i c n d f drht outline of pilot project (draft)

W

arnin

g W

arnin

g

(by V

isit

ing S

ite)

(by V

isit

ing S

ite)

(by F

ace

to F

ace)

(by F

ace

to F

ace)

Flo

od I

nfo

rmat

ion

Flo

od I

nfo

rmat

ion

(BL

U o

r V

HF

by

(BL

U o

r V

HF

by

Voic

e C

om

munic

atio

n)

Voic

e C

om

munic

atio

n)

F

lood I

nfo

rmat

ion

F

lood I

nfo

rmat

ion

(Tel

. by V

oic

e C

om

munic

atio

n)

(Tel

. by V

oic

e C

om

munic

atio

n)

W

arnin

g W

arnin

g

(by R

adio

, T

el. or

Fax

)(b

y R

adio

, T

el. or

Fax

)

W

arnin

g W

arnin

g

(by R

adio

, T

el. or

Fax

)(b

y R

adio

, T

el. or

Fax

)

[Met

eo-h

ydro

logic

al O

bse

rbat

ion]

(Man

ual

Obse

rvat

ion)

Sta

tio

n o

f D

RH

T

[Dat

a C

oll

ecti

on]

[Iss

uan

ce o

f W

arnin

g]

(No G

uid

elin

e at

Pre

sent)

(No G

uid

elin

e at

Pre

sent)

[Exec

uti

on o

f E

vac

uat

ion]

[Dis

sem

inat

ion

of

War

nin

g]

[Dis

sem

inat

ion

of

War

nin

g]

DR

HT

Lo

cal A

uth

ori

ty

Pro

vin

cial

Off

ice

Lo

cal A

uth

ori

ty

Lo

cal

Inh

ab

ita

nts

Lo

cal

Inh

ab

ita

ntsDP

E

[Act

ion

]

[Act

ion

]

Sh

ari

ng o

f

Flo

od

In

form

ati

on

Th

rou

gh

Com

pu

ter

Net

work

Sta

tion

of

DR

HT

DR

HT

Pro

vin

cial

Off

ice

Loca

l In

hab

itan

ts

[Met

eo-h

yd

rolo

gic

al O

bse

rvat

ion

]

[Auto

mat

ic D

ata

Coll

ecti

on,

An

aly

sis,

Fo

reca

stin

g]

[Iss

uan

ce o

f W

arn

ing

]

[Ex

ecu

tio

n o

f E

vac

uat

ion

]

Flo

od I

nfo

rmat

ion

Flo

od I

nfo

rmat

ion

(by T

elem

eter

ing S

yst

em)

(by

Tel

emet

erin

g S

yst

em)

(by G

uid

elin

e)

(by G

uid

elin

e)

F

lood N

oti

ce /

Info

rmat

ion

F

lood N

oti

ce /

Info

rmat

ion

(b

y D

ial-

up C

onnec

tion)

(b

y D

ial-

up C

onnec

tion)

[Dis

sem

inat

ion

of

War

nin

g]

Loca

l A

uth

ori

ty

War

nin

gW

arnin

g

(by R

adio

, T

el /

Fax

)(b

y R

adio

, T

el /

Fax

)W

arnin

gW

arnin

g

(by R

adio

)(b

y R

adio

)

DP

E

Loca

l In

hab

itan

ts

(by S

iren

or

Spea

ker

)(b

y S

iren

or

Spea

ker

)

THE MASTER PLAN STUDY ON

FLOOD FORECASTING AND WARNING SYSTEM

FOR ATLAS REGION IN THE KINGDOM OF MOROCCO

Ou

tlin

e of

Pil

ot

Pro

ject

(D

raft

)O

utl

ine

of

Pre

sen

t S

yst

em

Fig. 6.1.1 OUTLINE OF PILOT PROJECT

F

lood N

oti

ce /

Info

rmat

ion

F

lood N

oti

ce /

Info

rmat

ion

(

by D

ial-

up C

onnec

tion)

(

by D

ial-

up C

onnec

tion)

F-6-1




Fig. 6.2.1 COMPARISON OF MASTER PLAN AND PILOT PROJECT IN NUMBER OF STATIONS AND WARNING POSTS IN OURIKA RIVER BASIN

Tarzaza

Ourika

Oufra Tifni

0 5 10 km

Master Plan

Tarzaza

Ourika

Oufra Tifni

0 5 10 km

Pilot Project

Flood Watch Station(Rain gauge)

