Non-thunderstorm wind gusts estimated to be 60 to 70 mph caused tree and structural damage across parts of Benton, Johnson, and Washington Counties during the afternoon of June 13.
Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS DVN wrote it up.
Non-thunderstorm wind gusts estimated to be 60 to 70 mph caused tree and structural damage across parts of Benton, Johnson, and Washington Counties during the afternoon of June 13.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Quad Cities, IA wrote its last area forecast discussion before the first event at Jun 13, 11:37 AM CST, 2 hours 53 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE QUAD CITIES IA IL 1237 PM CDT MON JUN 13 2011 .UPDATE... CENTRAL IA THUNDERSTORM COMPLEX IS HOLDING TOGETHER AND MOVING SOUTHEAST AROUND 37 KTS...AND QUICKLY TAKING AIM ON SE IA. LATEST RADAR TRENDS SHOW NEW DEVELOPMENT ON A WARM ADVECTION WING SE OF THE MAIN COMPLEX OVER S CENTRAL IA AND N CENTRAL AND NORTHEAST MO. AT THE NORTH END...THERE IS A WEAK MCV THAT CURRENT TRAJECTORY WOULD TRACK IT ALONG A PATH JUST SOUTH OF AWG TO GBG EARLY THIS AFTERNOON. HAVE UPDATED FOR LIKELY POPS SOUTH OF THIS LINE...WHILE ACTIVITY THE NORTH TOWARD I-80 SHOULD BE MORE LIMITED. WILL CONTINUE TO MONITOR A WAKE LOW AND STRONG EASTERLY WINDS CURRENTLY OBSERVED BEHIND THE COMPLEX IN CENTRAL IA...WHILE W-NW WINDS ALONG THE LEADING EDGE OF THE COMPLEX ARE CURRENTLY 25 TO 35 KTS. && .AVIATION... COMPLEX OF THUNDERSTORMS WITH STRONG WINDS AND HEAVY RAINFALL IN CENTRAL AND S CENTRAL IA WAS HOLDING TOGETHER...AND MAY IMPACT THE BRL TERMINAL BY MID AFTERNOON. THIS IS REFLECTED IN THE UPDATED FORECAST FOR BRL. THE POTENTIAL FOR CID IS MORE LIMITED AS THE SYSTEM SHOULD DISSIPATE MOVING INTO A RIDGE AND HAVE VC WORDING FOR NOW. EAST WINDS WILL INCREASE AHEAD OF THE APPROACHING THUNDERSTORMS AT ALL SITES THIS AFTERNOON...AND WITH THE PASSAGE OF STORMS...W-NW WINDS OF 20 TO 30 KTS ARE LIKELY. FOLLOWING THE STORMS...THERE IS A POTENTIAL FOR STRONG EASTERLY WINDS TO INCREASE TO 30KTS OR HIGHER FOR A PERIOD OF TIME. ANOTHER COMPLEX OF THUNDERSTORMS...WITH WIDESPREAD MVFR OR LOWER CONDITIONS IS ANTICIPATED FOR THE 04Z TO 12Z TIMEFRAME FOR OVERNIGHT. && .DVN WATCHES/WARNINGS/ADVISORIES... IA...NONE. IL...NONE. MO...NONE. && SHEETS
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE QUAD CITIES IA IL 434 AM CDT MON JUN 13 2011 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-140945- BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON- HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL- WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON- WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK- 434 AM CDT MON JUN 13 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST MISSOURI. .DAY ONE...TODAY AND TONIGHT THERE WILL BE A CHANCE OF THUNDERSTORMS SPREADING ACROSS PORTIONS OF THE OUTLOOK