Tornado Tally

Damage assessments have begun in the wake of Friday’s powerful storm system that brought a massive outbreak of tornadoes across the Midwest and South and left 39 dead.

So far, the National Weather Service (NWS) has confirmed 42 tornadoes from Friday: Indiana – 3; Virginia – 1; North Carolina – 2; Ohio – 5; West Virginia – 2; Kentucky – 8; Tennessee – 8; Alabama – 7; Mississippi – 1; Georgia – 5.

However, this number will rise as NOAA’s Storm Prediction Center (SPC) logged 107 preliminary tornado reports from Friday’s outbreak, according to Dr. Jeff Masters’ Wunderblog.

Dr. Masters notes that these preliminary reports are typically over counted by 15 percent and predicts the total number of tornadoes from Friday’s outbreak will probably finish in the 90 to 100 range.

The severe weather also brought damaging winds and hail.

Friday’s outbreak follows a separate storm system earlier in the week that spawned several tornadoes in the Midwest. The severe weather 28/29 February caused widespread property damage and left at least 12 dead.

NOAA issued 440 tornado warnings and 606 thunderstorm warnings last week alone. USA Today has an interesting article on how tornado forecasts saved countless lives.

The Insurance Information Institute’s facts and statistics are a useful resource on the insurance implications of tornadoes.

Latest information can also be found at Guy Carpenter’s online CAT-i bulletins and catastrophe modeling firm EQECAT’s CatWatch catastrophe reports.

See an animation of Friday’s developing severe weather system via NOAA’s GOES-13 satellite below:

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