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Tornado Preparedness Saves Lives - Nat. Weather Service

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Tornado Preparedness Saves Lives - Nat. Weather Service

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This is a fantastic case study and overview showing how businesses can prepare for the hazards around them to cut the scope of impacts - preventing a natural hazard from becoming an unnatural disaster.

It centers on the experience and work of Parsons Manufacturing, a company that suffered a direct hit from an EF-4 tornado in 2004 but avoided any deaths.

Learn more at the company website:
https://www.parsonscompany.com/about/

This is a fantastic case study and overview showing how businesses can prepare for the hazards around them to cut the scope of impacts - preventing a natural hazard from becoming an unnatural disaster.

It centers on the experience and work of Parsons Manufacturing, a company that suffered a direct hit from an EF-4 tornado in 2004 but avoided any deaths.

Learn more at the company website:
https://www.parsonscompany.com/about/

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Tornado Preparedness Saves Lives - Nat. Weather Service

  1. 1. Strategic Planning & Disaster Protection for Business Ed Shimon & Chris Miller National Weather Service – Lincoln IL
  2. 2. Outline • Response process for hazardous events –Why is this important? • Effective planning –What are the weather hazards? –Human Resources –Physical Resources –Continuity of Operations
  3. 3. The Response Process
  4. 4. Parsons Co. – Roanoke, IL Hazardous Weather Safety Plan
  5. 5. Parsons Co. – Roanoke, IL Hazardous Weather Safety Plan PLANNING • Owner’s prior experience with a tornado • Concrete/steel reinforced shelters (3) for 240,000 ft2 • Emergency Response Team – Formal severe weather safety plan was formed – Semi-annual tornado drills
  6. 6. Parsons Co. – Roanoke, IL Hazardous Weather Safety Plan PRACTICE • Tornado drills twice each year – Drills were timed and evaluated – “Sweeping” technique practiced • Company weather spotters trained • Communications tested
  7. 7. Parsons Co. – Roanoke, IL Hazardous Weather Safety Plan MONITOR • Monitor NOAA Weather Radio − Take next step upon receipt of Severe Thunderstorm or Tornado Warnings • Notify ERT Coordinator − Company weather spotters activated
  8. 8. Parsons Co. – Roanoke, IL Hazardous Weather Safety Plan ACT • If a threat is confirmed, an announcement is made on company PA system to move to shelters • Employees go to designated shelters immediately − Supervisors “sweep” facility to verify all people in and around building are sheltered
  9. 9. Parsons Co. – Roanoke, IL Hazardous Weather Safety Plan – Employees go to designated shelters
  10. 10. Parsons Co. – Roanoke, IL Hazardous Weather Safety Plan ACT • Supervisors are the last to go to the shelters • Stay in the shelter until the “All Clear” is given by the ERT Coordinator
  11. 11. July 13, 2004 “The Parsons Company plan is put to the test…”
  12. 12. Timeline of 7/13/04 • 2:29 P.M. CDT – Lincoln, IL NWS office issues a Severe Thunderstorm Warning • 2:30 P.M. CDT – Parsons accounting department notifies the ERT
  13. 13. Timeline of 7/13/04 • 2:33 P.M. CDT – Parsons spotters see a funnel cloud forming 5 miles west-northwest of the facility
  14. 14. Timeline of 7/13/04 • 2:34 P.M. CDT –Parsons ERT notifies front office to make the shelter announcement on the PAsystem. –NWS Lincoln issues a Tornado Warning for Woodford county. –A tornado develops.
  15. 15. 2:34 P.M. CDT Photos by JasonMalson 2:35 P.M. CDT
  16. 16. Photo by Steve Smedley 2:36 P.M. CDT
  17. 17. Photo by ScottSmith 2:37 P.M. CDT