Flood Watch Station (Rain& Water Level gauges)

Warning Post

Legend

F-6-2

F-6-3

Monitoring

Sta

tion

Monitoring

Sta

tion

Monitoring

Sta

tion

Monitoring

Sta

tion

AR

HT M

arra

kech

Mas

ter

Info

rmat

ion

Cente

r

Ultra

sonic

Wat

er

Leve

l G

auge Ultra

sonic

Wat

er

Leve

l G

auge

Ultra

sonic

Wat

er

Leve

l G

auge

Rai

n/w

ater

leve

lG

augi

ng

Rai

n/w

ater

leve

lG

augi

ng

Rai

n/w

ater

leve

lG

augi

ng

Rai

n fal

lG

augi

ng

Rai

n F

all

Gau

ging

Repe

ater

Equ

ipm

ent

Repe

ater

Equ

ipm

ent

War

nin

gP

ost

Tourc

ht

Flo

od

Wat

ch S

tation

Am

enza

l Flo

od

Wat

ch S

tation

Tio

urd

iou F

lood

Wat

ch S

tation

Ago

uns

Flo

od

Wat

ch S

tation

Taz

zito

unt

Flo

od

Wat

ch S

tation

Short

Dis

tance

Dat

a Tra

nsc

eiv

er

Short

Dis

tance

Dat

a Tra

nsc

eiv

er

Aoulo

uss

Repe

ater

Sta

tion

Adr

ar T

azai

na

Repe

ater

Sta

tion

Public

Tele

phone L

ine

DG

H R

abat

DP

E A

l H

auz

Al H

auz

Pro

vincia

l O

ffic

e

Ourika

Cai

dat

Irag

fh

Pro

vincia

l V

HF R

adio

Netw

ork

Note

: G

ray

colo

r is

Phas

e-II

Equ

ipm

ent

VH

FR

adio

Unit

VH

FR

adio

Unit

Sola

r P

anel

Tip

ping

Bucke

tR

ain G

auge

Sola

r P

anel

VH

F 7

0M

Hz

Rad

io e

quip

ment

was

inst

alle

d a

t al

l Flo

od

Wat

ch S

tations

by

Phas

e-II

Fig.6.3.1 CONCEPTUAL SYSTEM DIAGRAM OF PILOT PROJECT




F-6-4

Switching Hub

ABHT

Mar

rake

ch O

ffice

Rem

ote

Acce

ssSe

rver

BF :M

aste

r Inf

orm

atio

n Ce

nter

15"T

FT

Keyb

oard

/M

ouse

Dat

a Pr

oces

s Se

rver

UPS

Leas

er B

eam

Prin

ter

Ink j

et P

rinte

r

Clie

nt P

C

Keyb

oard

/M

ouse

AC 2

20V

Con

sole

Switc

hing

Box

Con

cent

rato

r

AC 2

20V

Publ

ic T

elep

hone

Net

work

UPS

AC 2

20V

NTP

Ser

ver

GPS

Rec

eive

r

GPS

Ante

nna

Data

Pro

cess

Equi

pmen

t

LAN

: 10

/100

BASE

-T

Public Telephone Network

　VH

F R

adio

Uni

t 　　

　　

　　

　　

　　

　Te

lem

etry

Supe

rvis

ory &

Con

trol

Equi

pmen

t

Com

mun

icat

ion

Con

trol U

nit

Wal

l han

ging

type

encl

ose

cabi

net

DC

Pow

erSu

pply

Uni

tTe

lem

etry

cont

rol

PC

Coa

xial

Arre

ster

Isol

atio

nTr

ansf

orm

er

2-el

emen

t Yag

iAn

tenn

a

Panz

er M

ast

(R21

6)

Gro

undi

ng R

ods

Ligh

tnin

g R

od

Gro

undi

ng P

late

Hei

ght 1

5m

UPS

17"

CR

T

Phas

e - I

Equ

ipm

ent

Phas

e - I

I Equ

ipm

ent

Fig.6.3.2 BLOCK DIAGRAM FOR TELEMETRY

SUPERVISORY & CONTROL AND

DATA PROCESSING EQUIPMENT




F-6-5

Rai

nG

auge

Pul

se

VH

F R

adio

Uni

tS

olar

Pan

elD

istri

butio

n B

oard

Bat

tery

150A

H

12V

DC

77.9

WS

olar

Pan

el

Rem

ote

Term

inal

Uni

t

2-el

emen

tY

agi

Ant

enna

R26

Pan

za M

ast

（S

ite S

uppl

y H

eigh

t7.

