Tornadoes on Monday (Complete Wrap-up)

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By Quincy Vagell on July 2, 2013, 4:30pm Last modified: July 3, 2013, 4:02pm

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Two tornadoes (an EF-1 and an EF-0) touched down in Connecticut on Monday and at least one other tornado was reported in the region, down in northern New Jersey, according to the National Weather Service (NWS).

The strongest tornado, an EF-1 with winds up to 90 MPH, touched down in Windsor Locks and traveled northeast into East Windsor around 1:30 p.m. on July 1st. It tracked along I-91 for a period of time and the tornado was on the ground for an estimated 2.3 miles. The width of the tornado was as wide as 200 yards. Damage was reported in the form of downed trees, shingles ripped off of homes and structural damage to a "sports bubble" at Sports World in East Windsor. Some witnesses reported seeing debris flying in the air.

The second tornado in Connecticut actually formed in the morning, around 11:00 a.m. That storm tracked from Greenwich to Stamford, just north of the Merritt Parkway. It had maximum winds of 80 MPH, a damage page of 3.7 miles and was up to 150 yards wide. There was extensive tree damage reported in the area, but there was no visible structural damage.

A warm, moist southerly flow had been set up across the Northeast for several days leading up to Monday. That morning as an upper level system swung through, there were increased amounts of wind shear (change of winds with height) and relatively strong winds aloft in place. This coupled with somewhat unstable conditions in the atmosphere and convection firing from southwest to northeast resulted in a few brief tornado spin-ups. Looking at past tornadoes in Connecticut, this setup is fairly common with historical tornado cases. Even though the atmosphere wasn't favoring classic "supercell" storm structures, there was enough support for a few weak tornadoes. The word "weak" is used relatively, as the tornadoes were strong enough to cause fairly widespread damage in the areas they impacted. (On a scale of 0-5, the stronger of the two tornadoes in Connecticut was a low end 1, or EF-1)

The tornado in northern New Jersey was also rated as an EF-0 with maximum winds up to 85 MPH. That was the first tornado reported in the tri-state (NY/CT/NJ) region on Monday. The tornado was on the ground from approximately 9:17 a.m. to 9:25 a.m. Later Monday afternoon there were several Tornado Warnings in eastern Massachusetts, but no additional tornadoes had been confirmed as of 4:30 p.m. Tuesday.

Below are the Public Information Statements issued by the NWS for the CT tornadoes:

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
614 PM EDT MON JUL 1 2013

...TORNADO CONFIRMED NEAR WINDSOR LOCKS IN HARTFORD COUNTY CONNECTICUT...

LOCATION...WINDSOR LOCKS IN HARTFORD COUNTY CONNECTICUT

DATE...JULY 1 2013
ESTIMATED TIME...130 PM EDT TO 135 PM EDT
MAXIMUM EF-SCALE RATING...EF1
ESTIMATED MAXIMUM WIND SPEED...86 MPH
MAXIMUM PATH WIDTH...200 YARDS
PATH LENGTH...2.5 MILES
BEGINNING LAT/LON...41.91N / 72.64W
ENDING LAT/LON...41.92N /72.62W
* FATALITIES...0
* INJURIES...0

* THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
CHANGE PENDING FINAL REVIEW OF THE EVENT(S) AND PUBLICATION IN
NWS STORM DATA.

