Hazardous Weather Outlook
Issued by NWS Des Moines, IA

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HWODMX

Hazardous Weather Outlook
National Weather Service Des Moines IA
205 PM CDT Fri Jul 21 2017

IAZ027-028-221915-
Butler-Bremer-
205 PM CDT Fri Jul 21 2017

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...This afternoon and tonight

Thunderstorms will redevelop this afternoon and evening. Some of
the storms may be severe with damaging thunderstorm winds and
large hail. A isolated tornado may also occur with thunderstorms
later this afternoon through tonight. Locally heavy rainfall may
lead to urban street flooding and rises on small streams and
creeks with the potential for flash flooding.

A Flash Flood Watch has been issued for the area through Saturday
morning.  Please refer to the National Weather Service website at
weather.gov/desmoines for further details.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Additional thunderstorms are possible by late Wednesday and
Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed later this afternoon and
evening.

$$

IAZ057>062-070>075-081>086-092>097-221915-
Audubon-Guthrie-Dallas-Polk-Jasper-Poweshiek-Cass-Adair-Madison-
Warren-Marion-Mahaska-Adams-Union-Clarke-Lucas-Monroe-Wapello-
Taylor-Ringgold-Decatur-Wayne-Appanoose-Davis-
205 PM CDT Fri Jul 21 2017

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...This afternoon and tonight

An Excessive Heat Warning is in effect for the area through
Saturday. Please refer to the National Weather Service website at
weather.gov/desmoines for further details.

Thunderstorms will be possible this afternoon and this evening. A
few of the storms may be severe with large hail and damaging thunderstorm
winds the main threats. A few tornados may also occur with thunderstorms
later this afternoon through tonight and mainly along and north of
Interstate 80.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

An Excessive Heat Warning remains in effect for the area through
Saturday. Please refer to the National Weather Service website at
weather.gov/desmoines for further details.

A few thunderstorms are possible Saturday mainly east of I35,
then again around Wednesday night. A few severe storms may be
possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed later this afternoon and
evening.

$$

IAZ023-024-033>037-044>050-221915-
Pocahontas-Humboldt-Sac-Calhoun-Webster-Hamilton-Hardin-Crawford-
Carroll-Greene-Boone-Story-Marshall-Tama-
205 PM CDT Fri Jul 21 2017

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...This afternoon and tonight

A Heat Advisory is in effect for the area through Saturday.
Please refer to the National Weather Service website at
weather.gov/desmoines for further details.

Scattered thunderstorms will be possible late today and this
evening. A few of the storms may be severe with large hail and
damaging thunderstorm winds the main threats. A few tornados may
also occur with thunderstorms later this afternoon through this
evening.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

A Heat Advisory is in effect for the area through Saturday.
Please refer to the National Weather Service website at
weather.gov/desmoines for further details.

Additional thunderstorms are possible again by late Wednesday and
Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon or evening.

$$

IAZ004>007-015>017-025-026-038-039-221915-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Wright-Franklin-Grundy-Black Hawk-
205 PM CDT Fri Jul 21 2017

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...This afternoon and tonight

Thunderstorms will be ongoing through the morning hours and again
move through the region later this afternoon through tonight. Some
of the storms may be severe with damaging thunderstorm winds and
large hail this afternoon and tonight. A isolated tornado may also
occur with thunderstorms later this afternoon through this evening.
Locally heavy rainfall may lead to urban street flooding and
rises on small streams and creeks.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Additional thunderstorms are possible again by late Wednesday and
Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening.

$$

REV



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