4m)

Gro

undi

ngP

late

Gro

undi

ngR

ods

CoaxialArrester

Phas

e - I

Equ

ipm

ent

Phas

e - I

I Equ

ipm

ent

Fig.6.3.3(1/3) BLOCK DIAGRAM FOR FLOOD

WATCH STATION (RAINFALL

STATION: AGOUNS AND




F-6-6

CoaxialArrester

Rai

nG

auge

Pul

se

Sol

ar P

anel

Dis

tribu

tion

Boa

rd

Bat

tery

150A

H

12V

DC

109W

Sol

ar P

anel

12V

DC

Dat

aR

ecei

ver

BC

D

Rec

eivin

gA

nten

na

VH

F R

adio

Uni

t

Rem

ote

Term

inal

Uni

t

R26

Pan

zer M

ast

(Site

Sup

ply)

2-el

emen

tY

agi

Ant

enna

Gro

undi

ngP

late

12V

DC

Gro

undi

ngR

ods

Pha

se -

I Equ

ipm

ent

Pha

se -

II E

quip

men

t

Fig.6.3.3(2/3) BLOCK DIAGRAM FOR FLOOD WATCH

STATION (RAINFALL AND WATER LEVEL

STATION: AMENZAL AND TIOURDIOU,

STATION SIDE)




F-6-7

Coder

for Ultrasonic

Water Level

Gauge

Power

Distribution

Board

Battery

300AH

for 7 days

autonomy

12VDC

163.5W

Solar Panel

BCD

Antenna

Air

Temperature

Sensor

w/ Natural Draft

SIO/BCD

Converter

Serial

Pt100

Ultrasonic

Transceiver

Transmit every 5 minute

M ax. 13.5m

Transmitte

r(10mW)

Phase-I Equipment

Fig.6.3.3 (3/4) BLOCK DIAGRAM FOR FLOOD WATCH STATION (RAINFALL AND WATER

LEVEL STATION: AMENZAL AND TIOURDIOU, RIVER SIDE)

THE MASTER PLAN STUDY ON FLOOD FORECASTING AND WARNING SYSTEM


F-6-8

Rai

nG

auge

Pul

se

Sol

ar P

anel

Dis

tribu

tion

Boa

rd

Bat

tery

600A

H

12V

DC

327W

Sol

ar P

anel

12V

DC

Ultr

ason

icTr

ansc

eive

r

Max. 13.5m

Cod

er

Air

Tem

pera

ture

Sen

sor

SIO

/BC

DC

ode

Con

verte

r

CoaxialArrester

VH

F R

adio

Uni

t

Tele

met

ry E

quip

men

t

Rem

ote

Term

inal

Uni

t

Gro

undi

ngR

ods

R26

Pan

za M

ast

(Site

Sup

ply)

2-el

emen

tY

agi

Ant

enna

Gro

undi

ngP

late

Pha

se -

I Equ

ipm

ent

Pha

se -

II E

quip

men

t




Fig.6.3.3(4/4) BLOCK DIAGRAM FOR FLOOD WATCH

STATION (RAINFALL AND WATER LEVEL

STATION: TAZZITOUNT)

F-6-9

VH

F R

adio

Uni

t

3-el

emen

tY

agi A

nten

na

R26

Pan

zer M

ast

Gro

undi

ngP

late

Gro

undi

ngR

ods

CoaxialArrester

DC

Pow

erS

uppl

yU

nit 　

DC

12V

/10

A

Bat

tery

DC

12V

/12

0AH

DC

12V

Sire

n In

terfa

ce U

nit

Ele

ctric

Sire

n U

nit

5-to

ne U

nit

War

ning

Am

plifi

erU

nit

Isol

atio

nTr

ansf

orm

erA

C22

0V

Loud

Spe

aker

Pha

se -

I Equ

ipm

ent

Pha

se -

II E

quip

men

t

Fig.6.3.4(1/3) BLOCK DIAGRAM FOR

WARNING SYSTEM

(IRAGHF WARNING POST)




