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Hazardous Weather Briefing

Hazardous Weather Briefing. Submitted: Noon , Sept 29, 2009. Severe Weather Potential September 30 and October 1, 2009.

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Hazardous Weather Briefing

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  1. Hazardous Weather Briefing Submitted:Noon, Sept 29, 2009 Severe Weather Potential September 30 and October 1, 2009 The following is a hazardous weather briefing provided by the National Weather Service in Topeka, KS. This briefing will be updated as needed and/or as staffing permits. This web briefing should not be used beyond 1 AM, September 30, or if local weather conditions become unrepresentative.

  2. IMPACTS • Wednesday Evening/Overnight: • Large Hail the primary threat • Isolated Damaging Winds • Thursday • Large Hail the primary threat • Damaging Winds • Tornadoes (mainly afternoon)

  3. TIMING • Wednesday Night • Elevated thunderstorms may produce large hail. • Thursday • Likely early morning hail threat • 2nd round of severe afternoon storms with hail, wind, and tornadoes possible • Uncertainty in exact timing and evolution

  4. Storm Prediction Center Outlook www.spc.noaa.gov Wednesday Severe Weather Outlook % Chance of Severe Weather

  5. Storm Prediction Center Outlook www.spc.noaa.gov Thursday Severe Weather Outlook % Chance of Severe Weather

  6. OVERVIEW • Large hail possible Wednesday night • 2nd round of severe weather possible on Thursday • Large hail, damaging winds, and tornadoes possible • Likely beginning as isolated supercells • Transitioning to fast moving squall line • Fall severe weather is not uncommon ALWAYS BE PREPARED!

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