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[[Category:1999 floods]]
[[Category:1999 floods in the United States]]
[[Category:1999 natural disasters in the United States]]
[[Category:Las Vegas Valley]]
[[Category:Las Vegas Valley]]
[[Category:Natural disasters in Nevada]]
[[Category:Natural disasters in Nevada]]
[[Category:1999 in Nevada]]

Revision as of 11:01, 21 January 2023

1999 Las Vegas flood
DateJuly 8, 1999
LocationLas Vegas Valley
Deaths2
Property damage$20.5 million (public property)

A severe flood occurred throughout the Las Vegas Valley on July 8, 1999, during the local monsoon season. The storm brought three inches of rainfall to the area, which usually sees only four inches annually. The flood resulted in two deaths, and left some motorists stranded. Police and firefighters conducted 163 rescues throughout the Las Vegas Valley. Flood waters damaged 353 homes and caused $20.5 million in public property damage. It was the most destructive flood in Las Vegas history. A flood control network, developed by the Clark County Regional Flood Control District, was 20-percent finished at the time, helping to mitigate the severity of the flood.

Nevada governor Kenny Guinn declared a state of disaster for the area on July 15, 1999. U.S. president Bill Clinton subsequently approved FEMA financial aid to help cover the cost of public property repairs.

Background

Flash flooding in the Las Vegas Valley is common from July through September, during the local monsoon season.[1][2] Flooding is caused in part by the presence of non-absorbent hard soil, including caliche.[2][3] Population growth and ongoing development also contribute to flooding, as the abundance of paved surfaces causes increased water runoff.[4] Storms in 1983 and 1984 prompted the formation of the Clark County Regional Flood Control District, which eventually began work on a flood control network.[5][6]

Flood overview

The 1999 flood occurred after several weather systems merged,[7][8] with moisture coming from Arizona, northern Mexico and the Gulf of California.[9][10] The storm began on July 8, shortly before 11:00 a.m.,[10] and most of the rainfall occurred over the next 90 minutes.[7] Several weather warnings were issued the previous afternoon, advising residents of potential flash-flooding.[7][11] The storm began in the western Las Vegas Valley and gradually moved to the center,[12][13] raining upon flood water which was in the process of making its way downstream. This contributed to the heavy flooding. The storm brought an estimated 28 billion gallons of water.[14]

Rainfall at McCarran International Airport, near the Las Vegas Strip, measured 1.29 inches. However, other parts of the valley received more rain, with up to 3 inches in some areas. The average rainfall for the year is only 4 inches.[10][8][7] Flood waters subsided by 4:30 p.m.[10] It was the worst flood since 1984,[2] and it remains the most destructive flood in Las Vegas history.[15] Although initially reported as a 100-year storm, geologists subsequently determined it to be a 15- or 20-year event based on measurements.[4]

At the time, the flood control network was 20-percent finished, with $400 million already spent on the project.[16] Detention basins helped mitigate the severity of the storm.[17][18][19] Las Vegas mayor Oscar Goodman said the 1999 flood would have been "a disaster to end all disasters" if not for the existing flood network facilities.[16]

Damage and effects

The storm and flood damaged 353 homes and destroyed 5 others.[20][21] Many affected homeowners were not insured for flood damage. At the time, only around 12,300 homeowners had flood insurance in the entire state.[22]

The Flamingo Wash travels west to east across the Las Vegas Valley, serving as a major route for flood water.[23] However, the wash was backed up by debris in the eastern Las Vegas Valley. As a result, water flooded onto nearby Boulder Highway, causing extensive road damage.[24] A particularly hard-hit area was the Miracle Mile Mobile Home Park, located along Boulder Highway. Walls in the Flamingo Wash were eroded by the flood waters; several mobile homes fell over the weakened ledge and into the wash, while others suffered water damage. Of 540 trailers in the park, two dozen were declared uninhabitable.[25]

Firefighters, ambulance workers, and 911 operators were overwhelmed by storm-related emergencies. This included motorists who were left stranded after flood waters stalled their vehicles.[10][14] Police and firefighters carried out 163 rescues, some by helicopter.[6][2][16] Several roof collapses also occurred due to the heavy rainfall.[10][14][13]

