Polk County, Iowa
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Polk County, Iowa
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Flash Flood Watch
IAZ058>062-070>075-081>086-092>097-270045-
/O.CON.KDMX.FF.A.0006.170726T1800Z-170727T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Guthrie-Dallas-Polk-Jasper-Poweshiek-Cass-Adair-Madison-Warren-
Marion-Mahaska-Adams-Union-Clarke-Lucas-Monroe-Wapello-Taylor-
Ringgold-Decatur-Wayne-Appanoose-Davis-
Including the cities of Guthrie Center, Panora, Bayard, Casey,
Perry, Waukee, Adel, Des Moines, Newton, Grinnell, Atlantic,
Greenfield, Stuart, Adair, Fontanelle, Winterset, Earlham,
Indianola, Norwalk, Carlisle, Pella, Knoxville, Oskaloosa,
Corning, Creston, Osceola, Chariton, Albia, Ottumwa, Bedford,
Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, Seymour,
Allerton, Humeston, Centerville, and Bloomfield
1132 AM CDT Wed Jul 26 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

The Flash Flood Watch continues for

* Portions of central Iowa, south central Iowa, southeast Iowa,
southwest Iowa, and west central Iowa, including the following
areas, in central Iowa, Dallas, Jasper, Polk, and Poweshiek.
In south central Iowa, Appanoose, Clarke, Decatur, Lucas,
Madison, Mahaska, Marion, Monroe, Ringgold, Union, Warren, and
Wayne. In southeast Iowa, Davis and Wapello. In southwest
Iowa, Adair, Adams, Cass, and Taylor. In west central Iowa,
Guthrie.

* Through late tonight

* Ample moisture will stream into the state today ahead of cold
front that will pass through the state. Thunderstorms are
expected with this system today into tonight as it passes
through central Iowa. Given the potential for very heavy
rainfall with the storms the flash flood watch will continue.
Rainfall rates of 2-3 inches per hour are possible, along with
training of storms, which means that it is possible for a number
of storms pass over the same location, each of which could
produce heavy rainfall. Although conditions are still relatively
dry in the watch area, the intense rainfall rates may lead to
flash flooding, especially in urban areas and low lying areas
because the ground is hard and rapid rainfall will only runoff
instead of soaking into the ground.

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.

&&

$$

National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
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