Sempy, Humbert, Saint-Michel-sous-Bois Région Nord-Pas-de-Calais France (50.50 N, 1.94 E) 23-08-2010 (Monday) 01:45 UTC (+/- 5 min.)
based on: information from a report by a weather service, a newspaper report, a report in scientific literature, photograph(s) and/or video footage of the inflicted damage, a report on a website land use: land land use where event was first observed: land intensity: F2 T5 the intensity rating was based on a damage survey by a severe weather expert, a written account of the damage (e.g. in a newspaper), photograph(s) and/or video footage of the inflicted damage. path length: 4.5 km maximum path width: 50 m direction of movement: SW-NE tornado struck the local areas S and E of Humbert and hit St.-Michel-sous-Bois; trees snapped; damages to farmland; chapell and farm damaged; Keraunos estimates EF2; F2 T5 estimated by T.Kühne (ESWD manag.); source: "LA TORNADE DU 23 AOUT 2010 A HUMBERT (62)", KERAUNOS, Mahieu / Wesolek; AUG 2010; http://www.keraunos.org/dossier-tornade-humbert-23-aout-2010 -tornade-france.htm
report status: event fully verified (QC2)
contact: Thilo Kühne (ESWD management) [e-mail]
Eine ausführliche Schadensanalyse haben in diesen Fall auch schon unsere Kollegen aus Frankreich (Verein Keraunos) hingelegt. Sehr vorbildlich.