National Weather Service United States Department of Commerce

Grand Junction, CO

Weather Forecast Office

GJT Significant Weather Report Info

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Significant Weather Phenomena to Report to the National Weather Service

Large thunder storm over city at sunset

  • Tornado, Funnel Cloud, or Wall Cloud
  • Hail of any size
  • Wind gusts greater than 40 mph
  • Heavy rain and/or high rainfall rates
  • Flash Flooding
  • Street, parking lot, or underpass flooding
  • Weather-related damage of any kind
  • Unusual or questionable weather
  • Heavy snow or high snowfall rates
  • Dense Fog or Smoke (visibilities less than 1/2 mile)
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