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On July 12, a ] ] developed over eastern ] in association with a ] in southwestern ]. Daytime heating in the ] led to moderate instability, a key factor in the development of ]. With conditions favorable for the development of a ], the ] issued a ] was issued at 12:40 p.m. ] (16:40 ]).<ref name="Tornadowatch">{{cite web| author=Thompson| date=]| title=Severe Weather Watch #593 (Tornado Watch)| publisher=]| accessdate=2008-11-29|url=http://www.spc.noaa.gov/products/watch/2006/ww0593.html}}</ref> At around 1:05 p.m. EDT (17:05 UTC), a thunderstorm produced winds up to 60&nbsp;] (95&nbsp;]) in ], which snapped tree limbs and damaged power lines.<ref name="Tstmwind">{{cite web| author=Stuart Hinson| year=2006| title=July 12, Weather Event #625642 (Thunderstorm Wind)| publisher=]| accessdate=2008-11-29|url=http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwevent~ShowEvent~625642}}</ref> A stronger thunderstorm developed around 2 p.m. EDT (18:00 UTC) and produced a ] near ] at around 2:45 p.m. EDT (18:45 UTC), no damage was associated with the funnel.<ref name="NJFunnel">{{cite web| author=Stuart Hinson| year=2006| title=July 12, Weather Event #625643 (Funnel Cloud)| publisher=]| accessdate=2008-11-29|url=http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwevent~ShowEvent~625643}}</ref> That same storm became stronger and developed into a supercell thunderstorm as it crossed into ]. At around 3:30 p.m. EDT (19:30 UTC), an ] tornado touched down near ] along the ] in ]. The 100&nbsp;] (91&nbsp;]) wide tornado touched down on a dock before becoming a ] as it took a 3&nbsp;] (4.8&nbsp;]) path across the river. The tornado passed near the ] before crossing into ].<ref name="Tornado1">{{cite web| author=Stuart Hinson| year=2006| title=July 12, Weather Event #626587 (Tornado)| publisher=]| accessdate=2008-11-29|url=http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwevent~ShowEvent~626587}}</ref> On July 12, a ] ] developed over eastern ] in association with a ] in southwestern ]. Daytime heating in the ] led to moderate instability, a key factor in the development of ]. With conditions favorable for the development of a ], the ] issued a ] was issued at 12:40 p.m. ] (16:40 ]).<ref name="Tornadowatch">{{cite web| author=Thompson| date=]| title=Severe Weather Watch #593 (Tornado Watch)| publisher=]| accessdate=2008-11-29|url=http://www.spc.noaa.gov/products/watch/2006/ww0593.html}}</ref> At around 1:05 p.m. EDT (17:05 UTC), a thunderstorm produced winds up to 60&nbsp;] (95&nbsp;]) in ], which snapped tree limbs and damaged power lines.<ref name="Tstmwind">{{cite web| author=Stuart Hinson| year=2006| title=July 12, Weather Event #625642 (Thunderstorm Wind)| publisher=]| accessdate=2008-11-29|url=http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwevent~ShowEvent~625642}}</ref> A stronger thunderstorm developed around 2 p.m. EDT (18:00 UTC) and produced a ] near ] at around 2:45 p.m. EDT (18:45 UTC), no damage was associated with the funnel.<ref name="NJFunnel">{{cite web| author=Stuart Hinson| year=2006| title=July 12, Weather Event #625643 (Funnel Cloud)| publisher=]| accessdate=2008-11-29|url=http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwevent~ShowEvent~625643}}</ref> That same storm became stronger and developed into a supercell thunderstorm as it crossed into ]. At around 3:30 p.m. EDT (19:30 UTC), an ] tornado touched down near ] along the ] in ]. The 100&nbsp;] (91&nbsp;]) wide tornado touched down on a dock before becoming a ] as it took a 3&nbsp;] (4.8&nbsp;]) path across the river. The tornado passed near the ] before crossing into ].<ref name="Tornado1">{{cite web| author=Stuart Hinson| year=2006| title=July 12, Weather Event #626587 (Tornado)| publisher=]| accessdate=2008-11-29|url=http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwevent~ShowEvent~626587}}</ref>


