The National Weather Service said late Monday evening, there were not one, but two tornadoes that occurred between Guthrie Center and Panora, Sunday night. Officials say the strongest of the tornadoes formed south of Guthrie Center and quickly tracked northeast across Lake Panorama, where it briefly produced EF-2 damage.

A second tornado formed on the north end of Lake Panorama, and damaged a number of homes along the shore, before dissipating. A third tornado formed south of Dallas Center and tracked across farmland, damaging several out buildings. There were no injuries reported.

Track of the 1st tornado (NWS graphic)

The first tornado formed at around 9:43-p.m. Sunday, 4.5-miles south of Guthrie Center and tracked northeast for nearly 17 miles. The 100-yard wide twister strengthened as it reached Lake Panorama, packing winds of up to 115-miles per hour. It went across Lake Panorama and damaged a number of homes and trees before dissipating 3-miles northeast of Yale.

Tornado 2 track

The second, weaker tornado formed just before 10-p.m. Sunday, about 4-miles northwest of Panora and ended a little more a little than 3-miles northwest of town, or a distance of about nine-tenths of a mile. It was about 120-yards wide and had a peak wind speed of 100-miles per hour. It caused extensive tree, roof and dock damage.

Lake Panorama area damage

The third twister happened at around 10:20-p.m. 3.5-miles north-northwest of Dallas Center and ended 6-miles later, 4-miles northwest of Granger. It was 100-yards wide and packed winds of up to 85 miles per hour. The tornado caused damage primarily to farm outbuildings in the rural areas.

346 AM CDT TUE MAY 13 2014

EARLY THIS MORNING…MOSTLY CLOUDY. COLDER. NORTHWEST WIND AROUND 15 MPH WITH GUSTS TO AROUND 25 MPH.

TODAY…PARTLY SUNNY. BREEZY. HIGH IN THE LOWER 60S. NORTHWEST WIND 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.

TONIGHT…PARTLY CLOUDY. LOW IN THE UPPER 30S. NORTHWEST WIND 5 TO 10 MPH. GUSTS UP TO 25 MPH THROUGH MIDNIGHT.

WEDNESDAY…MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE AFTERNOON. A CHANCE OF LIGHT SHOWERS LATE IN THE AFTERNOON. HIGH IN THE MID 60S. NORTH WIND 5 TO 10 MPH. CHANCE OF SHOWERS 30 PERCENT.

WEDNESDAY NIGHT…PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS THROUGH MIDNIGHT. LOW AROUND 40. NORTH WIND 5 TO 10 MPH.

THURSDAY…PARTLY SUNNY WITH A CHANCE OF LIGHT SHOWERS AND ISOLATED THUNDERSTORMS. HIGH IN THE UPPER 50S. NORTH WIND 5 TO 15 MPH. CHANCE OF PRECIPITATION 30 PERCENT.

FRIDAY…MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGH IN THE UPPER 50S.

PANORA, Iowa (AP) — Preliminary data shows an EF-2 tornado touched down in central Iowa during severe weather that hit swaths of the state. The National Weather Service says a line of thunderstorms produced at least one tornado Sunday night that hit the community surrounding Lake Panorama in Panora. Officials are still surveying damage to determine if other tornadoes were recorded.

The tornado reached 115 mph and was first recorded south of Guthrie Center before it traveled more than 16 miles northeast. It went across Lake Panorama and dissipated near Yale. Officials in Lake Panorama say the tornado destroyed eight condominiums and damaged about a dozen other homes. No injuries were reported.

More severe weather was expected in Iowa later Monday, with thunderstorms and potential flash flooding.

DES MOINES, Iowa (AP) – Forecasters say much of central and eastern Iowa could be affected by another wave of severe weather moving across the state.  The National Weather Service says a system expected to cross central Iowa early Monday evening could cause large hail, damaging winds and tornadoes.

