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Iowa, Boone

Severe Thunderstorm Warning

Statement as of 9:45 PM CDT on July 20, 2017

Expires 11:15 PM EDT on July 20, 2017


... The Severe Thunderstorm Warning for southeastern Greene...
southwestern Boone and northeastern Dallas counties has expired...

the storms which prompted the warning have moved out of the area.
Therefore the warning has been allowed to expire. However gusty
winds and heavy rain are still possible with these thunderstorms.

Lat... Lon 4193 9382 4169 9381 4164 9381 4168 9415
      4191 9417
time... Mot... loc 0245z 269deg 20kt 4191 9385 4172 9385


Mf


944 PM CDT Thu Jul 20 2017

... A Severe Thunderstorm Warning remains in effect until 1015 PM CDT
for northern Polk... southwestern story and southeastern Boone
counties...

At 943 PM CDT, severe thunderstorms were located along a line
extending from Iowa State Center to Saylorville, moving east at 40
mph.

Hazard... 60 mph wind gusts.

Source... radar indicated. In addition... several reports of tree
         branches downed have been reported with these storms.

Impact... expect damage to roofs, siding, and trees.

Locations impacted include...
Ames, Ankeny, Urbandale, Johnston, Altoona, Grimes, Nevada,
Bondurant, Polk City, Huxley, Saylorville, Madrid, Mitchellville,
Slater, Granger, Saylorville Lake, Big Creek Lake, adventureland
amusement park, Iowa State Center and prairie Meadows.

This includes the following highways...
Interstate 35 between mile markers 88 and 113.
Interstate 80 between mile markers 141 and 149.

Precautionary/preparedness actions...

Prepare immediately damaging winds. People outside should move to a
shelter, inside a strong building and away from windows.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.


Lat... Lon 4165 9381 4186 9382 4186 9384 4196 9385
      4208 9336 4166 9335
time... Mot... loc 0243z 262deg 34kt 4200 9364 4168 9360

Hail... <.75in
wind... 60mph


Mf


Heat Advisory

Statement as of 8:35 PM CDT on July 20, 2017

Expires 9:00 PM EDT on July 22, 2017


... Heat advisory remains in effect until 8 PM CDT Saturday...

* temperature... high temperatures in the 90s and dew points in
the upper 60s to mid 70s will create heat index values of 100
to 105 degrees each afternoon through Saturday. In addition,
overnight low temperatures will be around 75 degrees.

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

Precautionary/preparedness actions...

A heat advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids, stay in an air-conditioned
room, stay out of the sun, and check up on relatives and
neighbors.

Take extra precautions, if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water.



Ansorge



Special Weather Statement

Statement as of 8:50 PM CDT on July 20, 2017

Expires 10:45 PM EDT on July 20, 2017


... Strong thunderstorms with gusty winds this evening...

At 849 PM CDT, Doppler radar was tracking a strong thunderstorm near
lake Panorama, or 9 miles northeast of Guthrie Center, moving east at
35 mph.

Half inch hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Urbandale, Clive, Waukee, Grimes, Perry, Madrid, Dallas Center,
Granger, Panora, Woodward, Lake Panorama, Minburn, Bagley, Rippey,
Yale, Jamaica, Dawson, Bouton, Luther and Berkley.

Precautionary/preparedness actions...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.


Lat... Lon 4198 9383 4161 9381 4171 9450 4189 9450
time... Mot... loc 0149z 271deg 31kt 4180 9440


Mf

Weather Severe Map
Alabama - Heat Advisory
Alaska - Areal Flood Advisory , Special Statement
Arizona - Flash Flood Warning , Areal Flood Advisory , Record Report
Arkansas - Heat Advisory
California - Areal Flood Advisory , Excessive Heat Watch , Air Quality Alert , Beach Hazard Statement
Colorado - Flash Flood Warning , Flash Flood Watch , Public Information Statement , Public Information Statement
Connecticut - Air Quality Alert , Public Information Statement
Delaware - Excessive Heat Warning , Air Quality Alert
District of Columbia - Heat Advisory , Air Quality Alert
Florida - Areal Flood Advisory
Georgia - Air Quality Alert
Hawaii - High Surf Advisory , Special Statement , Record Report
Idaho - Severe Thunderstorm Warning , Fire Weather Warning
Illinois - Severe Thunderstorm Warning , Flood Warning , Flash Flood Watch, Flood Advisory , Flash Flood Watch , Flood Advisory, Flash Flood Watch , Heat Advisory , Excessive Heat Warning , Public Information Statement
Indiana - Flood Warning , Heat Advisory , Air Quality Alert
Iowa - Severe Thunderstorm Warning , Flash Flood Warning , Flash Flood Watch , Excessive Heat Warning , Heat Advisory , Record Report , Public Information Statement
Kansas - Heat Advisory , Excessive Heat Warning , Public Information Statement
Kentucky - Heat Advisory , Special Statement , Air Quality Alert
Louisiana - Heat Advisory
Maine - Beach Hazard Statement
Maryland - Heat Advisory , Air Quality Alert
Massachusetts - Dense Fog Advisory , Public Information Statement
Michigan - Air Quality Alert
Minnesota - Flash Flood Watch , Heat Advisory , Public Information Statement
Mississippi - Heat Advisory
Missouri - Excessive Heat Warning , Heat Advisory , Public Information Statement
Montana - Severe Thunderstorm Watch , Lake Wind Advisory , Fire Weather Warning , Public Information Statement
Nebraska - Excessive Heat Warning , Heat Advisory , Record Report
Nevada - Areal Flood Advisory , Special Statement
New Jersey - Excessive Heat Warning , Heat Advisory , Air Quality Alert
New Mexico - Areal Flood Advisory , Special Statement
New York - Heat Advisory , Air Quality Alert , Public Information Statement , Public Information Statement
North Carolina - Heat Advisory , Air Quality Alert , Beach Hazard Statement
North Dakota - Severe Thunderstorm Watch , Special Statement , Public Information Statement , Public Information Statement
Ohio - Heat Advisory
Oklahoma - Heat Advisory
Pennsylvania - Excessive Heat Warning , Air Quality Alert
Rhode Island - Air Quality Alert , Public Information Statement
South Dakota - Severe Thunderstorm Watch , Severe Thunderstorm Warning , Heat Advisory , Special Statement
Tennessee - Heat Advisory , Special Statement , Air Quality Alert , Public Information Statement
Texas - Flood Warning , Areal Flood Advisory , Heat Advisory
Utah - Flash Flood Watch , Special Statement , Public Information Statement
Virginia - Heat Advisory , Air Quality Alert
West Virginia - Heat Advisory
Wisconsin - Flood Warning, Areal Flood Warning , Flood Warning , Areal Flood Warning , Flash Flood Watch , Public Information Statement
Wyoming - Severe Thunderstorm Warning , Public Information Statement

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