The flood resulted in two deaths, including a 91-year-old woman who died in a three-car accident attributed to the waters; a Mercedes-Benz, driven by poker player Shawn Sheikhan, hydroplaned into the woman's vehicle. The other victim, believed to have been a homeless man, died of drowning and was found in the Flamingo Wash.[26][27][22]

Most casinos suffered only minor leaks. The Caesars Palace resort on the Strip saw the worst of the flooding, which forced the day-long closure of a casino pit and the resort's shopping mall, the Forum Shops.[28][29] Across the street, the parking garage at the Imperial Palace resort saw flood waters rising three feet and was closed for several hours.[10][14] Both Caesars Palace and the Imperial Palace (now The Linq) are located along the Flamingo Wash, and are frequent sites for flooding.[6][16][30] The Resort at Summerlin delayed its opening by several days due to minor flood damage.[31][32]

Approximately 20 departing flights were delayed at McCarran International Airport, and four incoming flights were diverted to other airports outside of the state.[29] The North Las Vegas Airport closed its radio tower for the day after losing power.[10] Sunrise Hospital & Medical Center lost 95 percent of its phone service after a lightning strike. MountainView Hospital closed its birthing and surgical unit due to leaks.[10]

Some shows on the Strip were canceled due to the flood, as entertainers had difficulty reaching their venues.[33] Roughly half of retailers at the Meadows Mall and Boulevard Mall were closed; many store employees were either unable or unwilling to arrive for work because of the flooding, and some stores closed early, allowing workers to return home safely before the weather worsened.[29]

Media coverage

KNUU, the only radio news station in Las Vegas, suffered a blown circuit at its transmitter site as a result of the storm and was unable to report on the event. However, the flood was widely covered by local television news,[34] as well as national news outlets. In response to headlines about the flood, the Las Vegas Convention and Visitors Authority issued a statement to media outlets in Southern California and Arizona, emphasizing that the Strip remained open for tourism.[35]

Response and aftermath

Nevada governor Kenny Guinn and other elected officials toured flood-damaged areas,[8][9][27] including the Miracle Mile Mobile Home Park.[36] The American Red Cross set up shelter for displaced residents.[37][38]

A day after the flood, the Clark County Commission declared a state of emergency.[22][39] Guinn declared a state of disaster for Clark County on July 15, 1999.[40][41] Five days later, U.S. president Bill Clinton approved the use of FEMA financial aid to cover the cost of public property damage, which totaled $20.5 million.[42][43][44] Without existing flood facilities in place, damages would have exceeded $100 million.[23] Nevada already had a $4.7 million emergency fund, though it contained only $1.8 million after northern Nevada received most of the funds for a 1997 flood.[42] FEMA sent 80 reservists to Las Vegas to manage assistance programs.[45] The agency provided approximately $15 million to cover repairs, while local governments were responsible for funding the remainder.[46] The Small Business Administration approved more than $1 million in disaster aid to cover private property.[47]

Flood waters destroyed sidewalks and washed out roads throughout the Las Vegas Valley, and also forced the closure of several bridges. County workers had nearly 180 repair jobs; some were expected to take a year to carry out.[46] One bridge did not reopen until three years after the flood.[48]

In 2000, the county announced plans to improve the Flamingo Wash near the Miracle Mile Mobile Home Park, easing resident concerns about future flooding.[49] Some residents living near the Duck Creek Wash sued the county, alleging that inadequate maintenance of the wash led to residential flooding in the area. In 2003, the county agreed to pay residents $1.1 million.[50][51][52]

In the 10 years following the flood, the regional flood control network was more than doubled in size. The $700 million project increased the number of detention basins, flood channels, and storm drains.[2] As of 2019, the flood district's master plan was 75-percent finished.[53] At the time, it included 100 detention basins and 648 miles of channels, with $1.9 billion spent up to that point.[6][13]