Meteorologist Kurt Kotenberg says the eastern third of the state is at greatest risk, especially parts of southeast Iowa. However, he says the storm shouldn’t be as powerful as the one that moved through Iowa on Sunday night. He says large hail is the primary concern.

Sunday’s storms damaged buildings near Panora.

The Freese-Notis weather forecast for the KJAN listening area and weather data for Atlantic.

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ADAIR IA-
532 AM CDT MON MAY 12 2014

…THE FLASH FLOOD WARNING FOR ADAIR COUNTY IS CANCELLED…

THE HEAVY RAIN HAS ENDED AND ANY FLOOD WATERS HAVE RECEDED.
THEREFORE…FLASH FLOODING NO LONGER IS EXPECTED TO POSE A THREAT TO
LIFE OR PROPERTY. HOWEVER…PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.

Damage assessment teams were scheduled to arrive in Guthrie and Dallas Counties this (Monday) morning, to try and determine whether extensive storm damage was caused by straight-line winds or a tornado.

Buildings were damaged by a storm that roared through the Lake Panorama area near Panora, in Guthrie County. Authorities say at least eight condominiums at the lake were damaged Sunday night, but no injuries were reported. One man who took shelter in a condo bathroom was found unharmed. If it’s determined a tornado resulted in the damage, the twister will be given a rating based on the Enhanced Fujita scale.

The severe thunderstorms that impacted western Iowa late Sunday evening and overnight, began Sunday afternoon in south-central Nebraska. They took about three-hours to move into the Omaha/Council Bluffs metro area, but during that time frame they brought several tornadoes, hail and heavy rain, and left thousands without power. Homes and businesses were damaged in at least four Nebraska towns. The storms also left nearly 17,000 Nebraska utility customers without electricity Sunday evening. By the time the initial storms reached Omaha, the storms still produced winds over 70 mph and heavy winds, with radar indicated but no official sightings of tornadoes.

The storms crossed into western Iowa by 7-p.m., resulted in the first warnings for severe weather in Pottawattamie and Mills Counties. As they spread across southwest and western Iowa, the storms left baseball-sized hail in Fremont County, and brought 60-mile per hour winds to an area just east of Marne. The storms also dumped rain ranging from just under 1.5-inches in Shenandoah to as much as 3.5-to 4-inches in the Avoca and Lewis areas.

The area last storm warning was for Flash Flooding in Adair County. It was issued today (Monday) at 12:30-a.m.

Here’s a list of the damage and storm reports in the chronological order they took place, as received by the NWS.:

11:05-p.m. Thunderstorm wind damage 2 miles nw of Panora: Outbuilding destroyed, roof thrown 40-yards.

10:38-p.m. 3-miles NE of Yale in Guthrie County: Large tree snapped in-half.

10:30-p.m. 2 miles s of Red Oak, golf ball-sized hail.

10:22-p.m. Rainfall in Atlantic since 7-a.m Sunday 1.6-inches. (24-hour total as of 7-am Monday was 2.18″.)

10:10-p.m. Thunderstorm wind damage in Panora: structural damage to a home at Lake Panorama & possible damage between Yale and Panora.

10:00-p.m. Half-dollar sized hail in Randolph (Fremont County)

9:55-p.m. T-storm wind damage 2 miles w/nw of Panora: 2 1/2′ diameter trees uprooted; dock destroyed; numerous trees down.; funnel cloud spotted 3 miles nw of Panora at the same time.

9:45-p.m.  Baseball-sized hail 2 miles west of Thurman in Fremont County

9:42-p.m. Golf ball-sized hail 2 miles west of Thurman

9:40-p.m. Quarter-sized hail 6 miles w/sw of Thurman.

9:26-p.m. Street flooding reported in Atlantic

8:58-p.m. 60-mph thunderstorm wind gust 1 mile w/nw of Marne in Cass County.

8:15-p.m.  4.10″ of rain reported by a trained weather service spotter in Griswold.