The tornado hit the town of ] around 3:37 p.m. EDT (19:37 UTC), two minutes later, a 58&nbsp;mph (93&nbsp;km/h) wind gust was reported along the periphery of the tornado. As the tornado neared ], it intensified into an F2 system, packing winds up to 157&nbsp;mph (253&nbsp;km/h), and struck the California Closet Warehouse. At this time, the tornado was estimated to be 300&nbsp;yd (274&nbsp;m) wide. Shortly after, the tornado weakened back to F1 intensity. Minor damage was reported through the ] in ] as the tornado neared the New York/] border. The track length through Westchester County was measured at around 8&nbsp;mi (12.8&nbsp;km).<ref name="Tornado2">{{cite web| author=Stuart Hinson| year=2006| title=July 12, Weather Event #626588 (Tornado)| publisher=]| accessdate=2008-11-29|url=http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwevent~ShowEvent~626588}}</ref> After crossing the border into ], the tornado weakened further before lifting at 4:03 p.m. EDT (20:03 UTC) in ] after traveling 2&nbsp;mi (3.2&nbsp;km) in Connecticut. Another brief touchdown may have occurred shortly after near the ].<ref name="Tornado3">{{cite web| author=Stuart Hinson| year=2006| title=July 12, Weather Event #606978 (Tornado)| publisher=]| accessdate=2008-11-29|url=http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwevent~ShowEvent~606978}}</ref> The tornado tracked across a total of 13&nbsp;mi (20.9&nbsp;km) through two states over a period over 33 minutes.<ref name="MSSum">{{cite web| date=2006-7-14| title=Summary of Tornado| publisher=] in Upton, New York| accessdate=2008-11-29|url=http://www.erh.noaa.gov/okx/pns/torjul06.txt}}</ref> The tornado hit the town of ] around 3:37 p.m. EDT (19:37 UTC), two minutes later, a 58&nbsp;mph (93&nbsp;km/h) wind gust was reported along the periphery of the tornado. As the tornado neared ], it intensified into an F2 tornado, packing winds up to 157&nbsp;mph (253&nbsp;km/h), and struck the California Closet Warehouse. At this time, the tornado was estimated to be 300&nbsp;yd (274&nbsp;m) wide. Shortly after, the tornado weakened back to F1 intensity. Minor damage was reported through the ] in ] as the tornado neared the New York/] border. The track length through Westchester County was measured at around 8&nbsp;mi (12.8&nbsp;km).<ref name="Tornado2">{{cite web| author=Stuart Hinson| year=2006| title=July 12, Weather Event #626588 (Tornado)| publisher=]| accessdate=2008-11-29|url=http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwevent~ShowEvent~626588}}</ref> After crossing the border into ], the tornado weakened further before lifting at 4:03 p.m. EDT (20:03 UTC) in ] after traveling 2&nbsp;mi (3.2&nbsp;km) in Connecticut. Another brief touchdown may have occurred shortly after near the ].<ref name="Tornado3">{{cite web| author=Stuart Hinson| year=2006| title=July 12, Weather Event #606978 (Tornado)| publisher=]| accessdate=2008-11-29|url=http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwevent~ShowEvent~606978}}</ref> The tornado tracked across a total of 13&nbsp;mi (20.9&nbsp;km) through two states over a period over 33 minutes.<ref name="MSSum">{{cite web| date=2006-7-14| title=Summary of Tornado| publisher=] in Upton, New York| accessdate=2008-11-29|url=http://www.erh.noaa.gov/okx/pns/torjul06.txt}}</ref>


==Impact== ==Impact==

Revision as of 02:36, 30 November 2008

Westchester Tornado of July 12, 2006
F2 tornado
An area where hundreds of trees were blown over.
Max. ratingF2 tornado
Fatalities6 Injuries
Damage$12.1 million
Most severe tornado damage; see Fujita scale

