Montgomery storm history

Heavy rain for the second consecutive night caused flash flooding along Red Oak Creek in Red Oak as the creek backed up because of high flows on the East Nishnabotna River. Authorities attempted to evacuate nearly 1,600 people, beginning around 300 am local time, although not eve…

Personal weather station measured wind gust of 61 mph near Emerson, IA and 58 mph near Villisca, IA.

Personal weather station measured wind gust of 58 mph near Villisca, IA.

Personal weather station measured wind gust of 61 mph in Villisca, IA.

Personal weather station measured wind gust of 63 mph near Villisca, IA and 58 mph near Emerson, IA.

KRDK AWOS measured heat index up to 114 degrees. Personal weather stations and mesonets measured heat index of 115 and 116 degrees.

KRDK AWOS measured heat index up to 117 degrees with a minimum heat index of 72 degrees through the period. Personal weather station measured heat index of 111, 116 and 120 degrees.

Public report of a measured wind gust of 61 mph.

Personal weather station measured wind gust of 58 mph. The wind damage occurred on the north side of a small thunderstorm complex moving through the area, where evaporative cooling of anvil precipitation likely bolstered downdraft strength.

KRDK AWOS measured heat index up to 108 degrees with a minimum heat index of 78 degrees through the period. Personal weather station measured heat index of 111, 112 and 113 degrees.

Personal weather station measured gust of 60 mph and 58 mph.

Personal weather station measured wind gust of 64 mph.

General snowfall amounts of 2 to 4 inches. KRDK AWOS reported 1/4 to 1/2 mile visibility from 20:35 CST until an unknown time due to data loss. Surrounding conditions supporting blizzard criteria. Wind gusts up to 51 mph.

Personal weather station measured 51 mph wind gust. Surrounding conditions support High Wind Warning.

Wind chill got as low as -31 in the county.

Wind chill got as low as -34 in the county.

Although no snowfall reports were received in the county, 6 of snowfall was estimated from public reports in surrounding counties. The heaviest snowfall was estimated around the southeastern edge of the county.

Though no direct measurements were made in the county of severe level wind gusts, observations from surrounding counties support the high likelihood of wind gusts up to 58 mph occurring the afternoon of the 19th.

The Red Oak AWOS recorded two consecutive afternoons of excessive heat. The max heat index measured both days was 116 degrees.

A 59 miles per hour wind gust was measured on a personal weather station.

A combination of hot temperatures and high dew points brought a brief period of excessive heat during the afternoon hours. Heat indices climbed as high as 110 degrees for portions of the county.

A combination of hot temperatures and high dew points brought excessive heat during the afternoon hours. Heat indices climbed as high as 114 degrees for portions of the county.

Emergency management reported a funnel cloud.

A maximum heat index of 110 degrees was observed the afternoon of the 15th.

Emergency management reported quarter sized hail.

Emergency management reported quarter sized hail.

A max heat index of 110 was observed at the Red Oak AWOS.

A max heat index of 112 was observed at the Red Oak AWOS.

A 69 miles per hour wind gust was measured by a personal weather station.

A 58 miles per hour wind gust was measured on a personal weather station.

Emergency Management reported that the entire town of Elliot had lost power.

A 67 miles per hour wind gust was measured on a personal weather station.

Half-dollar sized hail was reported via mPING.

The Montgomery County Emergency Manager reported a funnel cloud developing to the southwest of Red Oak.

The office received a report from the Montgomery County EM of golf ball sized hail.

A personal weather station recorded a wind gust of 70 mph.

The office received a public report of quarter sized hail.

Wind chills across the county dropped under 35 degrees below zero every night during the duration of this event. The coldest wind chills were felt on January 13th and 14th. The coldest recorded wind chill in the county was minus 44 degrees measured in Emerson on the morning of th…

An estimated 4 to 6 inches of snow fell across the county during this winter storm. This included a 5.5 inch snow report out of Red Oak. Peak wind gusts across the county were estimated to be 30 to 40 miles per hour. This included an observed wind gust of 39 miles per hour at the…

Snow that fell during the day on the 8th largely struggled to accumulate on the ground and roadways. However, once temperatures dropped at night, driving conditions across the county rapidly deteriorated. An estimated 5 to 7 inches of snow fell across the county for this winter s…

Beginning on August 19, the high temperature at the Red Oak AWOS reached at least 93 each day through August 25 except for August 20. The highest observed temperature was 99 on August 24. The peak heat index reached at least 105 each day. The highest calculated heat index was a 1…

Read Oak AWOS had a heat index at or above 110 for approximately 6 hours. The peak heat index was 114.

Public reported trees blown down at the golf course.

A personal weather station measured a peak wind gust of 62 mph.