This document summarizes a town hall discussion hosted by the National Weather Association about decisions and actions taken during the April 27, 2011 tornado outbreak in Alabama. The town hall included a panel of weather and emergency experts as well as members of the public affected by the storms. Participants discussed how they received and interpreted warnings, their experiences sheltering from the tornadoes, and ideas for improving the warning system in the future.
Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
NWA Societal Impacts Town Hall Slide Deck
1. Decisions and Actions: The April 27th Tornadoes Looking Back At How We Reacted An Interactive Town Hall Hosted by the National Weather Association
2. WelcomeDr. John Scala WGAL-TV Lancaster/Lebanon/Harrisburg PA Private Weather Consultant First On Air Storm Analyst The Weather Channel 2008 NWA President
3. Weather Trivia: What’s This Radar Feature? Comma Head Hook Echo Gravity Wave Tropical Wave Hail Spike Velocity Couplet
5. Weather Trivia: What Am I? This weather alert means conditions are favorable for tornadoes and you should monitor conditions and keep an eye to the sky Tornado Watch Tornado Warning Slight Risk
7. Decisions and Actions: The April 27th Tornadoes Looking Back At How We Reacted An Interactive Town Hall Hosted by the National Weather Association
8. Tonight’s Facilitators Dr. Laura Myers, Mississippi State University Kim Klockow, The University of Oklahoma
9. Tonight’s Panel Jim Stefkovich, NWS Birmingham Eric Jones, Emergency Manager Jerry Tracey, WVTM Birmingham Janet Teer, DCH Regional Medical Center Dr. Suzanne Freeman, Trussville City Schools Big Box Store Manager Jonathan Nelson, Birmingham Barons
10. Tonight’s Focus Group Member 1 Member 2 Member 3 Member 4 Member 5 Member 6 Member 7 Member 8 Member 9 Member 10
11. A Few Guidelines If you were affected by severe weather on April 27th, we want you to fix on the most significant storm for you and your community. As you answer questions, think about that storm.
13. Typically How Do You Receive Your Warnings While You Are Awake? (Choose all that apply) NOAA Weatheradio Outdoor Sirens Television Broadcasts Commercial Radio Broadcasts Email/Twitter/Internet/Smartphone Calling System (WeatherCall/Notify) Personal Observations of Sky Messages from Family/Friends
14. Typically How Do You Receive Your Warnings After Going to Sleep? I Don’t Have a Method That Wakes Me NOAA Weatheradio Siren Smartphone Calling System (WeatherCall/Notify)
15. Did You Own A NOAA Weatheradio on April 27th? No: But I Have Since No: Can’t Afford One No: Don’t Have Reception in My Area No: They Are Too Complicated to Use No: They Go Off Too Often Yes, But I Did Not Use it That Day Yes, And I Relied on it That Day Yes, But the Transmitter Was Out of Service Yes, But the Electricity Was Out/No Battery
16. If You Don’t Use Your Weatheradio, Is There a Reason? Goes Off Too Often Don’t Understand How to Program My Counties Into It It Warns Me for Storms That Are Not Near My Location Reception Is Not Good Forget To Turn It On
17. Peak Tornado Season in Alabama is March/April, with a Secondary Season in the Fall… Do You Pay More Attention to Events During the “Tornado Seasons”? Yes, I am More Aware During the Primary and Secondary “Tornado Seasons” No, I Treat All Potential Tornado Events With he Same Priority
18. Do You Feel Any of These Statements Apply to You? Our Community is Protected from Tornadoes by Terrain/Water Tornadoes Always Go Around Us
19. On Average, How Many Tornadoes Would You Say Hit Your County Each Year? 0 1-2 3-4 5-6 More than 6
20. On Average, How Many Tornado Warnings Are Issued For Your Residence Location Each Year? 0 1-3 4-6 6-10 More than 10
21. On Average, How Many Tornado Warnings Are Issued For Your Residence Location Each Year? 0 1-3 4-6 6-10 More than 10
23. Severe Weather is a Frequent Occurrence in Alabama… What Was Your Experience Before 4/27? Had Never Personally Experienced Damaging Weather Before Had Experienced Minor Damage from Severe Weather Had Experienced a Tornado, But Only Minor Damage Had Experienced Major Damage from a Tornado Had Suffered Injury in a Tornado
24. When Did You Become Aware of the Forecast for Bad Weather for Wednesday 4/27? Prior to the Weekend Before (5+ Days) The Weekend Before (3-4 Days) Monday/Tuesday (1-2 Days Before) Earlier on Wednesday, April 27th Was Not Aware Until Storms Struck I Don’t Recall
25. Were You Aware That Predictions Were That This Was Going to be an Unusually Severe Event? Yes No
