2006 North American heat wave

Last updated
North American heat wave of 2006
NOAA Temp July20 8pmEDT.png
AreasLower 48 U.S. states and lower parts of Canada
Start dateJuly 15, 2006
End dateAugust 27, 2006
Peak temp. 119 °F (48 °C)
Losses
DeathsAt least 225 [1] [2] [3]

The Summer 2006 North American heat wave was a severe heat wave that affected most of the United States and Canada, killing at least 225 people and bringing extreme heat to many locations. At least three died in Philadelphia, Arkansas, and Indiana. [4] In Maryland, the state health officials reported that three people died of heat-related causes. [5] Another heat related death was suspected in Chicago. [6]

Contents

Although many heat related deaths go unreported, by July 19, the Associated Press reported that the soaring heat was blamed for 12 deaths from Oklahoma City to the Philadelphia area. [7] [8] Reports by early morning July 20 raised the death toll to at least 16 in seven states. [9]

This period of heat also saw a wind storm (derecho) in St. Louis that caused widespread power outages, including for cooling centers designed to provide relief for those suffering from the heat. In addition, places on the West Coast, like California's Central Valley and Southern California experienced humid heat, which is unusual for the area. [10] [11]

Mortality

By July 21, when the first phase of this heat wave came to an end, 22 reported fatalities had occurred in ten states. [12] Reports of deaths trailed off over the week-end of July 21–23, though high temperatures persisted and power outages remained in a number of areas including New York, Missouri, and Illinois. In St. Louis, half the city was without power due to severe thunderstorms, prompting requests for volunteer nurses to help cope with the situation. Though temperatures were somewhat cooler, [13] there still was at least one further reported heat death in Missouri. [14]

At least 31 deaths due to the heat were reported in New York City by August 16. [15] At least 13 died in Queens, 9 in Brooklyn, 5 in Manhattan and 1 in The Bronx. [16] By the end of August, authorities totaled 40 deaths in New York, however a later mortality review in November 2006 revealed that heat was a factor in 140 deaths. [17] [18]

In the early August heat, Chicago saw at least 23 deaths, [19] [20] but the City was widely praised [21] for avoiding the disaster that occurred in the 1995 Chicago heat wave which saw over 700 deaths. The City took steps to ensure vulnerable residents were protected, and individuals took responsibility for their neighbors.

By August 13, 28 heat-related deaths were reported in Cook County, which includes Chicago. [ permanent dead link ]

Deaths in California

The most severe death toll was in California, principally in the interior region. [22] By the end of July, the sweltering heat in California subsided, although the number of confirmed or suspected heat-related deaths climbed to 163 as county coroners worked through a backlog of cases. [1] A report from California Climate Change Center published in 2009 determined that the heat caused two to three times the number of deaths estimated by coroners in seven California counties. [23]

By July 25, California authorities documented at least 38 deaths related to the heat in 11 counties. Temperatures reached 110–115 °F (43–46 °C) in the central valley of California July 23–24. [24] State officials said it was the worst heat wave to hit Northern and Southern California simultaneously in 57 years. [25] Front-page newspaper coverage described some individual deaths. [26] By July 29, the mounting death toll left the coroner's office in Fresno overwhelmed and double-stacking bodies. [27]

There were also widespread animal deaths in California, with a veterinarian reporting 15 heat-related pet deaths as early as July 24. [28] The impact on farm animals and agriculture was also becoming apparent, with the death of more than 25,000 cattle and 700,000 fowl, prompting emergency measures by the state. [29]

Meteorology

Annual temperature departures for the year 2006. 2006 was one of the warmer years on record since 1895. 2006 noaa hottest year.jpg
Annual temperature departures for the year 2006. 2006 was one of the warmer years on record since 1895.

