Alert archive / Connecticut / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 41, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 5, 2005, 4:10 PM EDT. It was in force for 65 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 5, 2005, 4:10 PM EDT (20:10 UTC)
- Expired
- Aug 5, 2005, 5:15 PM EDT
- In force
- 65 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Counties, with a storm outline in the text
The radar
The Boston radar (KBOX), 102 km from the middle of the area, began a volume at 20:13 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 5, 4:20 PM EDT | TSTM WND DMG | Willington, CT | TREES DOWN ON SALEM STREET. |
| Aug 5, 4:35 PM EDT | TSTM WND DMG | Coventry, CT | TREES DOWN ON TWO ROADWAYS...BOTH ROADS CLOSED. |
| Aug 5, 4:55 PM EDT | TSTM WND DMG | Willington, CT | TREES AND WIRES DOWN IN THE CRYSTAL LAKE AREA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched 3 storm reports to this severe thunderstorm warning; the first came 10 minutes after it went out.
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
Brookhaven, NY (KOKX), launched 12:00Z, 8.2 hours before the alert went out and 119 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
- 441 J/kg
- Mixed-layer CIN
- -121 J/kg
- Mixed-layer LCL
- 1670 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KBOX 052010 SVRBOX CTC013-052115- /O.NEW.KBOX.SV.W.0041.050805T2010Z-050805T2115Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 410 PM EDT FRI AUG 5 2005 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... TOLLAND COUNTY IN NORTHERN CONNECTICUT THIS INCLUDES THE CITY OF MANSFIELD * UNTIL 515 PM EDT * AT 408 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 8 MILES NORTHWEST OF BOLTON...OR ABOUT NEAR VERNON...AND MOVING EAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... 8 MILES SOUTH OF SOMERS BY 415 PM EDT TOLLAND BY 420 PM EDT WILLINGTON...MANSFIELD AND 7 MILES NORTH OF COVENTRY BY 425 PM EDT 6 MILES SOUTH OF STAFFORD BY 430 PM EDT LAT...LON 4198 7247 4167 7244 4172 7226 4200 7220 $$ FRANK
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 Aug 5, 4:03 PM EDT, 7 minutes earlier.
Area forecast discussion, Aug 5, 4:03 PM EDT, 7 minutes before
CIGS. P6SM SCT-BKN060 AREAS SFC WND G35KT 1SM +TSRA CIGS
OVC020CB...AFT 23Z P6SM SCT050 BKN120.Hazardous weather outlook, Aug 5, 5:15 AM EDT, 10 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAUNTON MA 515 AM EDT FRI AUG 5 2005 CTZ002>004-MAZ002>024-026-NHZ011-012-015-RIZ001>008-060900- BARNSTABLE MA-BLOCK ISLAND RI-BRISTOL RI-CENTRAL MIDDLESEX MA- CHESHIRE NH-DUKES MA-EASTERN ESSEX MA-EASTERN FRANKLIN MA- EASTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HILLSBOROUGH NH- EASTERN KENT RI-EASTERN NORFOLK MA-EASTERN PLYMOUTH MA-HARTFORD CT- NANTUCKET MA-NEWPORT RI-NORTHERN BRISTOL MA-NORTHERN WORCESTER MA- NORTHWEST MIDDLESEX MA-NORTHWEST PROVIDENCE RI- SOUTHEAST MIDDLESEX MA-SOUTHEAST PROVIDENCE RI-SOUTHERN BRISTOL MA- SOUTHERN PLYMOUTH MA-SOUTHERN WORCESTER MA-SUFFOLK MA-TOLLAND CT- WASHINGTON RI-WESTERN AND CENTRAL HILLSBOROUGH NH-WESTERN ESSEX MA- WESTERN FRANKLIN MA-WESTERN HAMPDEN MA-WESTERN HAMPSHIRE MA- WESTERN KENT RI-WESTERN NORFOLK MA-WESTERN PLYMOUTH MA-WINDHAM CT- 515 AM EDT FRI AUG 5 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST CONNECTICUT...SOUTHWEST NEW HAMPSHIRE...AND MASSACHUSETTS FROM THE EAST SLOPES OF THE BERKSHIRES TO THE INTERSTATE 495 CORRIDOR IN NORTHEAST MASSACHUSETTS. .DAY ONE (TODAY AND TONIGHT)... A COLD FRONT WILL MOVE THROUGH NEW ENGLAND THIS AFTERNOON AND EVENING TRIGGERING SCATTERED