...SUMMARY...
THE NATIONAL WEATHER SERVICE IN TAUNTON MA HAS CONFIRMED A TORNADO NEAR WINDSOR LOCKS IN HARTFORD COUNTY CONNECTICUT ON JULY 1 2013.
THIS DAMAGE SURVEY IS ONGOING AS OF THE ISSUANCE OF THIS STATEMENT. HOWEVER...IT HAS BEEN DETERMINED THAT A TORNADO OCCURRED IN HARTFORD COUNTY CONNECTICUT...BEGINNING NEAR RAYMOND ROAD AND ALICIA TERRACE IN WINDSOR LOCKS CONNECTICUT CONTINUING ACROSS THE CONNECTICUT RIVER AND ENDING IN THE 200 BLOCK OF MAIN STREET IN EAST WINDSOR CONNECTICUT. NUMEROUS TREES WERE DOWNED NEAR RAYMOND ROAD AND ALICIA TERRACE INCLUDING SOME THAT WERE DOWNED ONTO CARS AND HOUSES. AS THE TORNADO TRAVELED NORTHEASTWARD...TOBACCO TENTS WERE RIPPED OFF THE TOBACCO FIELDS AND SOME TOBACCO WAS FLATTENED. THIS CAN BE SEEN FROM INTERSTATE 91. SEVERAL EYEWITNESSES REPORTED DEBRIS BEING LOFTED INTO THE AIR AND NOISE THAT SOUNDED LIKE A FREIGHT TRAIN AS THE TORNADO MOVED THROUGH. WHILE MUCH OF THE DAMAGE WAS RATED EF-0...THERE WAS A SMALL AREA OF EF-1 DAMAGE WHERE A SPORTS BUBBLE AT SPORTS WORLD IN EAST WINDSOR CONNECTICUT COLLAPSED AND BLEW ONTO INTERSTATE 91. ADDITIONALLY...REPORTS WERE RECEIVED OF A SEMI TRUCK THAT WAS BLOWN OVER ON INTERSTATE 91 SOUTH AT EXIT 44 IN EAST WINDSOR.

PUBLIC INFORMATION STATEMENT 
NATIONAL WEATHER SERVICE NEW YORK NY 
254 PM EDT TUE JUL 2 2013 

...TORNADO CONFIRMED IN THE TOWNS OF GREENWICH AND STAMFORD IN 
FAIRFIELD COUNTY CONNECTICUT... 

LOCATION...GREENWICH TO STAMFORD IN FAIRFIELD COUNTY CONNECTICUT 

DATE...JULY 1 2013 

ESTIMATED TIME...1058 AM TO 1108 AM EDT 
MAXIMUM EF-SCALE RATING...EF-0 
ESTIMATED MAXIMUM WIND SPEED...80 MPH 
MAXIMUM PATH WIDTH...150 YARDS 
PATH LENGTH...3.7 MILES 
BEGINNING LAT/LON...41.11N / 73.63W 
ENDING LAT/LON...41.12N / 73.56W 
* FATALITIES...0 
* INJURIES...0 

* THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO CHANGE PENDING FINAL REVIEW OF THE EVENT(S) AND PUBLICATION IN NWS STORM DATA. 

..SUMMARY 
THE NATIONAL WEATHER SERVICE IN NEW YORK NY HAS CONFIRMED A TORNADO IN THE TOWNS OF GREENWICH AND STAMFORD IN FAIRFIELD COUNTY CONNECTICUT ON JULY 1 2013. THE TORNADO TOUCHED DOWN IN THE TOWN OF GREENWICH ON NORTH STREET JUST NORTH OF THE MERRITT PARKWAY. IT CONTINUED EAST-NORTHEAST INTO THE TOWN OF STAMFORD AND LIFTED ON JANES LANE APPROXIMATELY A HALF MILE WEST OF SCOFIELDTOWN ROAD. 

EXTENSIVE TREE DAMAGE WAS OBSERVED ALONG THE TORNADO PATH STARTING ON TACONIC ROAD AND CONTINUING ONTO SKYRIDGE ROAD. THE WORST TREE DAMAGE WAS OBSERVED JUST SOUTH OF THE INTERSECTION OF STAG LANE AND STANWICH ROAD. TREE DAMAGE CONTINUED ON CARRINGTON DRIVE AND AT THE MEAD HOUSE FARM. THE TORNADO STARTED TO WEAKEN AS IT MOVED INTO THE TOWN OF STAMFORD JUST SOUTH OF WEB HILLS ROAD AND LYNAM ROAD. NO VISIBLE STRUCTURAL DAMAGE WAS SEEN DURING THE SURVEY. 

THE NATIONAL WEATHER SERVICE WOULD LIKE TO THANK THE CONNECTICUT DEPARTMENT OF EMERGENCY SERVICES AND PUBLIC PROTECTION...TOWN OF GREENWICH PARKS AND TREES DIVISION...AND THE TOWN OF GREENWICH AND STAMFORD POLICE DEPARTMENTS.

Here are some additional storm reports from Monday across the Northeast:

Here are the tornadoes to date in 2013 across the region (click to zoom):



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Quincy Vagell

Town: Naugatuck, CT  

Reporting for WXedge since January 2012.

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