Very wet weekend Dec. 21, 22
National Weather Service Detroit/Pontiac, MI
Last Update: 9:37 am EST Dec 21, 2013
PLAN on lots of snow and ice to melt
– loading the storm drain systems and river.
Frozen ground is basically impervious, like pavement.
The condition of the ground impacts how much precipitation
can infiltrate. This is an important factor because
any water that can’t infiltrate into the ground
will become stormwater runoff.
High near 35, Chance of precipitation is 90%.
Tonight: Temperature rising to around 36 by 5am.
Chance of precipitation is 100%.
Sunday: Rain likely, steady temperature around 39.
Chance of precipitation is 70%.
UPDATED GRAPH as of 12:30am on December 22 , 2013