F-6-10

3-el

emen

tY

agi

Ant

enna

R21

6 P

anze

r Mas

t（H

eigh

t 18ｍ

)

Gro

undi

ngP

late

Gro

undi

ngR

ods

CoaxialArrester

Bat

tery

12V

/12

0AH

Bat

tery

Cha

rger

12V

/10A

AC

220V

Exi

stin

g R

adio

Roo

m

VH

F R

adio

Uni

t5-

Tone

Uni

t

Clie

nt P

C

UPS

Inkje

tPr

inte

r

Mod

emTe

leph

one

Line

Exi

stin

g M

onito

ring

Equ

ipm

ent

Sire

n In

terfa

ce u

nit

Sire

n un

it

Pha

se -

I Equ

ipm

ent

Pha

se -

II E

quip

men

t




Fig.6.3.4(2/3) BLOCK DIAGRAM FOR WARNING SYSTEM (OURIKA CAIDAT)

F-6-11

3-el

emen

tY

agi

Ant

enna

VH

F R

adio

Uni

t

Gro

undi

ngR

ods

CoaxialArrester

AC

220V

5-To

neU

nit

Exi

stin

g R

adio

Roo

m

AC

Pow

erS

uppl

y U

nit

Inkje

tPr

inte

rUP

SCl

ient

PC

Mod

emTe

leph

one

Line

Sire

n In

terfa

ce U

nit

Ele

ctric

Sire

n U

nit

Exi

stin

g M

onito

ring

Equ

ipm

ent

Pha

se -

I Equ

ipm

ent

Pha

se -

II E

quip

men

t

Fig.6.3.4(3/3) BLOCK DIAGRAM FOR WARNING SYSTEM (AL HAOUZ PROVINCE)




Amenzal

TourchtAgouns Tiourdiou

Tazzitount

Tarzaza

Ourika

Oufra

Tifni

Adrar Tazalna

Aoulouss

DRHT Marrakech

THE MASTER PLAN STUDY ONFLOOD FORECASTING AND WARNING SYSTEM


Fig. 6.4.1 PROPOSED RADIO NETWORK FOR TELEMETRY SYSTEM FOR PILOT PROJECT PHASE II

F-6-12

Flood Watch Station

Repeater Station

(Master Information Center)

Amenzal


Tazzitount

Tarzaza

Ourika

Oufra

Tifni

Adrar Tazalna

Aoulouss

DRHT Marrakech

Oukaimedan



Fig. 6.4.2 RESULTS OF RADIO PROPAGATION TEST

F-6-13

Flood Watch Station

Candidate Site ofRepeater Station

Good

Fair

Inapplicable

Radio Propagation Condition by Field Test

(Master Information Center)Note: For some radio paths, the field propagation test was made for two or three cases, changing antenna type and location as shown in Table7.1.3. This figure gives a case of the best result for a path.

Amenzal


Tazzitount

Tarzaza

Ourika

Oufra

Tifni

Adrar Tazalna

Aoulouss

DRHT Marrakech

Oukaimedan



Fig. 6.4.3 RESULTS OF RADIO CURCUIT CALCULATION

F-6-14

Flood Watch Station

Candidate Site ofRepeater Station

Good

Fair

Inapplicable

Radio Propagation Condition by Calculation

(Master Information Center)

F-6-15

Rec

eivin

gA

nten

na

Sol

ar P

anel

Dis

tribu

tion

Boa

rd

Bat

tery

200A

H

12V

DC

109W

Sol

ar P

anel

Tran

smis

sion

Ant

enna

Rep

eate

rE

quip

men

t

Rad

io U

nit

No.