THUNDERSTORMS. GUSTY WINDS AND HEAVY DOWNPOURS ARE EXPECTED TO BE THE MAIN THREAT IN ANY THUNDERSTORMS. A HEAT WAVE IN THE HARTFORD/SPRINGFIELD AREA OF THE CONNECTICUT RIVER VALLEY WILL COME TO AN END LATE THIS AFTERNOON. TODAY WILL BE THE 4TH DAY IN A ROW WITH TEMPERATURES AT OR ABOVE 90 DEGREES...AND A HEAT INDEX NEAR 100 DEGREES. THE FRONTAL PASSAGE LATE THIS AFTERNOON WILL BRING A DRIER AND RELATIVELY COOLER AIRMASS...BRINGING AN END TO THE HEAT WAVE JUST IN TIME FOR THE WEEKEND. .DAYS TWO THROUGH SEVEN (SATURDAY THROUGH THURSDAY)... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME...HOWEVER THERE EXISTS THE CHANCE FOR SCATTERED AFTERNOON THUNDERSTORMS FOR MID WEEK. .SPOTTER CALL TO ACTION STATEMENT... SKYWARN SPOTTERS SHOULD MONITOR CONDITIONS THIS AFTERNOON AND EVENING AND BE PREPARED TO RELAY REPORTS AS NEEDED TO THE NATIONAL WEATHER SERVICE. KAB
In the hours before
Special weather statement, Aug 5, 12:17 PM EDT, 3 hours 53 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 1217 PM EDT FRI AUG 5 2005 CTZ002>004-MAZ002>024-026-NHZ011-012-015-RIZ001>008-060100- BARNSTABLE MA-BLOCK ISLAND RI-BRISTOL RI-CENTRAL MIDDLESEX COUNTY MA- CHESHIRE NH-DUKES MA-EASTERN ESSEX MA-EASTERN FRANKLIN MA- EASTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HILLSBOROUGH NH- EASTERN KENT RI-EASTERN NORFOLK MA-EASTERN PLYMOUTH MA-HARTFORD CT- NANTUCKET MA-NEWPORT RI-NORTHERN BRISTOL MA-NORTHERN WORCESTER MA- NORTHWEST MIDDLESEX COUNTY MA-NORTHWEST PROVIDENCE RI- SOUTHEAST MIDDLESEX MA-SOUTHEAST PROVIDENCE RI-SOUTHERN BRISTOL MA- SOUTHERN PLYMOUTH MA-SOUTHERN WORCESTER MA-SUFFOLK MA-TOLLAND CT- WASHINGTON RI-WESTERN AND CENTRAL HILLSBOROUGH NH-WESTERN ESSEX MA- WESTERN FRANKLIN MA-WESTERN HAMPDEN MA-WESTERN HAMPSHIRE MA- WESTERN KENT RI-WESTERN NORFOLK MA-WESTERN PLYMOUTH MA-WINDHAM CT- INCLUDING THE CITIES OF...AMHERST...ATTLEBOROUGH...BARNSTABLE... BARRINGTON...BEVERLY...BOSTON...BRISTOL...BROCKTON...BROOKLINE... CAMBRIDGE...CHICOPEE...EAST HARTFORD...FALL RIVER...FALMOUTH... FITCHBURG...FRAMINGHAM...FRANKLIN...GLOUCESTER...GREENFIELD... HARTFORD...JAFFREY...KEENE...LAWRENCE...LEOMINSTER...LOWELL...LYNN... MANCHESTER...MANSFIELD...MILFORD...NANTUCKET...NASHUA... NEW BEDFORD...NEW BRITAIN...NEWBURYPORT...NEWINGTON...NEWPORT... NEWTON...NORTH ATTLEBOROUGH...NORTHAMPTON...PLAINFIELD...PLYMOUTH... PROVIDENCE...PUTNAM...QUINCY...SOMERVILLE...SOUTH KINGSTOWN... SPRINGFIELD...TAUNTON...VERNON...VINEYARD HAVEN...WALTHAM... WARWICK...WEST HARTFORD...WEYMOUTH...WILLIMANTIC...WINDSOR LOCKS... WOONSOCKET AND WORCESTER 1217 PM EDT FRI AUG 5 2005 ...ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE OVER SOUTHERN NEW ENGLAND THIS AFTERNOON AND EARLY EVENING... THUNDERSTORMS WILL DEVELOP ACROSS SOUTHERN NEW ENGLAND THIS AFTERNOON AND CONTINUE ACROSS SOUTHEASTERN SECTIONS INTO THIS EVENING. SOME OF THE THUNDERSTORMS WILL PRODUCE FREQUENT LIGHTNING...WIND GUSTS TO 40 MPH AND HEAVY DOWNPOURS. HEAVY DOWNPOURS MAY PRODUCE PONDING OF WATER IN AREAS OF POOR DRAINAGE. ISOLATED THUNDERSTORMS MAY PRODUCE DAMAGING WIND GUSTS WITH SPEEDS AROUND 60 MPH AND/OR LARGE HAIL. ALTHOUGH AN ISOLATED SEVERE THUNDERSTORM CANNOT BE RULED OUT ANYWHERE IN SOUTHERN NEW ENGLAND THIS AFTERNOON...THE RISK LOOKS TO BE GREATEST ACROSS RHODE ISLAND AND SOUTHEAST MASSACHUSETTS. THUNDERSTORMS WILL BE MOST LIKELY BETWEEN 1 PM AND 4 PM ACROSS SOUTHWEST NEW HAMPSHIRE...CENTRAL AND WESTERN MASSACHUSETTS AND NORTHERN CONNECTICUT. AFTER 3 OR 4 PM...THUNDERSTORM ACTIVITY IS EXPECTED TO BECOME MORE CONCENTRATED ACROSS EASTERN MASSACHUSETTS AND RHODE ISLAND. A FEW THUNDERSTORMS MAY PERSIST UNTIL 8 OR 9 PM OVER CAPE COD AND THE ISLANDS. SKYWARN SPOTTERS AND AMATEUR RADIO OPERATORS SHOULD MONITOR CONDITIONS THIS AFTERNOON AND EVENING...AND BE PREPARED TO RELAY THEIR REPORTS TO THE NATIONAL WEATHER SERVICE. PEOPLE OUTDOORS SHOULD KEEP AND EYE TO THE SKY THIS AFTERNOON. A FEW OF THE THUNDERSTORMS MAY DEVELOP VERY RAPIDLY. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES. THOMPSON
