FLOOD07067

• County: Larimer
• Community: Big Thompson Canyon
• Stream Name: Big Thompson
• Basin: South Platte
• Title: Peak Discharge Estimates In Refinement of the Big Thompson Storm Analysis
• Date: 5/5/1978
• Prepared For: Conference on Flash Floods
• Prepared By: American Meteorological Society
• Floodplain - Doc Type: Flood Documentation Report

"

'00 .-
.' .-
./- ,
90 , .-
./ ,
~./ /" .-
,
z ,
e 80 ..
~
.. /' /
':: /
~ 70 /' I
u /' I
w / I
'" I
~ 60 / I
~ I I
0
'" I
.:r 50 / I
~ .-/~
.. /
~ 40
~ / '"
~ '"
//
030 / --
~ -'"-
z - 81G THOUPSON RIVEt? ORAINAGE
w / "
~ 20 r COLORADO
w / I SYNTHETIC MASS CURVES FOR
~ I FLOOO RECONSTRUCTION
/ I
'0 / JUL r JI, 1916
,t. /
.-
0
1830 1900 1930 2000 2030 2100 2130 2200 2230
TIME (MDT) JULY 31,1976

Figure 5. Adopted mass curves. Curves A, 8. and C apply to the areas as designated
1nFfgure6.

~

"'-"'......-
,

,
'----\-.,

u,

, . ,
=-.-.=---:::...:..:..:
sc'ClOO-."1I

,
,

~
.

-- r,'m'1.:cr6."f =~':~:.~gtr"
~.ISO""ET I'I!MlO __ 7J"'1~ TO
tt30"lI'''7Io
5lT{ll'U.U.S.Pl!UIlIIClUIIIHB"IIUI
"Uf~ STAG( ~ICOll~" U&,'O"
"l!Cl(TSUI"If>"Ul(.llTIOIIl'"
.IIfClP,UTIOlO_T,'IOCtlU

"
-,

u

~

. .,.-.'>~-:<

"
"
,
,
,
.'..)IOO'!O'

,L,

.,.

Figure 6. Areas to which the mass curves (in Figure 5) apply. Mass curve A applies
to subbasins in the hatched area; curve 8 applies to subbasins 16 and 17 (double-
hatched areal; and curve C applies to the rest of the subbasins (white area within
the dashed boundary).

139