Temperatures hit 118 °F (48 °C) on July 21 in Phoenix, making it the hottest day since 1995 and one of the 11 hottest since 1895, when temperature records were first kept in the city. [13] California temperatures began reaching record levels by July 22. In one section of the City of Los Angeles, Woodland Hills, the temperature reached 119 °F (48 °C) making it the highest recorded temperature in the county and within the city border breaking the old record of 118 °F (48 °C) in Canoga Park. The unusual daytime heat resulted in extremely high overnight temperatures. Needles, California recorded a low temperature for Sunday, July 23 at 5 am., of 100 °F (38 °C) and in the LA basin the same night, Burbank recorded an overnight low of 77 °F (25 °C). [30]

The California heat wave broke local records. According to some reports it was "hotter for longer than ever before, and the weather patterns that caused the scorching temperatures were positively freakish." [11] [31] Fresno, in the central California valley, had six consecutive days of 110 degree-plus Fahrenheit temperatures. [32]

Beginning July 31 and into early August, the Midwest, Ontario, and Atlantic states also began experiencing the heat. [33] [34] Temperatures approached the 100 mark in Rochester, New York on August 1 and were coupled with the highest dew points the area has experienced in over 51 years. The heat index reached 110 °F (43 °C) that day. La Guardia Airport in New York City recorded three consecutive days above 100 °F (38 °C). The temperature peaked at 102 °F (39 °C) on August 2. Colonial Downs, a horse track in New Kent County, Virginia, canceled horse racing because of the 100 °F (38 °C) heat. [35] The Saratoga Race Course, north of Albany, canceled racing at the horse track for the first time in its history on August 2. [36] By August 8, the heat wave had passed for most areas, but persisted in the South and Southeast, with continued reports of mortality in Oklahoma. [20]

Timeline

The heat wave went through several distinct periods:

Reported physical damage

Dallas, Texas; Shreveport, Louisiana; the New England region; and other areas have reported damage such as ruptured water lines and buckled roads. The heat wave has been blamed for the damage. Interstate 44 had two traffic lanes temporarily closed in Oklahoma City after they buckled under the heat. [13] In addition, overworked power transformers have been damaged or rendered useless because of the heat, resulting in blackouts, notably in St. Louis, Missouri; Queens, New York; Los Angeles, California; and the Delaware Valley. Some wildfires, including forest fires, and greater thunderstorm intensity, have both been blamed on the heat wave.

Canadian heat

Parts of Canada, mostly areas of provinces located close to the U.S. border (Saskatchewan, Manitoba, Ontario and Quebec) had been affected in waves by the persistent heat over the continent building from west to east during the month of July, which progressed into August 2006. Persistent heat and drought had plagued some of the same regions of the country during the previous summers of 2002, 2003, and 2005, although large, frequent storms brought above normal rainfall to many areas in Ontario and Quebec during those years.

By mid-month, temperatures had soared to 42.1 °C (107.8 °F) at Lytton, British Columbia, with three straight days topping 41 °C (106 °F). Although various daily records were broken, the only overall monthly record in a major city was in Winnipeg, Manitoba where July was not only the driest on record but also had the highest average maximum temperature of any July. In Val Marie, Saskatchewan, the average daily maximum July temperature was 32.3 °C (90.1 °F), about 5 °C (41 °F) higher than average. [40]

Just north of Toronto at Buttonville Airport, the temperature reached 37.8 °C (100.0 °F) on August 2, 2006. On the same day, the nighttime minimum temperature in Toronto was the highest ever recorded, only dropping to 27.2 °C (81.0 °F). In Ottawa, the temperature reached 36.3 °C (97.3 °F), but with close to 80% humidity factored in, it reached an all-time humidex record of 48 °C (118 °F). [41]

Record power consumption was recorded in Ontario when close to 27,000 MW were used by consumers, beating out a record from the previous summer. [42]

Powerful thunderstorms affected parts of Ontario and Quebec on July 17 and July 30 in Peterborough, in eastern Ontario (Ottawa area) in the early morning hours of August 1 and again in Quebec, centred around Montreal that same evening. More than 450,000 people lost power in Quebec in that storm. [43] On August 2, more storms associated with a relieving cool front caused heavy damage over a wide swath of central and eastern Ontario, resulting in 175,000 residents losing power and thousands of felled trees blocking roads. Seventeen tornadoes were confirmed for August 2–3 ranging from F0-F2 in strength, the largest single day tornado outbreak in Ontario eclipsing the 14 recorded during a 1985 outbreak. The intensity of these storms was fueled by the heat bubble to the south. These series of storms killed at least four people and injured many others, in addition to extensive property damage and forest destruction.

