![]() Approximately 28 million people were placed under tornado watches, including multiple PDS tornado watches, from the evening of March 31 through the overnight hours into the morning of April 1. The Storm Prediction Center (SPC) issued a rare high risk for severe weather in two areas of the Mississippi Valley on March 31, the first high risk issuance since March 25, 2021. No wonder, then, that historical maps, both on-screen and on paper, are an enduring source of wonder.Part of the tornado outbreaks of 20–23 North American winterġ Most severe tornado damage see Enhanced Fujita scaleĪ widespread, deadly, and historic tornado outbreak affected large portions of the Midwestern, Southern and Eastern United States on the last day of March and the first of April, the result of an extratropical cyclone that also produced blizzard conditions in the Upper Midwest. ![]() ![]() When he later took up hill walking, those OS maps took on an even greater significance. Following every bend in the road on an Ordnance Survey map seemed almost magical. Mike Bedford first remembers being fascinated with maps on childhood holidays in Cornwall in pre-sat nav days. To see this, select ‘historical imagery’ from the ‘view’ menu and then select a date using the slider control which will appear.Įxtract taken from an in-depth exploration of using maps in local and family history in the August issue of Family Tree magazine. Other populous parts of the UK plus many cities in mainland Europe, also have photography dating back to 1945 or even earlier. ![]() The availability differs around the globe but, for areas of high population density, you might find a good selection.įor central London, for example, there’s photography for 1945 plus many dates from 1999 to the present day. Note also, that Google Earth (as opposed to Google Maps) also has some historic aerial photography. Coverage is by no means complete, although the Central Band is well catered for. ![]() Scotland has many historic vertical images available at NLS Maps. ![]()
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