AREA TONIGHT...ESPECIALLY SOUTHWEST OF A LINE FROM CEDAR RAPIDS TO THE QUAD CITIES. MORE SUBSTANTIAL STORMS WILL BE POSSIBLE ALONG AND SOUTH OF A LINE FROM WASHINGTON IOWA...TO BURLINGTON AND MACOMB ILLINOIS. STORMS IN THESE AREAS WILL BE ABLE TO PRODUCE LOCALLY HEAVY RAINFALL AND POSSIBLY SOME LARGE HAIL. THE STORM PREDICTION CENTER HAS PLACED AREAS GENERALLY ALONG AND SOUTHWEST OF A LINE FROM WILLIAMSBURG IOWA...TO BURLINGTON...AND TO SOUTH OF MACOMB ILLINOIS IN A SLIGHT RISK OF SEVERE WEATHER TONIGHT. AREA RIVERS ARE EXPERIENCING FLOODING. PLEASE SEE THE LATEST FLOOD STATEMENTS AND FLOOD WARNINGS FOR DETAILS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY MORE SHOWERS AND THUNDERSTORMS ARE EXPECTED TUESDAY THROUGH WEDNESDAY NIGHT AS AN UPPER LEVEL LOW PRESSURE SYSTEM MOVES THROUGH THE UPPER MIDWEST. WE ARE MOST LIKELY TO GET PRECIPITATION IN THE OUTLOOK AREA TUESDAY NIGHT. WIDESPREAD SEVERE WEATHER IS NOT ANTICIPATED. THUNDERSTORMS ARE IN THE FORECAST FOR MUCH OF THURSDAY THROUGH SUNDAY. IT IS TOO SOON TO DETERMINE THE PROBABILITY FOR SEVERE STORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED IN PORTIONS OF SOUTHEAST IOWA AND NORTHEAST MISSOURI LATER TONIGHT.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
105 PM CDT MON JUN 13 2011
IAZ076-077-087-088-098-099-ILZ034-MOZ009-010-131900-
CLARK-HANCOCK-HENRY-JEFFERSON-KEOKUK-LEE-SCOTLAND-VAN
BUREN-WASHINGTON-
105 PM CDT MON JUN 13 2011
...THUNDERSTORMS WITH STRONG WINDS AND HEAVY RAINFALL MOVING INTO
NORTHEAST MISSOURI AND SOUTHEAST IOWA...
AT 1257 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM JUST WEST OF
OTTUMWA TO 6 MILES SOUTHWEST OF MEMPHIS...MOVING EAST AT 30 MPH. THE
STRONGEST STORM...CAPABLE OF PRODUCING PENNY SIZE HAIL AND VERY
HEAVY RAINFALL...WAS JUST WEST OF MEMPHIS AND MOVING NORTHEAST
AROUND 35 MPH.
THUNDERSTORMS WITH HEAVY RAINFALL...WIND GUSTS OF 30 TO 40 MPH...AND
POSSIBLY SMALL HAIL...WILL CONTINUE TO OVERSPREAD NORTHEAST MISSOURI
AND SOUTHEAST IOWA EARLY THIS AFTERNOON. BY 2 PM...THE LEADING EDGE
OF THE STORMS WILL LIKELY EXTEND FROM SIGOURNEY...THROUGH
FAIRFIELD TO KEOKUK.
IF YOU HEAR THUNDER, MOVE IMMEDIATELY TO A STURDY BUILDING OR CAR
UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD BE PREPARED FOR STRONG
GUSTY WINDS.
LAT...LON 4136 9241 4138 9187 4023 9138 4029 9196
4030 9196 4030 9228 4041 9236 4060 9236
4061 9219 4115 9219 4117 9242
TIME...MOT...LOC 1758Z 270DEG 28KT 4126 9287 4038 9221
SHEETSSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
146 PM CDT MON JUN 13 2011
IAZ063>065-067-076>078-087>089-098-099-ILZ015-024-025-034-MOZ009-010-
131945-
CEDAR-CLARK-DES
MOINES-HANCOCK-HENDERSON-HENRY-IOWA-JEFFERSON-JOHNSON-KEOKUK-LEE-
LOUISA-MERCER-MUSCATINE-ROCK ISLAND-SCOTLAND-VAN BUREN-WASHINGTON-
146 PM CDT MON JUN 13 2011
..THUNDERSTORMS WITH STRONG WINDS MOVING INTO SOUTHEAST IOWA AND
NORTHEAST MISSOURI...