After early August 2006, the heat only had a sporadic impact through the remainder of the month, mostly in the West. Temperatures returned to normal or even below average in other parts of the country for the remainder of the summer.

Impact of heat waves

Although comparatively little reporting is made about the health effects of extraordinarily hot conditions, heat waves are responsible for more deaths annually than more energetic natural disasters such as lightning, rain, floods, hurricanes, and tornadoes. [44] Supporting this conclusion, Karl Swanberg, a forecaster with the National Weather Service, reported that between 1936 and 1975, about 20,000 U.S. residents died of heat. [11] "Heat and solar radiation on average kill more U.S. residents each year than lightning, tornadoes, hurricanes, floods or earthquakes," said Karl Swanberg. This finding is also referenced in a publication of the National Oceanic and Atmospheric Administration, giving guidance on how to avoid health problems due to heat. [45]

See also

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References

  1. 1 2 Midwest suffers as heat bears down Carla Johnson, Associated Press, appearing in Houston Chronicle, July 31, 2006 (July 21 total + 163).
  2. ↑ Triple-digit heat hangs on in East, Midwest Desmond Butler, Associated Press, appearing in the Houston Chronicle, August 3, 2006 (July 21 + Cal at 164 + 13).
  3. ↑ Front brings East Coast temperatures down, Verena Dobnik, Associated Press, appearing in the Houston Chronicle, August 4, 2006 (July 21 + Cal at 164 + 39). Note, however that later United Press International reporting on August 9 quotes California state Office of Emergency Services as counting 106 confirmed deaths, with 35 deaths "believed to be caused by heat stress or exhaustion.
  4. ↑ Nation Swelters In Heat Wave CBS News, July 18, 2006.
  5. ↑ Heat blamed for 3 recent deaths in Md., Baltimore Sun, July 18, 2006, afternoon edition (note: this story includes heat related deaths for July 14 and 16).
  6. ↑ Sizzling weather puts heat on ComEd Chicago Sun Times, July 18, 2006. ("A 50-year-old woman who was found unresponsive by her landlady in the 4800 block of North Troy was suspected of dying from heat complications, said Chicago Fire Department spokesman Larry Langford.")
  7. ↑ Heat wave blamed for 11 deaths, Colleen Long, Associated Press, appearing in the Houston Chronicle, July 19, 2006, 10 am.
  8. ↑ Heat Wave Ebbs in Parts of U.S. [ dead link ], Colleen Long, Associated Press, appearing in Forbes, July 19, 2006, 1 pm.
  9. ↑ Heat wave's death toll rises to at least 16, Shaun Schafer, Associated Press, as reported in the Houston Chronicle, 5 am (this article gives better location references).
  10. ↑ BAY AREA: Don't pack up the shorts yet: Heat still on. Sweltering conditions forecast to continue through weekend, with no relief in sight for days Archived 2010-05-07 at the Wayback Machine , Michael Cabanatuan and Cicero A. Estrella, San Francisco Chronicle, July 22, 2006.
  11. 1 2 3 The heat wave that was, S.F. Chronicle, July 27, 2006 (75 California deaths + 25 non-Cal.) Archived December 13, 2007, at the Wayback Machine
  12. ↑ Guard to St. Louis; Heat Deaths Rise, Jim Salter, Associated Press, retrieved from ABC News, July 21, 2006, am; same story appeared in the Kansas City Star, with more details, death toll described as "nearly two dozen", noting death of homeless man, two without air conditioning.
  13. 1 2 3 Battered St. Louis seeks volunteer nurses, Jim Salter, Associated Press, appearing in the Houston Chronicle, July 22, 2006.
  14. ↑ Cooler weather brings relief for St. Louis, Jim Salter, Associated Press, appearing in the Kansas City Star, July 22, 2006
  15. ↑ Pérez-Peña, Richard (August 17, 2006). "Manhattan: 4 More Deaths Tied to Heat Wave". The New York Times.
