An intensifying low pressure system moved southeast across southern Minnesota into the lower Great Lakes.  As the storm passed Iowa, strong subsidence took place.  A tropospheric fold reached below 700 mb in the wake of the storm, enhancing the wind.  Strong winds were sustained above 40 MPH for several hours over much of the state for a period of a few hours.  Several locations reported gusts of 50 to over 60 MPH.  Trees were damaged over a large part of the state as well.  Some of the higher winds reported were 64 MPH at Glidden in Carroll County as well as at Rockwell City in Calhoun County.  Winds at the WFO in Johnston gusted to 63 MPH.  Sixty two MPH winds were reported at Farnhamville in Calhoun County as well as in Prairie City in Jasper County.  There were too many locations to list here with winds of 58 to 61 MPH.  Significant damage occurred in West Des Moines.  Two full roofs and one partial roof off commercial buildings in the Valley Junction district of West Des Moines.  Property damage estimated at up to $250,000.  Numerous reports of power lines down, tree damage and power outages (at least 9000 customers without power in Des Moines.  Johnston, a suburb of Des Moines also lost power).  Overall, MidAmerica Energy reported that at one point they had 20,000 customers without electricity.  Two reports of semi-trucks overturned, but unsure if these are weather related. In north central Iowa, a semi-tractortrailer was overturned near the town of Thornton.  The driver received minor injuries and was taken to hospital, treated, and released. In Polk County, a 74 year old Des Moines woman was injured when the wind pulled her out of her house as she was exiting.  She suffered shoulder and leg injuries.  They were minor and she was treated and released.

High Wind in GRUNDY, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in HANCOCK, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in BREMER, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in HARDIN, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in PALO ALTO, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in HUMBOLDT, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in CLARKE, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in FRANKLIN, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 MG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in ADAMS, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in WARREN, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in TAMA, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in WINNEBAGO, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in MAHASKA, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in POLK, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 MG
Property damage: 300K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in POCAHONTAS, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in STORY, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 53 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in BOONE, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 MG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in UNION, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 52 MG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in BLACK HAWK, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in MARSHALL, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in WEBSTER, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in MADISON, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in GREENE, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in JASPER, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 54 MG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in MARION, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in ADAIR, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 52 MG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in WRIGHT, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 51 MG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in SAC, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in HAMILTON, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in AUDUBON, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 MG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in CERRO GORDO, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 150K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in CRAWFORD, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in EMMET, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in CARROLL, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 55 MG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in WAPELLO, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in LUCAS, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in WORTH, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in GUTHRIE, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 52 MG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in DALLAS, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 52 MG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in POWESHIEK, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 52 MG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in CASS, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in MONROE, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in BUTLER, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in CALHOUN, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 52 MG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

High Wind in KOSSUTH, IOWA
From 12-NOV-03 09:00:00 to 12-NOV-03 17:00:00 (CST)
Magnitude: 50 EG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC