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Flash Flood Watch

Flood Watch
National Weather Service Milwaukee/Sullivan WI
130 PM CDT Thu Jul 20 2017

...Heavy Rainfall Expected Friday Afternoon through Saturday

.A round of thunderstorms is expected to affect southern
Wisconsin Friday afternoon through Saturday morning. 1 to 3 inches
of rainfall is expected, with locally heavier amounts possible.
This rain, coupled with the already saturated ground, could result
in flash flooding across southern Wisconsin.

Including the cities of Baraboo, Reedsburg, Prairie Du Sac,
Sauk City, Portage, Columbus, Lake Wisconsin, Lodi, Dodgeville,
Mineral Point, Barneveld, Madison, Watertown, Fort Atkinson,
Jefferson, Darlington, Shullsburg, Benton, Belmont, Argyle,
Blanchardville, Monroe, Brodhead, Janesville, Beloit, Whitewater,
Delavan, Elkhorn, Lake Geneva, East Troy, Racine, and Kenosha
130 PM CDT Thu Jul 20 2017


The National Weather Service in Milwaukee/Sullivan has issued a

* Flash Flood Watch for portions of south central Wisconsin and
  southeast Wisconsin, including the following areas, in south
  central Wisconsin, Columbia, Dane, Green, Iowa, Lafayette,
  Rock, and Sauk. In southeast Wisconsin, Jefferson, Kenosha,
  Racine, and Walworth.

* From Friday afternoon through Saturday morning

* Heavy rainfall of 1 to 3 inches with locally higher amounts

* Impacts could include flooded roads and intersections, river
  flooding, and possible rock and mud slides in hilly terrain.


A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

Those outside, including campers and hikers, should avoid low
ground and areas along rivers and streams, where rapid water rises
could occur. Be especially cautious at night, when flash flooding
is difficult to see.



Flood Warning

Flood Statement
National Weather Service Milwaukee/Sullivan WI
1102 AM CDT THU JUL 20 2017

...The Flood Warning continues for the following rivers in

  Fox River Near
    New Munster

1102 AM CDT THU JUL 20 2017

The Flood Warning continues for
  The Fox River Near New Munster.
* At 10 AM Thursday the stage was 12.8 feet.
* Flood stage is 11.0 feet.
* Minor flooding is occurring.
* Forecast...The river is forecast to continue falling to near
  flood stage by Tuesday.


LAT...LON 4262 8832 4262 8814 4252 8813 4245 8811 4245 8827 4255 8825



River forecasts are available for some but not all river gaging
locations. The 7 day river forecast takes into account past
precipitation...soil moisture conditions etc..and predicted
future 48 hour basin-average precipitation.

(stages in ft.)        Bank-      Latest         Forecast stages
-               Flood  full      observed        ...for 7 pm...
Location        stage  stage    stage/time      Thu  Fri  Sat  Sun

New Munster     11.0  10.0  12.82 10 AM 7/20   12.7 12.4 12.1 11.7

-                   Highest      24 hour change
-                   observed     in river stage
-                   stage in      (ft.) up to      Highest stage
-                   the last    latest observed     forecast in
-                   7 days          stage           next 7 days

New Munster     17.47  4 PM 7/13    -0.37         12.80 1 PM 7/20

Below is the latest predicted precipitation information in 6 hour
increments for the listed sites. This information is updated twice
daily - in the morning and evening. Precipitation prediction is for
48 hours into the future from September through March and for 24
hours into the future from April through August.

New Munster: 7 am-1 pm  Thu Jul 20  0.06
New Munster: 1 pm-7 pm  Thu Jul 20  0.02
New Munster: 7 pm-1 am  Thu Jul 20  0.00
New Munster: 1 am-7 am  Fri Jul 21  0.00
New Munster: 7 am-1 pm  Fri Jul 21  0.00
New Munster: 1 pm-7 pm  Fri Jul 21  0.08
New Munster: 7 pm-1 am  Fri Jul 21  0.52
New Munster: 1 am-7 am  Sat Jul 22  0.64

Hydrologic Outlook

Hydrologic Outlook

Hydrologic Outlook
National Weather Service Milwaukee/Sullivan WI
445 AM CDT Thu Jul 20 2017

...Several Periods of Heavy Rainfall Expected...

Showers and thunderstorms will diminish this morning across southern
Wisconsin.  Since Wednesday evening, periods of thunderstorms have
deposited between 1 and 4 inches of rainfall over parts of south
central Wisconsin, from northwest of Madison near Reedsburg to
southwest of Madison toward Darlington and Monroe.

The overnight rainfall caused some minor urban and rural flooding as
well as rises in area rivers and streams. However the thunderstorm
threat will become small later today and continue into Friday
morning. This will allow the rain water to recede.

Another period of heavy rainfall is then expected across southern
Wisconsin Friday night.  Heavy Rainfall of 1 to 4 inches will again
be possible. This heavy rainfall may affect the same areas which
received heavy rain last night and this morning.

If you have outdoor plans the next several days, especially near
streams and rivers, be aware of the potential for flooding.  Listen
for later statements and possible Flash Flood Watches and Warnings.


Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
329 AM CDT Thu Jul 20 2017

Marquette-Green Lake-Fond Du Lac-Sheboygan-Sauk-Columbia-Dodge-
329 AM CDT Thu Jul 20 2017

This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin, and southeast Wisconsin.

.DAY ONE...Today and Tonight

Scattered thunderstorms will track across southern Wisconsin
through the early morning hours. Heavy rain is expected with these
storms. A few storms could produce gusty winds and hail.

There is a slight chance of showers and thunderstorms mainly south
of I-94 the rest of the day and again late tonight.

Heat index values in the middle to upper 90s are forecast across
far southern Wisconsin today.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Thunderstorms will become likely by Friday afternoon and
overspread all of southern Wisconsin Friday night before tapering
off Saturday. Repeated rounds of storms over the same area may
produce heavy rain that would affect the already high rivers.
Gusty winds and hail are possible at times. There is a slight
risk for severe storms during this period.

Heat index values in the middle 90s are forecast across mainly
southern and western portions of the area Saturday.


Spotter activation will not be needed Today or Tonight.


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