1000 PM CDT FRI JUN 1 2018 SEVERE THUNDERSTORM WATCH 148 IS IN EFFECT UNTIL 400 AM CDT FOR THE FOLLOWING LOCATIONS IOWA COUNTIES INCLUDED ARE:
BUENA VISTA CHEROKEE HARRISON IDA MILLS MONONA PLYMOUTH POTTAWATTAMIE SHELBY WOODBURY
Primary threats include… Scattered damaging winds and isolated significant gusts to 75 mph likely Scattered large hail likely with isolated very large hail events to 2 inches in diameter possible A tornado or two possible.
A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes.
The Iowa Department of Natural Resources has issued an Air Quality Alert for all of Iowa. Ozone levels near EPA health standards are expected to persist in these areas until 7 pm today.
The DNR recommends that individuals with respiratory or heart disease, the elderly, and children limit prolonged outdoor exertion until air quality conditions improve
Counties: Monona-Harrison-Shelby-Pottawattamie-Cass-Mills-Montgomery-Adams-Fremont-Page-Taylor–
1032 AM CDT Fri Jun 1 2018
The Iowa Department of Natural Resources has issued an Air Quality Alert for Adams, Cass, Fremont, Harrison, Mills, Monona, Montgomery, Page, Pottawattamie, Shelby and Taylor counties.
Ozone levels near EPA health standards are expected to persist in these areas until 7 pm today.
The DNR recommends that individuals with respiratory or heart disease, the elderly, and children limit prolonged outdoor exertion until air quality conditions improve.
Iowans are turning the calendar to June after sweating through possibly the hottest May in the state’s history. National Weather Service Meteorologist Craig Cogill says the warm temperatures last month followed Iowa’s coldest-ever April on record. “What a switch we had from April, someone turned up the thermostat,” Cogill said. “We saw (temperatures) well above normal across the entire state, especially over the second half of the month when readings were 10 to 20 degrees above normal.”
Highs climbed above 100 in some locations over the Memorial Day weekend. In Atlantic, our average High for the month was 81.3 (8.2 degrees above normal). The average Low was 55.2 (6.1 degrees warmer than normal). Rainfall amounted to 4.88 inches in May, which was more than one-half inch (.56″) above normal. The hottest temps (100 degrees on May 26th and 27th, and 97 degrees on the 28th), were all record setters. Two, 123-year old record High temps fell over the holiday weekend.
In Iowa’s capital city, the temperature last Saturday reached 96. That broke Des Moines’ previous record for the date – 93 – set in 1985. In addition to unusual heat, many areas of Iowa were soaked by heavy rains in May. Sections of southeast Iowa, meanwhile, remained mostly dry. “We did see precipitation remain below normal down around Ottumwa, Bloomfield – locations that have seen dry conditions over the last two years or so,” Cogill said. “There are concerns about drought developing or increasing in those locations, especially given the warmth that we saw during (May).”
High temperatures are expected in the 90s across much of Iowa again today (Friday). The anticipated conditions are much different than they were on this date 129 years ago. On June 1, 1889, unseasonably cold weather settled across Iowa. In Des Moines, a low of 37 was reported, which remains the all-time June record for the state’s largest city.
(Radio Iowa/KJAN weather data)
Today: Partly cloudy. High 93. SE @ 10-15.
Tonight: P/Cldy to Cldy w/scattered shwrs & tstrms, especially toward morning. Low 70. SE @ 5-10.
Tomorrow: Showers & thunderstorms, mainly in the morning. High 80. NW @ 10-15.
Sunday: P/Cldy. High 82.
Monday: P/Cldy. High 84.
Yesterday’s High in Atlantic was 93. Our Low this morning was 60. Last year on this date our High was 83 and the Low was 52. The record High in Atlantic on this date was 99 in 1934. The Record Low was 36, in 1956.
Today: Partly cloudy. High around 90. W @ 10-15.
Tonight: Fair to P/Cldy. Low 62.
Tomorrow: P/Cldy. High 92. SE @ 10-15.
Saturday: Mostly cloudy w/scattered showers & thunderstorms. High 82.
Sunday: P/Cldy. High 84.
Yesterday’s High in Atlantic was 83. Our Low this morning was 65. Last year on this date our High was 78 and the Low was 46. The record High in Atlantic on this date was 101 in 1934. The Record Low was 31, in 1897.
Today: Partly cloudy to cloudy with scattered morning and afternoon showers & thunderstorms. High 88. SE-W @ 10-15.
Tonight: Showers ending. Becoming P/Cldy. Low 60.
Tomorrow: P/Cldy. High near 90. W @ 10-15.
Friday: P/Cldy. High 92.
Saturday: Variably cloudy w/scatt. showers. High 83.
Yesterday’s High in Atlantic was 92. We received .6” of rain. Our Low this morning was 65. Last year on this date our High was 78 and the Low was 43. The record High in Atlantic on this date was 105 in 1934. The Record Low was 33, in 1930.
Cass County (4:52-p.m. report) – Barn blown down at 68475 Independence Road, about 1 mile south of Wiota (Beth McDermott farm). No injuries reported. (Timing approximate)
Severe weather and straight line winds in the Shelby area caused a large power outage in the area, Tuesday evening. 5 Nishnabotna REC power poles near Shelby were snapped off causing the outage.
Crawford County: 3:50-p.m. Nickel size hail 5 miles w/sw of Dow City.
Dallas County: 6:24-p.m. – 2 foot diameter tree fell on I Avenue, 4 miles N. of Earlham
Montgomery County: approximately 6:25-p.m. Emergency Management reported torrential rain had caused street flooding in parts of Red Oak, near the YMCA.; Nickel sized hail near Henderson at around 5:40-p.m., and 2.15″ of rain fell.
Pottawattamie County: Several small tree limbs reported down near McClelland at around 4:20-p.m.; Emergency Management reported 5th wheel trailer overturned near Shelby. 30″ diameter trees blown over and power poles snapped. (4:28-p.m.); Winds of up to 60mph and dime size hail were reported w/sw of Neola at around 3:55-p.m.
Nickel size hail fell near Panama at around 3:24-p.m.; 64 mph winds recorded south of Harlan at 3:35-p.m.
Tree fell on power line near Sidney in Fremont County (4:30-p.m.)
Power lines were down near Stanton in Montgomery County (4:50-p.m.)
The experts say our region’s weather patterns will likely be changing for the warmer and wetter in the seasons ahead, but how much they’ll change is still anybody’s guess. Meteorologist Dennis Todey, director of the U-S-D-A’s Midwest Climate Hub — based in Ames, explains: “La Nina is no longer, it’s officially done, so now we are in between phases, which we jokingly call La Nada,” Todey says. “We’ll start watching for how quickly we’ll transition if there are any influences that look El Nino-like as we look towards the fall and winter.”
La Nina patterns often bring cooler temperatures along with more storms in some areas and droughts elsewhere. El Nino patterns typically do the opposite. Todey says the region’s outlook for the month ahead will likely include more rain than normal. “June has wetter chances to the east with decreasing coverage in the summer and we’ll have to keep our eye on that,” Todey says. “Because there’s no specific drying or showing in the outlooks, we’ll need to monitor for changes because convective season precipitation is a very difficult thing to assess.”
A few months ago, there was a lot of grumbling about the long cold winter that stretched well into spring. Todey says there may soon be a complete reversal, with prolonged higher temperatures in the long-range forecast. “Warmer likely for the whole region in June but the edges of the area we deal with have a better chance of being warmer throughout the whole summer,” he says.
Todey says the development of an El Nino pattern later this year could have an impact on the weather from next winter into next spring.
(Radio Iowa)
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