Winds gusting anywhere from 50-to 75 mph thundered through western and west central Iowa this morning, including here in Cass County. Numerous tree limbs, small and large were snapped and littered the downtown corridor in Atlantic, as well as many side streets and intersections. Cass County Emergency Management Coordinator Mike Kennon said the story was pretty much the same in Marne. As of 10:45-a.m., there was no report of injuries or significant property damage in the County.
A tree limb fell on a house near Adel at around 10:30-a.m. A large tree limb fell on a car in Denison. A semi jackknifed in the Crawford County community of Kiron. Significant tree damage was reported in Guthrie Center, Carroll, Templeton and many other locations as well. Some sites reported pea size hail. Power outages were common, as crews struggled to reconnect downed lines in the area. (Ric Hanson/photos)
10:00-a.m. Tree limb fell on a power line behind Walnut Hill Terrace Apts. in Atlantic, tree on fire; 10:02-a.m. – Power line down by Brown Auto Body in Atlantic. (Public report/Comm. Ctr.)
10:10-a.m. Large tree branch in the road between 4th and 5th Street in Atlantic, on Locust. (Public report)
9:36-a.m. Thunderstorm wind damage – Carroll County – large tree limb (6″ wide, 20-feet long) down. Several smaller limbs down as well. (Spotter report)
9:35-a.m. 64 mph wind gust at the Harlan Airport (AWOS)
9:33-a.m. 60 mph wind gust 3 miles east of Harlan (MESONET)
SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 425 NWS STORM PREDICTION CENTER NORMAN OK 855 AM CDT MON AUG 10 2020 SEVERE THUNDERSTORM WATCH 425 IS IN EFFECT UNTIL 200 PM CDT FOR THE FOLLOWING LOCATIONS . IOWA COUNTIES INCLUDED ARE ADAIR AUDUBON BLACK HAWK BOONE BREMER BUTLER CALHOUN CARROLL CASS CLARKE CRAWFORD DALLAS FRANKLIN GREENE GRUNDY GUTHRIE HAMILTON HARDIN HUMBOLDT JASPER LUCAS MADISON MAHASKA MARION MARSHALL MONROE POCAHONTAS POLK POWESHIEK SAC STORY TAMA WAPELLO WARREN WEBSTER WRIGHT
The Severe Storms Prediction Center in Norman, OK., has placed most of Iowa under risk for severe storms today. Atlantic, Carroll, Creston and Council Bluffs, have a slight risk of severe weather. Eastern Iowa (Dubuque, Waterloo, Cedar Rapids, Davenport and Burlington) are under a moderate risk. The greatest threat appears to be strong winds and hail for our area, and a slight risk for tornadoes in eastern Iowa. Stay tuned to KJAN for any severe weather developments. There are currently NO watches or warnings in effect for the immediate listening area, but a Severe Thunderstorm Watch is in effect until 11-a.m. today for northwest Iowa, including Monona County.
Mills-Fremont-Page Counties: .HEAT ADVISORY IN EFFECT FROM NOON TODAY UNTIL 8 PM.
Heat index values of 104 to 107 can be expected. Hot temperatures and high humidity may cause heat
illnesses to occur.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
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.
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 lightweight and loose fitting clothing when possible.
To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.
The latest State of Iowa Drought Monitor information shows parts of nine area counties are in an Extreme Drought, while parts of several adjacent counties are in a severe-to-moderate drought. 
The dry conditions cover nearly two-thirds of the State, with eastern Iowa the least affected, with what is being called “Abnormally dry” conditions. Counties in an Extreme Drought include all of Audubon and Carroll Counties, 90% of Greene and Guthrie Counties, and about one-third of Cass, Dallas, Shelby and Crawford Counties. Portions of Calhoun, Sac and Boone Counties are also impacted by an Extreme Drought.
In Counties affected by an Extreme Drought:
(More info. at https://droughtmonitor.unl.edu/CurrentMap/StateDroughtMonitor.aspx?IA)
(Radio Iowa/KJAN) – With low temperatures this (Monday) morning in the 40s and 50s across Iowa, it’s becoming clear that August could contain a radical shift from the extreme heat of July. State climatologist Justin Glisan says July wrapped up on Friday being much warmer and drier than normal. “Typically, we expect the temperature to be around 74 degrees, the average temperature for the state, and it’s looking like anywhere from two to three degrees above average, depending on where you are in the state,” Glisan says. “In terms of precipitation, the story of the month is drought conditions creeping into western Iowa.”
The month of July in Atlantic was warmer and drier than usual. Data for the month compiled at the KJAN Studios show Atlantic’s High for July was 88 degrees, or about 2 degrees warmer than normal. The average Low was nearly spot-on, 63. But the average rainfall, well, the bucket was very shallow last month. Normally we see around 4.62 inches. Last month, was only received 1.22 inches here at KJAN. During the month of August, Atlantic will typically see 3.88 inches of rain (but we know this year has been anything but “typical”). Our average High is normally 83 and the average Low is 72.
The latest surveys show more than half of Iowa is either in drought already or has very dry conditions, with the worst areas being in western Iowa and moving eastward. “Typically, we expect four-and-a-half inches of rainfall across the state and there are parts of the state that only received 25% of what they normally would get in July,” Glisan says. “There are pockets in west-central Iowa that are anywhere from three to four inches below average.” Coming out of the hotter, drier July, Glisan says August promises to be a cooler, wetter month. “That would be an absolute gift for our drought region. We have 22 counties that are currently in D-2 drought, which is severe drought,” Glisan says. “Cooler temperatures and more rainfall would help mitigate any kind of crop stress that we’re seeing out there but it would also help improve the drought conditions that we’re seeing.”
High temperatures for the week ahead are expected to be in the 70s and low 80s with mostly dry conditions in the forecast.
The Shelby County Emergency Management Agency reports the Tornado Siren warning system will be tested today, across Shelby County. The test begins at 12:30-p.m. No severe weather is expected today. Again, the Tornado Warning sirens will sound at 12:30-p.m., across Shelby County.
Well, if you hadn’t figured it out, the month of July in Atlantic was warmer and drier than usual. Data for the month compiled at the KJAN Studios show Atlantic’s High for July was 88 degrees, or about 2 degrees warmer than normal. The average Low was nearly spot-on, 63. But the average rainfall, well, the bucket was very shallow last month. Normally we see around 4.62 inches. Last month, was only received 1.22 inches here at KJAN.
During the month of August, Atlantic will typically see 3.88 inches of rain (but we know this year has been anything but “typical”). Our average High is normally 83 and the average Low is 72.
Today: Partly sunny, with a high near 77. North wind 6 to 14 mph, with gusts as high as 20 mph.
Tonight: Mostly clear, with a low around 52. North wind 5 to 11 mph.
Monday: Sunny, with a high near 72. North northeast wind 6 to 13 mph.
Monday Night: Mostly clear, with a low around 49. Northeast wind 5 to 7 mph becoming calm in the evening.
Tuesday: Sunny, with a high near 76. Calm wind becoming east around 5 mph.
Tuesday Night: Partly cloudy, with a low around 53.
Wednesday: Partly sunny, with a high near 78.
Saturday’s High in Atlantic was 84. We received .59″ rain at the KJAN Studios. Our Low was 54. Last year on this date the High in Atlantic was 83 and Low 60. The Record High on this date was 103 in 1930, and the Record Low was 42 in 1907.
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