May 31, 1985 Moshannon Forest Tornado By Henry Margusity Sr. Meteorologist AccuWeather.com.

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

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

Radar from PittsburghRadar from Pittsburgh

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

May 31, 1985 Moshannon Forest Tornado By Henry Margusity Sr. Meteorologist AccuWeather.com.

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Transcript of May 31, 1985 Moshannon Forest Tornado By Henry Margusity Sr. Meteorologist AccuWeather.com.