June 12th Tornadoes Confirmed

The National Weather Service has confirmed the severe thunderstorms that moved southeast from Pennsylvania into Maryland on Sunday produced four tornadoes, two in Maryland and two in Pennsylvania.  The strongest one was rated EF-1 and touched down near Windsor in Pennsylvania with maximum winds of 90 mph, tracking 1.75 miles.  The tornado that touched down near Street, MD was slightly weaker but had a path nearly as long, 1.7 miles.  The complete reports from the National Weather Service are posted below.

Tom Tasselmyer

NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
500 PM EDT TUE JUN 14 2011

...NWS GROUND SURVEY CONFIRMS TWO EF-0 TORNADOES IN HARFORD COUNTY
MARYLAND...

A STORM DAMAGE ASSESSMENT TEAM FROM THE NATIONAL WEATHER SERVICE
BALTIMORE-WASHINGTON WEATHER FORECAST OFFICE CONDUCTED A GROUND
SURVEY YESTERDAY...MONDAY...OF STORM DAMAGE ACROSS HARFORD COUNTY
MARYLAND.

THE DAMAGE SURVEYED RESULTED FROM THE STORMS THAT OCCURRED ON
SUNDAY AFTERNOON JUNE 12. AREAS SURVEYED INCLUDED NORTH CENTRAL...
CENTRAL AND SOUTHEAST HARFORD COUNTY.

THE SURVEY FINDINGS ARE DETAILED BELOW.

BESIDES THE DAMAGE SURVEYED FOR THE TWO TORNADOES...DOCUMENTED
BELOW...THE SURVEY TEAM EVIDENCE OF STRAIGHT-LINE WIND DAMAGE...
ALL TO TREES...IN WIDELY SCATTERED LOCATIONS IN AREAS SURVEYED...
INCLUDING GRIER NURSERY ROAD SOUTH OF DEER CREEK...MARYLAND ROUTE
543...ADY ROAD NEAR DEER CREEK AND GIBSON ROAD...AND SANDY HOOK
ROAD WEST OF U.S. ROUTE 1.

THE NATIONAL WEATHER SERVICE THANKS MEMBERS OF HARFORD COUNTY
EMERGENCY MANAGEMENT WHO ASSISTED WITH THE SURVEY.

...EF-0 TORNADO CONFIRMED NEAR STREET MARYLAND...

LOCATION...NORTH CENTRAL HARFORD COUNTY NEAR STREET MARYLAND
DATE...JUNE 12 2011
ESTIMATED TIME...4:07 PM TO 4:10 PM EDT
MAXIMUM EF-SCALE RATING...EF-0
MAXIMUM WIND SPEED...70 MPH
MAXIMUM PATH WIDTH...75 YARDS
LENGTH...1.7 MILES
BEGINNING LAT/LON...39.674N / 76.375W
ENDING LAT/LON...39.649N / 76.378W
* FATALITIES...NONE
* INJURIES...NONE

* 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...

A GROUND SURVEY CONDUCTED BY THE NATIONAL WEATHER SERVICE DETERMINED
AN EF-0 TORNADO WITH MAXIMUM WINDS ESTIMATED AT 70 MPH PRODUCED
TREE DAMAGE ALONG A 1.7 MILE LONG PATH. INITIAL DAMAGE OCCURRED
JUST NORTH OF STREET ALONG STREET ROAD...AND CONTINUED SOUTH
PRODUCING SCATTERED TREE DAMAGE ALONG MILLERS ROAD. TREES WERE
UPROOTED AND SNAPPED IN SPOTS ALONG THE PATH. NO DAMAGE TO ANY
STRUCTURES WAS OBSERVED.

THE TORNADO LIFTED SHORTLY AFTER CROSSING MILLERS ROAD JUST EAST
OF GRIER NURSERY ROAD AND WAS ESTIMATED TO HAVE LASTED FOR ABOUT
THREE MINUTES.

&&

...EF-0 TORNADO CONFIRMED NEAR BELCAMP MARYLAND...

LOCATION...SOUTHEAST HARFORD COUNTY NEAR BELCAMP MARYLAND
DATE...JUNE 12 2011
ESTIMATED TIME...4:50 PM
MAXIMUM EF-SCALE RATING...EF-0
MAXIMUM WIND SPEED...80 MPH
MAXIMUM PATH WIDTH...50 YARDS
LENGTH...0.2 MILES
BEGINNING LAT/LON...39.474N / 76.234W
ENDING LAT/LON...39.471N / 76.234W
* FATALITIES...NONE
* INJURIES...NONE

* 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...