References

  1. ^ "Southern Nevada prepares for two months of storms". Las Vegas Sun. July 8, 1999. Retrieved January 3, 2023.
  2. ^ a b c d e Hansen, Kyle B. (July 8, 2009). "A decade after deadly flood, county better prepared". Las Vegas Sun. Retrieved January 1, 2023.
  3. ^ "Flood of July 8,1999, in Las Vegas Valley, southern Nevada" (PDF). United States Geological Survey. July 2000. Retrieved January 1, 2023.
  4. ^ a b "Flood control still a work in progress". Las Vegas Sun. July 26, 1999. Retrieved January 3, 2023.
  5. ^ Hawley, Tom (August 5, 2021). "Las Vegas has history with deadly and dangerous flash flooding". KSNV. Retrieved January 1, 2023.
  6. ^ a b c d "Water, Water — But Not Everywhere". Nevada Public Radio. August 1, 2019. Retrieved January 3, 2023.
  7. ^ a b c d "An Analysis of the July 8, 1999 Las Vegas Valley Flash Flood Event Using the Weather Event Simulator (WES)" (PDF). National Weather Service. Retrieved January 1, 2023.
  8. ^ a b c "Vegas Cleans Up After Storm". CBS. July 8, 1999. Retrieved January 1, 2023.
  9. ^ a b Wagner, Angie (July 8, 1999). "Rains flood Vegas, swallow cars, smash homes, knock down walls". Las Vegas Sun. Retrieved January 3, 2023.
  10. ^ a b c d e f g h i Schoenmann, Joe (July 9, 1999). "100-Year Storm". Las Vegas Review-Journal. Archived from the original on October 8, 1999.
  11. ^ Papa, Paul W. (2009). It Happened in Las Vegas: Remarkable Events that Shaped History. Rowman & Littlefield. pp. 121–125. ISBN 978-0-7627-5819-7. Retrieved January 6, 2023.
  12. ^ Lupiani, Joyce (July 8, 2019). "July 8th is 20-year anniversary of 100-year flood in Las Vegas". KTNV. Retrieved January 1, 2023.
  13. ^ a b c Gray, Luz (July 12, 2019). "With harrowing virtual reality video, local authorities educate youth on flood dangers". The Nevada Independent. Retrieved January 5, 2023.
  14. ^ a b c d Michor, Max (July 7, 2019). "Looking back at 1999 Las Vegas flood 20 years later". Las Vegas Review-Journal. Retrieved January 4, 2023.
  15. ^ "Question of the Day". Las Vegas Advisor. February 16, 2017. Retrieved January 1, 2023.
  16. ^ a b c d Macy, Robert (July 9, 1999). "$400 million flood control project saves lives, property". Las Vegas Sun. Retrieved January 3, 2023.
  17. ^ "Flood basins, filled to brim, protect property". Las Vegas Sun. July 9, 1999. Retrieved January 3, 2023.
  18. ^ Zapler, Mike (July 11, 1999). "Flood control measures avert worse damage". Las Vegas Review-Journal. Archived from the original on October 12, 1999.
  19. ^ "Officials say flood-control system worked". Las Vegas Sun. August 13, 1999. Retrieved January 4, 2023.
  20. ^ Russell, Kiley (July 14, 1999). "Minor flooding hits valley, damage assessment efforts continue". Las Vegas Sun. Retrieved January 3, 2023.
  21. ^ "Clinton to make call on flood aid". Las Vegas Sun. July 19, 1999. Retrieved January 3, 2023.
  22. ^ a b c Padgett, Sonya (July 12, 1999). "Financial wash: Thursday's flood wipes out insuranceless homeowners". Las Vegas Sun. Retrieved January 3, 2023.
  23. ^ a b Lake, Richard (July 21, 2002). "Flood control serious business". Las Vegas Review-Journal. Archived from the original on August 2, 2002.
  24. ^ Whaley, Sean (July 28, 1999). "New Flamingo Wash bridges approved for Boulder Highway". Las Vegas Review-Journal. Archived from the original on October 12, 1999.
  25. ^ Retrieved January 5, 2023:
  26. ^ Koch, Ed; Radke, Jace (July 9, 1999). "Damage assessed, area braces for more rain". Las Vegas Sun. Retrieved January 6, 2023.
  27. ^ a b "Rains threaten more flooding". Las Vegas Sun. July 12, 1999. Retrieved January 3, 2023.
  28. ^ Berns, Dave (July 10, 1999). "Floods barely make trickle in business at area casinos". Las Vegas Review-Journal. Archived from the original on October 9, 1999.