AT 135 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR NORTH ENGLISH
SOUTH THROUGH FAIRFIELD...TO NEAR BLOOMFIELD...MOVING EAST AT 45 MPH.
WINDS UP TO 50 MPH...BRIEF HEAVY RAINFALL AND PEA SIZE HAIL CAN BE
EXPECTED WITH THESE STORMS ACROSS SOUTHEAST IOWA THIS AFTERNOON.
WINDS MAY INCREASE TO 30 TO 40 MPH AFTER THE STORMS PASS AND REMAIN
STRONG THROUGH MID AFTERNOON.
MOTORISTS SHOULD BE PREPARED FOR VERY STRONG WINDS AND HEAVY
RAINFALL. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS
PASSED.
LAT...LON 4046 9225 4061 9220 4061 9219 4078 9214
4124 9213 4180 9227 4159 9107 4110 9095
4066 9095 4022 9134
TIME...MOT...LOC 1839Z 270DEG 40KT 4179 9218 4124 9201
4078 9202 4055 9211
SHEETSPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
223 PM CDT MON JUN 13 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0215 PM TSTM WND GST MEMPHIS 40.46N 92.17W
06/13/2011 E45.00 MPH SCOTLAND MO PUBLIC
ESTIMATED WIND GUSTS 40-45 MPH.
0222 PM TSTM WND GST 5 E CANTRIL 40.64N 91.98W
06/13/2011 E50.00 MPH VAN BUREN IA TRAINED SPOTTER
WNW WINDS WITH HEAVY RAIN. NO HAIL.
&&
TOMOSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 318 PM CDT MON JUN 13 2011 IAZ040-041-051>053-063>068-076>078-087>089-098-099-ILZ015-024>026- 132230- BUCHANAN-DELAWARE-BENTON-LINN-JONES-IOWA-JOHNSON-CEDAR-CLINTON- MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-HENRY IA- DES MOINES-VAN BUREN-LEE-ROCK ISLAND-MERCER-HENDERSON-WARREN- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...VINTON... CEDAR RAPIDS...ANAMOSA...MARENGO...IOWA CITY...TIPTON...CLINTON... MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON... WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON...KEOSAUQUA.... FORT MADISON...MOLINE...ROCK ISLAND...ALEDO...OQUAWKA...MONMOUTH 318 PM CDT MON JUN 13 2011 ..STRONG WINDS MOVING INTO THE AREA WITH LIGHT RAIN... AN AREA OF RAIN TO THE NORTH OF SOME STRONG THUNDERSTORMS OVER FAR SOUTHEAST IOWA WILL CONTINUE THROUGH LATE AFTERNOON. AS THE LIGHT RAIN DIMINISHES...WINDS MAY INCREASE TO 30 TO 40 MPH...WITH GUSTS TO 50 MPH POSSIBLE. MOTORISTS SHOULD BE PREPARED FOR STRONG EAST WINDS. LOOSE OBJECTS MAY BE BLOWN AROUND BY THIS WIND...AND SMALL TREE LIMBS MAY BREAK. ERVIN
The national radar mosaic for the moment the first event began.
4 high wind. Local standard time, as filed.
A non-thunderstorm wind gust estimated to be 60 mph blew a tree down across 26th Avenue in Watkins, IA around 330 pm CDT June 13.
Wind gusts estimated to be 65 mph blew down a large tree limb at 305 E. Polk Street in Washington, IA during the afternoon of June 13. The tree limb fell onto two bicycles.
A non-thunderstorm wind gust estimated to be 65 mph destroyed the Affordable Metal Manufacturing warehouse located at 2340 Highway 1 SW Kalona, IA 52247 around 400 pm CDT June 13.
A non-thunderstorm wind gust estimated to be 60 mph blew a semi-truck over between mile marker 3 and 4 on Interstate 380 near Iowa City, IA around 415 pm CDT June 13.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Iowa in 2011Every state in 2011This day in weather historyWarnings in Iowa, June 2011
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 329348, 329339, 329333, 318476.