A GROUND SURVEY CONDUCTED BY THE NATIONAL WEATHER SERVICE DETERMINED
A BRIEF EF-0 TORNADO WITH MAXIMUM WINDS ESTIMATED AT 80 MPH CAUSED
SIGNIFICANT TREE DAMAGE SURROUNDING A HISTORIC PROPERTY NEAR
RIVERSIDE PARKWAY AND PULASKI HIGHWAY. NEARLY THREE DOZEN TREES
WERE EITHER BLOWN DOWN OR TOPPED ON THIS PROPERTY. MANY OF THE
TREES WERE SNAPPED HIGHER UP...50 TO 60 FEET. A RESIDENT OF THE
PROPERTY REPORTED A SWIRLING GREY CLOUD OVER THE PROPERTY THAT
FELLED TREES AS IT MOVED ACROSS THE PROPERTY. NO DAMAGE TO A HOUSE
AND SHED ON THE PROPERTY WAS OBSERVED.

TREE DEBRIS CARRIED FROM THE PROPERTY LITTERED THE ADJOINING
RAILROAD TRACKS THAT PARALLEL PULASKI HIGHWAY. AN EYEWITNESS
OBSERVED LARGE TREE LIMBS BLOWING HORIZONTALLY ACROSS PULASKI
HIGHWAY...U.S. ROUTE 40 AS THE TORNADO CROSSED THE HIGHWAY.

THE TORNADO LIFTED SHORTLY AFTER CROSSING PULASKI HIGHWAY AND WAS
ON THE GROUND FOR LESS THAN ONE MINUTE.

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
523 PM EDT MON JUN 13 2011
...MULTIPLE TORNADOES CONFIRMED ON JUNE 12 2011...

...TORNADO CONFIRMED NEAR WINDSOR IN YORK COUNTY PENNSYLVANIA...

LOCATION...WINDSOR IN YORK COUNTY PENNSYLVANIA
DATE...JUNE 12 2011
ESTIMATED TIME...325 PM EDT
MAXIMUM EF-SCALE RATING...EF1
ESTIMATED MAXIMUM WIND SPEED...90 MPH
MAXIMUM PATH WIDTH...100 YARDS
PATH LENGTH...1 3/4 MILE LONG
BEGINNING LAT/LON...TBD
ENDING LAT/LON...TBD
* 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 STATE COLLEGE PA HAS CONFIRMED A
TORNADO NEAR WINDSOR IN YORK COUNTY PENNSYLVANIA ON JUNE 12 2011.
A NATIONAL WEATHER SURVEY TEAM AND STAFF FROM THE EMA OFFICE
CONDUCTED A STORM SURVEY TODAY. A WEAK EF1 TORNADO TOUCHED DOWN
IN EAST WINDSOR AT 325 PM...NEAR STATE ROUTE 624 AND MARYLAND
AVE. THE STORM LIFTED JUST EAST PLEASANT GROVE ROAD NEAR STATE
ROUTE 74. SIX HOMES WERE AFFECTED...WITH TREES FALLING NEAR OR ON
THEM. OVERALL...50 TREES WERE DAMAGED OR DOWNED. MOST OF THE TREES
WERE FELL IN A NORTH TO SOUTH DIRECTION.

...TORNADO CONFIRMED NEAR SPRINGVALE IN YORK COUNTY PENNSYLVANIA...

LOCATION...SPRINGVALE IN YORK COUNTY PENNSYLVANIA
DATE...JUNE 12 2011
ESTIMATED TIME...330 PM EDT
MAXIMUM EF-SCALE RATING...EF0
ESTIMATED MAXIMUM WIND SPEED...75 MPH
MAXIMUM PATH WIDTH...50 YARDS
PATH LENGTH...3/4 MILE LONG
BEGINNING LAT/LON...TBD
ENDING LAT/LON...TBD
* 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 STATE COLLEGE PA HAS CONFIRMED A
TORNADO NEAR SPRINGVALE IN YORK COUNTY PENNSYLVANIA ON JUNE 12
2011.
A NATIONAL WEATHER SERVICE SURVEY TEAM AND STAFF FROM THE EMA
OFFICE CONDUCTED A STORM SURVEY TODAY. AN EF0 TORNDO TOUCHED
DOWN AT 330 PM 1/4 MILE NORTHEAST OF SPRINGVALE...EAST OF RED
LION. THE TORNADO LIFTED OFF JUST SOUTH OF BAHNSMILL ROAD AT 331
PM. A COUPLE OF HOMES WERE AFFECTED...WITH ONE TREE DOWN ON A
HOUSE. A TOTAL OF 15 TREES WERE DAMAGED OR DOWNED.
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