  16. ↑ Pérez-Peña, Richard (August 8, 2006). "Manhattan: Death Toll From Heat Increases". The New York Times.
  17. ↑ Pérez-Peña, Richard (November 16, 2006). "Heat Wave Was Factor in 140 deaths, New York Says". The New York Times.
  18. ↑ Campanile, Carl (November 16, 2006). "Heat wave was City's silent killer". New York Post. Archived from the original on 2007-09-29. Retrieved 2006-11-18.
  19. ↑ "Heat wave victims fall through cracks". Chicago Tribune. August 3, 2006.[ permanent dead link ]
  20. 1 2 "Heat wave continues in Arkansas, Oklahoma, Tennessee and Mississippi". The Albuquerue Tribune. August 8, 2006. Archived from the original on August 13, 2006. Retrieved August 9, 2006.
  21. ↑ "City learned lesson from deadly '95 heat wave". Chicago Sun Times. August 3, 2006.
  22. ↑ "Heat blamed for 4 deaths in California". USA Today. July 24, 2006.
  23. ↑ Estimating The Mortality Effect Of The July 2006 California Heat Wave, California Climate Change Center, Draft March 2009. Accessed 2009-07-23. Archived 2009-07-25.
  24. ↑ Heat claims as many as 38 people, tests state energy supply Aaron Davis, Associated Press, appearing in San Jose Mercury News, July 25, 2006. (when added to 25 non-California deaths, total reaches 63.)
  25. ↑ Heat wave not ready to ease up on state; Weather death toll rises to 41 -- forecast cooldown didn't kick in San Francisco Chronicle, July 26, 2006 (raises Cal. death toll to 41, total bumps to 66)
  26. ↑ Bulwa, Demian; Kuruvila, Matthai Chakko (July 26, 2006). "Killer Heat/At least 41 deaths blamed on high temperatures, isolated lower-income elderly are most at risk". San Francisco Chronicle.
  27. ↑ Steinhauer, Jennifer (July 28, 2006). "In California, Heat Is Blamed for 100 Deaths". The New York Times.
  28. ↑ Heat Wave Proving Deadly for Pets, KCBS, San Leandro, Calif., posted July 24
  29. ↑ California's Cattle Death Toll Surpasses 25,000 [ permanent dead link ] USAgNet, July 31, 2006.
  30. ↑ High Nighttime Temperatures Set Records Too, Los Angeles Times, July 25, 2006
  31. ↑ Bay Area Record Breaking Heat [ permanent dead link ], National Oceanic and Atmospheric Administration
  32. ↑ Klatell, James (July 25, 2006). "California Heat Wave Nears End". CBS News.
  33. ↑ New York, Boston Brace for Record-Breaking Heat Wave, by Shannon D. Harrington, Bloomberg LP, August 1, 2006
  34. ↑ Martin, Nick (August 1, 2006). "Warnings issued as East Coast residents expect record temps". USA Today.
  35. ↑ "Stifling heat wave spreads over eastern U.S." NBC News. August 1, 2006.
  36. ↑ "Soaring heat halts racing Wednesday at Saratoga Race Course". The Business Review (Albany). August 2, 2006.
  37. ↑ National Weather Service Climate, Bismarck, N.D.
  38. ↑ Watson, Sara Kiley. "The hottest days in history and record temperatures in each US state". Insider. Retrieved 21 August 2020.
  39. ↑ Heat wave continued for parts of South, Murray Evans, Associated Press, as reported in the Houston Chronicle, August 7, 2006.
  40. ↑ Daily Data
  41. ↑ Saunders, Terri (July 5, 2010). "Utilities confident they can handle hydro demand". Toronto Sun.
  42. ↑ "Ontario hits record high for power use". CBC News . 2006-08-01. Archived from the original on 2022-01-06.
  43. ↑ "2 killed in Quebec storm, thousands without power". CBC News . 2006-08-02. Archived from the original on 2023-04-11.
  44. ↑ Klinenberg, Eric. (2002). Heat Wave: A Social Autopsy of Disaster in Chicago. Chicago, IL: Chicago University Press. ISBN   9780226276182
  45. ↑ "Heat–The Number One Non-Severe Weather Related Killer In The United States". NOAA Magazine. August 2, 2006. Archived from the original on August 8, 2006. Retrieved August 8, 2006.
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