5 products issued by NWS for: 2 Miles NW Dike IA
Hazardous Weather Outlook
National Weather Service Des Moines IA
344 AM CDT Tue May 21 2024

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-220845-
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-
344 AM CDT Tue May 21 2024

This Hazardous Weather Outlook is for portions of central Iowa.



Thunderstorms from overnight are expected to linger through the
morning with damaging winds and flash flooding the primary
threats. Additional storms are expected to develop during the
afternoon with tornadoes, damaging winds, flash flooding, and
large hail all possible. The worst of the storms will be primarily
after 3pm. Winds could gust over 40mph at times as storms exit.



Additional thunderstorm chances return at times Friday and
through the weekend. The severe weather potential for these days
will be better determined in the coming days.

.SPOTTER INFORMATION STATEMENT...

Spotters will likely be needed at times today.

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Flash Flood Warning
IAC023-069-075-083-197-211615-
/O.EXT.KDMX.FF.W.0003.000000T0000Z-240521T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Des Moines IA
912 AM CDT Tue May 21 2024

The National Weather Service in Des Moines has extended the

* Flash Flood Warning for...
Northern Grundy County in central Iowa...
Northern Hardin County in central Iowa...
Southern Butler County in north central Iowa...
Southern Franklin County in north central Iowa...
Southeastern Wright County in north central Iowa...

* Until 1115 AM CDT.

* At 912 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
5 and 6 inches of rain have fallen. Additional rainfall amounts of
1 to 2 inches are possible in the warned area. Flash flooding is
ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar and automated gauges.

IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Iowa Falls, Parkersburg, Ackley, Shell Rock, Dike, Aplington,
Alden, Wellsburg, Dows, New Hartford, Steamboat Rock, Stout,
Geneva, Buckeye, Bradford, Popejoy, Owasa, Ackley Municipal
Airport and Iowa Falls Municipal Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

For the latest river and stream observations and forecasts refer to
weather.gov/desmoines/water.



LAT...LON 4256 9353 4271 9352 4272 9255 4247 9255
4246 9254 4236 9323 4249 9350 4256 9350

FLASH FLOOD...RADAR AND GAUGE INDICATED

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Flash Flood Warning
IAC013-017-075-083-127-171-212000-
/O.NEW.KDMX.FF.W.0007.240521T1357Z-240521T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Des Moines IA
857 AM CDT Tue May 21 2024

The National Weather Service in Des Moines has issued a

* Flash Flood Warning for...
Grundy County in central Iowa...
Southeastern Hardin County in central Iowa...
Northern Marshall County in central Iowa...
Northern Tama County in central Iowa...
Black Hawk County in northeastern Iowa...
Southern Bremer County in northeastern Iowa...

* Until 300 PM CDT Tuesday.

* At 857 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is ongoing or
expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Waterloo, Cedar Falls, Waverly, Eldora, Grundy Center, Evansdale,
La Porte City, Hudson, Denver, Traer, Reinbeck, Dysart, Dike, Elk
Run Heights, Conrad, Uni-Dome And McLeod Center, Waterloo
Municipal Airport, Crossroads Mall, Gladbrook and Janesville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For the latest river and stream observations and forecasts refer to
weather.gov/desmoines/water.

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.



LAT...LON 4221 9323 4221 9327 4240 9326 4249 9258
4256 9257 4256 9255 4270 9255 4270 9208
4230 9206 4230 9230 4218 9230 4216 9323

FLASH FLOOD...RADAR INDICATED

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SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 275
NWS STORM PREDICTION CENTER NORMAN OK
615 AM CDT TUE MAY 21 2024

SEVERE THUNDERSTORM WATCH 275 IS IN EFFECT UNTIL 100 PM CDT
FOR THE FOLLOWING LOCATIONS

IAC001-003-007-009-011-013-015-019-025-027-029-031-039-047-049-
051-053-055-073-075-077-079-083-087-095-099-101-103-105-107-113-
117-121-123-125-127-135-153-157-159-161-169-171-173-175-177-179-
181-183-185-187-211800-
/O.NEW.KWNS.SV.A.0275.240521T1115Z-240521T1800Z/

IA
. IOWA COUNTIES INCLUDED ARE

ADAIR ADAMS APPANOOSE
AUDUBON BENTON BLACK HAWK
BOONE BUCHANAN CALHOUN
CARROLL CASS CEDAR
CLARKE CRAWFORD DALLAS
DAVIS DECATUR DELAWARE
GREENE GRUNDY GUTHRIE
HAMILTON HARDIN HENRY
IOWA JASPER JEFFERSON
JOHNSON JONES KEOKUK
LINN LUCAS MADISON
MAHASKA MARION MARSHALL
MONROE POLK POWESHIEK
RINGGOLD SAC STORY
TAMA TAYLOR UNION
VAN BUREN WAPELLO WARREN
WASHINGTON WAYNE WEBSTER

---

Flood Watch
National Weather Service Des Moines IA
420 AM CDT Tue May 21 2024

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-211730-
/O.CON.KDMX.FA.A.0003.000000T0000Z-240522T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
Including the cities of Northwood, Lake Mills, Waukee, Audubon,
Parkersburg, Garner, Grundy Center, Bayard, Panora, Tama,
Clarksville, Britt, Rolfe, Earlham, Kanawha, Adel, Dumont, Lake
City, Ackley, Eldora, Greenfield, Gladbrook, Belmond, Waterloo,
Newton, Sac City, Lake View, Fontanelle, Dike, Reinbeck, Pella,
Denison, Aplington, Carlisle, Clear Lake, Schaller, Carroll,
Shell Rock, Mason City, Norwalk, Exira, Early, Cedar Falls,
Laurens, Pocahontas, Humboldt, Manly, Knoxville, Grinnell,
Wellsburg, Wall Lake, Toledo, Stuart, Clarion, Rockwell City,
Fort Dodge, Atlantic, Webster City, Allison, Oskaloosa, Casey,
Iowa Falls, Indianola, Pomeroy, Jefferson, Gilmore City, Boone,
Traer, Emmetsburg, Des Moines, Odebolt, Waverly, Hampton, Eagle
Grove, Forest City, Algona, Greene, Adair, Guthrie Center,
Conrad, Winterset, Dysart, Ames, Manson, Marshalltown, Fonda,
Estherville, and Perry
420 AM CDT Tue May 21 2024



* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of central, north central, northeast, northwest,
south central, southwest, and west central Iowa, including the
following counties, in central Iowa, Boone, Dallas, Grundy,
Hamilton, Hardin, Jasper, Marshall, Polk, Poweshiek, Story, Tama
and Webster. In north central Iowa, Butler, Cerro Gordo, Franklin,
Hancock, Humboldt, Kossuth, Winnebago, Worth and Wright. In
northeast Iowa, Black Hawk and Bremer. In northwest Iowa, Emmet,
Palo Alto and Pocahontas. In south central Iowa, Madison, Mahaska,
Marion and Warren. In southwest Iowa, Adair and Cass. In west
central Iowa, Audubon, Calhoun, Carroll, Crawford, Greene, Guthrie
and Sac.

* WHEN...Through this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- 3 to 5 inches of rain have already fallen over portions of
northern and north central Iowa. Slow moving storms with
efficient rainfall rates will continue through the early
morning hours, and could impact the morning commute.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For the latest river and stream observations and forecasts refer to
weather.gov/desmoines/water.