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Hazardous Weather Outlook

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

IAZ057>062-070>075-081>086-092>097-222215-
Audubon-Guthrie-Dallas-Polk-Jasper-Poweshiek-Cass-Adair-Madison-
Warren-Marion-Mahaska-Adams-Union-Clarke-Lucas-Monroe-Wapello-
Taylor-Ringgold-Decatur-Wayne-Appanoose-Davis-
515 PM CDT Fri Jul 21 2017

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...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 into the evening hours. A few of
the storms may be severe mainly east of Interstate 35 and north
of Highway 34 with large hail and damaging thunderstorm winds the
main threats. A few tornados may also occur with thunderstorms
along and north of Interstate 80.

Locally heavy rainfall may lead to urban street flooding and
rises on small streams and creeks with some of the stronger
storms.

.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 this evening.

$$



Excessive Heat Warning

URGENT - WEATHER MESSAGE
National Weather Service Des Moines IA
909 PM CDT Fri Jul 21 2017

...EXCESSIVE HEAT WILL PERSIST THROUGH SATURDAY...

.Excessive heat conditions will persist a final day across
central to southern Iowa with heat index values nearing 110
degrees.

IAZ057>062-070>075-081>086-092>097-221015-
/O.CON.KDMX.EH.W.0001.000000T0000Z-170723T0100Z/
Audubon-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 Audubon, Exira, 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
909 PM CDT Fri Jul 21 2017

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT
SATURDAY...

* TEMPERATURE...Conditions tonight will remain warm and humid with
  lows in the 75 to 80 degree range. For Saturday afternoon,
  temperatures will be in the low to mid 90s and apparent
  temperatures will be in the 100 to 110 degree range.

* IMPACTS...Prolonged exposure to heat and humidity may lead to
  heat-related illness if precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive Heat Warning means that a prolonged period of
dangerously hot temperatures will occur. The combination of hot
temperatures and high humidity will combine to create a DANGEROUS
SITUATION in which heat illnesses are likely. Drink plenty of
fluids, stay in an air-conditioned room, stay out of the sun, and
check up on relatives and neighbors.

Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.

&&

$$



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: May 16, 2007
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