  29. ^ a b c Berns, Dave; Caruso, Monica (July 9, 1999). "Forum Shops, casino pit at Caesars close". Las Vegas Review-Journal. Archived from the original on October 8, 1999.
  30. ^ Rogers, Keith (July 9, 1999). "Damage from worst floods parallels growth". Las Vegas Review-Journal. Archived from the original on October 8, 1999.
  31. ^ Thompson, Gary (July 12, 1999). "Flooding delays the opening of the Resort at Summerlin". Las Vegas Sun. Retrieved January 5, 2023.
  32. ^ Smith, Hubble (July 13, 1999). "Resort opening delayed". Las Vegas Review-Journal. Archived from the original on October 8, 2000.
  33. ^ Weatherford, Mike (July 9, 1999). "Shows cannot go on after storm". Las Vegas Review-Journal. Archived from the original on October 8, 1999.
  34. ^ White, Ken (July 9, 1999). "TV offers flood of coverage". Las Vegas Review-Journal. Archived from the original on October 8, 1999.
  35. ^ Caruso, Monica (July 10, 1999). "Officials quickly counter bad publicity from flood". Las Vegas Review-Journal. Archived from the original on October 12, 1999.
  36. ^ Morrison, Jane Ann (July 10, 1999). "LV woman's loss, strength strike Guinn". Las Vegas Review-Journal. Archived from the original on October 12, 1999.
  37. ^ Rogers, Keith (July 11, 1999). "Additional storms fail to emerge". Las Vegas Review-Journal. Archived from the original on October 12, 1999.
  38. ^ Bass, Debra D. (July 13, 1999). "Flood victims turning to Red Cross for help". Las Vegas Review-Journal. Archived from the original on October 13, 1999.
  39. ^ Schoenmann, Joe (July 10, 1999). "Flood damage to cost millions". Las Vegas Review-Journal. Archived from the original on October 9, 1999.
  40. ^ Packer, Adrienne; Manning, Mary (July 15, 1999). "County declared state disaster area". Las Vegas Sun. Retrieved January 6, 2023.
  41. ^ Friess, Steve (July 16, 1999). "Guinn declares emergency, requests federal aid for flood". Las Vegas Review-Journal. Archived from the original on January 18, 2000.
  42. ^ a b "Nevadans pleased with federal aid for flood damage". Las Vegas Sun. July 21, 1999. Retrieved January 3, 2023.
  43. ^ Schoenmann, Joe; Rogers, Keith (July 21, 1999). "Clinton OKs disaster funds". Las Vegas Review-Journal. Archived from the original on October 13, 1999.
  44. ^ "FEMA to open disaster relief center for flood victims". Las Vegas Sun. July 25, 1999. Retrieved January 3, 2023.
  45. ^ Friess, Steve (July 30, 1999). "Reservists on watch for disaster". Las Vegas Review-Journal. Archived from the original on October 12, 1999.
  46. ^ a b "Impact of July 8 flood still felt". Las Vegas Sun. August 17, 1999. Retrieved January 4, 2023.
  47. ^ "Flood victims receive first funds from SBA". Las Vegas Sun. August 12, 1999. Retrieved January 4, 2023.
  48. ^ "Spencer Street bridge, closed by 1999 flood, is reopened". Las Vegas Sun. June 26, 2002. Retrieved January 5, 2023.
  49. ^ Geary, Frank (October 4, 1999). "Flood Abatement Program: County to bolster wash". Las Vegas Review-Journal. Archived from the original on June 28, 2001.
  50. ^ "Residents sue county over flood damage from creek". Las Vegas Sun. September 26, 2000. Retrieved January 5, 2023.
  51. ^ Johnson, Erica D. (August 21, 2003). "County to pay $1.1 million to homeowners in '99 flood". Las Vegas Sun. Retrieved January 5, 2023.
  52. ^ Packer, Adrienne (August 21, 2003). "County to pay homeowners $1.1 million for '99 flood". Las Vegas Review-Journal. Archived from the original on September 22, 2004.
  53. ^ Jessie, Faith (July 8, 2019). "Water Always Wins: Officials warn residents of flash floods ahead of monsoon season". KSNV. Retrieved January 1, 2023.
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