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Tornado
TornadoTornado Safety
Tornadoes are nature’s most violent storm and can cause widespread devastation in seconds. Spawning from strong thunderstorms, a tornado appears as a rotating funnel-shaped cloud that extends to the ground with whirling winds. Tornadoes are rated on the Enhanced Fujita (EF) Scale between 0 and 5.

Operational Enhanced Fujita Scale
EF Number
3 Second Gust (MPH)
0
65-85
1
86-110
2
111-135
3
136-165
4
166-200
5
Over 200


Peak tornado season for the City of McKinney is March through May, but there are still possibilities through summer and fall. Tornadoes may strike quickly with little or no warning and may appear translucent until dust and debris are picked up or a cloud forms in the funnel.

Watch Versus Warning
Tornado Watch: Issued when the conditions are favorable for a tornado to be produced. Watch the sky for signs of the storm and stay tuned to weather and news sources

Tornado Warning: Issued when a tornado has been sighted by storm spotters or indicated on radar. Take shelter immediately when there is a tornado warning for the City of McKinney or Collin County.


Contact Us
Office of Emergency Management
Email

McKinney Fire Department
2200 Taylor-Burk Dr.
McKinney, TX 75071
Map

Ph 972-547-2700
Fax 972-547-2858

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