A Flash Flood Watch that was in effect until 7-a.m. today for Harrison, Mills, Montgomery, Pottawattamie, and Shelby Counties, was cancelled as of 5-a.m. today. (8/12).
Special Weather Statement
National Weather Service Des Moines IA
507 AM CDT Mon Aug 12 2019
…Gusty Winds and Heavy Rainfall with Storms This Morning…
At 506 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Stuart to 11 miles west of Lakeside Casino to near Lamoni. Movement was east at 55 mph.
Winds of 40 to 50 mph will be possible with these storms.
Locations impacted include…
Des Moines, West Des Moines, Indianola, Norwalk, Winterset, Osceola,
Chariton, Leon, Corydon, Carlisle, Lamoni, Pleasantville, Earlham,
Melcher-Dallas, Sun Valley Lake, Avenue Of The Saints Event Center,
Lakeside Casino, Rathbun Lake, Milo and Hartford.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Torrential rainfall is also occurring with these storms, and may lead to localized flooding. Do not drive your vehicle through flooded roadways.
Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.
Adams IA-Adair IA-Ringgold IA-Union IA-Taylor IA-Cass IA-
408 AM CDT Mon Aug 12 2019
…Strong Thunderstorms Moving Across Southwest Iowa…
Doppler radar was tracking strong thunderstorms along a line extending from near Griswold to near Villisca to 6 miles south of Hopkins. Movement was east at 60 mph. Winds of 35 to 45 mph will be possible with these storms.
Locations impacted include…
Creston, Atlantic, Greenfield, Mount Ayr, Corning, Bedford, Stuart,
Lenox, Griswold, Sun Valley Lake, Green Valley Lake, Lake Icaria,
Anita, Afton, Fontanelle, Lewis, New Market, Orient, Clearfield and
Lorimor.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Torrential rainfall is also occurring with these storms, and may lead to localized flooding. Do not drive your vehicle through flooded roadways.
Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.
Today: Showers and thunderstorms likely, mainly before noon. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 82. East wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight: Mostly cloudy, with a low around 65. North wind 5 to 8 mph becoming calm in the evening.
Tuesday: Mostly sunny, with a high near 82. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.
Wednesday: Mostly sunny, with a high near 76.
Thursday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Sunday’s High in Atlantic was 84. Our Low this morning, 69. We received 2.6-inches of rain from 7-a.m. Sunday thru 7-a.m. today. Last year on this date, our High was 91 and the Low was 58. The All-time Record High in Atlantic on this date was 108 in 1936. The All-time Record Low was 42, in 2004.
304 AM CDT Mon Aug 12 2019
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE…Today and tonight
There is a risk for severe weather today, especially over the southern two-thirds of the state. The main threats will be strong wind gusts and locally heavy rainfall this morning. If additional storms develop later today, isolated tornadoes could be possible along with locally heavy rainfall.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Storm chances may return to the area later in the week with any threat of severe weather better assessed in the coming days.
.SPOTTER INFORMATION STATEMENT…
Spotter activation may be needed over the next day or so.
Special Weather Statement
National Weather Service Omaha/Valley Nebraska
621 AM CDT Sun Aug 11 2019
At 620 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 6 miles east of Garland to 4 miles northwest of
Peru. Movement was northeast at 35 mph.
Pea size hail and wind gusts up to 50 mph will be possible with these storms.
Locations impacted include…
Lincoln, Nebraska City, Plattsmouth, Waverly, Ashland, Syracuse,
Springfield, Louisville, Weeping Water, Bennet, Elmwood, Greenwood,
Palmyra, Murray, Cedar Creek, Unadilla, Avoca, Murdock, Talmage and
Union.
This includes the following highways…
Interstate 29 between mile markers 10 and 29.
Interstate 80 in Nebraska between mile markers 392 and 432.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
615 AM CDT Sun Aug 11 2019
At 610 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Arlington (NE) to near Avoca (IA). Movement was northeast at 20 mph.
Pea size hail and wind gusts up to 50 mph will be possible with these storms.
Locations impacted include…
Northern Omaha, northeastern Council Bluffs, Fremont, Blair, Harlan, Missouri Valley, Valley, Logan, Oakland, Avoca, Arlington, Underwood, Fort Calhoun, Walnut, Shelby, Minden, Kennard, Inglewood, Persia and Modale.
This includes the following highways…
Interstate 29 between mile markers 58 and 84.
Interstate 80 in Iowa between mile markers 11 and 48.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.
Todday: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 83. Calm wind becoming southwest around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight: Showers and thunderstorms, mainly after 3am. Low around 70. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 84. South wind 7 to 9 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. Northwest wind 3 to 8 mph.
Tuesday: Mostly sunny, with a high near 81.
Wednesday: Sunny, with a high near 77.
Saturday’s High in Atlantic was 88. Our Low 69. Last year on this date, the High in Atlantic was 88 and the Low was 56. The all-time record High in Atlantic on Aug. 11, was 104 in 1894, and the Record Low was 40 in 1902.
Skyscan Forecast Saturday, August 10, 2019 Dan Hicks
Today: Partly cloudy. A few isolated showers early and then widely scattered showers and thunderstorms this afternoon. S @ 10-15. High 86.
Tonight: Partly cloudy. A few widely scattered showers and thunderstorms. S @ 5-10. Low 67.
Sunday: Partly cloudy. A few widely scattered showers and thunderstorms. N @ 5-10. High 82.
Monday: Mostly cloudy. Showers and thunderstorms. High 85.
Tuesday: Partly cloudy. High 83.
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Today: Areas of fog this morning; Mostly sunny. High 82. N @ 10.
Tonight: Fair to P/Cldy. Low 60. Winds light & variable.
Saturday: P/Cldy w/shwrs & tstsorms possible, late. High 87.
Sunday: Mo. Cldy w/scattered thundershowers. High 82.
Monday: P/Cldy to Cldy w/scattered shwrs & tstrms. High 86.
Yesterday’s High in Atlantic was 86. Our Low this morning 58. Last year on this date our High was 93 and the Low was 61. The record High in Atlantic on this date was 111 in 1934. The Record Low was 44 in 1927.