National Weather Service Raw Text Product

Displaying AFOS PIL: PNSBOX Received: 2018-07-26 21:15 UTC


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NOUS41 KBOX 262115
PNSBOX
CTZ002>004-MAZ002>024-026-RIZ001>008-272115-

Public Information Statement
National Weather Service Boston/Norton MA
515 PM EDT Thu Jul 26 2018

...NWS DAMAGE SURVEY FOR JULY 26 2018 TORNADO EVENT...

The National Weather Service confirmed two tornadoes
in Worcester County which touched down early this morning.
Both tornadoes occurred from the same parent thunderstorm cell.

.Tornado from Douglas, MA to Northbridge, MA...

Start Location...eastern Douglas in Worcester County, MA
End Location...southern Northbridge in Worcester County, MA
Date...July 26, 2018
Estimated Time...232 AM
Maximum EF-Scale Rating...EF-1
Estimated Maximum Wind Speed...100 mph
Maximum Path Width...200 yards
Path Length...4.4 miles
Beginning Lat/Lon...42.053 North, 71.698 West
Ending Lat/Lon...42.109 North, 71.656 West
* Fatalities...None
* Injuries...None

...Summary...
The first tornado touched down just south of Maple Street in East Douglas, 
where it produced most of its damage. The tornado tracked northeastward 
across Route 146 in the northwesternmost portion of Uxbridge, then crossed 
Sutton Street and headed into the southern part of Northbridge, where it 
lifted up near the Northbridge Middle School. The tornado was on the 
ground for 4.4 miles. The path width was maximized at 200 yards in 
East Douglas and became narrower in Uxbridge and Northbridge.

On Maple Street, just west of Monroe Street in East Douglas, numerous 
large maple and oak trees were downed. Many were uprooted or snapped 
mid-way up. Some trees landed on homes. There was well-defined evidence of 
convergence in the way that the trees fell. Eyewitnesses heard a loud roar 
for about 30 seconds. Thankfully no injuries occurred. 

Wind speeds were estimated at 100 mph, which is a EF-1 ranking on the 
Enhanced Fujita Scale, in East Douglas. Winds were estimated at 80 mph in
Uxbridge and Northbridge, which is a EF-0 ranking on the Enhanced Fujita 
Scale.

.Tornado in Upton, MA...

Start Location...western Upton in Worcester County, MA
End Location...western Upton in Worcester County, MA
Date...July 26, 2018
Estimated Time...241 AM
Maximum EF-Scale Rating...EF-1
Estimated Maximum Wind Speed...100 mph
Maximum Path Width...100 yards
Path Length...1.0 mile
Beginning Lat/Lon...42.167 North, 71.627 West
Ending Lat/Lon...42.181 North, 71.620 West
* Fatalities...None
* Injuries...None

...Summary...
The same parent storm dropped a second tornado in the town of Upton, MA.
It touched down on Hartford Avenue South, just south of the railroad 
tracks in West Upton. The tornado crossed Route 140 and produced most of 
its damage in the neighborhood of Ephram's Way, between Jonathans
Way and Warren Street. The tornado tracked a little farther to the
northeast into the southwest portion of the Upton State Forest before 
it lifted.

Winds were estimated at 70 to 80 mph near the railroad tracks where it 
began, or EF-0 on the Enhanced Fujita Scale. However, it intensified to
approximately 100 mph when it approached Ephram's Way, which is 
EF-1 on the Enhanced Fujita Scale. Large oak and maple trees were uprooted
and some were snapped. Some trees fell onto houses, causing some roof
damage. One roof on Route 140 was damaged when the strong winds got 
underneath it and flipped a portion of it over. No injuries were reported.

The National Weather Service in Norton, MA would like to express its
sincere appreciation to all of the towns' Fire and Police Departments
for their help with this survey and to the Massachusetts Emergency
Management Agency for all of their assistance with this survey, including
personally escorting us to the most severely damaged areas. We thank
the residents who allowed us to view the damage in their backyards and
listen to their accounts of the event. And, we would like to thank our
Skywarn amateur radio coordinators for their detailed information in 
helping to pinpoint the damage locations.

EF Scale: The Enhanced Fujita Scale classifies tornadoes into the
following categories:

EF0...Weak......65 to 85 mph
EF1...Weak......86 to 110 mph
EF2...Strong....111 to 135 mph
EF3...Strong....136 to 165 mph
EF4...Violent...166 to 200 mph
EF5...Violent...>200 mph

* The information in this statement is preliminary and subject to
change pending final review of the events and publication in NWS
Storm Data.

$$
Field/Notchey