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PINAL COUNTY TOWN HALL

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PINAL COUNTY TOWN HALL Tabletop Exercise - Panel Discussion on a Local Emergency. MODULE 1 Pre-flood Concerns Tuesday, February 14, 2006 Current conditions for ... – PowerPoint PPT presentation

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Title: PINAL COUNTY TOWN HALL


1
PINAL COUNTY TOWN HALL
  • Tabletop Exercise -

Panel Discussion on a Local Emergency.
2
MODULE 1 Pre-flood Concerns
  • Tuesday, February 14, 2006
  • Current conditions for Arizona
  • Storms over the last two weeks have produced
  • Accumulation of 3 rain in the lower elevation,
  • 12 of snow at 3,000 ft. elevation, and
  • 42 of snow above 5,000 ft. elevation.
  • National Weather Service (NWS) forecast
  • Upper low system lingering off the coast of
    California,
  • Expected to push across California and into
    Arizona on Thursday, February 16, 2006,
  • Expected to produce additional warmer rain
    across the southwest starting Thursday evening
    and ending Friday afternoon.

3
MODULE 1 Pre-flood Concerns, continued
  • Wednesday, February 15, 800 a.m.
  • NWS forecast update
  • Storm system is moving slow across California
  • Producing high amounts of participation.
  • Flood Warnings issued for Southern California.
  • Local news stations reporting flooding in Los
    Angeles and San Diego.

4
MODULE 1 - Questions
  • What are the concerns of your agency?
  • What strategies would be considered?
  • What actions would you take?
  • What actions would you like the public to take?

5
MODULE 2 Flood Imminent
  • Wednesday, February 15, 500 p.m.
  • NWS forecast update
  • Storm system becomes a cut off low.
  • System will linger over the southwest until
    Monday, February 20th
  • Ability to produce 5 to 6 inches of rain.
  • Flash flood watch issued for Arizona and
    southern California.
  • Reservoirs and Lakes
  • Authorities announce the release of water from
    reservoirs and lakes in Arizona, New Mexico, and
    Sonora, Mexico.
  • Flood Warnings issued for San Pedro, Gila and
    Salt Rivers, and the Santa Cruz Wash.

6
MODULE 2 Flood Imminent, continued
  • Thursday, February 16, Afternoon
  • Situation update
  • Storm system is centered over the area between
    Yuma and Lake Havasu.
  • Agencies along the Colorado River are reporting
    localizing flooding.
  • Rain begins to fall in western Pinal County.
  • Road Closures
  • 6 p.m. water begins to flow in small washes
    throughout the county.
  • Local Public Works agencies and ADOT have begun
    road closures at non-bridged crossings.

7
MODULE 2 - Questions
  • What are the concerns of your agency?
  • What strategies would be considered?
  • What actions would you take?
  • What actions would you like the public to take?

8
MODULE 3 Flooding
  • Saturday, February 18, 300 p.m.
  • Situation Update
  • Pima County Flood Control announces the Santa
    Cruz Wash will reach flood stage levels in two
    hours.
  • Towns of Mammoth, Winkelman, Hayden and Kearny
    begin to evacuate the lower portions of their
    communities adjacent to the San Pedro and Gila
    Rivers. They are also requesting additional
    sandbags and barricades.
  • Queen Valley Fire and Apache Junction Fire
    Districts are requesting additional supplies for
    sandbags.
  • North Branch of the Santa Cruz Wash
  • At 330 p.m., ADOT, Casa Grande and Pinal County
    Public Works Departments have closed all road
    crossings across the North Branch of the Santa
    Cruz Wash. This includes Pinal Avenue, Trekell
    Road and Maricopa/Casa Grande Highway.

9
MODULE 3 Flooding, continued
  • Saturday, February 18 - It was a dark stormy
    night . . .
  • Highway Closures
  • Due rising water in the Santa Cruz, I-8 is
    closed between I-10 and Stanfield Road.
  • Due to rising water in the Gila River, St. Rt.
    347 is closed north of Maricopa.
  • Power outage
  • At 530 p.m., an auto accident causes a power
    outage in the downtown area of Casa Grande.
  • Affects Casa Grande City Hall, Police Station
    Fire Station 1 and the flood control pumps in
    Peart Park and the under pass at St. Rt. 84 and
    the railroad tracks.

10
MODULE 3 Flooding, continued
  • Evacuations
  • At 8 p.m. a Pinal County Sheriffs Deputy
    reports debris have accumulated against the south
    side of the railroad bridge over the Santa Cruz
    Wash in Maricopa.
  • Water from the Santa Cruz and Santa Rosa Washes
    are spilling over and flowing west along the
    south side of railroad tracks.
  • Tohono OOdham Community is evacuating residents
    from ChuiChu.
  • Sheriffs Office begins to evacuate portions of
    Arizona City.

1993 flooding of the Santa Cruz Wash.
11
MODULE 3 - Questions
  • What are the concerns of your agency?
  • What strategies would be considered?
  • What actions would you take?
  • What actions would you like the public to take?

12
MODULE 4 Post Flooding
  • Monday, February 20, 9 a.m.
  • NWS forecast
  • Higher pressure system has pushed the storm
    northeast into New Mexico and Colorado.
  • The seven day forecast indicates clear skies for
    the southwest.
  • Recovery
  • Water is receding and infrastructure damages is
    being assessed.
  • Home and business owners are asking when can
    they enter the affected flood areas.
  • Citizens are asking what assistance might be
    available.

13
MODULE 4 - Questions
  • What are the concerns of your agency?
  • What strategies would be considered?
  • What actions would you take?
  • What actions would you like the public to take?
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