2R

adio

Uni

tN

o.1

Rep

eate

r Inf

orm

atio

nU

nit

RX

/RX

Filt

er

Rep

eate

r Con

trol U

nit 12

V D

C

CoaxialArrester

Ligh

tnin

gR

odLi

ghtn

ing

Rod

R26

Pan

zer M

ast

(Hei

ght 7

.4m

)

Rad

ial

Gro

undi

ng

CoaxialArrester

R26

Pan

zer M

ast

(Hei

ght 7

.4m

)

Rad

ial G

roun

ding

for

stat

ion

hous

ing

Rad

ial

Gro

undi

ng

Fig.6.4.4(1/2) BLOCK DIAGRAM FOR REPEATER STATION (AOULOUSS)




F-6-16

Sol

ar P

anel

Dis

tribu

tion

Boa

rd

Bat

tery

200A

H

12V

DC

109W

Sol

ar P

anel

Tran

smis

sion

Ant

enna

Rep

eate

rE

quip

men

t

Rad

io U

nit

No.

2R

adio

Uni

tN

o.1

Rep

eate

r Inf

orm

atio

nU

nit

RX

/RX

Filt

er

Rep

eate

r Con

trol U

nit 12

V D

C

CoaxialArrester

Ligh

tnin

gR

od

CoaxialArrester

Rad

ial G

roun

ding

for

stat

ion

hous

ing

Rec

eivin

gA

nten

na

Ligh

tnin

gR

od

Ligh

tnin

gR

od

Rad

ial

Gro

undi

ngR

adia

lG

roun

ding

R21

6 P

anze

r Mas

t(H

eigh

t 7.4

m)

Fig.6.4.4(2/2) BLOCK DIAGRAM FOR REPEATER STATION (ADRAR TAZAINA)




F-7-3




Fig. 7.1.3(1/4) EXAMPLES OF GRAPHIC INFORMATION PROVIDED

BY DRHT

F-7-4





BY DRHT

F-7-5





BY DRHT

F-7-6




Fig. 7.1.3(4/4) EXAMPLES OF GRAPHIC INFORMATION PROVIDED BY DRHT

F-7-7




Fig. 7.1.4(1/2) EXAMPLE OF SIMULATION RESULTS (COMPARISON)

F-7-8




Fig. 7.1.4(2/2) EXAMPLE OF SIMULATION RESULTS (FORECAST)

Fig. 7.2.1 FLOW CAPACITY OF OURIKA RIVER AT LEVEL OF ROAD P2017



0

200

400

600

800

1000

1200

d.34

d.85

d.13

4

d.18

8

d.23

8

d.26

5

d.28

4

d.30

9

d.33

4

d.35

7

d.37

7

d.40

0

d.41

9

d.44

2

d.47

2

d.51

3

d.54

1

d.56

5

d.58

7

d.61

0

d.63

6

Cross Section Number

Flow

Cap

acity

(m3 /s

)

Flow Capacity 20-year Discharge 10-year Discharge 5-year Discharge 2-year Discharge

0

10

20

30

40

50

60

70

80

90

100

d.34

d.85

d.13

4

d.18

8

d.23

8

d.26

5

d.28

4

d.30

9

d.33

4

d.35

7

d.37

7

d.40

0

d.41

9

d.44

2

d.47

2

d.51

3

d.54

1

d.56

5

d.58

7

d.61

0

d.63

6

Cross Section Number

Riv

er W

idth

(m)

0

1

2

3

4

5

6

7

8

9

10

Rel

ativ

e H

eigh

t of R

out 2

017

to R

iver

Bed

(m)

River Width at Level of Rout 2017 Relative Height of Rout 2017 to River Bed

Tnine Bridge Aghbalou Station

Tazzitount Station

Rout 2017 is inthe river Bed

Setti FadmaIraghf (Oulmes)

Capacity is 160 m3/s, correspondingto 3- year discharge

F-7-9

(m3/s/km2) (m3/s) (m3/s/km2) (m3/s) (m3/s/km2) (m3/s) (m3/s/km2) (m3/s) (m3/s/km2) (m3/s) (m3/s/km2) (m3/s)

Aghbalau Station 495 3.33 1,650 2.42 1,200 1.52 750 0.99 490 0.61 300 0.23 115

Before confluencewith Tarzaza R. 390 3.73 1,460 2.71 1,060 1.70 660 1.10 430 0.68 260 0.26 105

Before confluencewith Tighzit R. 365 3.85 1,400 2.80 1,020 1.75 640 1.14 420 0.70 260 0.27 100

Tazzitount Station 347 3.94 1,370 2.86 990 1.79 620 1.16 400 0.72 250 0.28 95

Before confluencewith Wigrane R. 266 4.44 1,180 3.23 860 2.02 540 1.31 350 0.81 220 0.31 80

Setti Fadma 223 4.80 1,070 3.48 780 2.18 490 1.42 320 0.87 190 0.34 70

Tiourdiou Station 134 5.93 790 4.31 580 2.70 360 1.75 240 1.08 140 0.42 60

Amenzal Station 49 8.58 420 6.24 310 3.91 190 2.54 120 1.56 75 0.60 30

Note: The probable discharges at Aghbalau Station were estimated by DRHT using observed data.

