Mills IA-Montgomery IA-
620 AM CDT FRI MAY 11 2018
…Significant Weather Advisory for MONTGOMERY AND EASTERN MILLS
COUNTIES UNTIL 700 AM CDT…
At 620 AM CDT, Doppler radar was tracking a strong thunderstorm over
Emerson, or 33 miles southwest of Atlantic, moving east at 50 mph.
Dime size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include…
Red Oak, Villisca, Stanton, Emerson, Elliott, Henderson, Hastings,
Grant, Coburg and Viking Lake State Park.
This includes the following highways…
Highway 34 in Iowa between mile markers 23 and 51.
Highway 59 in Iowa between mile markers 25 and 37.
Today: Partly cloudy to cloudy w/scattered showers & thunderstorms. High 72. E/SE @ 10-20.
Tonight: Mostly cloudy w/scatt. shwrs & tstrms. Low 55. E @ 5.
Tomorrow: P/Cldy to Cldy w/scatt. shwrs & tstrms. High 67. E @ 10-20.
Sunday: P/Cldy to Cldy w/scatt. shwrs. High 73.
Monday: P/Cldy w/isolated shwrs. High 78.
Yesterday’s High in Atlantic was 78. Our Low was 49. We received .18″ of rain from 5-a.m. today until 7-a.m. (the 24-hour reset time), at KJAN. Last year on this date our High was 73 and the Low was 41. The record High in Atlantic on this date was 95 in 2000. The Record Low was 27, in 1891, 1946 & 1981.
The Shelby County Emergency Management Agency reports the Local Fire Danger index will remain Moderate, through Monday. Officials say with the incoming rain, they expect to discontinue the Spring Fire Danger posting next week, due to increased green up, and more moisture predicted.
Today: Areas of fog this morning; Partly cloudy-to-cloudy w/afternoon showers possible. High 78. SE @ 10-20.
Tonight: Mo. cldy w/scattered showers & thunderstorms. Low 58. SE @ 5-10.
Tomorrow: P/Cldy to Cldy w/morning showers. High 76. SE @ 10-20.
Saturday: P/Cldy to Cldy w/scatt. shwrs & tstrms. High 76.
Sunday: Mo. cldy w/showers. High 73.
Yesterday’s High in Atlantic was 81. Our Low this morning ( as of 5:30-a.m) was 49. Last year on this date our High was 71 and the Low was 52. The record High in Atlantic on this date was 97 in 2011. The Record Low was 26, in 1966.
While the Mississippi River is rising and starting to flood along Iowa’s eastern border, flooding is not a big worry on the state’s west side. Heavy snows this winter — and spring — are forcing the U-S Army Corps of Engineers to increase flows into the Missouri River, now that the snow is melting. Corps hydraulic engineer Nicole Shorney says they expect runoff much higher than usual.
“April runoff was 182% of average above Sioux City,” Shorney says. “Runoff was above average partly due to the heavy Plains snowpack in Montana melting. Mountain snowpack accumulation has peaked in both reaches.” Corps engineer Joel Knofczynski says they still have plenty of storage space in the reservoir system to handle the runoff.
“Reservoir system storage is currently 60.9 million acre feet or 4.8 million acre feet into the 16.3 million acre feet of available flood storage,” Knofczynski says. He notes they expect to ramp up outflows in the next couple of weeks. The average release from Gavins Point Dam during April was around 34-thousand cubic feet per second.
“Due to the higher-than-average runoff being forecast in the Missouri River basin above Sioux City, the service level has been increased 15,000 cubic feet per second above full service to facilitate the evacuation of stored floodwaters. As downstream flows recede, Gavins Point releases will be increased to about 42,000 cfps by around mid-May.” Even with the increased releases, Corps officials say river levels below Gavins Point Dam should stay well below flood stage.
(Radio Iowa)
Today: Partly cloudy. High 79. NW @ 10-20mph.
Tonight: Mostly clear. Low 50.
Tomorrow: P/Cldy to Cldy w/scatt. afternoon shwrs & tstrms. High 78. SE @10-20.
Friday: Variably cloudy w/scatt. shwrs & tstrms. High 80.
Saturday: Mo. cldy w/shwrs & tstrms. High 74.
Yesterday’s High in Atlantic was 84. Our Low this morning was 55. Last year on this date our High was 82 and the Low was 56. The record High in Atlantic on this date was 96 in 1895. The Record Low was 24, in 1980.
Today: Increasing cloudiness w/ scattered showers & thunderstorms. High 78. SE @ 10-20.
Tonight: Mostly cloudy w/scattered showers & tstrms. Low 59. SE-NW @ 5-10.
Tomorrow: Mo. Cldy w/shwrs early; Becoming P/Cldy. High 76. NW @ 10-20.
Thursday: Scattered shwrs & tstrms during the afternoon. High 78.
Friday: Variably cloudy w/scatt. Shwrs & tstrms. High near 80.
Yesterday’s High in Atlantic was 80. Our Low 44. Last year on this date our High was 89 and the Low was 43. The record High in Atlantic on this date was 95 in 1895. The Record Low was 25, in 1980.
The Shelby County Emergency Management Agency reports the grassland/field fire Danger Index will be in the “Moderate” category, this week. Persons wanting to conduct an open burn on their property should pay attention to the weather conditions (Including wind direction), and notify their local fire chief of your intentions. The next update on the danger index will be Thursday morning.
Today: Mostly sunny. High 82. SE @ 10.
Tonight: Partly cloudy. Low 54. SE @ 5-10.
Tomorrow: Mo. Cldy w/scattered showers & tstrms. High 76. SE @ 10-20.
Wednesday: Shwrs ending in the morning; P/Cldy. High 78.
Thursday: P/Cldy to Cldy w/scatt. shwrs. High 78.
Yesterday’s High in Atlantic was 82. Our Low this morning was 42. Last year on this date our High was 81 and the Low was 43. The record High in Atlantic on this date was 95 in 1966. The Record Low was 24, in 1931.
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