SLCRVFSTR Jul, 2021
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FGUS55 KSTR 260109
RVFSTR
COLORADO BASIN RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE, SALT LAKE CITY, UTAH
0026 UTC Mon Jul 26, 2021
** INTERNAL NATIONAL WEATHER SERVICE PRODUCT FOR GUIDANCE PURPOSES ONLY **
FORECASTS BASED ON LATEST SIMPLIFIED DAMBREAK PROG ISSUED BY HRL
*** FGZ HSA
. . . D A M B R E A K F O R E C A S T . . .
MILLETT SWALE on MILLETT SWALE
Time and Flood Wave Forecast:
Forecast Distance Time Est Time Depth Peak
Point From to Flood to of Flow
Dam Flood Stage Peak Peak
(mi) (min) (ft) (min) (ft) (cfs)
--------------------------------------------------------------------------------
DAMSITE 0.00 0 3.5 5 7.4 110837
TAYLOR 4.00 66 3.5 72 4.7 21029
SNOWFLAKE 6.00 118 3.5 122 4.5 15813
Comments:
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Additional Information:
Inputs for This Forecast:
Source: STR
Scenario: LF
Starting Water Surface: 5719.2
Bottom of Breach Width: 5708.4
Starting Volume: 320
Starting Surface Area: 80
Time of Failure: 4.8
Additional Flow to Add: 10
Final Breach Width: 2250
Dam Type Code: 0
Comments: 'Used dambatch.tcl'
Dam Information:
NID ID: AZ00059
Dam Name: MILLETT SWALE
State ID: 9
River: MILLETT SWALE
County: NAVAJO
Latitude: 34.430556 (34 25 50)
Longitude: -110.04111 (110 2 28)
Elevation: 5707.2
Topo Map: SHOW LOW
Return Flow Region: 11
Drainage Area: 40
Emergency Action Plan: 0 (None)
Comments: 'Used dambatch.tcl'
Updated: 07/03/2002
HSA: FGZ
RFC: CBRFC
Dam Type: RE
Dam Height: 24
Structural Height: 0
Hydraulic Height: 0
NID Height: 24
NID Storage: 2104
Max Storage: 2104
Normal Storage: 0
Dam Length: 2500
Surface Area: 200
Max Discharge: 11559
Volume Material: 0
Core: BLANK
Foundation: BLANK
Spillway Type: U
Spillway Width: 200
Owner Name: SILVER CREEK IRRIGATION DISTRICT
Owner Type: P
Year Completed: 1958
Purposes: CD
Private on Federal Land: N
Downstream Hazard: H
Inspection Date: 04/18/1997
State Regulated: Y
Source Agency: AZ
Section T R: S20 T12N R22E