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Flash Flood Watch


Flood Watch
National Weather Service Kansas City/Pleasant Hill MO
307 AM CDT Mon Aug 21 2017

...Flash flood threat tonight into Tuesday morning...

.Multiple rounds of storms producing heavy rainfall are expected
to develop this evening and continue through the overnight hours.
This flooding threat is of particular concern to those camping
outdoors tonight, and especially those not familiar with the local
area, typical flood-prone areas, and low water crossings. Be sure
to have a method of monitoring conditions and receiving warnings,
and identify more than one possible escape route should flood-
waters threaten.

KSZ025-057-060-102>105-MOZ012>016-020>024-028>032-037>039-043>045-
053-054-212200-
/O.CON.KEAX.FF.A.0006.170822T0300Z-170822T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-
Johnson KS-Andrew-De Kalb-Daviess-Grundy-Sullivan-Buchanan-
Clinton-Caldwell-Livingston-Linn MO-Platte-Clay-Ray-Carroll-
Chariton-Jackson-Lafayette-Saline-Cass-Johnson MO-Pettis-Bates-
Henry-
Including the cities of Atchison, Paola, Osawatomie, Louisburg,
Pleasanton, La Cygne, Mound City, Wathena, Elwood, Troy,
Highland, Fort Leavenworth, Leavenworth, Lansing,
Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee,
Lenexa, Savannah, Country Club Villa, Maysville, Stewartsville,
Osborn, Union Star, Clarksdale, Gallatin, Jamesport, Trenton,
Milan, Green City, St. Joseph Airport, St. Joseph, Cameron,
Plattsburg, Lathrop, Hamilton, Braymer, Polo, Breckenridge,
Chillicothe, Brookfield, Marceline, Parkville, Platte City,
Riverside, Weatherby Lake, Weston, Gladstone, Liberty,
Excelsior Springs, Richmond, Lawson, Carrollton, Salisbury,
Brunswick, Keytesville, Kansas City, Independence, Odessa,
Higginsville, Lexington, Concordia, Marshall, Belton, Raymore,
Harrisonville, Pleasant Hill, Warrensburg, Sedalia, Butler,
Adrian, Rich Hill, Clinton, and Windsor
307 AM CDT Mon Aug 21 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
TUESDAY MORNING...

The Flash Flood Watch continues for

* Portions of Kansas and Missouri, including the following
  areas, in Kansas, Atchison KS, Doniphan, Johnson KS,
  Leavenworth, Linn KS, Miami, and Wyandotte. In Missouri,
  Andrew, Bates, Buchanan, Caldwell, Carroll, Cass, Chariton,
  Clay, Clinton, Daviess, De Kalb, Grundy, Henry, Jackson,
  Johnson MO, Lafayette, Linn MO, Livingston, Pettis, Platte,
  Ray, Saline, and Sullivan.

* From this evening through Tuesday morning

* A storm system with a slow moving surface front will bring
  periods of moderate to heavy rain to the watch area on Monday
  evening into Tuesday morning. High rain rates capable of
  producing two to three inches of rain are expected with
  locally higher amounts.

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.

&&

$$

Laflin


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Lincoln IL
1132 AM CDT Mon Aug 21 2017

ILZ027>031-036>038-040>055-061-221100-
Cass-Champaign-Christian-De Witt-Douglas-Fulton-Knox-Logan-Macon-
Marshall-Mason-McLean-Menard-Morgan-Moultrie-Peoria-Piatt-
Sangamon-Schuyler-Scott-Shelby-Stark-Tazewell-Vermilion-Woodford-
1132 AM CDT Mon Aug 21 2017

This Hazardous Weather Outlook is for portions of central
Illinois and east central Illinois.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

Scattered thunderstorms will continue through the afternoon,
especially in areas north of I-72. A break in thunderstorm
activity is expected, then another period of thunderstorms is
expected overnight. There is a small risk of severe thunderstorms
this afternoon, with strong winds and hail the main threats.

Heat index values will reach 92 to 98 degrees this afternoon.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

Scattered thunderstorms will remain possible through Tuesday
afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon.

$$

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
1054 AM CDT Mon Aug 21 2017

WIZ046-047-051-052-056>060-062>072-221600-
Marquette-Green Lake-Fond Du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
1054 AM CDT Mon Aug 21 2017

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

.DAY ONE...This Afternoon and Tonight

There is a chance of thunderstorms west of madison late this
afternoon.

Thunderstorms are then expected tonight, moving eastward across
the area. There is a marginal risk for severe storms tonight.
Damaging winds, large hail and heavy rainfall are possible.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There is a chance of thunderstorms Sunday afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed tonight.

$$

Hazardous Weather Outlook
National Weather Service La Crosse WI
500 AM CDT Mon Aug 21 2017

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-221100-
Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette-
Clayton-Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston-
Taylor-Clark-Buffalo-Trempealeau-Jackson-La Crosse-Monroe-Juneau-
Adams-Vernon-Crawford-Richland-Grant-
500 AM CDT Mon Aug 21 2017

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

.DAY ONE...Today and Tonight

Scattered storms will move through the area this morning. The main
threat with these storms will be lightning. The stronger storms
may produce small hail and locally heavy rain.

Another round of storms will move through the area from mid
afternoon through early overnight. A few of these storms may
become severe between 3 PM and 10 PM. While the entire area will
have the potential of seeing severe weather, the greatest threat
will be south of Interstate 90. The main severe weather threat
will be damaging winds with a lesser threat for large hail and
isolated tornadoes. In addition to this, there will be periods of
heavy rain.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There will be a chance of storms from Friday night into Sunday. It
is too early discern whether any of these storms will become
severe.