  18. 18. Timeline of 7/13/04 • 2:38 P.M. CDT –Parsons supervisors finish “sweeping” the facility. Everyone is accounted for. Total number of people present – 150. • 2:40 P.M. CDT –The last supervisor (ERT Coordinator) goes to shelter.
  19. 19. Photo by SamBertschi 2:40 P.M. CDT
  20. 20. Picture courtesy of Scott Smith – 5 0 0 yards west of Parsons Co. 2:41 P.M. CDT
  21. 21. Parsons Company – Before the tornado
  22. 22. Parsons Company – after the F4 tornado Photo by Peoria Journal-Star
  23. 23. Photo by Steve Smedley
  24. 24. .... . .... . ,
  25. 25. Impact of tornado at Parsons • Facility destroyed –NWS damage assessment • Tornado rated F4 at the Parsons Co. Wind estimate: nearly 200 mph • Center of ¼ mile wide tornado passed through the “north building” of the Parsons Co. • NO Injuries • NO Fatalities
  26. 26. What you can do to protect your most valuable asset – your employees!!
  27. 27. Severe Weather Planning –Know the high impact weather threats that could affect your area • Focus on Tornado and High Wind Events –Make the plan part of new employee orientation training
  28. 28. Severe Weather Planning Don’t be influenced by “storm myths” Tornadic “supercell” thunderstorm over Peoria, IL June 5, 2010 This storm produced 6 tornadoes – including one on the west side of Peoria
  29. 29. More tornadoes, severe storms & flash floods occur in the U.S. than ANY other country in the world! ATypical Year Brings: 6Hurricanes 1,270T ornadoes 5,000Floods 10,000Violent T hunderstorm s Drought Conditions 500Deaths 5,000Injuries $14 BinLosses Severe Weather Statistics…
  30. 30. Illinois Severe Weather Impacts A Typical Year: • 44 Tornadoes • 513 Severe T-storm Reports • 165 Reports of Flash Flooding
  31. 31. The Threat Area… Top 5 States for tornadoes 1. Florida 2. Oklahoma 3. Kansas 4. Iowa 5. Illinois “Tornado Alley” # of tornadoes per 10,000 sq miles Map: Average Annual T-storm Days
  32. 32. “Tornado Alley” in Illinois
  33. 33. Tornadoes: Monthly
  34. 34. Tornadoes: Time of Day Peak Time: 6:00 PM
  35. 35. Illinois Tornado Intensity F0 41.5% F1 30.9% F2 19.1% F4 2.1% F3 6.3% F5 0.1% F0 F1 F2 F3 F4 F5 Weak Wind < 110 mph Strong Wind: 110–165mph Violent Wind: > 165 mph
  36. 36. Severe Thunderstorm Ingredients 1.Lift • Fronts, heating of the ground, jet stream, etc… 2.Moisture • Gulf of Mexico & local vegetation 3.Instability • Cold, dry air in upper atmosphere – warm, moist air near the ground • Keeps storms strong for several hours
  37. 37. Supercell Thunderstorms “High Threat to Life & Property” • Severe Weather: – High winds & wind damage – Large Hail (bigger than a golf ball) – Heavy Rain & Flash Flooding – Tornadoes (higher potential for strong or violent) Photos by David Cashion, Steve Smedley, Kevin Osborne & John Smith
  38. 38. Tornado Formation “Classic Supercell” • Clues of Tornado Formation: 1. Large, rounded rain-free cloud base 2. Persistent wall cloud, with increasing rotation
  39. 39. Photo by Woodford Co. EMA Tornado Formation “Classic Supercell” • Clues of Tornado Formation: 3. Development of a funnel cloud, in or near the wall cloud 4. Rotation at the ground under the funnel cloud or wall cloud
  40. 40. Tornadic Supercell Storm: Tornado Radar View “Danger Zone” 6/5/10 Elmwood, IL (Peoria Co.)
  41. 41. Severe T-storm Wind Peak Time: 7:00 PM
  42. 42. Damaging Wind Types • Straight-line wind – Usually from a squall line – Downdraft spreads out ahead of a line of storms • Downbursts – Downdraft descends, making impact with the ground • Derechoes / Bow Echoes – Long lived “bowing” line of downburst clusters & tornadoes Photo courtesy Bill Bolton, WB0BBM
  43. 43. Watches – Tornado, Severe Thunderstorm & Flooding • Potential for severe t-storms, tornadoes, or flooding to develop • Watch for rapidly changing conditions • Typically 6 to 8 hours in length