Special weather statement, Aug 5, 3:02 PM EDT, 1 hour 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 302 PM EDT FRI AUG 5 2005 MAZ004-005-026-051945- CENTRAL MIDDLESEX COUNTY MA-NORTHERN WORCESTER MA-NORTHWEST MIDDLESEX COUNTY MA- 302 PM EDT FRI AUG 5 2005 AT 259 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM WITH THE POTENTIAL TO PRODUCE WIND GUSTS TO 50 MPH AND SMALL HAIL OVER AYER...OR ABOUT 12 MILES EAST OF LEOMINSTER...MOVING EAST AT 20 MPH. THE THUNDERSTORM WILL BE NEAR...WESTFORD AND CARLISLE BY 320 PM EDT. INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES. FRANK
Special weather statement, Aug 5, 3:14 PM EDT, 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 314 PM EDT FRI AUG 5 2005 MAZ020-021-RIZ004>007-052030- BRISTOL RI-EASTERN KENT RI-NEWPORT RI-SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-WASHINGTON RI- 314 PM EDT FRI AUG 5 2005 ...LINE OF STRONG STORMS DEVELOPING JUST NORTH OF THE SOUTH COAST... AT 313 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS WITH THE POTENTIAL TO PRODUCE WIND GUSTS TO 50 MPH AND SMALL HAIL ALONG A LINE EXTENDING FROM FALL RIVER TO 4 MILES SOUTHWEST OF EAST GREENWICH...OR ALONG A LINE EXTENDING FROM FALL RIVER TO 8 MILES SOUTHWEST OF WARWICK...MOVING EAST AT 20 MPH. THUNDERSTORMS WILL BE NEAR...NORTH KINGSTOWN AND TIVERTON BY 320 PM EDT...WESTPORT BY 330 PM EDT...PRUDENCE ISLAND BY 340 PM EDT... PORTSMOUTH AND NEW BEDFORD BY 350 PM EDT...MARION BY 400 PM EDT. FRANK
Special weather statement, Aug 5, 3:19 PM EDT, 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 319 PM EDT FRI AUG 5 2005 MAZ008-009-052015- WESTERN HAMPDEN MA-WESTERN HAMPSHIRE MA- 319 PM EDT FRI AUG 5 2005 AT 317 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM WITH THE POTENTIAL TO PRODUCE WIND GUSTS TO 40 MPH 3 MILES EAST OF HUNTINGTON...OR ABOUT 10 MILES SOUTHWEST OF NORTHAMPTON...MOVING EAST AT 20 MPH. INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES. FRANK
Special weather statement, Aug 5, 3:49 PM EDT, 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 349 PM EDT FRI AUG 5 2005 MAZ005-006-014-052045- CENTRAL MIDDLESEX COUNTY MA-SOUTHEAST MIDDLESEX MA-WESTERN ESSEX MA- 349 PM EDT FRI AUG 5 2005 AT 347 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS WITH THE POTENTIAL TO PRODUCE WIND GUSTS TO 50 MPH AND SMALL HAIL ALONG A LINE EXTENDING FROM GEORGETOWN TO 2 MILES NORTH OF WILMINGTON TO 2 MILES EAST OF ACTON...OR ALONG A LINE EXTENDING FROM 8 MILES SOUTHWEST OF NEWBURYPORT TO 8 MILES SOUTH OF LAWRENCE TO 11 MILES NORTHWEST OF WALTHAM...MOVING EAST AT 20 MPH. THUNDERSTORMS WILL BE NEAR...WILMINGTON AND CONCORD BY 400 PM EDT... TOPSFIELD AND READING BY 410 PM EDT...WOBURN AND WINCHESTER BY 420 PM EDT...WAKEFIELD AND STONEHAM BY 430 PM EDT. FRANK
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 3:32 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 58 min |
| Aug 5, 4:29 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 61 min |
Nearby
Severe Thunderstorm Warnings in Connecticut, 2005Every severe thunderstorm warning in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.