Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 133, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Sep 13, 2010, 5:59 PM EDT for Worcester County, Massachusetts. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 13, 2010, 5:59 PM EDT (21:59 UTC)
- Expired
- Sep 13, 2010, 6:45 PM EDT
- In force
- 46 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
County Worcester County, MA
The radar
The Boston radar (KBOX), 77 km from the middle of the area, began a volume at 22:02 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.0 hours before the alert went out and 183 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
- 64 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 561 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Sep 13, 5:56 PM EDT, 3 minutes earlier.
Area forecast discussion, Sep 13, 5:56 PM EDT, 3 minutes before
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</html>Hazardous weather outlook, Sep 13, 1:46 PM EDT, 4 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAUNTON MA 146 PM EDT MON SEP 13 2010 CTZ004-MAZ004>007-012>024-026-NHZ011-012-015-RIZ001>008-141800- WINDHAM CT-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 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- 146 PM EDT MON SEP 13 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...CENTRAL MASSACHUSETTS...EASTERN MASSACHUSETTS...NORTHEASTERN MASSACHUSETTS...SOUTHEASTERN MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE...NORTHERN RHODE ISLAND AND SOUTHERN RHODE ISLAND. .DAY ONE...THIS AFTERNOON AND TONIGHT. ANY THUNDERSTORMS THIS AFTERNOON AND EVENING MAY BE ACCOMPANIED BY GUSTY WINDS AND HAIL. THERE IS A LOW PROBABILITY OF AN ISOLATED SEVERE STORM...MAINLY ACROSS THE WESTERN HALF OF SOUTHERN NEW ENGLAND. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. INCREASING SWELL FROM HURRICANE IGOR WILL BRING AN INCREASED RISK FOR RIP CURRENTS POSSIBLY STARTING FRIDAY...BUT MORE LIKELY NEXT WEEKEND. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. CTZ002-003-MAZ002-003-008>011-141800- HARTFORD CT-TOLLAND CT-WESTERN FRANKLIN MA-EASTERN FRANKLIN MA- WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA- EASTERN HAMPDEN MA- 146 PM EDT MON SEP 13 2010 ...SEVERE THUNDERSTORM WATCH 655 IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS. .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. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. INCREASING SWELL FROM HURRICANE IGOR WILL BRING AN INCREASED RISK FOR RIP CURRENTS POSSIBLY STARTING FRIDAY...BUT MORE LIKELY NEXT WEEKEND. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. ANZ230>237-250-251-254>256-141800- 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- 146 PM EDT MON SEP 13 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS AND RHODE ISLAND COASTAL WATERS. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .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.
In the hours before
Special weather statement, Sep 13, 4:18 PM EDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 418 PM EDT MON SEP 13 2010 MAZ003-004-026-NHZ011-015-132100- CHESHIRE NH-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-NORTHWEST MIDDLESEX COUNTY MA-WESTERN AND CENTRAL HILLSBOROUGH NH- 418 PM EDT MON SEP 13 2010 AT 415 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SHORT LINE OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING SMALL HAIL ALONG A LINE EXTENDING 9 MILES SOUTHWEST OF JAFFREY TO 9 MILES EAST OF GREENFIELD...MOVING EAST AT 35 MPH. * SOME LOCATIONS AFFECTED INCLUDE...ROYALSTON...ORANGE...RINDGE... ATHOL...WINCHENDON...NEW IPSWICH...GREENVILLE...GARDNER AND ASHBURNHAM. FOR YOUR SAFETY...GET INSIDE WHEN THESE STORMS APPROACH TO SEEK PROTECTION FROM LIGHTNING. WINDS MAY BE STRONG ENOUGH TO BRING DOWN SMALL BRANCHES. MINOR STREET FLOODING AND PONDING OF WATER IN POOR DRAINAGE AREAS IS ALSO POSSIBLE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT MONDAY EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS. && LAT...LON 4278 7172 4255 7199 4258 7246 4278 7224 THOMPSON
Special weather statement, Sep 13, 4:44 PM EDT, 1 hour 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
444 PM EDT MON SEP 13 2010
CTZ002-003-132130-
HARTFORD CT-TOLLAND CT-
444 PM EDT MON SEP 13 2010
AT 438 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL OVER NEWINGTON...
MOVING EAST AT 30 MPH.
* SOME LOCATIONS AFFECTED INCLUDE...EAST HARTFORD...ROCKY HILL...
GLASTONBURY...MARLBOROUGH...HEBRON AND COLUMBIA.
FOR YOUR SAFETY...GET INSIDE WHEN THIS STORM APPROACHES. WINDS MAY BE
STRONG ENOUGH TO BRING DOWN SMALL BRANCHES. MINOR STREET FLOODING AND
PONDING OF WATER IN POOR DRAINAGE AREAS IS ALSO POSSIBLE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT MONDAY
EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS.
&&
LAT...LON 4179 7277 4170 7226 4166 7227 4164 7233
4161 7233 4160 7234 4159 7240 4160 7241
4158 7243 4158 7246 4164 7251 4162 7270
4160 7272 4162 7283
THOMPSONSpecial weather statement, Sep 13, 4:50 PM EDT, 1 hour 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
450 PM EDT MON SEP 13 2010
NHZ011-015-132130-
CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
450 PM EDT MON SEP 13 2010
AT 443 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SERIES OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING SMALL HAIL ALONG
A LINE EXTENDING FROM 4 MILES NORTHEAST OF HILLSBOROUGH TO 3 MILES
WEST OF MARLOW...ACROSS NORTHERN CHESHIRE AND HILLSBOROUGH
COUNTIES...MOVING EAST AT 25 MPH.
* SOME LOCATIONS AFFECTED INCLUDE...MARLOW...STODDARD...HILLSBOROUGH
AND WEARE.
FOR YOUR SAFETY...GET INSIDE WHEN THESE STORMS APPROACH. WINDS MAY BE
STRONG ENOUGH TO BRING DOWN SMALL BRANCHES. STREET FLOODING AND
PONDING OF WATER IN POOR DRAINAGE AREAS IS ALSO POSSIBLE.
&&
LAT...LON 4312 7185 4315 7167 4314 7165 4308 7164
4306 7225 4315 7229 4316 7217 4314 7217
4313 7204 4316 7203 4317 7189The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 4:34 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 41 min |
| Sep 13, 5:14 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 46 min |
| Sep 13, 6:10 PM EDT | Special Weather Statement | BOX | Middlesex | 50 min |
| Sep 13, 6:40 PM EDT | Special Weather Statement | BOX | Essex | 65 min |
| Sep 13, 6:59 PM EDT | Special Weather Statement | BOX | Middlesex | 31 min |
| Sep 13, 7:14 PM EDT | Special Weather Statement | BOX | Essex | 46 min |
| Sep 13, 6:48 PM EDT | Special Weather Statement | BOX | Providence | 42 min |
| Sep 13, 4:44 PM EDT | Special Weather Statement | BOX | 46 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2010Every severe thunderstorm warning in 2010
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.