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Hazardous Weather Outlook


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

$$

Hazardous Weather Outlook
National Weather Service Wichita KS
500 AM CDT Mon Aug 21 2017

KSZ032-033-047>053-067>072-082-083-091>096-098>100-221000-
Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Marion-Chase-
Reno-Harvey-Butler-Greenwood-Woodson-Allen-Kingman-Sedgwick-Harper-
Sumner-Cowley-Elk-Wilson-Neosho-Chautauqua-Montgomery-Labette-
500 AM CDT Mon Aug 21 2017

This hazardous weather outlook is for portions of Central Kansas,
South Central Kansas and Southeast Kansas.

.DAY ONE...Today and Tonight

Widely scattered thunderstorms are possible across mainly central
and south-central Kansas today. Thunderstorms will increase in
coverage tonight, especially across central Kansas. The main threats
will be very heavy rainfall rates and possible flooding, generally
for the area to the east of Interstate 135, and to the north of
Highway 54. Very isolated occurrences of downburst wind gusts of 50
to 60 mph will also be possible with any storms late this afternoon
into tonight.

Heat indices of around 100 degrees are expected this afternoon,
generally along and southeast of the Kansas Turnpike.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Lingering thunderstorms will be possible Tuesday, mainly in south-
central and southeastern Kansas. A few strong storms with locally
heavy rainfall will be possible.

A chance of thunderstorms will return to the forecast from late Friday
into the weekend. The probability for severe weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today or tonight.

&&

For a graphical version of this information, see our webpage at:
http://weather.gov/wichita/hwo/

$$

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 Omaha/Valley NE
416 AM CDT Mon Aug 21 2017

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-212330-
Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont-
Page-Knox-Cedar-Thurston-Antelope-Pierce-Wayne-Boone-Madison-
Stanton-Cuming-Burt-Platte-Colfax-Dodge-Washington-Butler-
Saunders-Douglas-Sarpy-Seward-Lancaster-Cass-Otoe-Saline-
Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson-
416 AM CDT Mon Aug 21 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
IOWA...WEST CENTRAL IOWA...EAST CENTRAL NEBRASKA...NORTHEAST
NEBRASKA AND SOUTHEAST NEBRASKA.

.DAY ONE...TODAY AND TONIGHT

River flooding will continue today along the Big Blue River and
Lincoln Creek, mainly in Butler, Seward and Saline counties. River
and stream levels will likely rise today across portions of
western Iowa in response to heavy rainfall overnight.

Thunderstorm chances will increase later this afternoon into
tonight along and ahead of a cold front moving through the area. A
few severe storms appear possible with a risk for damaging winds,
large hail and flooding rainfall.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

Some flooding remains possible along the Big Blue River into
Tuesday.

Thunderstorm chances return on Friday night and continue
for at least parts of the area through Sunday.

..SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon or evening.

$$

Hazardous Weather Outlook
National Weather Service Topeka KS
412 AM CDT Mon Aug 21 2017

KSZ008>012-020>024-026-034>040-054>056-058-059-220915-
Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley-
Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris-
Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson-
412 AM CDT Mon Aug 21 2017

This hazardous weather outlook is for east central...north
central and northeast Kansas.

.DAY ONE...Today and Tonight.

There is a chance for isolated to scattered thunderstorms this
morning across most of northeast and north central Kansas. There
is a risk for severe thunderstorms this afternoon and evening
across much of the area. The severe risk for large hail and strong
winds will mainly occur as thunderstorms develop during the
afternoon and evening. Storms are expected to evolve into a slow
moving line during the evening with the main risk transitioning to
very heavy rainfall. Because of this, a Flash Flood Watch has
been posted beginning this evening for northeast and east central
Kansas, or areas east of a line from Abilene to Marysville.

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

The Flash Flood Watch continues into the morning hours of Tuesday
as thunderstorms slowly exit the area to the southeast.

.SPOTTER INFORMATION STATEMENT...

Spotter activation should not be needed through tonight. Spotters
are encouraged to report rainfall amounts over one inch to the
National Weather Service in Topeka.

&&

More detailed information can be accessed at...
http://www.weather.gov/top/sitrep

$$

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 Springfield MO
310 AM CDT Mon Aug 21 2017

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-220815-
Bourbon-Crawford-Cherokee-Benton-Morgan-Miller-Maries-Vernon-
St. Clair-Hickory-Camden-Pulaski-Phelps-Barton-Cedar-Polk-Dallas-
Laclede-Texas-Dent-Jasper-Dade-Greene-Webster-Wright-Newton-
Lawrence-Christian-Douglas-Howell-Shannon-McDonald-Barry-Stone-
Taney-Ozark-Oregon-
310 AM CDT Mon Aug 21 2017

This Hazardous Weather Outlook is for portions of the Missouri
Ozarks and extreme southeast Kansas.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Elevated Lightning risk.
  Limited Excessive heat risk.

DISCUSSION...

Isolated to widely scattered showers and thunderstorms are
expected this afternoon which should be mainly after the peak of
the solar eclipse.

Heat index values may reach 100 to 104 across areas of southeast
Kansas into parts of southwest and west central Missouri.

More widespread thunderstorms will being to move into southeast
Kansas and central Missouri after midnight tonight towards sunrise
Tuesday morning.

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

Widespread showers and thunderstorms will be likely Tuesday into
Tuesday evening with the passage of a cold front. A few strong
storms will be possible with damaging wind gusts up to 60 mph and
hail up to the size of quarters possible. Locally heavy rainfall
may be possible which could lead to minor flooding.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be needed through tonight.

&&

More detailed information can be accessed at:
http://www.weather.gov/sgf/sitrep

This product in graphical format...along with other weather...
hydrological and climate information...at
http://www.weather.gov/sgf

$$

Griffin

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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