24-hour rainfall in Atlantic ending at 7-a.m today at the KJAN studios (A National Weather Service reporting station) amounted to 2.18-inches. 1 inch of rain has fallen since 10-p.m. Sunday. Other (Official and Unofficial reports):

4.0″ in Lewis; 3.64″ 3 miles south of Avoca; 3.5″ in Oakland; 3.48″ 3 miles s.w. of Castana (Monona County); 3.25″ in Glenwood; 2.96″ in Underwood; 2.89″ at Irwin & Massena; 2.7″ in Villisca; 2.6″ in Castana; 2.51″ in Mapleton (Monona County); 2.32″ in Red Oak; 2.3″ south of Atlantic & 1 mile south of Avoca; 2.29″ in Logan (Harrison County); 2 inches in Audubon and in Randolph; 1.75″ in Clarinda; 1.48″ in Shenandoah. A trained weather service spotter reported 4.15-inches of rain had fallen by 8:15-p.m. Sunday, 1 mile northwest of Griswold.

If you have rainfall amounts to report, submit them to KJAN at 1-800-283-5526, 243-3920 (in Atlantic), or by e-mail to kjannews@metc.net.   Please let us know where the measurement was taken (your location), the time of measurement and if it is a 24-hour total or weekend amount. Also, note any hail or severe storm damage that may have occurred. Thanks for your input!

331 AM CDT MON MAY 12 2014

A FLASH FLOOD WATCH is IN EFFECT UNTIL 7 AM CDT THIS MORNING; A FLASH FLOOD WARNING IS IN EFFECT UNTIL 6:30-A.M FOR ADAIR COUNTY.

EARLY THIS MORNING…NUMEROUS THUNDERSTORMS. SOME THUNDERSTORMS MAY BE SEVERE WITH DAMAGING WIND…LARGE HAIL AND HEAVY RAINFALL. EAST WIND 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF THUNDERSTORMS 70 PERCENT.

TODAY…CLOUDY…COOLER. SCATTERED THUNDERSTORMS THROUGH MID MORNING…THEN NUMEROUS THUNDERSTORMS IN THE LATE MORNING AND EARLY AFTERNOON. SCATTERED THUNDERSTORMS LATE IN THE AFTERNOON. HIGH IN THE UPPER 60S. SOUTHWEST WIND 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF THUNDERSTORMS 70 PERCENT.

TONIGHT…MOSTLY CLOUDY. ISOLATED THUNDERSTORMS THROUGH MIDNIGHT. BREEZY…COLDER. LOW IN THE LOWER 40S. NORTHWEST WIND 10 TO 20 MPH. CHANCE OF THUNDERSTORMS 20 PERCENT.

TUESDAY…PARTLY SUNNY. HIGH IN THE LOWER 60S. NORTHWEST WIND 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.

TUESDAY NIGHT...MOSTLY CLOUDY. LOW AROUND 40. NORTHWEST WIND 5 TO 10 MPH. GUSTS UP TO 20 MPH THROUGH MIDNIGHT.

WEDNESDAY…MOSTLY SUNNY. A 20 PERCENT CHANCE OF LIGHT SHOWERS IN THE AFTERNOON. HIGH IN THE LOWER 60S. NORTH WIND 5 TO 10 MPH.

THURSDAY…PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGH IN THE UPPER 50S.

337 AM CDT MON MAY 12 2014

A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR ADAIR COUNTY.

WHILE THUNDERSTORMS AND HEAVY RAINFALL HAVE MOVED OUT OF THE WARNED AREA…THE THREAT FOR LOCALIZED FLASH FLOODING STILL EXISTS. UP TO TWO INCHES OF RAIN FELL ACROSS THE COUNTY AND ADDITIONAL THUNDERSTORMS MAY TRACK ACROSS THE WARNED AREA THROUGH THE EARLY MORNING HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. TURN AROUND…DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES.