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Blog Posts

  • 2022
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  • Ontario Tornado Update #3 - Aug 20

    By NTP, December 22, 2022

    NTP investigation has led to the confirmation of two tornadoes in northern ON on 20 Aug 2022

    Read the full article


  • Ontario Tornado Update #2 - Jul 18

    By NTP, December 22, 2022

    NTP investigation has led to the confirmation of an EF2 tornado in northern ON on July 18, 2022

    Read the full article


  • Ontario Tornado Update #1 - May 30

    By NTP, December 22, 2022

    NTP investigations have resulted in 4 new tornadoes and one updated tornado in NW ON on May 30

    Read the full article


  • 2023 NTP/NHP summer internships!

    By NTP, December 06, 2022

    The Northern Tornadoes Project and Northern Hail Project are now hiring summer interns, allowing for some exciting opportunities for undergraduate students and senior high school students in 2023.

    Read the full article


  • New ON tornadoes: September 20

    By NTP, December 02, 2022

    NTP investigation has resulted in the confirmation of 3 new tornadoes in NW ON on Sep 20

    Read the full article


  • New ON tornadoes: August 2 and 3

    By NTP, December 01, 2022

    NTP investigation has resulting in 7 tornadoes being identified in NW ON from Aug 2 and 3

    Read the full article


  • New ON tornadoes: July 28

    By NTP, December 01, 2022

    NTP investigation has resulted in the confirmation of a tornado in southern ON on July 28

    Read the full article


  • New QC tornadoes: July 20th

    By NTP, November 28, 2022

    NTP investigation has led to the confirmation of four new tornadoes in Quebec from thunderstorms on July 20th.

    Read the full article


  • New QC tornadoes: June 16th

    By NTP, November 28, 2022

    NTP investigation has led to the confirmation of six new tornadoes in Quebec from the storms on June 16th

    Read the full article


  • Maps for May 21st derecho and all 2022 ground surveys

    By NTP, November 25, 2022

    NTP has completed event summary maps for all 2022 ground and drone surveys, including a summary map for the May 21st Ontario-Quebec derecho.

    Read the full article


  • New QC/NB tornadoes from July 20/21

    By NTP, November 01, 2022

    NTP investigations have resulted in the confirmation of 7 new tornadoes in QC and NB from July 20/21

    Read the full article


  • Two new Ontario tornadoes

    By NTP, November 01, 2022

    NTP investigations have resulted in the confirmation of two weak tornadoes in southern Ontario from July and August.

    Read the full article


  • Several new events for SK and MB

    By NTP, October 04, 2022

    NTP investigations have resulted in 7 new events of various classifications in SK and MB

    Read the full article


  • Five ON Tornadoes on September 26

    By NTP, September 29, 2022

    NTP investigations have led to the confirmation of five tornadoes in Ontario over or near the shores of Lakes Erie and Ontario on September 26

    Read the full article


  • Late-season EF2 tornado in Northern Ontario

    By NTP, September 27, 2022

    An NTP satellite imagery analysis has identified a late-season EF2 tornado in Northern Ontario

    Read the full article


  • Tornado update for ON, QC and MB

    By NTP, September 14, 2022

    Tornado update for ON, QC and MB with five events from August and September

    Read the full article


  • Aug 29 tornado at Payne, ON

    By NTP, September 02, 2022

    An NTP investigation has resulted in the confirmation of an EF0 tornado at Payne, ON

    Read the full article


  • Aug 31st tornadoes in Ontario

    By NTP, September 02, 2022

    NTP investigations confirm two August 31st tornadoes in Ontario

    Read the full article


  • How to download NTP datasets - UPDATED

    By Francis Lavigne-Theriault, September 01, 2022

    A quick tutorial on how to download NTP datasets - with a couple of updates

    Read the full article


  • Weak tornado confirmed near Guelph

    By NTP, August 31, 2022

    NTP investigation concludes that a brief, weak tornado occurred near Darbyville, east of Guelph, on August 25th

    Read the full article


  • Prairie Tornado Update (#4)

    By NTP, August 26, 2022

    It's been busy enough on the Prairies that a fourth multi-event update is needed! This one covers events from June 10th to August 4th in Alberta and Saskatchewan that required extra work to get right.

    Read the full article


  • July 20th tornadoes in Ontario and Quebec

    By NTP, August 18, 2022

    The result of an NTP investigation into July 20th tornadoes in northeastern Ontario and western Quebec.

    Read the full article


  • Prairie Tornado Update (#3)

    By NTP, August 18, 2022

    A third update covering a string of Prairie tornado events from late June into July. This update covers the tornadoes of June 29th in Alberta and Saskatchewan.

