A TORNADO STRIKES HATTISBURG, MISSISSIPPI (USA)SUNDAY, FEBRUARY 10, 2013. The peak of the annual tornado season is usually late winter through midsummer,…. But tornadoes can happen any time of the year when the atmospheric conditions are right. Both spring and winter weather are creating favorable conditions for devastating tornadoes. Presentation courtesy of Dr Walter Hays, Global Alliance for Disaster Reduction

1. FUNNEL CLOUD IN
HATTIESBURG

2. A TORNADO STRIKES
HATTISBURG, MISSISSIPPI (USA)
SUNDAY, FEBRUARY 10, 2013

3. THE 2013 TORNADO
SEASON HAS STARTED
SUNDAY, FEBRUARY 10, 2013

4. WILL THE TREND OF 2010,
2011 AND 2012 CONTINUE
IN 2013?
BOTH SPRING AND WINTER WEATHER
ARE CREATING FAVORABLE
CONDITIONS FOR DEVASTATING
TORNADOES

5. MISSISSIPPI (bottom, center”)
IS IN ZONE IV

6. MAP OF THE USA’s “TORNADO ALLEY”

7. TORNADO SEASON
• The peak of the annual tornado
season is usually late winter
through midsummer,….
• But tornadoes can happen any
time of the year when the
atmospheric conditions are
right.

8. EFFECT OF LA NINA
• Tornado outbreaks in recent
year’s could be a consequence
of La Nina, the cooling of the
Pacific Ocean, which can cause
the jet stream (and weather
patterns) around the USA and
the world to change.

9. A tornado touching down and
moving along one of
Hattiesburg’s main streets
uprooted trees and damaged
buildings, including some at the
University of Southern
Mississippi
INJURIES, BUT NO DEATHS
REPORTED

10. FUNNEL CLOUD IN
HATTIESBURG

11. FUNNEL CLOUD IN
HATTIESBURG

12. WIND DAMAGE: UNIV. OF
SOTHERN MISSISSIPPI

13. HIGHLIGHTS OF NOTABLE
TORNADOES OF 2012

14. 2012’S TWISTERS TOUCHED
NEARLY ALL AREAS OF LIFE
FROM THE GULF COAST TO
THE GREAT LAKES TO THE
EAST COAST
Over 10 million people were at
risk

15. WHAT IS A DEVASTATING
TORNADO LIKE?
Based on experiences in the
USA

16. ANATOMY OF A TORNADO

17. SUDDENLY - - -
• With little of no warning, you
hear a loud noise
• You turn to walk back to the
house and it’s gone.
• You are alive, but homeless.

18. 2012’s SOCIETAL IMPACTS
• Homes, schools, fire stations,
trailer parks, shopping malls,
churches, hospitals, prisons,
senior centers, resorts and
complete towns were damaged
and destroyed by high winds
and hail.

19. WITHOUT EARLY WARNING AND
PROTECTION, THE DEATH TOLL
(about 38) WOULD HAVE BEEN
HIGHER, BECAUSE OVER 10
MILLION PEOPLE WERE AT RISK

20. SUDDENLY - - -
• You’re in the middle of an eerie
state of confusion.
• You’ve lost everything.
• So have your neighbors.

21. AND ALMOST AS SUDDENLY
---
• People you’ve never met before
are giving you food, water,
clothing, and medicine, and
helping you find the will to start
over again.

22. FAVORABLE CONDITIONS FOR
CREATION OF TORNADOS
• Strengthening
winds
• Daytime heating
• Low-level
moisture return
along and ahead
of cool front

23. HAIL

24. AN EF-4 TORNADO IN
INDIANA: MARCH 2, 2012

25. ES-4 TORNADOES HAVE
WIND SPEEDS OF AT
LEAST 277 KPH (166 MPH)

26. EARLY 2012 TORNADOES
RIPPED THROUGH 6 STATES
• Homes, trailer parks, shopping
malls, churches, hospitals, and
resorts were damaged and
destroyed by high winds as
tornadoes touched down in
Kansas, Missouri, Illinois, and 3
other Midwestern states.

