Post on 20-Jan-2016
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May 31, 1985May 31, 1985Moshannon Forest TornadoMoshannon Forest Tornado
By By Henry MargusityHenry MargusitySr. MeteorologistSr. Meteorologist
AccuWeather.comAccuWeather.com
Newspaper HeadlinesNewspaper Headlines
Paths of the TornadoesPaths of the Tornadoes
Tracks Across PATracks Across PA
After 1985 TracksAfter 1985 Tracks
PA F0 TornadosPA F0 Tornados
PA F1 TornadoesPA F1 Tornadoes
PA F2 TornadoesPA F2 Tornadoes
PA F3 TornadoesPA F3 Tornadoes
PA F4 TornadoesPA F4 Tornadoes
PA F5 TornadoesPA F5 Tornadoes
Prior to the EventPrior to the Event
AccuWeather.com “Swarm of Tornadoes”AccuWeather.com “Swarm of Tornadoes”
Storms Forecast Center. Moderate Risk Storms Forecast Center. Moderate Risk Prior..Downgraded to Slight that Day.Prior..Downgraded to Slight that Day.
TV/Radio Stations OH and PA. Severe TV/Radio Stations OH and PA. Severe Weather Including Tornadoes. Weather Including Tornadoes.
Facts of the Moshannon TornadoFacts of the Moshannon Tornado
Longest Path at 69 milesLongest Path at 69 miles
Almost 2 miles wide in placesAlmost 2 miles wide in places
EF4 Tornado with winds 200-250 mphEF4 Tornado with winds 200-250 mph
Went over 1500-2000 Ft MountainsWent over 1500-2000 Ft Mountains
Most of the Damage in the ForestMost of the Damage in the Forest
Started at 7:35 pm. Ended at 9:00 pm.Started at 7:35 pm. Ended at 9:00 pm.
Tornado ComparisonTornado Comparison
EF Tornado ScaleEF Tornado Scale
Tornado Swath Seen on Google Tornado Swath Seen on Google Earth as Late 2005Earth as Late 2005
Tree Stripped of BarkTree Stripped of Bark
Trees FlattenTrees Flatten
Surface MapSurface Map
850 mb Level Morning of 31st850 mb Level Morning of 31st
700mb Level Morning of 31st700mb Level Morning of 31st
500 mb Level Eve May 31st500 mb Level Eve May 31st
300 mb level Eve May 31st300 mb level Eve May 31st
Morning Dayton SoundingMorning Dayton Sounding
1:00 pm Satellite Image1:00 pm Satellite Image
1:54 pm Satellite Image1:54 pm Satellite Image
4:00 pm Satellite Image4:00 pm Satellite Image
6:30 pm Satellite Image6:30 pm Satellite Image
7:30 pm Satellite Image7:30 pm Satellite Image
Radar from PittsburghRadar from Pittsburgh
Pittsburgh RadarPittsburgh Radar
Pittsburgh RadarPittsburgh Radar
Erie Radar at 6:37 pmErie Radar at 6:37 pm
Radar 7:45 pmRadar 7:45 pm
Radar on Google EarthRadar on Google Earth
Radar TechnologyRadar Technology
3D Radar Views3D Radar Views
Tornado TrackingTornado Tracking
Simulated RadarSimulated Radar
The EndThe End
Thank YouThank You
Questions?Questions?
Tornado Tracks in PATornado Tracks in PA
Radar TodayRadar Today