    Read the full article


  • EF0 at Winchelsea, ON

    By NTP, August 11, 2022

    NTP confirmed an EF0 tornado at Winchelsea, ON from storms on August 8

    Read the full article


  • NTP damage survey results from July 24th tornado in eastern ON

    By NTP, July 29, 2022

    Preliminary NTP damage survey results from the July 24th tornado in eastern ON

    Read the full article


  • July 23rd tornadoes at Saint-Adolphe-d'Howard, QC

    July 28, 2022

    The results of the NTP investigation of the tornadoes at Saint-Adolphe-d'Howard, QC on July 23rd.

    Read the full article


  • Prairie Tornado Update (#2)

    By NTP, July 28, 2022

    Prairie Tornado Update (#2) based on investigations by NTP in collaboration with ECCC

    Read the full article


  • EF0 tornado at Wyoming, ON

    By NTP, July 26, 2022

    An NTP investigation has assessed weak damage at Wyoming, ON on the evening of July 19th as being caused by an EF0 tornado.

    Read the full article


  • Medicine Hat, AB area tornado and downburst confirmed

    By NTP, July 24, 2022

    An NTP ground survey and post-event investigation has led to the confirmation of both a tornado and a downburst in the Medicine Hat, AB area.

    Read the full article


  • EF1 Downburst at Thedford, ON

    By NTP, July 22, 2022

    An NTP investigation has concluded that storm damage near Thedford, ON on July 20th was due to a downburst

    Read the full article


  • Prairie Tornado Update (#1)

    By NTP, July 22, 2022

    Prairie Tornado Update (#1) based on investigations by NTP in collaboration with ECCC

    Read the full article


  • Canada Day tornado and downburst in southern QC

    By NTP, July 14, 2022

    NTP has documented a tornado and downburst in southern QC from storms on Canada Day

    Read the full article


  • May 21 derecho update #2 of 2: EF-scale contour map

    By NTP, June 28, 2022

    May 21 derecho update #2 of 2: NTP has completed a preliminary EF-scale contour map

    Read the full article


  • May 21 derecho update #1 of 2: one more EF2 tornado

    By NTP, June 27, 2022

    May 21 derecho update from NTP #1 of 2: one more EF2 tornado identified in southern Ontario

    Read the full article


  • Two EF0 tornadoes in ON from June 16th

    By NTP, June 21, 2022

    NTP investigations have resulted in confirmation of two EF0 tornadoes in Ontario from the June 16th storms: Brooklin and Carleton Place

    Read the full article


  • June 16 downbursts at Belleville and Mallorytown areas

    By NTP, June 20, 2022

    Damage surveys results from the June 16 storms in Ontario: downbursts in Belleville and Mallorytown areas

    Read the full article


  • NTP confirms three new tornadoes - in ON, AB and SK

    By NTP, June 12, 2022

    NTP has confirmed three new tornadoes that occurred between May 30 and June 10 in ON, AB and SK, including an EF2.

    Read the full article


  • NTP extends May 21st Ottawa-area EF2 downburst

    By NTP, June 09, 2022

    After additional analysis, NTP has extended to the ENE the May 21st Ottawa-area EF2 downburst that was embedded within the derecho.

    Read the full article


  • Uxbridge ON EF2 tornado UPDATE

    By NTP, May 31, 2022

    Updated information on the EF2 tornado from May 21st at Uxbridge, ON

    Read the full article


  • Two EF1 tornadoes in London, ON

    By NTP, May 27, 2022

    NTP has confirmed that two EF1 tornado occurred in London, ON on May 21st

    Read the full article


  • EF2 downburst in Ottawa

    By NTP, May 27, 2022

    An EF2 downburst has been confirmed as occurring with the May 21 derecho in Ottawa

    Read the full article


  • Uxbridge ON EF2 tornado

    By NTP, May 27, 2022

    Confirmation of an EF2 tornado along the leading edge of the May 21st derecho at Uxbridge, ON

    Read the full article


  • Landspout tornado near Caron, SK

    By NTP, May 18, 2022

    Landspout tornado near Caron, SK, on the evening of May 17th.

    Read the full article


  • First confirmed tornado of 2022

    By NTP, May 16, 2022

    First confirmed tornado of 2022 near Casselman, ON on May 15

    Read the full article


  • NTP Tornado Warning Performance Assessment

    By NTP, May 06, 2022

    NTP Tornado Warning Performance Assessment

    Read the full article


  • Strong downburst in NT

    By NTP, January 11, 2022

    Details on a strong, EF2 downburst that was documented in southwestern NT

    Read the full article


  • New Downbursts in BC and AB

    By NTP, January 10, 2022

    Details on downbursts identified by NTP in NE BC and NW AB

    Read the full article


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