|
<br />0022~6
<br />
<br />
<br />National
<br />
<br />
<br />W t CANADA
<br />a e r .d Department 01 the Envi-onment
<br />
<br />C d. t · (n~!iJfilii!""'f(; Waler Resources Branch
<br />
<br />on 1 10 !:,,~ ",_ .. ,1(<<'7€/177fPR1L 1985
<br />, '/ '
<br />~--_ ' I
<br />1./)1 _:._
<br />.... .,,""..1:"1'
<br />;',
<br />
<br />......
<br />
<br />/ L~-t. vj
<br />
<br />UNITED STATES
<br />Departmenl 01 the Interior
<br />Geological Survey
<br />
<br />,
<br />
<br />.". .J~
<br />
<br />0'7 'l..,J 0
<br />o IY-
<br />V
<br />HAWAII
<br />
<br />
<br />STREAMFLOW DURING APRIL
<br />
<br />(
<br />\. I
<br />\ I ~I
<br />1: .
<br />
<br />\-L.._ I ,i '.
<br />j 'f~-'
<br />--;::Tm!~.,.~ ., 6l'
<br />"'.':,~' ~i ' ')" \8 '.:";'
<br />L}- 'm' ,&'
<br />--~.., . ~111 ..Hr;..':..,
<br />, '" '1JffJ"?b.~."...
<br />, -+." .,..,',:"'.'"""'",,
<br />..-. ,~~t.?TT~~~~
<br />"'~"-1n:"'.j:.:,'."::,)V'
<br />~lillJ~::~+W('~\
<br />'\; ,
<br />......J
<br />
<br />
<br />~
<br />
<br />.
<br />. .......
<br />I
<br />
<br />STREAMflOW
<br />
<br />~
<br />Abo~e normal
<br />r..,'...ftlh....p..2$pM.....
<br />ol,'""o.d'""'....",.~""1
<br />
<br />ALASKA
<br />
<br />,:~
<br />'.. _;;i(~,
<br />
<br />c::::J
<br />In normal rango
<br />
<br />PUERTO RICO
<br />
<br />r.--=:;
<br />
<br />P'l
<br />.........
<br />Belo..... normal
<br />I_,.h'nf....lo..... ~5_,,,,,
<br />ol.......d"'" "'''''''''''''1
<br />
<br />Streamflow was n the normal range or abOve that range at 58 percent 01 the index statIOns in the United
<br />Slates and southern Canada but Pennsylvania. New Jersey, and New York City declared drought emergencies
<br />affecting 2 t miRion people. Delaware RIVer basin streamflows and reservoir contents were at record Apr. lows:
<br />below-normal flows spread northward mto New York, northern New England, New Brunswick, and Quebec and
<br />southward oto parts of Rorida. Alabama and louisiana, because 01 below-average Apn precipitation in much 01
<br />the area east of the MiSSiSSippi River and south of the Great lakes. Record low ttows for April occurred at 15
<br />sites in thIS area of below-normal streamflow. and 19 of 33 selected reservor-s in the area had contents that
<br />were we. below Apii averages.
<br />
<br />In sharp contrast, ttle area of above-normal streamflow centered around Utah has been a persistent feature
<br />lor many months and the Great Salt lake rose 0.35 foot to 4209.90 feet above mean sea level, the highest
<br />elevation ., over one hundred years and only 0.35 foot below the predICted 1985 high.
<br />
<br />Snowmelt Roods occurred on April 20-22 in Michigan's Upper Pennsula with recurrence nlervals equaling
<br />or exceeding 100 years at 7 SItes in the sparsely populated area_
<br />
|