The Westchester Tornado was an F2 tornado that touched down in Rockland New York

Meteorological synopsis

On July 12, a supercell thunderstorm developed over eastern New Jersey in association with a surface low-pressure area in southwestern Ontario. Daytime heating in the Tri-State Region led to moderate instability, a key factor in the development of showers and thunderstorms. With conditions favorable for the development of a tornado, the Storm Prediction Center issued a tornado watch was issued at 12:40 p.m. EDT (16:40 UTC). At around 1:05 p.m. EDT (17:05 UTC), a thunderstorm produced winds up to 60 mph (95 km/h) in Warren County, which snapped tree limbs and damaged power lines. A stronger thunderstorm developed around 2 p.m. EDT (18:00 UTC) and produced a funnel cloud near Carlstadt at around 2:45 p.m. EDT (18:45 UTC), no damage was associated with the funnel. That same storm became stronger and developed into a supercell thunderstorm as it crossed into New York. At around 3:30 p.m. EDT (19:30 UTC), an F1 tornado touched down near Grand View-on-Hudson along the Hudson River in Rockland County. The 100 yard (91 m) wide tornado touched down on a dock before becoming a waterspout as it took a 3 miles (4.8 km) path across the river. The tornado passed near the Tappen Zee Bridge before crossing into Westchester County.

The tornado hit the town of Sleepy Hollow, New York around 3:37 p.m. EDT (19:37 UTC), two minutes later, a 58 mph (93 km/h) wind gust was reported along the periphery of the tornado. As the tornado neared New York State Route 9A, it intensified into an F2 tornado, packing winds up to 157 mph (253 km/h), and struck the California Closet Warehouse. At this time, the tornado was estimated to be 300 yd (274 m) wide. Shortly after, the tornado weakened back to F1 intensity. Minor damage was reported through the Kensico Reservoir in Valhalla as the tornado neared the New York/Connecticut border. The track length through Westchester County was measured at around 8 mi (12.8 km). After crossing the border into Fairfield County, Connecticut, the tornado weakened further before lifting at 4:03 p.m. EDT (20:03 UTC) in Greenwich after traveling 2 mi (3.2 km) in Connecticut. Another brief touchdown may have occurred shortly after near the Merritt Parkway. The tornado tracked across a total of 13 mi (20.9 km) through two states over a period over 33 minutes.

Impact

File:DCP 7760.JPG
Tornado damage near a forested area

The tornado took a clear path through Rockland, Westchester, and Fairfield counties, downing or uprooting thousands of trees, and damaging several structures, including significant structural damage to the California Closest Warehouse. Six minor injuries were also reported due to the tornado. In all, the tornado caused $12.1 million (2006 USD; $12.9 million 2008 USD).

Aftermath

See also

References

  1. Thompson (2006-07-12). "Severe Weather Watch #593 (Tornado Watch)". Storm Prediction Center. Retrieved 2008-11-29. {{cite web}}: Check date values in: |date= (help)
  2. Stuart Hinson (2006). "July 12, Weather Event #625642 (Thunderstorm Wind)". National Climatic Data Center. Retrieved 2008-11-29.
  3. Stuart Hinson (2006). "July 12, Weather Event #625643 (Funnel Cloud)". National Climatic Data Center. Retrieved 2008-11-29.
  4. Stuart Hinson (2006). "July 12, Weather Event #626587 (Tornado)". National Climatic Data Center. Retrieved 2008-11-29.
  5. Stuart Hinson (2006). "July 12, Weather Event #626588 (Tornado)". National Climatic Data Center. Retrieved 2008-11-29.
  6. Stuart Hinson (2006). "July 12, Weather Event #606978 (Tornado)". National Climatic Data Center. Retrieved 2008-11-29.
  7. ^ "Summary of Tornado". National Weather Service in Upton, New York. 2006-7-14. Retrieved 2008-11-29. {{cite web}}: Check date values in: |date= (help)

External links

Category:F2 tornadoes Category:New York tornadoes Category:Connecticut tornadoes Category:Tornadoes of 2006