Estimation of Probable Discharge by Retuen Period

10 years 5 years 2 yearsLocation

CatchmentArea (km2)

100 years 50 years 20 years

Creager's Curves

0

2

4

6

8

10

12

0 100 200 300 400 500 600

Catchment Area (km2)

Spec

ific

Dis

char

ge(m

3/s/

km2)

100 years (C=12.72)50 years (C=9.24)20 years (C=5.79)10 years (C=3.76)5 years (C=2.31)2 years (C=0.89)

q = 1.303 x C x (A/2.59)^(0.894x(A/2.59)^(-0.048) - 1) where q: Specific Discharge (m3/s/km2) C: Coefficient (determined based on observed discharges at Aghbalau Station). A: Catchment Area (Km2)

Aghbalau Station



Fig. 7.2.2 ESTIMATION OF PROBABLE DISCHARGES BY USING CREAGER'S CURVES

F-7-10

Rating Curve at Amenzal (August 30, 2001)

9

10

11

12

13

14

0 50 100 150 200 250 300 350 400 450 500

Discharge (m3/s)

Wat

er L

evel

(m)

Rating Curve at Tiourdiou (September 2, 2001)

2

3

4

5

6

7

0 100 200 300 400 500 600 700 800Discharge (m3/s)

Wat

er L

evel

(m)

Alert Level : 405 cm

Rating Curve at Tazzitount (November 7, 2000)

3

4

5

6

7

8

0 100 200 300 400 500 600 700 800 900 1,000

Discharge (m3/s)

Wat

er L

evel

(m)



Fig. 7.2.3 RATING CURVES AND ALERT LEVELS AT 3 STATIONS

F-7-11

Alert Level : 450 cm

Pre-alert Level : 365 cm

Pre-alert Level : 340 cm

Alert Level : 1,150 cm

Pre-alert Level : 1,085 cm

Cross Section Profile at Tiourdiou (2 Sep. '01)

2

4

6

8

10

0 10 20 30 40 50 60Distance (m)

Elev

ation

(m)

Cross Section Profile at Tazzitount (7 Nov. '00)

2

4

6

8

10

12

0 10 20 30 40 50 60 70Distance (m)

Elev

ation

(m)

Alert Level (4.50m)Pre-alert Level (3.65m)


Cross Section Profile at Amenzal (30 Aug. '01)

10

12

14

16

18

20

0 10 20 30 40 50 60Distance (m)

Elev

ation

(m)


F-7-12



Fig. 7.2.4 CROSS SECTION PROFILE AND ALERT WATER LEVELS AT 3 STATIONS

Obs

erve

d Fl

ood

Hyd

regr

aphs

at A

ghba

lau

0

100

200

300

400

500

600

700

800

900

1,000

1,100

1,200

03

69

1215

1821

24

Hour

s

Duscharge (m3/s)8-

9 Sep

. '79

11 F

eb. '8

726

Sep

. - 2

Nov.

'8714

Jul. '

8910

Mar

. '90

14 S

ep. '9

05-

7 Dec

. '91

1 Aug

. '92

17 A

ug. '9

528

Oct.

'99



Fig. 7.2.5 RISING FLOOD HYDROGRAPHS OBSERVED AT AGHBALOU STATION

F-7-13

F-7-14

MINISTRY OF EQUIPMENT

DIRECTION GENERALE DE L’HYDROULIQUE

DIRECTION DE LA REGIONAL HYDRAULIQUE DE TENSIFT

PRE RIVER FLOOD NOTICE

NO. 23/01

Announced at 15:20, Friday, 21 December 2001

Please be informed that rainfall at Tiourdiou Station reached Pre-alert Level and that the flood is further developing in the Ourika River Basin.

