0.00 MPH        SUFFOLK            MA   AMATEUR RADIO

            3 SAILBOAT RESCUES BY THE USCG IN BOSTON HARBOR.

0230 PM     FLASH FLOOD      BOSTON                  42.32N 71.07W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            STORROW DRIVE EAST BOUND ALL LANES CLOSED AT KENMORE
            SQUARE

0230 PM     TSTM WND DMG     HINGHAM                 42.24N 70.89W
06/27/2008                   PLYMOUTH           MA   AMATEUR RADIO

            TREE LIMBS DOWN.

0231 PM     FLASH FLOOD      BROOKLINE               42.32N 71.14W
06/27/2008                   NORFOLK            MA   AMATEUR RADIO

            BAKERS CIRCLE CLOSED DUE TO FLOODING.

0231 PM     TSTM WND DMG     BOSTON                  42.32N 71.07W
06/27/2008                   SUFFOLK            MA   AMATEUR RADIO

            TREE ON A CAR AT COLUMBIA RD.

0355 PM     HAIL             NEW SALEM               42.50N 72.33W
06/27/2008  E0.75 INCH       FRANKLIN           MA   AMATEUR RADIO

0433 PM     TSTM WND DMG     HAVERHILL               42.78N 71.09W
06/27/2008                   ESSEX              MA   BROADCAST MEDIA

            6 INCH DIAMETER LIMBS DOWN.

0435 PM     TSTM WND DMG     HAVERHILL               42.78N 71.09W
06/27/2008                   ESSEX              MA   AMATEUR RADIO

            WIRES DOWN ON SOUTH WILLIAMS STREET.

0439 PM     TSTM WND DMG     HAVERHILL               42.78N 71.09W
06/27/2008                   ESSEX              MA   AMATEUR RADIO

            TREE ON CAR AT THE INTERSECTION OF BROADWAY AND LAKE
            STREETS.

0457 PM     FLASH FLOOD      HAVERHILL               42.78N 71.09W
06/27/2008                   ESSEX              MA   AMATEUR RADIO

            PRIMROSE STREET FLOODED.

&&

FNOCERA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 6:04 PM EDTAreal Flood AdvisoryBOXHillsborough116 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 2008Every severe thunderstorm warning in 2008

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.