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Flash Flood Watch

Flood Watch
National Weather Service La Crosse WI
1118 PM CDT Thu Jul 20 2017

...More Heavy Rainfall Expected Friday Afternoon through Saturday
Morning...

.Another round of thunderstorms is expected across portions of
the Upper Mississippi River Valley Friday afternoon through early
Saturday morning. 1 to 3 inches of rainfall is possible with
perhaps some localized higher amounts. This expected heavy
rainfall, coupled with saturated and some already flooded ground
from heavy rainfall Wednesday night, could cause renewed flash
flooding and flooding issues, including road washouts, mud and
rock slides, and rapid river rises.

IAZ009>011-030-MNZ079-086>088-094>096-WIZ032>034-041>044-053>055-
061-211230-
/O.CON.KARX.FF.A.0005.170721T1700Z-170722T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Howard-Winneshiek-Allamakee-Clayton-Wabasha-Dodge-Olmsted-Winona-
Mower-Fillmore-Houston-Buffalo-Trempealeau-Jackson-La Crosse-
Monroe-Juneau-Adams-Vernon-Crawford-Richland-Grant-
Including the cities of Cresco, Decorah, Waukon, Elkader,
Wabasha, Dodge Center, Rochester, Winona, Austin, Preston,
Caledonia, Alma, Arcadia, Whitehall, Black River Falls,
La Crosse, Sparta, Tomah, Mauston, Friendship, Viroqua,
Prairie Du Chien, Richland Center, and Platteville
1118 PM CDT Thu Jul 20 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY MORNING...

The Flash Flood Watch continues for

* Portions of northeast Iowa, southeast Minnesota, and
  Wisconsin, including the following areas, in northeast Iowa,
  Allamakee, Clayton, Howard, and Winneshiek. In southeast
  Minnesota, Dodge, Fillmore, Houston, Mower, Olmsted, Wabasha,
  and Winona. In Wisconsin, Adams, Buffalo, Crawford, Grant,
  Jackson, Juneau, La Crosse, Monroe, Richland, Trempealeau, and
  Vernon.

* From Friday afternoon through Saturday morning

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

* Impacts could include flash flooding, additional road
  washouts, rock and mud slides, and river flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

Wetenkamp



Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service La Crosse WI
351 PM CDT Thu Jul 20 2017

IAZ009>011-030-MNZ079-086>088-094>096-WIZ032>034-041>044-053>055-
061-211200-
Howard-Winneshiek-Allamakee-Clayton-Wabasha-Dodge-Olmsted-Winona-
Mower-Fillmore-Houston-Buffalo-Trempealeau-Jackson-La Crosse-
Monroe-Juneau-Adams-Vernon-Crawford-Richland-Grant-
351 PM CDT Thu Jul 20 2017

This Hazardous Weather Outlook is for portions of northeast
Iowa...southeast Minnesota...and southwest into central Wisconsin.

.DAY ONE...Tonight

Scattered storms will become likely after midnight, mainly west of
the Mississippi River. These storms are expected to remain below
severe limits but could contain some localized heavy downpours
which may cause some ponding of water.

Some rivers and creeks remain high to flooded. Remain alert for
possible road closures.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Flash Flood Watch from noon Friday through 9 am Saturday.

Thunderstorms are likely Friday into Friday night. Some of the
storms may produce damaging winds in the afternoon and evening.
Also, an isolated tornado cannot be ruled out mainly south of
I-90.

Flash flooding is possible in areas that receive repeated
thunderstorms. Plan on additional rises on some area rivers and
streams, with flooding along rivers where heavier rainfall
occurs.

Scattered thunderstorms are possible Saturday into Saturday
evening. A few storms may be strong to possibly severe with
locally heavy rainfall, strong winds, and hail.

Isolated thunderstorms are possible Sunday and again Tuesday night
into Wednesday. It is too early to discern any severe threats at
this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed Friday afternoon into Friday
night.

.EMERGENCY MANAGEMENT COORDINATION...

A webinar has been scheduled for 11 am Friday.

$$



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
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