.SPOTTER INFORMATION STATEMENT...

Spotter activation could be needed from mid afternoon into the
evening.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

$$

Boyne

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
430 AM CDT Mon Aug 21 2017

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-220930-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
430 AM CDT Mon Aug 21 2017

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...TODAY AND TONIGHT

A complex of thunderstorms moving into the outlook area early this
morning will produce locally heavy rainfall, frequent lightning
and wind gusts up to 40 mph. Rainfall amounts of 1 inch or more
in less than an hour may cause some localized flooding.

Isolated thunderstorms are possible through the rest of the day.
Some of these storms could produce hail over 1 inch in diameter,
wind gusts over 60 mph and heavy rainfall.

Tonight, widespread thunderstorms are expected as a cold front
moves through the area. These storms may produce damaging winds
up to 70 mph and heavy rainfall. The Storm Prediction Center has
placed a slight risk for severe storms over most of the outlook
area for today and tonight.

Heavy rainfall tonight may lead to totals as high as 3 inches in a
few locations overnight, which could lead to flash flooding.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon through evening.

$$

Sheets

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
427 AM CDT Mon Aug 21 2017

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
220930-
Winnebago-Boone-McHenry-Lake Illinois-Ogle-Lee-De Kalb-Kane-
DuPage-Cook-La Salle-Kendall-Grundy-Will-Kankakee-Livingston-
Iroquois-Ford-Lake Indiana-Porter-Newton-Jasper-Benton-
427 AM CDT Mon Aug 21 2017 /527 AM EDT Mon Aug 21 2017/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...Today and Tonight.

WEATHER HAZARDS EXPECTED:
  Significant Thunderstorm Risk...with an associated:
      Elevated Flooding Risk.
      Elevated Thunderstorm Wind Damage Risk...up to 60 MPH.
      Limited Hail Risk...up to quarter size.
      Limited Tornado Risk.

DISCUSSION:

An area of storms across Iowa early this morning will slowly
move east southeast through late morning. Some of these
thunderstorms may impact part of the area during mid morning
through early afternoon. This is most favored south of a Dixon
to Joliet to Valparaiso line. A few of the storms could be
severe with mainly a wind and heavy rain threat.

Thunderstorm potential increases again after dark from west to
east across the area. Some of these storms may be severe with
mainly a scattered damaging wind threat. Heavy rainfall is
likely with any storms tonight, and it is possible some
training occurs mainly in north central Illinois. This could
result in flooding.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Tuesday...
  Limited Thunderstorm Risk.
  High Swim Risk.
Sunday...
  Limited Thunderstorm Risk.

DISCUSSION:

Gusty northwest to north winds Tuesday afternoon and night will
result in a heightened risk of rip current for the northwest
Indiana shores.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed today and tonight.

GENERAL STORM MOTION OF THE DAY:

Moving to the east at 20 mph through this evening, and moving to
the east at 35 mph overnight.

&&

$$

Hazardous Weather Outlook
National Weather Service Saint Louis MO
411 AM CDT Mon Aug 21 2017

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-220915-
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL-
Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Knox MO-
Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO-
Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO-
Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO-
Madison MO-Reynolds MO-
411 AM CDT Mon Aug 21 2017

This hazardous weather outlook is for portions of eastern and
central Missouri as well as west central and southwest Illinois.

.DAY ONE...Today and Tonight

Isolated strong to severe thunderstorms are possible overnight
tonight, mainly for portions of northeast Missouri and west-
central Illinois. Damaging winds and large hail are the primary
threats.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Isolated strong to severe thunderstorms are once again possible on
Tuesday for portions of southeast Missouri and southwest Illinois.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late tonight.

$$

Gosselin

Hazardous Weather Outlook
National Weather Service Des Moines IA
403 AM CDT Mon Aug 21 2017

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-220915-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
403 AM CDT Mon Aug 21 2017

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...Today and tonight

Periods of thunderstorms will occur today and tonight. There is a
marginal risk for hail and strong wind with the storms this
morning, along with heavy rainfall that could lead to localized
flooding.

There is a slight risk for severe storms late this afternoon and
tonight. All modes of severe weather is possible along with heavy
rainfall which could lead to localized flooding. Very large hail
is possible across much of central Iowa especially north of
Interstate 80 and west of Interstate 35. Damaging wind and a few
tornadoes are possible across all of central Iowa.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening.

$$

FAB

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
315 AM CDT Mon Aug 21 2017

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-220815-
Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton-
Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton-
Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis-
Cooper-Bates-Henry-
315 AM CDT Mon Aug 21 2017

This hazardous weather outlook is for northwest...north central and
west central Missouri...as well as extreme eastern Kansas.

.DAY ONE...Today and Tonight

 Multiple rounds of thunderstorms are possible this afternoon and
 this evening, some which could become strong to severe. Strong
 winds, hail and perhaps even an isolated tornado are possible with
 the afternoon round especially along and north of Highway 36, and
 strong winds are possible with the late evening-overnight round
 throughout the outlook area.

 In addition to the severe threat, flooding will be a concern this
 evening and tonight throughout the outlook area. Several inches of
 rain are possible, and may fall very rapidly in stronger storms.

 More detailed information can be accessed at...
 https://www.weather.gov/eax/hwo

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

 No hazardous weather is expected at this time.

 More detailed information can be accessed at...
 https://www.weather.gov/eax/hwo

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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