26. You Started Taking Preliminary Precautions (Changed Plans, Cleaned Out Shelter, Stocked Supplies, etc.): In Days Leading Up To Event That Morning When Tornado Watch Was Issued When Storms Approached My Area When Warning Was Issued Didn’t Take Preliminary Precautions
27. How Did the Morning Storms Affect Your Perception of the Severe Weather Forecasted for the Afternoon? They Did Not Affect My Perception of the Danger Made Me More Aware of the Potential Danger Thought the Early Storms Were the Main Event Thought the Early Storms Would Keep the Afternoon Storms From Being as Severe Damage/Power Outages from Early Storms Made Me Unaware of the Afternoon Threat
28. Where Were You When Your Main Severe Weather Was Closest to You? At Home At Work At School In Car or Other Vehicle In a Business Other Than Work Outside
29. Who Was With You When the Storms Struck Your Area? No one Family, Including Children Family, No Children Friends Strangers Co-Workers
30. Did You Rely on Local Television to Follow the Severe Weather? Yes: One Station Yes: Multiple Stations (Switched Channel) No: Power Was Out No: Cable/Satellite Was Out No: Relied on Another Source No: Was Not Following Weather on TV
31. If You Came Under A Tornado Warning, How Did You First Hear of It? Siren Television/Commercial Radio (AM/FM) NOAA Weatheradio Internet Website/Social Media Friend or Family Did Not Hear the Warning
32. Did Sirens Sound in Your Area? Yes Don’t Know, Didn’t Hear Them No Don’t Recall
33. Do You Rely on Sirens to Signal A Severe Weather Threat? Yes No: Don’t Have Them in My Area No: Can’t Hear them Indoors No: Don’t Understand Siren Policies in My Area Don’t Recall
34. What Was Your Immediate Reaction to the Tornado Warning? Checked the Sky Turned to Another Source to Confirm Called Someone to Alert Them Immediately Took Protective Action Nothing, Warnings Happen All the Time Waited for More Information
35. What Sources Did You Use to Confirm the Threat? Check All That Apply: Television Broadcasts Commercial Radio Broadcasts Internet Social Media NOAA Weatheradio Message From Friend or Family Personal Observation Other
36. Were All of Your Weather Sources Communicating the Same Message? Yes: All Were Saying the Same Thing No, Some Sources Gave Conflicting Information
37. What Information Is Most Important To You In Interpreting Your Risk? Severity Of the Storm Proximity/Path of the Storm Potential Danger Posed by the Storm Suggested Protective Actions Hearing Specific Geographic Locations
38. How Important Is Visual Confirmation of the Storm in Prompting You to Take Protective Action? Not Important Somewhat Important Important Very Important
39. What Television Indicator Is Most Helpful To You in Evaluating Your Risk? Seeing the Past Motion of the Storm on Radar Seeing the Projected Track on Radar Seeing Live Video of Tornado Hearing Significant Damage Reports Seeing News Footage of Damage The Urgency in the Broadcaster’s Voice Wall to Wall Coverage of the Event
40. How Confident Were You in Your Understanding of the Warning Information You Were Hearing? Extremely Confident Moderately Confident Somewhat Confident Not very Confident Not Confident at All Unsure
41. On 4/27, How Confident Were You Of Your Ability to Take Appropriate Action? Not Confident at All Not Very Confident Somewhat Confident Very Confident
42. On April 27th, Did You Already Have a Tornado Safety Plan? No: And I Still Don’t No: But I Do Now No: But I Am Going to Develop One Yes: But I Did Not Follow It Yes: And I Did Follow It
43. Had You Discussed Your Tornado Plan With Your Children Before 4/27? Don’t Have Children at Home No: We Had Not Discussed It Yes: We Had Discussed It Yes: And We Reviewed It Periodically
44. If You Had a Plan, But Didn’t Follow It, Why Didn’t You? I Was in an Unfamiliar Place and Was Unaware of What to Do The Storms Never Were Close Enough to Warrant It I Was Not Aware of the Threat Not Applicable
45. If You Were Asked What the Primary Choices For Protective Action Should Be, What Would You Say (Check All) Interior Hallway Basement Highway Overpass Bathroom Storm Shelter Ditch or Ravine Small room, lowest floor, middle of house Safe Room Designated Shelter Area
46. Did You Ever Take Protective Action? Yes No: “Warnings Happen All the Time” No: “Tornadoes Don’t Hit My Area” No: Had No Viable Shelter Options No: “If It’s My Time to Go, It’s My Time” No: Pets, Age, Health, Physical Disability, or Lack of Transportation No: Didn’t Think it Would Happen to Me No: Didn’t Know What to Do No: I Don’t Know Why
