Upper North Platte River Basin Severe Watches & Warnings NOAA Weather Radio

Public Information Statement
Statement as of 6:14 am MDT on April 21, 2014

...Public information statement...

...Severe weather awareness week begins today in Wyoming...

The week of April 21 to April 25 has been designated severe weather awareness week in Wyoming. Each morning this week the National Weather Service (nws) in Cheyenne will issue public information statements focusing on a different topic each day.

Topics of discussion include...

Monday...NWS watch and warning program and climatology Tuesday...severe weather hazards Wednesday...weather information sources Thursday...lightning safety Friday...severe weather safety and the statewide tornado drill

By definition...a severe thunderstorm contains hail that is one inch in diameter or larger...generates straight line winds of 58 mph or stronger...and/or produces a tornado. The NWS does not consider lightning...regardless of intensity...as criteria for a severe thunderstorm. However lightning causes 55-60 fatalities and 400 injuries each year nationally...and thursdays topic will discuss lightning safety.

A Tornado Watch means...NWS meteorologists have determined that conditions are favorable for tornado development in your area.

A Severe Thunderstorm Watch means...NWS meteorologists have determined that severe thunderstorms are likely to occur in your area...but tornadic development is not as favorable.

For a tornado or Severe Thunderstorm Watch...remain alert for approaching storms...and be ready to take action if a warning is issued.

A Tornado Warning means...NWS meteorologists have determined that a tornado is occurring...or likely to occur within minutes...in a specified area.

A Severe Thunderstorm Warning means...NWS meteorologists have determined that a severe thunderstorm producing damaging winds and/or large hail is occurring or likely to occur.

For a tornado or Severe Thunderstorm Warning...take immediate action to help protect life and property.

The severe weather season in Wyoming usually runs from may through September. Over 70 percent of all severe weather reports...including large hail...damaging winds...and tornadoes occur from may through July...with over 80 percent of tornadoes occurring in the same time frame. The majority of the severe weather occurs between the hours of 2 PM and 7 PM.

For more information about severe weather preparedness on the web...go to www.NWS.NOAA.Gov/om/severeweather/resources/ttl6-10.Pdf.

Staff members from the NWS in Cheyenne are available to conduct presentations regarding weather safety...awareness...careers...and numerous other topics. To schedule a presentation for your school... community...church...or civic group please call 1-800-269-6220.

Attention media...in order for severe weather awareness week to be effective...media coverage is critical. Please use the public information statements in your news programs to help promote severe weather safety. We also encourage media interviews. Please contact the NWS in Cheyenne if you are interested.

Rob Cox science and operations officer National Weather Service Cheyenne WY weather.Gov/Cheyenne

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