27. HENRYVILLE, INDIANA:
DAMAGE AT JR – HIGH SCHOOL

28. STORM APPROACHING
ATHENS,GEORGIA AREA

29. DAMAGE: HARRISBURG, IL:
FEB. 29, 2012

30. WIND DAMAGE: BRANSON,
MISSOURI

31. WIND DAMAGE: BRANSON,
MISSOURI

32. MARCH 2 STORMS STRETCHED FROM
THE GULF COAST TO GREAT LAKES

33. WARNING MESSAGES ON
INTERSTATE HIGHWAYS

34. WIND DAMAGE- TONEY,
ALABAMA; MARCH 2

35. WIND DAMAGE- HARVEST,
ALABAMA; MARCH 2

36. WIND DAMAGE- HARVEST,
ALABAMA; MARCH 2

37. WIND DAMAGE- HARVEST,
ALABAMA; MARCH 2

38. WIND DAMAGE- HARVEST,
ALABAMA; MARCH 2

39. DAMAGE: OOLTEWAH, TN

40. BOWLING GREEN,
KENTUCKY: MARCH 2

41. TORNADO IN NEW PEKIN,
INDIANA

42. OVER 100 TORNADOES
DEVASTATED MIDWESTERN STATES:
KANSAS, NEBRASKA, IOWA, AND,
OKLAHOMA,
Saturday, April 14 - Sunday, 15, 2012

43. NATIONAL WEATHER SERVICE PREDICTED
TORNADO OUTBREAK: APRIL 13

44. THE APRIL 14-16 TORNADO
DISASTER
A SEVERE WEATHER SYSTEM
THAT MOVED EAST ACROSS THE
USA ON APRIL 14-16 SPAWNED
NEARLY 100 TORNADOES IN OK,
AR, MS, AND AL, DAMAGED
COMMUNITIES, AND KILLED 17
PEOPLE IN THREE DAYS.

45. THE SEVERE WEATHER SYSTEM SPAWNED
5 TORNADOES IN OKLAHOMA: APRIL 14TH
AFTER A TORNADO
LEFT A ½ MILE
WIDE AND 7 MILE
LONG PATH OF
DESTRUCTION IN
THE TOWN OF
TUSHKA, OK, THE
SYSTEM MOVED ON
INTO ARKANSAS

46. TUSHKA: DAMAGE FROM
TORNADO

47. TUSHKA: MOBILE HOME
DESTROYED

48. TUSHKA: HOUSE DAMAGED AND
CAR OVERTURNED

49. IMPACTS IN ARKANSAS
• The same weather system also
spawned tornadoes with 130
kph (80 mph) winds in
Arkansas, killing seven.
.

50. IMPACTS IN ALABAMA
• The same weather system
spawned tornadoes in six
counties in Alabama Friday,
causing at least eight deaths.
.

51. IMPACTS IN MISSISSIPPI
• Tornadoes spawned by the
same system caused major
damage in the town of Clinton,
near Jackson, the capitol of
Mississippi..

52. 120 TORNADOES ON
SATURDAY, APRIL 14TH
 The Storm Center in Norman,
Oklahoma logged 120 storms on
Saturday, with 98 of then in
Kansas
 5 deaths in Woodward, OK,
mainly due to siren malfunction

53. SOCIETAL IMPACTS
2-day losses in Kansas alone reached an
$283 million
Wide-spread power outages, mobile
home communities damaged, hospital in
Iowa , McConnell Air Force Base, and
Boeing plant damaged, 12 counties in
Oklahoma declared disaster areas.

54. SALINA, KANSAS: APRIL 14, 2012

55. SOLOMON, KANSAS: APRIL 14,
2012

56. NO DEATHS, BUT 75 % OF THURMAN,
IOWA DAMAGED: APRIL 14, 2012

57. THURMAN, IOWA: AM. RED CROSS
SURVEYS DAMAGE; APRIL 15, 2012

58. OKLAHOMA GOV. MARY FALLIN, DECLARES
STATE OF DISASTER: APRIL 15, 2012

59. IMMEDIATE RESPONSE
Cots, food, water, medical supplies,
and personal hygiene supplies were
rushed to impacted areas in each
state.