A) RAINFALL

15:00 – 15:20

21/12/01

14:00-15:00

21/12/01

Pre-alert Level Alert Level Station Accumulated

Rainfall

10 min Rainfall 1 hour Rainfall 10 min 1 hour 10 min 1 hour

Agouns 9 1 4 2 5 6 20 Amenzal 23 0 3 2 5 6 20 Tiourdiou 20 3 5 2 5 6 20 Tourcht 12 1 2 2 5 6 20 Tazzitount 11 1 3 2 5 6 20

B) WATER LEVEL AND DISCHARGE

15:20 21/12/01 Pre-alert Level Alert Level Station

Water Level (cm)

Discharge (m3/s)

Water Level (cm)

Discharge (m3/s)

Water Level (cm)

Discharge (m3/s)

Amenzal 1,080 6 1,085 13 1,150 50 Tiourdiou 352 36 340 25 405 100 Tazzitount 330 12 365 40 450 160

Destinations:

DPE Al Haouz

Al Haouz Province

DGH

DMN Marrakech



Fig. 7.2.6(1/3) FAX FORM OF FLOOD NOTICE (PRE RIVER FLOOD NOTICE)

F-7-15




RIVER FLOOD NOTICE

NO. 24/01

Announced at 18:35, Friday, 21 December 2001

Please be informed that water level at Tazzitount Station exceeded Alert Level and that the flood is further developing to cause inundation along Ourika River.

A) RAINFALL

18:20 – 18:30

21/12/01

17:00-18:00

21/12/01


Rainfall





Water Level (cm)

Discharge (m3/s)

Water Level (cm)

Discharge (m3/s)

Water Level (cm)

Discharge (m3/s)


Destinations:

DPE Al Haouz

Al Haouz Province

DGH

DMN Marrakech


FLOOD FORECASTING AND WARNING SYSTEM FOR ATLAS REGION IN THE KINGDOM OF MOROCCO

Fig. 7.2.6(2/3) FAX FORM OF FLOOD NOTICE (RIVER FLOOD NOTICE)

F-7-16




CANCELLATION OF PRE-RIVER AND/OR RIVER FLOOD NOTICE

NO. 25/01

Announced at 22:10, Friday 21, December 2001

Please be informed that rainfall and water level at all the stations in Ourika River Basin has gone down under Pre-alert Level and the river has returned to normal conditions.

A) RAINFALL

22:00 -22:10

21/12/01

21:00-22:00

21/12/01


Rainfall





Water Level (cm)

Discharge (m3/s)

Water Level (cm)

Discharge (m3/s)

Water Level (cm)

Discharge (m3/s)


Destinations:

DPE Al Haouz

Al Haouz Province

DGH

DMN Marrakech



Fig. 7.2.6(3/3) FAX FORM OF FLOOD NOTICE (CANCELLATION)

F-7-17

AL HAOUZ PROVINCE

RIVER FLOOD CAUTION

NO. 23/01

Issued at 15:30, Friday, 21 December 2001

Please be informed that heavy rainfall and/or water level rising are being observed in the Ourika River Basin. You are advised to get prepared against further development of the flood.

Destinations:

Royal Mounted Police Civil Protection Tahanaout Cercle



Fig. 7.2.7(1/3) FAX FORM OF FLOOD WARNING (RIVER FLOOD

( CAUTION)

F-7-18

AL HAOUZ PROVINCE

EVACUATION ADVICE

NO. 24/01


Please be informed that the flood is further developing into a dangerous level in the Ourika River Basin. Those who are in and near the river are advised to evacuate yourself to safer places.

Destinations:



FLOOD FORECASTING AND WARNING SYSTEM FOR ATLAS REGION IN THE KINGDOM OF MOROCCO

Fig. 7.2.7(2/3) FAX FORM OF FLOOD WARNING (EVACUATION ADVICE)

F-7-19

AL HAOUZ PROVINCE

CANCELLATION OF FLOOD WARNING(S)

NO. 25/01


Please be informed that the flood risk has passed and the river has returned to normal conditions in the Ourika River Basin.

Destinations:




Fig. 7.2.7(3/3) FAX FORM OF FLOOD WARNING (CANCELLATION)

i c n d f drht outline of pilot project (draft)

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