File:Boundery waters Canadian Derecho radar image.png
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Summary
| Description |
English: The derecho-producing bow echo system, racing east southeastward at a speed of nearly 100 kph (62 mph), entered the Temiscamingue region of Quebec (QC) by late Sunday evening on July 4th (Fig 4). A gust of 100 kph (62 mph) was measured at Temiscaming, and a gust of 105 kph (65 mph) was measured at Angliers, with electrical power outages occurring in the region. There also was a tremendous amount of cloud-to-ground lightning associated with the bow echo thunderstorms, with up to 6000 strikes per hour
Français : Image radar et satellite du Derecho qui est passé du 4 au 5 juillet 1999 à la frontière canado-américaine. L'image montre la ligne orageuse entre 22h et minuit le 4 juillet alors qu'elle passait sur le Témiscamingue au Quéebec (Canada) et se dirigeait vers le Maine (États-Unis). Des rafales à 100 km/h furent mesurée au Témiscamingue à ce moment et le taux de foudre était de 6 000 éclairs à l'heure. |
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| Source | http://www.spc.noaa.gov/misc/AbtDerechos/casepages/jul4-51999page.htm |
| Author | Robert H. Johns and Jeffry S. Evans of the Storm Prediction Center modified Quebec Region Weather Prediction image |
Licensing
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This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:20, 14 August 2011 | | 600 × 402 (438 KB) | Pierre cb | {{Information |Description ={{en|1=The derecho-producing bow echo system, racing east southeastward at a speed of nearly 100 kph (62 mph), entered the Temiscamingue region of Quebec (QC) by late Sunday evening on July 4th (Fig 4). A gust of 100 kph (62 |
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