47. If Yes, When Did You Do So? When I Received the Tornado Warning When the TV Weatherperson Called Out My Community When Someone Called Me and Told Me to Take Shelter When Radar Showed the Storm Within a Certain Distance From My Community When I Saw Environmental Clues (Clouds, Wind, Hail, Seeing Tornado, Debris) When a Police Car Came Around With Siren/Bullhorn When Siren Sounded When Heard There Was a Confirmed Tornado On the Ground
48. What Protective Action Did You Take? None Basement Bathroom, Closet, Hallway or Small Room Went to Sturdier Structure Went to Storm Shelter or Designated Shelter Area Fled in Car
49. On 4/27, Did You Have Access to a Below Ground or Reinforced Storm Shelter? No Yes: Inside Home Yes: Outside Home Yes: Next Door Yes: Down Street Yes: In Community
50. Did Environmental Clues Cause You to Take Protective Action? No, Environmental Clues Didn’t Play Role in Decision Yes: Falling Debris Yes: Unusual Clouds/Lightning/Thunder Yes: Large Hail Yes: Strong Wind Yes: Hearing a Roar/Seeing the Funnel
51. How Much Time Was There Between Hearing the Warning and the Storm’s Arrival? No Warning Less Than 5 Minutes 5-10 Minutes 11-15 Minutes 16-30 Minutes 31+ Minutes
52. Do You Feel That You Had Enough Time to Take Protective Action? Yes No
53. How Much Time Do You Need After Hearing a Warning to Take Proper Protective Action? Less Than 5 Minutes 6-10 Minutes 11-30 Minutes More Than 30 Minutes
54. Can There Be Too Much Time Between a Warning and the Actual Storm? No, the More Warning the Better Yes, More Than 15 Minutes is Too Much Yes, More Than 30 Minutes is Too Much Yes, More Than 1 Hour is Too Much
56. If Yes, Did You Leave Mobile Home Before Storm Struck Your Area? No Yes: When I Heard the Tornado Warning Yes: When I Saw Storms on Radar, But Before the Warning was Issued Yes: Between the Tornado Watch and When Storms Started Moving My Way Yes: Only When I Saw Evidence of the Approaching Storm Not Applicable
57. Will You Act Differently Next Time There is a Tornado Warning? No Yes: Take Protective Action Sooner Yes: Take a Different Protective Action Yes: Seek Information Sooner Yes: Have Better Sources of Information Yes: Execute a Safety Plan That I Did Not Have Previously
59. In Your Opinion, Are There Too Many Tornado Warnings? No, I Want to be Warned Any Time There is a Potential Threat of a Tornado. Yes, Tornado Warnings are Issued For Too Many Marginal Events. Yes, Perhaps There Should be a Different Alert For Radar Indicated Tornadoes Yes, Tornado Warnings Should Only Be Issued When A Tornado Is On The Ground
60. What Are Your Thoughts On Storm Based Warnings (Polygons)? I like them, they are more precise I like the old county based warnings better, they are less confusing I don’t have a way to access them, so they are irrelevant I have never seen this
61. When a Tornado Warning is Issued for Your Location, What’s Your Expectation? That a Tornado Will NEARLY ALWAYS Occur in the Warned Area That a Tornado Will SOMETIMES NOT OCCUR in the Warned Area That a Tornado Usually Doesn’t Occur When Warnings are Issued
62. The National False Alarm Rate for Tornado Warnings is 76% But 70% of All Tornadoes Are Warned For…Would you Like to: Leave it as is Have a Lower False Alarm Rate, at the Expense of More Unwarned Tornadoes? Have a Higher False Alarm Rate and Catch Even More Tornadoes With Warnings?
63. FOCUS GROUP: How Can the Warning System Be Made Better? Idea 1 Idea 2 Idea 3 Idea 4 Idea 5 Idea 6
66. What County Do You Live In? Tuscaloosa/Jefferson/St. Clair/Calhoun/Cherokee Marion/Franklin/Lawrence Walker/Cullman/Blount Marshall /DeKalb/Jackson Other I Don’t Know
67. What Made You Pick the Primary Station You Watched? Trust that meteorologist more One station covered my area more specifically One station showed more video One station showed more radar loops One station showed maps with the track displayed
68. What Made You Switch to Another Channel? Get more information My area was not being mentioned Another was showing live video Someone told me to turn to another station One station was not showing radar enough
69. If Yes, What Made You Take Protective Action? Seriousness of warning information Proximity of the storm Hearing the sirens Hearing that a tornado was doing damage Environmental clues (clouds, debris)
Notas del editor
Kim Klokow says that Alabamians are some of the most weather savvy
Kim Klokow says that Alabamians are some of the most weather savvy
Kim Klokow says that Alabamians are some of the most weather savvy
Need more myths here…
Excellent opportunity to quiz the panelists about their perceptions of good lead time: Large Venue, Educator, Hospital Administrator
BMX POD in 2011 so far is .850, FAR is .616.
Ask question of focus group. Answers are loaded for the Audience Respondents then polled…