  44. 44. Warnings • Tornado Warning: • Tornado reported or about to develop • May also contain large hail and wind damage • Severe Thunderstorm Warning: • Wind damage or gusts 58 mph or higher • Hail 1” or larger (size of a Quarter) • Flash Flood Warning: • Rapid flood of creeks, streams or small rivers • Streets / roads with more than 6” flowing water
  45. 45. Severe Weather Safety Plan • Human Resources – Form an “Emergency ResponseTeam” • Defines the details of the plan • Delegates the roles played by team members • Establishes criteria for enacting the plan and carries out the plan – Based on an NWS warning, local emergency management report, or your own storm spotters
  46. 46. Severe Weather Safety Plan • Human Resources – Designate “WeatherWatchers” • Methods to accomplish this: –Weather radio – Internet weather and radarsites –Message services –Local TV and radio – Your own stormspotters
  47. 47. Severe Weather Safety Plan • Human Resources – Clear, concisecommunications • Methods for alerting everyone, and for declaring an “all-clear” • Use of two-way radios, loudspeakers, intercom/public address system, cell phone text messages
  48. 48. Severe Weather Safety Plan • Human Resources – Conductexercises • In-house drills – Evaluate the time it takes to reachshelter (from the farthest point), and the effectiveness of the leaders »Severe Weather Awareness Week: First Tuesday in March each year
  49. 49. Severe Weather Safety Plan • Human Resources – Conductexercises • Full scale severe weather exercise – Include entire ERT, management and as many employees as possible – Test communications,readiness/sheltering, public information & COOP – Have “evaluators” from offsite (e.g. localEMA)
  50. 50. Severe Weather Safety Plan • Human Resources – Conductexercises • Full scale severe weather exercise…cont’d – Have a candid discussion with ERTand evaluators afterwards – Analyze areas for improvement as wellas “Best Practices” –Adjust plan accordingly
  51. 51. Severe Weather Safety Plan • Check “Physical Resources” –Define/build safe shelters • Interior of the building away from windows • Avoid large-span roofs • High structural integrity • Can be existing working space –Conference room, break room, restroom, storeroom
  52. 52. Severe Weather Safety Plan –Safe Shelters…cont’d • Capacity to meet the needs of everyone! – Employees – Visitors • Each shelter needs a “leader” who can account for people and know the plan
  53. 53. Severe Weather Safety Plan • Check “Physical Resources” –Inspect/evaluate the building • Have an engineer check the building to safeguard against potential hazards (wind): – Roof condition – Roof to wall connections – Overhangs or canopies – Exterior windows and doors – Signs, vent stacks, and rooftop mechanical systems
  54. 54. Severe Weather Safety Plan • Continuity of Operations Plan (COOP) –Helps to minimize the downtime and impacts of a disaster –Your business may be impacted, even if there is no damage: • Upstream loss – supplier/shipping suffers loss • Downstream loss – customers affected by a disaster
  55. 55. Summary • Based on numerous tornado event successes (and failures) nationwide – What works: –Structurally sound tornado shelters –A designated “Weather Watcher” –A proactive approach to a safety plan –Practice and drills
  56. 56. Final quote… “Preparedness, when properly pursued, is a way of life – not a sudden, spectacular program” Spencer W. Kimball, 1976
  57. 57. Additional Information –Institute for Business & Home Safety® www.disastersafety.org/text.asp?id=ofb_basic –Local Emergency Management Agency –American Red Cross –National Weather Service • Chris Miller, Warning Coordination Meteorologist e-mail: Chris.Miller@noaa.gov

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